CYCLO® Drive
Small Frame Size (6060 - 6125)
SK series《CAUTION》■ These Products should be handled, installed and maintained by trained technicians.
Carefully read the maintenance manual before use.
■ A copy of this maintenance manual should be sent to the actual user.
■ This maintenance manual should be kept by the user for future reference.

Maintenance Manual

No. CM2002E-7

Introduction: Safety Precautions-- C arefully read this maintenance manual and all accompanying documents before use (installation,
operation, maintenance, inspection, etc.). Thoroughly understand the machine, information about
safety, and all precautions for correct operation.
After reading, retain this manual for future reference.
-- Pay close attention to the “DANGER” and “CAUTION” warnings regarding safety and proper use.

handling may result in physical damage, serious personal injury and /DANGER Improperor death.

CAUTION Improper handling may result in physical damage and/ or personal injury.
Matters described in

CAUTION may lead to serious danger depending on the situation.

Be sure to observe important matters described herein.

DANGER-- Transport, installation, plumbing, wiring, operation, maintenance, and inspections shouldbe performed by trained technicians; otherwise, electric shock, injury, fire, or damage to theequipment may result.
-- In the case of disassembly, assembly or overhaul of this device, contact the nearest authorized
service station.
-- When using the equipment in conjunction with explosion proof motor , a technician withelectrical expertise should supervise the transport, installation, plumbing, wiring, operation,
maintenance and inspection of the equipment, so as to avoid a potentially hazardous
situation that may result in electrical shock, fire, explosion, personal injury and/or damage tothe equipment.
-- When the unit is to be used in a system for human transport, a protecting device for humansafety should be installed to prevent accidents resulting in personal injury, death, or damage
to the equipment due to running out of control or falling.
-- When the unit is to be used for an elevator or lifter, install a safety protecting device on theelevator side to prevent falling; otherwise, personal injury, death, or damage to the equipment
may result.

1Introduction: How to Refer to the Maintenance Manual, Table of Contents
This maintenance manual is common for “gearmotors”, “reducers”.
The symbols shown below appear in the upper right or left corner of each page to indicate the classification. Please read the applicable pages.
On Common pages, symbols identify distinctions between specific specifications.

Specifications

All Specifications
Are Common

SymbolCommonGearmotor
Without brake

With brake

ReducerContents
Introduction: Safety Precautions … ………………………………………………………………… 1
Introduction: Reading the Maintenance Manual, Table of Contents … ………………………… 2
1. Inspection Upon Delivery … ……………………………………………………………………… 3
2. Storage ……………………………………………………………………………………………… 7
3. Transport … ………………………………………………………………………………………… 8
4. Installation … ……………………………………………………………………………………… 9
5. Coupling with Other Machines … ………………………………………………………………… 13
6. Wiring … …………………………………………………………………………………………… 15
7. Operation …………………………………………………………………………………………… 27
8. Daily Inspection and Maintenance … …………………………………………………………… 29
9. Troubleshooting … ………………………………………………………………………………… 46
10. Construction Drawings …………………………………………………………………………… 48
11. Warranty …………………………………………………………………………………………… 52

2

1. Inspection upon Delivery Common
CAUTION-- Unpack the unit after verifying that it is positioned right side up; otherwise, injury may result.
-- Verify that the unit received is in fact the one you ordered. Installing the wrong unit may resultin personal injury or equipment damage.
-- Do not remove the nameplate

Verify the items listed below upon receiving the product. If a nonconformity or problem is found, pleasecontact with your nearest agent, distributor, or sales office.
[1] Does the information on the nameplate conform to what you ordered?
[2] Was any part broken during transport?
[3] Are all bolts and nuts tightened firmly?

1-1 Reading the Nameplates
There are two main types of nameplates: type 1 and type 2. Representative examples are shown below.
Please observe them by type.
When contacting the company, please provide [1] Gearmotor or reducer nomenclature, [2] Reduction
ratio, and [3] Serial number.

(1) For gearmotor■ Nameplate Type 1: Gear Unit and Motor Unit Are Combined.

R[1] Gearmotor nomenclature(See P5)[2] Reduction Ratio- Motor capacity- Motor characteristics- Brake current value
for motor with brake[3] Serial number

MODEL
RATIO
kW
VOLTS
Hz
M.AMP
r/min
B.AMP
SERIAL NO.

- Service factor

SF
P

OUTPUT RATING
φ TYPEN •m
FRAME
M/B INS.CLASSTIME RATING
B.TORQUE
JISC4004

N •m

JAPAN

Figure 1-1 Gearmotor nameplate (type 1)

R

MODEL
R AT I OSERVICE FACTORINPUTOUTPUT TORQUE

3
kW

N •m

r/min

- Motor nomenclature (see P6)- Brake typefor motor with brake (see P6)- Motor frame size
- Brake torquefor motor with brake

JAPAN

Common 1. Inspection upon Delivery■ Nameplate Type 2: Separate Nameplates for Gear Unit and Motor Unit.
- Motor capacity- Motor characteristics- Motor nomenclature (see P6)[1] Gearmotor nomenclature(See P5)[2] Reduction Ratio-

Service factor-

Input capacity, speed-

Allowable output
torque- Brake typeR

for motor with brake (see P6)

MODEL
R AT I OSERVICE FACTORINPUTOUTPUT TORQUES E R I AMODEL
L NO.

- Motor frame size
kW

N •m

r / m Ri n

- Brake torquefor motor with brake

R AT I OSERVICE FACTORINPUTOUTPUT TORQUES E R I A L NO.

[3] Serial number

J A PA N[3] Serial number

kW

N •m

r / m i-n Brake current value

for motor with brake(Gear unit nameplate)(Motor unit nameplate)

J A PA N

Figure 1-2 Gearmotor nameplate (type 2)

R(2) For reducer[1] Reducer Nomenclature

JAPAN

MODEL
RATIO
INPUT
OUTPUT RATING(See P5)[2] Reduction Ratio- Input capacity, speed

R

SF

kW
N •m SERIAL NO.

r/min

JAPAN

MODEL
RATIO
INPUT
OUTPUT RATINGkW
N •m SERIAL NO.

SF

r/min

- Allowable output torque- Service factor[3] Serial number

Figure 1-3 Reducer nameplate (type 1)

1-2 Lubrication Method
Frame size 6060 to 6125 and SK series of CYCLO Drive adopt grease lubrication so that grease is
enclosed when shipped from the factory, lubrication is not needed.

41. Inspection upon Delivery Common
1-3 Gearmotor, Reducer Nomenclature
Symbol meanings are shown below. Please confirm that the nomenclature matches the order.

C N H MC

1Model Symbol
CYCLO DriveCYCLO Drive SK series

6105

Special Specification
Standard
Blank
Specification
SpecialS
Specification

Reduction ratio
ActualCYCLO Drive
reduction ratio
Nominal ratio CYCLO Drive SK series
SuffixBlankNote)1 With 3-phase motor
EP
With Premium-Efficiency, 3-Phase Motor
AV
With AF Motor for Inverter
With Premium-efficiency, 3-phase motor forAPinverterES
With High-efficiency, 3-phase motor
SVNote)2 With servo motor
LB
Low backlash
VariousMotor flange code
codes
Note: 1. Only for gearmotor
2. This suffix is used CYCLO Drive for servo motorthat is used for servo motors of special type or
prepared by customers.

Mounting style
H FootF Flange
V V-Flange

Frame Size
SecondStage(Output
Stage)
6060DA
6060
6065DA
6065
6070DA
6070
6075DA
6075

Type of Input
Reducer

M
Blank
XM

JM

X

J

SingleReduction

Gearmotor(motor directly connected)
Reducer(free shaft)With motor flange(high speed shaft, hollow
connector)
With motor flange(With adapter, connected bycoupling)

6060
6065
6070
6075
6080
6085
6090
6095
6100
6105
610H
6110
6115

6090DA
6095DA
6100DA
6105DA-

6125

Input Capacity Symbol (Gearmotor)
4
P

02

1

1H

2

3

4

5

8

0.1
0.2 0.25 0.4 0.55 0.75(1/8) (1/4) (1/3) (1/2) (3/4) (1)

03

05

08

1.1
(1.5)

1.5
(2)

2.2
(3)

3.0
(4)

3.7
(5)

5.5
(8)

5

+
+
+
+

First
Stage
(InputStage)
6060
6065
6065
6065

6090
6095
6100
6105

+
+
+
+
-

6120
6120
6125
6125

+
+
+
+
-

6120DA
6120DB
6125DA
6125DB-

612H

01

Frame Size

DoubleReduction

6120

Capacity
symbolkW(HP)

51With or Without Brake
Blank Without brake
B
With brake

Slow Speed Shaft Direction
H Horizontal. Slow speed shaft level
V Vertical. Slow speed shaft down
W Inverse Vertical. Slow speed shaft up
N Universal mounting

Gearmotor

EP B

6075
6075
6075
6075

6075
6095
6075
6095

SK series

6070SK
6075SK
6080SK
6085SK
6090SK
6095SK
6100SK
6105SK
6110SK
6115SK1. Inspection upon Delivery
1-4 Motor Nomenclature
Symbol meanings are shown below. Please confirm that the nomenclature matches the order.
When used with a servo motor, vector motor, or other manufacturer’s motor, see the relevant
operation manual.

T

C

E

X
Support for standards and regulations
P Premium-efficiency motor

High-efficiency motor(IEC standard)
Blank Motor other than above
E

Power source for drive

Inverter drive (motor for inverter)
Blank Commercial power driven
V

T

Type of Sheath
Totally enclosed

C
K

Explosion Proof, Protection Type

Rotor Symbol
Normal box
Special box
Cooling TypeF
E

Increased safety explosion proof, indoor type
B Increased safety explosion proof, outdoor typeC Indoor flameproof
CX Outdoor flameproof
X Outdoor type (non-explosion proof )Blank Indoor type (non-explosion proof )AWith self-ventilating fan(external fan)
Fanless (self-cooling)

1-5 Brake Type
Table 1-1 shows the relationship between standard brake type and motor type and capacity range.
Table 1-1 Brakes
Motor Capacity (kW)Brake type3-phase motor

PremiumEfficiency,
3-Phase Motor

AF Motor for
Inverter

FB-01A1
FB-02A1
FB-05A1
FB-1D
FB-1E
FB-1HE
FB-2E
FB-3E
FB-4E
FB-5E
FB-8E

4P
0.1
0.2 0.25
0.4
0.55
-

4P
0.75
1.1
1.5
2.2
3.0
3.7
5.5

4P
0.1
0.2
0.4
-

Premiumefficiency,
3-phase motor
for inverter
4P
0.75
1.5
2.2
3.7
5.5

High-efficiency,
3-phase motor
4P
0.2
0.4
-

Note: Depending on the specification, brake type may differ from the types shown in Table 1-1. Check thenameplate.

62. Storage Common
If this product is not for immediate use, note the following points when storing it.

2-1 Storage Location
Store the product indoors in a clean, dry location.
Do not store outdoors. Store in a location that is free of moisture, dust, extreme temperature changes,
corrosive gases, etc.

2-2 Storage Time- The storage time should be within one year.
- If the storage time exceeds one year, adherence to special rust prevention specifications is required.
Please consult with us.
- If for export, adherence to export rust prevention specifications is required. Please consult with us.
- Standard rust prevention specifications
External rust prevention Rust prevention oil is applied when shipping from the factory. Check rustconditions every six months after shipment. Reapply the rust prevention
process, if necessary.
Internal rust prevention S tore in an ordinary factory or warehouse in an environment free ofmoisture, dust, extreme temperature changes, corrosive gases, etc.

2-3 Using after Storage- Oil seals are affected by temperature, ultraviolet light and other ambient conditions and can easily
degrade. After long storage periods, inspect before operation, and replace any degraded seals with newseals.
- At startup, check that there are no unusual noises, vibrations, temperature rises, or other symptoms. For
motor with brakes, check that brakes work properly. If any abnormalities are found, immediately contact
the nearest authorized service station.

7

Common 3. Transportation
DANGER-- Do not stand directly under a unit suspended by a crane or other lifting mechanism;
otherwise, injury, or death may result.

CAUTION-- Exercise ample care so as not to drop the unit. When a hanging bolt or hole is provided, besure to use it. After mounting a unit to a machine, do not hoist the entire machine using thehanging bolt or hole; otherwise, personal injury or damage to the equipment and/ or lifting
device may result.
-- Before hoisting, refer to the rating plate, crate, outline drawing, catalog, etc. for the weightof the unit. Never hoist a unit that exceeds the rating of the crane or other mechanism being
used to lift it; otherwise, personal injury or damage to the equipment and/ or lifting device
may result.

8

4. Installation Common
DANGER-- Do not use a standard unit in an explosive atmosphere (which is likely to be filled with
explosive gas or steam). Under such conditions, an explosion proof motor should be used;otherwise, electric shock, personal injury, explosion fire, or damage to the equipment may
result.
-- In the case of an Explosion proof motor , use a motor that has specifications that areappropriate for a dangerous location (a location where gas or volatile vapor is present);otherwise explosion, ignition, electric shock, injury, fire, or equipment damage may result.
-- Since the inverter itself is not explosion proof, when a flameproof motor is driven by an inverter
install an inverter in a place free from explosive gas; otherwise, electric shock, personal injury,
explosion fire, or damage to the equipment may result.

CAUTION-- Do not use the products for purposes other than those shown on the nameplate or in the
manufacturing specifications; otherwise, electric shock, personal injury, or damage to theequipment may result.
-- Do not place flammable objects around the products; otherwise, fire may result.
-- Do not place any object around the products that will hinder ventilation. Insufficientventilation can cause excessive heat build-up that may result in burns or fire.
-- Do not step on or hang from the products; otherwise injury may result.
-- Do not touch the shaft end of the products, inside keyways, or the edge of the motor cooling
fan with bare hands; otherwise, injury may result.
-- When the unit is used in food processing applications, machines for cleanroom and so on,vulnerable to oil contamination, install an oil pan or other such device to cope with oil leakage
due to breakdown or failure; otherwise, oil leakage may damage products.

4-1 Installation Location
Ambient temperature:
Ambient humidity:
Altitude:Atmosphere:
Installation location:−10 to +40℃
Maximum 85％
Maximum 1,000 m
No corrosive or volatile gases, no steam
Dust-free, well-ventilated area.
Indoor type: Indoors (area with minimal dust, no contact with water)
Outdoor type: Indoors or outdoors (area with little contact with rain water)
Vibration:
Maximum 1G- Mounting in conditions other than the above requires adherence to optional specifications. Please
consult with us.
- Drives built to specifications, such as explosion proofing, can be used in the specified mounting
environments. However, concerning the connector to the machine used, implement measures basedon the mounting environment.
- Mount in a location that enables easy operation, such as inspection and maintenance.
- Mount on a sufficiently rigid base.

9

Common 4. Installation
4-2 Mounting Angle
Table 4-1 Mounting Angle
CYCLO DriveFree

CYCLO Drive SK
seriesSlow speed shaft is horizontal or vertical (depends on nomenclature. See P5.
Please consult with us for inclined mounting).

For machines built to a specified mounting angle, only use the specified mounting angle.
Do not remove the motor’s eye-bolt. In the rare case that it is removed, insert a bolt or other appropriate material into the screw hole to prevent water or other substances from entering the motor
through the screw hole.

4-3 When Load Condition Is Critical
In cases of extreme vibration or frequent startup, it is recommended to knock the foot unit, and use amounting bolt of at least class 8.8 (JIS B 1051) strength.

104-4 Keyless Shaft Motor Assembly Issues (Hollow Connection High Speed Shaft
for Servo Motor)[1]	R emove oil, dirt, and other contaminants from the motor shaft and inside of the CYCLO Drive
high speed shaft. (The inner surface of the high speed shaft is treated with rust prevention oil before
shipping.)[2]	Position the reducer on a platform so that the slow speed shaft is on the bottom.
[3]	Align the high speed shaft with the notch on the clamp ring.
[4]	Remove the adapter plate cap and insert a hexagonal wrench through the setting hole into thehexagon socket head bolt in the clamp ring. Next, insert the motor shaft into the high speed shaft.
[5]	When assembling the motor and CYCLO Drive, make sure that the centers of both shafts are aligned.
Do not force the assembly if the shafts are slanted or misaligned.
[6]	Fasten the motor and adapter plate using the motor mounting bolt. Tighten after confirming that the
motor fitting is securely inserted into the adapter plate fitting. Important: If the bolt is tightened when
the fitting is not inserted, uneven tightening will result, causing damage to the internal bearing andother components.
[7]	Tighten the clamp ring hexagon socket head bolt to the torque shown in Table 4-2.
[8]	After operating at slow speed, increase the tightening torque as shown in Table 4-2.
[9]	Attach the adapter plate cap that had been removed.
Table 4-2 Tightening torque for the clamp ring hexagon socket head bolt
Bolt size

M4

M5

M6

M8

M10

M12

Tightening Torque (N·m)

4.3

5.5

9.6

23

46

79

Motor

Clamp ringCap

High speed shaft

Figure 4-1 Assembly Diagram11

4. Installation
4-5 Keyed Shaft Motor Assembly Issues (Hollow Connection High Speed Shaft for Servo Motoror General Flange Motor)[1]	Remove oil, dirt, and other contaminants from the motor shaft and inside of the CYCLO Drive highspeed shaft. (The inner surface of the high speed shaft is treated with rust prevention oil before
shipping.)[2]	Align the motor shaft key with the high speed hollow shaft keyway.
(Keyway dimensions conform to JIS B 1301-1996 (ISO) “Keys and Their Corresponding Keyways: Parallelkeys (Normal Type)”).
[3] Coat the motor shaft with molybdenum disulfide grease to prevent fretting.
[4]	Depending on the motor combination, a spacer for preventing the key from falling out may be ina separate shipment. Before assembly, insert the spacer deep into the hole in the high speed shaft.
Operation with uninserted spacer could result in the key falling out and damaging the shaft.
[5]	When assembling the motor and CYCLO Drive, make sure that the centers of both shafts are aligned.
Do not force the assembly if the shafts are slanted or misaligned or if the key is only partially engaged.
[6]	Fasten the motor and adapter plate (internal cover) using the motor mounting bolt. Tighten after
confirming that the motor fitting is securely inserted into the adapter plate (internal cover) fitting.
Important: If the bolt is tightened when the fitting is not inserted, uneven tightening will result,causing damage to the internal bearing and other components.

125. Coupling with Other Machines Common
CAUTION-- Confirm the rotation direction before coupling the unit with the driven machine. Incorrect
rotation direction may cause personal injury or damage to the equipment.
-- When operating the product alone (uncoupled), remove the key that is temporarily attachedto the low speed shaft; otherwise the key could fly off, and injury may result.
-- Cover rotating parts so as not to be touched; otherwise, injury may result.
-- When coupling the product with a load, check that the centering, the belt tension andparallelism of the pulleys are within the specified limits. When the unit is directly coupled withanother machine, check that the direct coupling accuracy is within the specified limits. Whena belt is used for coupling the unit with another machine, check the belt tension. Correctly
tighten bolts on the pulley and coupling before operation; otherwise, injury may result
because of misalignment.

5-1 Checking Rotational Direction(1) For gearmotor
Table 5-1 shows the direction of slow speed shaft rotation when wiring is performed as on P18 - 25.
Table 5-1 Slow Speed Shaft Rotation Direction (Gearmotor)
When wiring is performed as shown on P18 - 25, the motor shaft rotates to the right as seenfrom the anti-load side.
In the following diagrams, arrows show the direction of slow speed shaft rotation in this case.
Gear Unit Construction

Single Reduction

Double Reduction TypeSK series

Slow speed shaft
Rotation direction(Seen from load side)

Note: To cause reverse rotation, reverse R and T on P18 and P20 - 23.

(2) For reducer
Table 5-2 Slow Speed Shaft Rotation Direction (Reducer)
Gear Unit Construction

Single Reduction

Double Reduction TypeSK series

Slow speed shaft
Rotation direction

Rotates in opposite direction as
the high speed shaft.

Rotates in same direction as
the high speed shaft.

Note: For the SK series, “SK” is appended to frame sizes.

13Common 5. Coupling with Other Machines
5-2 Attachment of Connecting Equipment- When attaching connecting equipment, do not apply impact or excessive axial load to the shaft. The
bearing could be damaged, or the collar could come off.
- Shrinkage fit is recommend.

(1) When using a coupling
The alignment accuracy (A, B, X) in figure 5-1 should be no greater than that shown in Table 5-3.

B

A
X

X

Figure 5-1

Table 5-3	Alignment Precision for Flexible
Coupling
Allowable
tolerance A

0.1mm ormanufacturerspecified value

Allowable
tolerance B

0.1mm ormanufacturerspecified valueX

manufacturerspecified value(2) When using chains, sprockets, or gears- When using a chain, attach so that the chain tension angle is perpendicular to the shaft.
- Refer to the chain catalog or other reference for chain tension.
- Select a sprocket or gear pitch diameter that is at least three times the shaft diameter.
- The working load point of the sprocket or gear should go from the center of the shaft to this product.
(See Figure 5-2)

(3) When using a V belt
-	Over-tightening the V belt will damage the shaft and bearing. Refer to the V belt catalog or otherreference for V belt tension.
- The parallelism, eccentricity β of the two pulleys should be within 20´. (See Figure 5-3)
- When using multiple V belts, use a matched set having the same length.

Connected equipment

This product

β
Shaft

β

Figure 5-2

Figure 5-3

146. Wiring
When using a servo motor, vector motor, or other manufacturer’s motor, etc., follow the operation
manual for that motor.
This manual shows wiring for motors with Japanese standard specifications. Please consult with us formotors with overseas specifications.

DANGER-- Do not handle the unit when cables are live. Be sure to turn off the power; otherwise, electric
shock may result.
-- Connect a power cable to the unit according to the diagram shown inside the terminal box orin the maintenance manual; otherwise, electric shock or fire may result.
-- Do not forcibly bend, pull, or clamp the power cable and lead wires; otherwise, electric shockor fire may result.
-- Correctly ground the grounding bolt; otherwise, electric shock may result.
-- The lead-in condition of an explosion proof motor shall conform to the facility’s electricalcodes, extension regulations and explosion-proofing guide, as well as the maintenancemanual; otherwise, electric shock, personal injury, explosion, fire or damage to the equipment
may result.

CAUTION-- When wiring, follow the facility’s electrical codes and extension regulations; otherwise,burning, electric shock, injury, or fire may result.
-- The motor is not equipped with a protection device. However, it is compulsory to install anoverload protector according to facility electrical codes. It is recommended to install otherprotective devices (earth leakage breaker, etc.), in addition to an overload protector, in orderto prevent burning, electric shock, injury, and fire.
-- Never touch the terminals when measuring insulation resistance; otherwise, electric shock
may result.
-- When using a star-delta starter select one with an electromagnetic switch on the primaryside (3-contact point type); otherwise, fire may result.
-- Voltage PWM inverters that use IGBT generate high-voltage surges at the motor terminals,
which may degrade the insulation on the motor windings. In particular, if for example using a
400V class with long cables, a surge in excess of 1300V could be generated. Because of the thefollowing measures are required.
-- Install an LCR filter or and AC reactor between the inverter and the motor-- Enhance motor winding insulation-- When using a motor with brake , do not turn on connection power to the brake coil when the
motor is stopped. Otherwise coil burnout fire, may result. Also, mistaken wiring could damage
the rectifier.
-- When a explosion proof motor is driven by an inverter , use one inverter for one motor. Use
the approved inverter for the motor.
-- When measuring the insulation resistance of a explosion proof motor , confirm that there is
no gas or explosive vapor in the vicinity, in order to prevent possible explosion or ignition.
-- If ambient temperature exceeds 60℃ , place the rectifier in a location where the temperature
is 60℃ or less. In this case, always protect the entire rectifier with a cover. However,standard ambient temperature conditions for units with and without brakes is −10 to 40℃ .
(Manufacture to special specification is required for operation in an environment where
ambient temperature exceeds 40℃ .)-- Long cables cause large voltage drops. Select cables with appropriate diameter so that thevoltage drop will no greater than 2%.
-- After wiring outdoor types and explosion proof types , check that terminal box mounting
bolts are not loose, and correctly attach the terminal box cover.

15

6. Wiring
6-1 Removing and Attaching the Resin Terminal Box Cover
3-phase motor 4P: 0.1–0.4kW, high-efficiency, 3-phase motor 4P: 0.2kW, AF motor for inverter 4P: 0.1–0.2kW(1) Removal
As shown in figure 6-1, to remove the cover, grab the sides of theterminal box, and pull it toward you.

(2) Attachment
Push the terminal box cover from above the terminal box caseuntil a click is heard.

Figure 6-1

6-2 Measuring Insulation Resistance
When measuring insulation resistance, always disconnect the control panel and measure the motor alone.
Measure insulation resistance before wiring. Insulation resistance (R) is changed by a number of factors,
including motor output, voltage, type of insulation, winding temperature, moisture, degree of fouling, timeused, and amount of time test voltage is applied. However, normally, it must be above the values in Table 6-1.
Table 6-1 Values for Insulation ResistanceMotor voltage
Megohmmeter Voltage Insulation Resistance (R)Low-voltage electricmotors of no more than
500V
Minimum 1 MΩ600V
Reference: JEC -2100 contains the following equation:
Rated Voltage (V)R ≧ 		
Rated output power (kW) + 1,000
R≧

Rated Voltage (V) + (r/min/3)
Rated output power (kW) + 2,000(MΩ)+ 0.5 (MΩ)

Low insulation resistance is a sign that there is an insulation failure. Do not apply power. Consult an
accredited service station.

6-3 Coordination of System Protection- Use a wiring breaker for short circuit proofing.
-	Use an overload protection device designed to handle currents that exceed the rated current on the
nameplate.
-	For increased safety, explosion proof motors, use an overload protection device capable of protecting
the locked rotor current on the nameplate within the allowable locking time.

6-4 Connecting the Power Cable.
Connect the power cable and motor lead wire by clasping in apressure connection terminal as shown in Figure 6-2.

16Power source cable
Insulating tape
Motor lead wire

Fig. 11 6-2
Figure6. Wiring
6-5 Motor Wiring
Shows the pages for motor wiring diagrams.
Table 6-2 Without Brake
Page
Direct Input
from
Inverter Drive
Commercial

Number of
Poles

Capacity (kW)

Number oflead wires

4P
4/8P

0.1 - 0.55
All

3
6

Power Source
P18
P18

P19
-

4P

0.1 - 5.5

3

P18

-

4P

0.1 - 5.5

3

P18

-

4P

0.75 - 3.7
5.5

3
6

P18

P19

Standard

4P

0.1 - 0.4

3

-

P19

Flameproof

4P

0.2 - 5.5

3

-

P19

Premium-efficiency,
3-phase motor for inverter

4P

0.75 - 3.7
5.5

3
6

-

P19

High-efficiency, 3-phase
motor

4P

0.2 - 0.4

3

P18

P19

Motor type

Number of
Poles

Capacity (kW)Brake type

Number oflead wires

OneDirection
Rotation

Page
BothDirection
Rotation

3-phase motor

4P

P20

P22

P24

4P

FB-01A1
FB-02A1
FB-05A1
FB-1D
FB-1E
FB-1HE
FB-2E
FB-3E
FB-4E
FB-5E
FB-8E
FB-02A1
FB-05A1
FB-1D
FB-1E
FB-2E
FB-3E
FB-5E
FB-8E
FB-05A1
FB-1D

5

Premium-Efficiency,
3-Phase Motor

0.1
0.2 0.25
0.4
0.55
0.75
1.1
1.5
2.2
3.0
3.7
5.5
0.1
0.2
0.4
0.75
1.5
2.2
3.7
5.5
0.2
0.4

5

P20

P22

P24

8

P21

P23

P25

5

-

-

P24

-

-

Motor type

Standard
3-phasemotor

Increasedsafety, explosion proof
Flameproof

Premium-Efficiency,
3-Phase Motor
AF motor for
inverterTable 6-3 With Brake

AF motor for inverter

4P

Premium-efficiency,
3-phase motor for inverter

4P

High-efficiency, 3-phase
motor

4P

5
8
5

Inverter
Drive

P24
P25

P20

P22

P24

Note: 1. Brake type may differ depending on specification. Check the nameplate.
2. For motors with standard Japanese domestic specifications. Please consult with us for motors withoverseas specifications.

17

6. Wiring
Shows motor wiring and standard specification for terminals and lead wires that are indicated by symbols.

■ Without brake.

3-phase power source

3-phase motor
Premium-Efficiency, 3-Phase Motor
High-efficiency, 3-phase motor
6 Lead Wires ( ‒Δ Starting)

3 Lead Wires
S

T

R

S

When
acceleration iscompleted
Δ wiring

OLR

MC

U1

S

W1 V2

W2 U2

Motor

4/8P two speed, Single wound rotor(constant torque)

6 lead Wires (direct on-line starting)
R

V1

R

T

S

MCL
MCH1
MCH2
When at high MCL
MCH1
speed (4P)
MCH2When at low
speed (8P)

T

MC

W1
U2

OLR

MCH2

1U

1V

1W 2U

2V

2W

Motor

MC: Electromagnetic contactor
OLR: Overload protection device or electronic thermal relay

Motor(Terminal
box)

V1

W2
V2
Motor

MCH1

OLR

Motor
(Terminal
box)

U1

MCL

ON
OFF
OFF
OFF
ON
ON

Control Panel

Control Panel

OLR

Motor
(Terminal
box)

Motor

Control Panel

MC

Motor
(Terminal
box)

U V W

ON
OFF
ON
ON
ON
OFF

MCΔ

MCM

Control Panel

OLR

MCM
MCΔ
MC
MCM
MCΔ
MC

At start
WiringT

Y

R

Customer to prepare.

-	This diagram shows cases for motors with standard Japanese domestic specifications. Please consult
with us for motors with overseas specifications.

18

6. Wiring■ Without brake.

Inverter drive

3-phase motor
Premium-Efficiency, 3-Phase Motor
AF Motor for Inverter
Premium-efficiency, 3-phase motor for inverter
High-efficiency, 3-phase motor
3 Lead Wires
RS

6 Lead Wires

T

R

MCB

S

T

MCB

Motor

W

U1 V1 W1V2 W2 U2
Motor

Motor
(Terminal
box)

V

Motor
(Terminal
box)

U

R S T
InverterU V W

Control Panel

Control PanelR S T
InverterU V W

MCB: Breaker for wiring - Customer to prepare.
-	This diagram shows cases for motors with standard Japanese domestic specifications. Please consult
with us for motors with overseas specifications.
-	When inverter-driving a 400V class 3-phase motor or a 400V class high-efficiency, 3-phase motor,
measures must be taken with motor insulation.

19

6. Wiring■ With brake. 3-phase power source. Operates rotating in one direction.
3-phase motor
Premium-Efficiency, 3-Phase Motor
High-efficiency, 3-phase motor
FB-01A1 – 05A1

FB-1D, FB-1E – 5E
5 Lead Wires

R

S

T

R

OLR

S

2
4
Rectifier

M N
Brake

U V W
Motor

T

R

VR

OLR

M N
Brake

MC: Electromagnetic contactor
OLR: Overload protection device or electronic thermal relay
VR:
Varistor (for protecting contact points, rectifier, etc.)

2 3 4
Rectifier

M N
Brake

T

MC

VR

OLR

U

V
W
Motor

1 2 3 4
Rectifier

M N
Brake

Motor
(Terminal box)

1 2
4
RectifierMotor(Terminal box)

V
W
Motor

S

1

Control Panel

Control Panel

Quick braking circuit

MC

U

OLR

Motor
(Terminal box)

R

1

MC

Motor
(Terminal box)

U V W
Motor

T

Control Panel

Control Panel

Normal braking circuit

MCS

Customer to prepare.

- This diagram shows cases for motors with standard Japanese domestic specifications. Please consult
with us for motors with overseas specifications.
- For brake types, see Table 1-1 on P6.
- Brake action delay time is different between normal and quick braking circuits.
Table 7-2 on P28 shows action delay time. Choose the circuit that matches work requirements.
- Use a quick braking circuit to improve hoisting equipment and stopping precision.
- Use a quick braking circuit when a phase-advancing capacitor is mounted.
- For information on electromagnetic contactors and varistors for quick braking circuits, see Table 6-4 on P26.
- For quick braking-circuits, gang the brake circuit’s electromagnetic contactor to the motor’s
electromagnetic contactor.

20

6. Wiring■ With brake.

3-phase power source.

Operates rotating in one direction.

Premium-Efficiency, 3-Phase Motor
FB-8E
8 Lead Wires‒Δ Starting

Direct on-line starting

MCM
MCΔ
MC
When
MCM
acceleration is MCΔ
MCcompleted
Δ wiring

R S T

At start
Wiring

MC

MC

Y
M N

RectifierBrake

At start
WiringR S TWhen acceleration is completed
Δ wiring

MC

ON
OFF
ON
ON
ON
OFF

V1
W2

Motor

R

W1
U2

S

MC Δ

MC

VR

1 2

3 4

Rectifier

M N

Brake

MC: Electromagnetic contactor
OLR: Overload protection device or electronic thermal relay
VR:
Varistor (for protecting contact points, rectifier, etc.)

V1

U1
V2

W2

Motor

W1
U2

1 2

3

4

Rectifier

M N

Brake

Motor
(Terminal
box)

Motor

Motor
(Terminalbox)

U1 V1 W1 V2 W2 U2Control Panel

MC

M N

Brake

OLR

Y

MC M

4

Rectifier

T

MC
VR

1 2 3

Control Panel

Quick braking circuit

OL R

MCM
MCΔ
MC
MCM
MCΔ
MC

U1
V2

Motor
(Terminal
box)

Motor

T

Control Panel

1 2 3 4U1 V1 W1 V2 W2 U2

S

OLR

MC Δ

MC

R

Control Panel

MC M

Motor
(Terminalbox)

Normal braking circuit

OLR

ON
OFF
ON
ON
ON
OFF

Customer to prepare.

-	This diagram shows cases for motors with standard Japanese domestic specifications. Please consult
with us for motors with overseas specifications.
- For brake types, see Table 1-1 on P6.
- Brake action delay time is different between normal and quick braking circuits.
Table 7-2 on P28 shows action delay time. Choose the circuit that matches work requirements.
- Use a quick braking circuit to improve hoisting equipment and stopping precision.
- Use a quick braking circuit when a phase-advancing capacitor is mounted.
- For information on electromagnetic contactors and varistors for quick braking circuits, see Table 6-4 on P26.
- For quick braking-circuits, gang the brake circuit’s electromagnetic contactor to the motor’s
electromagnetic contactor.

21

6. Wiring■ With brake. 3-phase power source.

Both-direction operation

3-phase motor
Premium-Efficiency, 3-Phase Motor
High-efficiency, 3-phase motor
FB-01A1 – 05A1

FB-1D, FB-1E – 5E
5 Lead Wires
R S T

R S T

Control Panel
M N
Brake

1 2 3 4
RectifierMotor(Terminal
box)

U V W
Motor

R S T

R S T

MC
VR

OLR

1 2 3 4
Rectifier

M N
Brake

Motor
(Terminal
box)

U V W
Motor

Control Panel

Electromagnetic contactor for normal and reverse rotation
MC: Electromagnetic contactor
OLR: Overload protection device or electronic thermal relay
VR: Varistor (for protecting contact points, rectifier, etc.)

Reverse

M N
Brake

Motor
(Terminal
box)

1 2
4
RectifierNormal rotation

VR

Control Panel

ReverseNormal rotation

Quick braking circuit

MC

OLR

U V W
Motor

Reverse

M N
Brake

1 2
4
Rectifier

OLR

Motor
(Terminal
box)

U V W
Motor

Normal rotation

Control Panel

ReverseNormal rotation

Normal braking circuit

OLR

Customer to prepare.

- This diagram shows cases for motors with standard Japanese domestic specifications. Please consult
with us for motors with overseas specifications.
- For brake types, see Table 1-1 on P6.
- Brake action delay time is different between normal and quick braking circuits.
Table 7-2 on P28 shows action delay time. Choose the circuit that matches work requirements.
- Use a quick braking circuit to improve hoisting equipment and stopping precision.
- Use a quick braking circuit when a phase-advancing capacitor is mounted.
-	For information on electromagnetic contactors and varistors for quick braking circuits, see Table 6-4 on P26.
-	For plugging operations using a quick braking circuit, gang the brake circuit’s electromagnetic contactors
to the motor’s normal and reverse rotation electromagnetic contactors.

22

6. Wiring■ With brake. 3-phase power source.

Both-direction operation

Premium-Efficiency, 3-Phase Motor
FB-8E
8 Lead Wires‒Δ Starting
R S T

Direct on-line starting
ON
OFF
ON
ON
ON
OFF

R

S

T

ReverseWhen
acceleration iscompleted
Δ wiring

MCM
MCΔ
MC
MCM
MCΔ
MC

Normal rotation

Reverse

OLR

OLR

MC Δ

MC

M N

Rectifier

R S T

Brake

ON
OFF
ON
ON
ON
OFF

R

1 2 3 4

Motor

S

M N

Rectifier

Brake

T

ReverseWhen
acceleration iscompleted
Δ wiring

MCM
MCΔ
MC
MCM
MCΔ
MC

U1 V1 W1
W2 U2

Normal rotation

ReverseOLR

OL R

1 2 3 4

Rectifier

M N

Brake

Electromagnetic contactor for normal and reverse rotation
MC: Electromagnetic contactor
OLR: Overload protection device or electronic thermal relay
VR: Varistor (for protecting contact points, rectifier, etc.)

MC

U1 V1 W1V2 W2 U2

Motor

1 2 3 4

Rectifier

VR

M N

Brake

Motor
(Terminal
box)

Motor

Motor
(Terminalbox)

U1 V1 W1 V2 W2 U2

VR

Y

MC

MC

Control Panel

MC Δ

MC M

Control Panel

Quick braking circuit

Normal rotation

At start
WiringV2

Motor(Terminalbox)

1 2 3 4

Motor

Motor
(Terminalbox)

U1 V1 W1 V2 W2 U2

Y

MC M

Control Panel

Control Panel

Normal braking circuit

Normal rotation

At start
WiringCustomer to prepare.

-	This diagram shows cases for motors with standard Japanese domestic specifications. Please consult
with us for motors with overseas specifications.
- For brake types, see Table 1-1 on P6.
-	Brake action delay time is different between normal and quick braking circuits.
Table 7-2 on P28 shows action delay time. Choose the circuit that matches work requirements.
- Use a quick braking circuit to improve hoisting equipment and stopping precision.
- Use a quick braking circuit when a phase-advancing capacitor is mounted.
-	For information on electromagnetic contactors and varistors for quick braking circuits, see Table 6-4 on P26.
-	For plugging operations using a quick braking circuit, gang the brake circuit’s electromagnetic
contactors to the motor’s normal and reverse rotation electromagnetic contactors.

23

6. Wiring■ With Brake.

Inverter Drive

3-phase motor
Premium-Efficiency, 3-Phase Motor
AF Motor for Inverter
Premium-efficiency, 3-phase motor for inverter
High-efficiency, 3-phase motor
FB-01A1 – 05A1

FB-1D, FB-1E – 5E
5 Lead Wires

R

S

R

T

S

T

MCB

R

S

1

2
4
Rectifier

M N
Brake

T

Inverter

U

V W
Motor

R

S

1

2 3 4
Rectifier

M N
Brake

M N
Brake

MC: Electromagnetic contactor
MCB: Breaker for wiring
VR: Varistor (for protecting contact points, rectifier, etc.)

U

V W
Motor

MC

1

2 3 4
Rectifier

VR

M N
Brake

Control Panel

2
4
RectifierInverter

Motor(Terminal
box)

1

VR

Control Panel

MC

Motor
(Terminal
box)

Quick braking circuit

MCB

Inverter

V W
Motor

MC

T

MCB

U

Control Panel

V W
Motor

MC

Motor
(Terminalbox)

U

Control Panel

Inverter

Motor(Terminalbox)

Normal braking circuit

MCB

Customer to prepare.

-	This diagram shows cases for motors with standard Japanese domestic specifications. Please consult with us
for motors with overseas specifications.
-	For brake types, see Table 1-1 on P6.
-	The motor must be insulated to inverter-drive a 400V class 3-phase motor/high-efficiency, 3-phase motor.
- Brake action delay time is different between normal and quick braking circuits.
Table 7-2 on P28 shows action delay time. Choose the circuit that matches work requirements.
- Use a quick braking circuit to improve hoisting equipment and stopping precision.
- Use a quick braking circuit when a phase-advancing capacitor is mounted.
-	For information on electromagnetic contactors and varistors for quick braking circuits, see Table 6-4 on P26.
- Always use the inverter’s power source side for the brake power source.
-	Match the opening and closing of the brake circuit’s electromagnetic contactor to the timing of theinverter control.

24

6. Wiring■ With Brake.

Inverter Drive

Premium-Efficiency, 3-Phase Motor
Premium-efficiency, 3-phase motor for inverter
FB-8E
8 Lead Wires
R

S

T
MCB

U1
V1
W1
W2
U2

Motor

R

S

Control PanelV2

1 2 3 4

Rectifier

M N
Brake

Motor
(Terminalbox)

Normal braking circuit

MC

Inverter

T
MCB

U1
V1
W1
W2
U2

Motor

1 2 3 4

RectifierControl Panel

V2

MC

VR

M N
Brake

Motor
(Terminal
box)

Quick braking circuit

Inverter

MC: Electromagnetic contactor
MCB: Breaker for wiring
VR: Varistor (for protecting contact points, rectifier, etc.)

Customer to prepare.

-	This diagram shows cases for motors with standard Japanese domestic specifications. Please consult
with us for motors with overseas specifications.
- For brake types, see Table 1-1 on P6.
- Brake action delay time is different between normal and quick braking circuits.
Table 7-2 on P28 shows action delay time. Choose the circuit that matches work requirements.
- Use a quick braking circuit to improve hoisting equipment and stopping precision.
- Use a quick braking circuit when a phase-advancing capacitor is mounted.
- For information on electromagnetic contactors and varistors for quick braking circuits, see Table 6-4 on P26.
- Always use the inverter’s power source side for the brake power source.
- Match the opening and closing of the brake circuit’s electromagnetic contactor to the timing of theinverter control.

25

6. Wiring
6-6 Points to Note when Using a Quick Braking Circuit
When using brakes with quick braking circuits, take note of the following items.
-	Connect a varistor (protection element) to protect the quick braking circuit contact points from surge voltage generated
by the brake action.
-	Wire the quick braking circuit contact points to the brake power source secondary side contacts; otherwise, Contact
points might not be protected.
-	For information on using an alternating current electromagnetic contactor for contact points for quick braking circuits,
see Table 6-4.
If multiple contact points are required, note the following issues.
- Connect electromagnetic contactor contact points in serial. (See Figure 6-3)
- Connect the varistor (VR) as close to the unit as possible. (See Figure 6-3)
Table 6-4. Nomenclature for parts recommended when using a quick braking circuit (when using an alternating current
electromagnetic contactor).
Recommended Contactor TypeAC
Brake typevoltage

Made by Fuji Electric FA
Made by Mitsubishi Electric
Components & Systems Co., Ltd.
Corporation

Recommended
value of contact
point capacity(DC-13 class)
0.4A
or higher

FB-01A1

200V
220V

FB-02A1
FB-05A1
FB-1D
FB-1E
FB-1HE
FB-2E
FB-3E
FB-4E
FB-5E
FB-8E
FB-01A1

400V
440V

FB-02A1
FB-05A1
FB-1D
FB-1E
FB-1HE
FB-2E
FB-3E
FB-4E
FB-5E
FB-8E

SC-05

Serial contact
points: 1 (0.7A)

S-N11
or
S-N12

0.5A
or higher

Serial contact
points: 1 (1.2A)
DC
110V

0.7A
or higher

SC-05

Serial contact
points: 2 (3.0A)

S-N11
or
S-N12

Serial contact
points: 2 (3.0A)

1.5A
or higher

SC-05

Serial contact
points: 3 (4.0A)

S-N18

Serial contact
points: 3 (5.0A)

3.0A
or higher

SC-05

Serial contact
points: 1 (0.25A)

SC-05

Serial contact
points: 2 (0.4A)

S-N11
or
S-N12

Serial contact
points: 2 (0.5A)

S-N11
or
S-N12

Serial contact
points: 3 (2.0A)

S-N18

Serial contact
points: 3 (2.0A)

SC-05

Serial contact
points: 3 (2.0A)

Recommended Varistor (For Protecting Contactor Contact
Points)Maximum
Varistor
Power
Varistor Type
Allowable
VoltageratingCircuit Voltage

0.2A
or higher
0.3A
or higher
DC
220V

0.5A
or higher
1.0A
or higher

TND07V471KB00AAA0
TND10V471KB00AAA0

0.25W

AC300V

470V(423–517V)

0.4W

TND14V471KB00AAA0

0.6W

TND10V821KB00AAA0

0.4W

TND14V821KB00AAA0

AC510V

820V(738–902V)

TND20V821KB00AAA0

0.6W

1.0W

1.5A
or higher-	This recommended contactor type is for Fuji Electric FA Components & Systems Co., Ltd. and Mitsubishi Electric
Corporation contactors. Products from other manufacturers are also allowable if they have equivalent capabilities.
-	Recommended contactor contact point capacity indicates the case where durability regarding electronic opening andclosing (service life) is approximately 2 million times.
-	Of the recommended contactors, the Mitsubishi Electric Corporation S-N11 has one auxiliary contact point; the S-N18
has none. This applies if, for inverter drive or other reasons, two or more auxiliary contact points are required. (Other
connectors in Table 6-4 have two or more auxiliary contact points.)-	This recommended varistor type is for Nippon Chemi-Con Corporation varistors. Products from other manufacturers arealso allowable if they have equivalent capabilities.
Figure 6-3 Examples of Contact Point Connections with Quick Braking Circuits

MC

VR

MC

VR

MC

VR

U phase Brake terminal N
Rectifier terminal 2

U phase Note Brake terminal N
Rectifier terminal 2

U phase Note Brake terminal N
Rectifier terminal 2

Serial contact points: 1

Serial contact points: 2

Serial contact points: 3

Note

26

Note:	For inverter drives,connect to the R phase(power source side).

7. Operation Common
DANGER-- Do not approach or touch rotating parts (low speed shaft, etc.) during operation; otherwiseloose clothing may became caught in these rotating parts and cause serious injury or death.
-- When the power supply is interrupted, be sure to turn off the power switch. Unexpected
resumption of power may cause electric shock, personal injury, or damage to the equipment.
-- Do not operate the unit with the terminal box cover removed. Return the terminal box coverto the original position after maintenance, in order to prevent electric shock.
-- Do not operate the machine while the brake is released by the manual brake release bolt;
otherwise, falling, going out of control, or damage to the equipment may result.

CAUTION-- Do not put fingers or foreign objects into the opening of the gearmotor or reducer; otherwise,electric shock, injury, fire, or damage to the equipment may result.
-- The gearmotor or reducer becomes very hot during operation. Touching the unit may result inburns.
-- If any abnormality occurs during operation, stop operation immediately; otherwise, electric
shock, personal injury, or fire may result.
-- Do not operate the unit in excess of the load rating; otherwise, personal injury, or damage tothe equipment may result.

7-1 Items to Check Before Operation
After installation and wiring are completed, check the following items before operating.
- Is the wiring correct?
- Is the unit properly coupled with the driven machine?
- Are mounting bolts tightened firmly?
- Is the direction of rotation as required?
After confirming these items, operate without a load and gradually apply a load. Check the items shownin Table 7-1.

7-2 Items to Check During Operation
Table 7-1 Items to Check During Operation

Is abnormal sound or vibration
generated?

- Is the housing deformed because the installation surface is not flat?
- Is insufficient rigidity of the installation base generating resonance?
- Is the shaft center aligned with the driven machine?
- Is the vibration of the driven machine transmitted to the gearmotoror reducer?

Is the surface temperatureabnormally high?

- Is the voltage rise or drop substantial?
- Is the ambient temperature too high?
- Does the current flowing to the gearmotor exceed the rated current
shown on the nameplate?

If any abnormalities are found, immediately stop operation and contact the nearest authorized service
station.

27

7. Operation
7-3 Brake Torque and Activation Delay TimeThe table below shows standard specification brake types, their brake torque, and their relationship tobrake activation delay time.
Table 7-2 Brake Torque and Activation Delay Time
Brake activation delay time(sec)

Motor Capacity (kW)Brake type3-phasemotor
4P

PremiumPremiumHighNormal
Efficiency, AF motor for efficiency, efficiency Brake torquebraking circuit
Normal braking
3-Phaseinverter 3-phase motor 3-phase(Dynamic
for inverter(SimultaneousMotorfor inverter
motor friction torque)(Separate
turn-off circuit)(N·m)
turn-off
4P
4P
4P
4P
circuit)Quickbraking
circuit

FB-01A1

0.1

－

－

－

－

1.0

FB-02A1

0.2 0.25

－

0.1

－

－

2.0

FB-05A1

0.4

－

0.2

－

0.2

4.0

FB-1D

0.55

－

0.4

－

0.4

7.5

0.2 - 0.3

FB-1E

－

0.75

－

0.75

－

7.5

0.25 - 0.45 0.15 - 0.25

FB-1HE

－

1.1

－

－

－

11

0.45 - 0.65 0.25 - 0.35 0.01 - 0.03

FB-2E

－

1.5

－

1.5

－

15

0.35 - 0.55 0.15 - 0.25

FB-3E

－

2.2

－

2.2

－

22

0.75 - 0.95 0.4 - 0.5

FB-4E

－

3.0

－

－

－

30

0.65 - 0.85 0.3 - 0.4

FB-5E

－

3.7

－

3.7

－

40

1.1 - 1.3

0.4 - 0.5

FB-8E

－

5.5

－

5.5

－

55

1.0 - 1.2

0.3 - 0.4

0.15 - 0.2 0.08 - 0.12

0.015 0.02

0.1 - 0.15 0.03 - 0.07

0.01 0.015

0.1 - 0.15 0.01 - 0.02

0.02 - 0.04

Notes: 1. Brake type may differ depending on specification. Check the nameplate.
2.	Brake torque will change according to operating environment, operating conditions, thecondition of the friction surface, etc. In particular, brake torque may not be at the prescribed
level for initial operation, and after a long period of inactivity. In such a case turn the brake on
and off under as light load as possible to contact the brake’s friction surfaces.
3.	Brake activation delay time will change according to the brake’s wiring circuit. Select the
optimum circuit for the application.

28

8. Daily Inspection and Maintenance Common
DANGER-- Do not handle the unit when cables are live. Be sure to turn off the power when operating on
the unit; otherwise, electric shock may result.
-- Do not approach or touch any rotating parts (output shaft, etc.) during run-time maintenanceor inspection of the unit; loose clothing may become caught in these rotating parts and cause
serious injury or death.
-- Customers must not disassemble or modify explosion-proof motors ; otherwise, explosion,
ignition, electric shock, or damage to the equipment may result.
-- The lead-in condition of an explosion-proof motors , shall conform to the facilities electricalcodes, extension regulations, and explosion-proofing guide, as well as the maintenancemanual; Additionally, do not open the terminal box cover while operating. otherwise,
explosion, ignition, electric shock, or damage to the equipment may result.
-- Do not operate the machine while the brake is released by the manual brake release bolt;
otherwise, falling, going out of control, or damage to the equipment may result.

CAUTION-- Do not put fingers or foreign objects into the opening of the gearmotor or reducer; otherwise,electric shock, injury, fire, or damage to the equipment may result.
-- The gearmotor or reducer becomes very hot during operation. Touching the unit with barehands may result in serious burns.
-- Do not touch the terminals when measuring insulation resistance; otherwise, electric shock
may result.
-- Do not operate the unit without a safety cover (removed during inspection) in place to shieldrotating parts; otherwise loose clothing may became caught in these rotating parts and cause
serious injury or death.
-- Promptly identify and correct, according to instructions in this maintenance manual, any
abnormalities observed during operation. Do not operate until the cause for the abnormality
is understood, and the abnormality is corrected.
-- Do not operate damaged gearmotors or reducers; otherwise, injury, fire, or damage to theequipment may result.
-- We cannot assume any responsibility for damage or injury resulting from an unauthorized
modification by a customer, as it is outside the scope of the warranty.
-- Dispose of gearmotor or reducer lubricant as general industrial waste.
-- When measuring the insulation resistance of an explosion-proof motors , confirm that there is
no gas or other vaporized explosive substance around the unit in order to prevent explosion
or ignition.
-- Changing brake linings requires experience. Consult with the nearest authorized service
station.
-- Brake torque will change with operation environment and conditions, the condition of thefriction surface, and other factors. In particular, brake torque may not be at the prescribed
level for initial operation, and after a long period of inactivity. In such a case turn the brake on
and off under as light load as possible to contact the brake’s friction surfaces.

29Common 8. Daily Inspection and Maintenance
8-1

Daily Inspection

Make certain to carry out daily inspections in accordance with Table 8-1. Neglecting inspections is asource of trouble.
Table 8-1 Daily Inspection
Inspection item
Inspection detail
Current value
Noise
Vibration

Surface temperature

Grease leaks
Mounting bolts
Chain, V-belt

Is the current no greater than the rated value shown on the nameplate?
Are there unusual noises, or are there extreme changes in the noises?
Is there abnormally large vibration? Are there extreme changes?
Is surface temperature unusually high? Has there been a sudden rise?
T emperature rises during operation will differ according to model and type.
However, in case the difference between the gear unit surface temperatureand the environment temperature should be approximately 40℃ , there isno particular trouble if fluctuation is slight.
Is grease leaking from the gear unit? Are the oil seal sliding surfaces
corroded?
Are the mounting bolts loose?
Are the chain or V-belt loose?







- If any problems are found in a daily inspection, follow "9. Troubleshooting" (on P46 and 47) to takeappropriate actions. If these actions do not remedy the issue, immediately contact the nearest authorized
service station.

8-2 Main Unit Maintenance- Because long-life grease of Table 8-2 is used for gear, it can run for a long time without replenishment,
overhauling after approximately 20,000 hours or 3 to 5 years will further increase lifetime. Contact thenearest authorized service station regarding overhaul.
Table 8-2 Recommended Grease (Grease Used when Shipped)Type
CYCLO DriveCYCLO Drive SK series

Manufacturer
NippecoMobil

Description
BEN10-No.2
UNIREX N2
Shell Alvania
EP Grease R000

Shell

Ambient Temperature ℃-10 to 50-10 to 40- Only use grease listed in Table 8-2.
-	 When regularly used in an ambient temperature outside the 0 - 40℃ range, some specifications will differ.
Please consult with us.
- Oil seals have a lifetime. During long use natural degradation and frictional wear will reduce effectiveness.
Reducer operating conditions and ambient environment will cause lifetime to widely vary. Given
normal operation, (uniform load, running 10 hours per day, normal temperature) as a guideline it isrecommended to change them every 1 to 3 years. If the sliding surfaces of oil seals or V-rings show signs
of wear or corrosion, replace them with new ones. Sliding surfaces are made of carbon steel, so rainwater, condensation and other factors could cause rust to form and spread. Because this could lead tooil seal damage, take on-going rust prevention measures.
- If stop and start are frequent, mounting bolts (or nuts) and frame size fastening bolts (or nuts) may
come loose. Periodically check for looseness as this is a source of miss-alignment, oil leakages, and load
unbalance.

30

8. Daily Inspection and Maintenance
8-3 Brake Maintenance and Inspection
DANGER-- Do not handle the unit when cables are live. Be sure to turn off the power when operating on theunit; otherwise, electric shock may result.
-- When using for lifting, do not release the brake while a load is suspended; otherwise it could fall,causing an accident.
-- Do not operate the machine while the brake is released by the manual brake release bolt;
otherwise, falling, going out of control, or damage to the equipment may result.
-- Before operation turn power on and off to check brake action; otherwise falling or running out ofcontrol could occur.
-- Do not bring water or oils in contact with the brake. Brake torque degradation could cause fallingor running out of control.

CAUTION-- After gap inspection and adjustment do not operate with the fan cover removed. otherwise loose
clothing may became caught in these rotating parts and cause serious injury or death.
-- Changing brake linings requires experience. Consult with the nearest authorized service station.
Given normal operation conditions, brake mechanical lifetime is quite long at 2 million times. These
conditions include the moment of inertia for the load being no greater than the moment of inertia
for the brakemotor. However, please periodically inspect the brake gap (G). The brake lining wears
after long hours of running time, making it impossible for the brake to release. When 2 million times is
exceeded, wear and damage to mechanical parts may cause dropping or overdrive problems.

8-4 Brake Construction and Gap Inspection and Adjustment- The brake is spring activated (power-off type).
-	The brake lining wears after long hours of operating the brake, making it impossible for the brake torelease. Therefore please periodically inspect the brake gap (G).
- If on inspection the gap is close to the limit, adjust the gap.
- In FB-1E - 4E a shock absorber is inserted between the stationary core and the armature plate to reduce
the noise that results from the braking action.
When inspecting be careful that the gap gauge, other measuring tool or anything else does not damage
the shock absorber or cause it to fall out.
There is danger that if the shock absorber is damaged or falls out, brake noise will increase and the brake
will not function properly.
Table 8-3 Pages Containing Information on Brake Construction and Gap Inspection and Adjustment
Brake type
IndoorOutdoor
FB-01A1, 02A1, 05A1
P32
P38
FB-1D
P33
P39
FB-1E
P34
P40
FB-1HE, 2E
P35
P41
FB-3E, 4E
P36
P42
FB-5E, 8E
P37
P43

31

8. Daily Inspection and Maintenance■ FB-01A1, 02A1, 05A1 (Indoor type)
8 7

6

5

4

3 2 1

Code
Part Name
1
Stationary core
2
Spacer3
Brake Lining
4
Attachment bolt
5
Boss
6
Shaft-retaining C-ring
7
Cover
8
Fan set screw
9
Fan
10
Leaf spring
11
Fixed plate
12
Armature plate
13
Spring
14
Electromagnetic coil
15
Bearing
16Motor shaft
Note: FB-01A1 does not come with [8][9].

Ｇ

9

10 11 12 13

14 15

16

Figure 8-1- Gap Inspection(1) Remove the cover [7].
(2)	Insert a gap gauge between the stationary core [1] andthe armature plate [12], and measure the gap. Measure in
3 locations around the circumference.
(3)	Adjustment is required if the gap value is close to the limit.

Gap Value G (mm)Required value
Limit value(original value)
0.2 - 0.35
0.5

- Gap Adjustment(1) Remove the cover [7].
(2) Loosen the fan set screw [8] and remove the fan [9].
(3)	Slightly loosen the attachment bolts [4] and rotate the fixed plate [11] counterclockwise, as far as it willgo. Then tighten the attachment bolts [4]. After tightening, measure the gap (G) and check to see if thegap value is between the required value and the limit. (This operation will reduce the gap by 0.3 mm.)(4) Turn the power on and off to check brake action.
(5)	Attach the fan [9] and cover [7]. Use a fan set screw [8] coated with Three Bond TB2365 (Sumitomo
part number EW444WW-01), and tighten to a torque of 0.3 - 0.5 N·m.
Note:If the optional brake release bolt is installed, disassemble after removing the release bolt.

32

8. Daily Inspection and Maintenance■ FB-1D (Indoor Type)12 11 10 9

8

7

6

5

4

3 2

1

Code
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20

Ｇ

13

14

15 16 17 18 19 20

Figure 8-2

Part Name
Stationary core
Brake release
Manual release protection
spacerBrake release bolt
Spacer
Gap adjusting shims
Attachment bolt
Brake Lining
Leaf spring
Boss
Shaft-retaining C-ring
Fan set screw
Cover
Fan
Fixed plate
Armature plate
SpringElectromagnetic coil
Bearing
Motor shaft- Gap Inspection
Gap Value G (mm)(1)	Remove the brake release bolt [4] and the manual release
Requiredvalue
prevention spacer [3].
Limit value(original value)(2) Remove the cover [13].
0.3 - 0.4
0.6(3)	Insert a gap gauge between the stationary core [1] andthe armature plate [16] and measure the gap. Measure in 3 locations around the circumference.
(4)	Adjustment is required if the gap value is close to the limit.
	(Gap adjustment shim thickness is approximately 0.2 - 0.25 mm. Adjustment cannot be made at a lower
value.)- Gap Adjustment(1) Remove the brake release bolt [4] and the manual release prevention spacer [3].
(2) Remove the cover [13].
(3) Remove the fan set screw [12] and remove the fan [14].
(4)	Loosen the attachment bolts [7] and remove the spacers [5], gap adjustment shims [6], attachment
bolts [7] and fixed plate [15] as a set. When removing the attachment bolts [7] make certain not toomit the gap adjustment shims [6].
(5)	The gap adjustment shims [6] have a thickness of 0.2 - 0.25 mm. Reduce the number of shims
according to the wear conditions, then reassemble the spacers [5], gap adjustment shims [6],attachment bolts [7] and the fixed plate [15] as a set.
(6)	Check the gap G, and readjust the shims if there is a large difference between the gap and therequired value.
(7) Turn the power on and off to check brake action.
(8)	Attach the fan [14], fan set screw [12] and cover [13]. Use a fan set screw [12] coated with Three Bond
TB2365 (Sumitomo part number EW445WW-01), and tighten to a torque of 0.85 - 1.05 N·m. Finally,
attach the brake release bolt [4] and the manual release prevention spacer [3].

33

8. Daily Inspection and Maintenance■ FB-1E (Indoor Type)

12

11

10

9

8

7

6

5

4

3

2

Code
1
2
3

1

4

22
Ｇ
X

Details for X
13

14

15

16

17

18

19

20

21

Figure 8-3

5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22

Part Name
Stationary core
Brake release
Seal washer
Manual release prevention
spacerBrake release bolt
Spacer
Gap adjusting shims
Attachment bolt
Brake Lining
Leaf spring
Boss
Shaft-retaining C-ring
Cover
Shaft-retaining C-ring
Fan
Fixed plate
Armature plate
SpringElectromagnetic coil
Ball bearings
Motor shaft
Shock absorber- Gap Inspection
Gap Value G (mm)(1)	Remove the brake release bolt [5] and the manual release
Required value
prevention spacer [4].
Limit value(original value)(2) Remove the cover [13].
0.25 - 0.35
0.6(3)	Insert a gap gauge between the stationary core [1] andthe armature plate [17] and measure the gap. Measure in 3 locations around the circumference.
(4) Adjustment is required if the gap value is close to the limit.
	(Gap adjustment shim thickness is approximately 0.2 - 0.25 mm. Adjustment cannot be made at a lower
value.)- Gap Adjustment(1) Remove the brake release bolt [5] and the manual release prevention spacer [4].
(2) Remove the cover [13].
(3) Remove the shaft-retaining C-ring [14], and remove the fan [15].
(4)	Loosen the attachment bolts [8] and remove the spacers [6], gap adjustment shims [7], attachment
bolts [8] and fixed plate [16] as a set. When removing the attachment bolts [8] make certain not toomit the gap adjustment shims [7] or the shock absorber [22].
(5)	The gap adjustment shims [7] have a thickness of 0.2 - 0.25 mm. Reduce the number of shims
according to the wear conditions, then reassemble the spacers [6], gap adjustment shims [7],attachment bolts [8] and the fixed plate [16] as a set.
(6)	Check the gap G, and readjust the shims if there is a large difference between the gap and therequired value.
(7) Turn the power on and off to check brake action.
(8) Attach the fan [15], shaft-retaining C-ring [14] and cover [13].
(9) Finally, attach the brake release bolt [5] and the manual release prevention spacer [4].

34

8. Daily Inspection and Maintenance■ FB-1HE, 2E (Indoor Type)

12

11

10

9

8

7

6

5

4

3

2

Code
1
2
3

1

4

22
Ｇ
X

Details for X

13

14

15

16

17

18

19

20

21

Figure 8-4

5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22

Part Name
Stationary core
Brake release
Seal washer
Manual releaseprevention spacer
Brake release bolt
Spacer
Gap adjusting shims
Attachment bolt
Brake Lining
Leaf spring
Boss
Shaft-retaining C-ring
Cover
Shaft-retaining C-ring
Fan
Fixed plate
Armature plate
SpringElectromagnetic coil
Ball bearings
Motor shaft
Shock absorber- Gap Inspection
Gap Value G (mm)(1)	Remove the brake release bolt [5] and the manual release
Required value
Limit value
prevention spacer [4].
(original value)(2) Remove the cover [13].
0.25 - 0.35
0.75(3)	Insert a gap gauge between the stationary core [1] and thearmature plate [17] and measure the gap. Measure in 3 locations around the circumference.
(4) Adjustment is required if the gap value is close to the limit.
	(Gap adjustment shim thickness is approximately 0.35 - 0.45mm. Adjustment cannot be made at alower value.)- Gap Adjustment(1) Remove the brake release bolt [5] and the manual release prevention spacer [4].
(2) Remove the cover [13].
(3) Remove the shaft-retaining C-ring [14], and remove the fan [15].
(4)	Loosen the attachment bolts [8] and remove the spacers [6], gap adjustment shims [7], attachment
bolts [8] and fixed plate [16] as a set. When removing the attachment bolts [8] make certain not toomit the gap adjustment shims [7] or the shock absorber [22].
(5)	The gap adjustment shims [7] have a thickness of 0.35 - 0.45mm. Reduce the number of shims
according to the wear conditions, then reassemble the spacers [6], gap adjustment shims [7],attachment bolts [8] and the fixed plate [16] as a set.
(6)	Check the gap G, and readjust the shims if there is a large difference between the gap and therequired value.
(7) Turn the power on and off to check brake action.
(8) Attach the fan [15], shaft-retaining C-ring [14] and cover [13].
(9) Finally, attach the brake release bolt [5] and the manual release prevention spacer [4].

35

8. Daily Inspection and Maintenance■ FB-3E, 4E (Indoor Type)

11

10

9

8

7

6

5

4

3

2

Code
1
2

1

3

21
Ｇ
X

12

13

14

15

16

17

18

19

20

Details for X

Figure 8-5

4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21

Part Name
Stationary core
Brake release
Manual release prevention
spacerBrake release bolt
Spacer
Gap adjusting shims
Attachment bolt
Brake Lining
Leaf spring
Boss
Shaft-retaining C-ring
Cover
Shaft-retaining C-ring
Fan
Fixed plate
Armature plate
SpringElectromagnetic coil
Ball bearings
Motor shaft
Shock absorber- Gap Inspection
Gap Value G (mm)Required value(1) Remove the brake release bolt [4] and the manual release
Limit value(original value)
prevention spacer [3].
0.25 - 0.35
0.85(2) Remove the cover [12].
(3)	Insert a gap gauge between the stationary core [1] andthe armature plate [16] and measure the gap. Measure in 3 locations around the circumference.
(4) Adjustment is required if the gap value is close to the limit.
	(Gap adjustment shim thickness is approximately 0.45 - 0.55mm. Adjustment cannot be made at alower value.)-Gap Adjustment(1) Remove the brake release bolt [4] and the manual release prevention spacer [3].
(2) Remove the cover [12].
(3) Remove the shaft-retaining C-ring [13] and the fan [14].
(4)	Loosen the attachment bolts [7] and remove the spacers [5], gap adjustment shims [6], attachment
bolts [7] and fixed plate [15] as a set. When removing the attachment bolts [7] make certain not toomit the gap adjustment shims [6] or the shock absorber [21].
(5)	The gap adjustment shims [6] have a thickness of 0.45 - 0.55 mm. Reduce the number of shims
according to the wear conditions, then reassemble the spacers [5], gap adjustment shims [6],attachment bolts [7] and fixed plate [15] as a set.
(6)	Check the gap G, and readjust the shims if there is a large difference between the gap and therequired value.
(7) Turn the power on and off to check brake action.
(8) Attach the fan [14], shaft-retaining C-ring [13] and cover [12].
(9) Finally, attach the brake release bolt [4] and the manual release prevention spacer [3].

36

8. Daily Inspection and Maintenance■ FB-5E and 8E (Indoor type)

13 12 11 10

9

8

7

6

5

4

3

2

1

Code
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22

Ｇ

14 15 16 17 18 19 20 21 22

Figure 8-6

Part Name
Stationary core
Brake release
Seal washer
Manual release prevention
spacerBrake release bolt
Stud bolt
Adjusting washer
Spring washer
Gap adjusting nut
Brake Lining
Leaf spring
Boss
Shaft-retaining C-ring
Cover
Shaft-retaining C-ring
Fan
Fixed plate
Armature plate
SpringElectromagnetic coil
Ball bearings
Motor shaft- Gap Inspection
Gap Value G (mm)Required value(1)	Remove the brake release bolt [5] and the manual release
Limit value(original value)
prevention spacer [4].
0.35 - 0.45
1.0(2) Remove the cover [14].
(3)	Insert a gap gauge between the stationary core [1] andthe armature plate [18] and measure the gap. Measure in 3 locations around the circumference.
(4) Adjustment is required if the gap value is close to the limit.
- Gap Adjustment(1) Remove the brake release bolt [5] and the manual release prevention spacer [4].
(2) Remove the cover [14].
(3)	Insert a gap gauge between the stationary core [1] and the armature plate [18] and rotate to the rightthe gap adjusting nuts [9] that are attached to ends of the stud bolts [6]. If large adjustments to the
gap are not possible, decrease the number of adjusting washers [7]. There are 3 gap adjusting nuts [9].
Adjust these in turn so that 3 positions on the circumference are uniformly at the required gap.
(4) Turn the power on and off to check brake action.
(5) Attach the cover [14].
(6) Finally, attach the brake release bolt [5] and the manual release prevention spacer [4].

37

8. Daily Inspection and Maintenance■ FB-01A1, 02A1, 05A1 (Outdoor type)
12

14

13

17

16

15

18 19

1
2
3
4
5
6
7
8
9
10
11
12

Ｇ

11
10
9
8

20

13

7
6

Code

5

4

3

2

1

Figure 8-7- Gap Inspection(1) Remove the cover [11].
(2) Loosen the fan set screw [20] and remove the fan [6].
(3) Remove the waterproof seal [14].
(4)	Insert a gap gauge between the stationary core [17] andthe armature plate [1], and measure the gap. Measure in 3
locations around the circumference.
(5) Adjustment is required if the gap value is close to the limit.

14
15
16
17
18
19
20

Part Name
Armature plate
Brake Lining
Spacer
Attachment bolt
Fixed plate
Fan
V-ringShaft retaining C-ring
Boss
Leaf spring
Cover
Waterproof cover
Waterproof coverattachment bolts
Waterproof seal
SpringElectromagnetic coil
Stationary core
Bearing
Motor shaft
Fan set screw

Note: FB-01A1 does not come with [6][7][20].
Gap Value G (mm)Required value
Limit value(original value)
0.2 - 0.35
0.5

Ａ- Gap Adjustment
Ｂ(1) Remove the cover [11].
(2) Loosen the fan set screw [20] and remove the fan [6].
(3) Remove the waterproof seal [14].
(4) Pull off the V-ring [7].
(5)	Remove the waterproof cover attachment bolts [13], and remove the waterproof cover [12].
(6)	Slightly loosen the attachment bolts [4] and rotate the fixed plate [5] counter clockwise,
as far as it will go. Then tighten the attachment bolts [4]. After tightening, measure thegap (G) and check to see if the gap value is between the required value and the limit. (Thisoperation will reduce the gap by 0.3 mm.)(7)	Attach the waterproof cover [12] using the attachment bolts [13]. Attach the waterproof cover[12] so that the gap (A) between its hole and the motor shaft [19] is nearly uniform around thecircumference.
(8) Clean the surface of the waterproof seal [14] to remove impurities.
(9)	As shown in the construction drawings, install the waterproof seal [14] between the stationary core[17] and the waterproof cover [12]. Insert the waterproof seal [14] with its arrow mark pointing
toward the load side. (Align the hole in the waterproof seal [14] for the release bolt with the positionof the release bolt.) Attach the waterproof seal [14] so that its protrusion fits snuggly around theentire circumference of the groove for the stationary core [17]. Otherwise water could leak in.
(10) Turn the power on and off to check brake action.
(11)	Attach the V-ring [7]. Wipe off the lip and surface near the lip of the V-ring [7], lightly coat the lip
surface with grease and attach. Observe the attaching dimension (B = 4.5mm).
(12)	Attach the fan [7] and cover [11]. Use a fan set screw [20] coated with Three Bond TB2365 (Sumitomo
part number EW444WW-01), and tighten to a torque of 0.3 - 0.5 N·m.
Note:	 If the optional brake release bolt is installed, disassemble after removing the release bolt.

38

8. Daily Inspection and Maintenance■ FB-1D (Outdoor type)13

12

14 15 16 17

18 19

20
21 22

11

23
24

10

9

8

7

15

Ｇ

6

5

4

3

2

1

Figure 8-8-

Gap Inspection(1) Remove the brake release bolt [17] and the manual release prevention
spacer [18].
(2) Remove the cover [13].
(3) Loosen the fan set screw [9] and remove the fan [7].
(4) Remove the brake release [19]. (2 Places)(5) Remove the waterproof seal [16].
(6)	Insert a gap gauge between the stationary core [22] and the armatureplate [1], and measure the gap. Measure in 3 locations around thecircumference.
(7) Adjustment is required if the gap value is close to the limit.
	(Gap adjustment shim thickness is approximately 0.2 - 0.25 mm.
Adjustment cannot be made at a lower value.)Gap Adjustment

16
17
18
19
20
21
22
23
24

Part Name
Armature plate
Brake Lining
Spacer
Gap adjusting shims
Attachment bolt
Fixed plate
Fan
V-ringFan set screw
Shaft retaining C-ring
Boss
Leaf spring
Cover
Waterproof cover
Waterproof cover attachment
bolts
Waterproof seal
Brake release bolt
Manual release protection spacer
Brake release
SpringElectromagnetic coil
Stationary core
Bearing
Motor shaft

Gap Value G (mm)Required value
Limit value(original value)
0.3 - 0.4
0.6
Ｂ

Ａ

-

Code
1
2
3
4
5
6
7
8
9
10
11
12
13
14

(1) Remove the brake release bolt [17] and the manual release prevention spacer [18].
(2) Remove the cover [13].
(3) Loosen the fan set screw [9] and remove the fan [7].
(4) Pull off the V-ring [8].
(5) Remove the brake release [19]. (2 Places)(6) Remove the waterproof seal [16].
(7) Remove the waterproof cover attachment bolts [15], and remove the waterproof cover [14].
(8)	Loosen the attachment bolts [5] and remove the spacers [3], gap adjusting shims [4], attachment bolts [5], fixed plate[6]as a set. When removing the attachment bolts [5] make certain not to omit the gap adjustment shims [4].
(9)	The gap adjusting shims [4] have a thickness of 0.2 - 0.25 mm. Reduce the number of shims according to the wear
conditions, then reassemble the spacers [3], gap adjustment shims [4], attachment bolts [5] and the fixed plate [6] as a set.
(10) Check the gap G, and readjust the shims if there is a large difference between it and the required value.
(11)	Attach the waterproof cover [14] using the attachment bolts [15]. Attach the waterproof cover [14] so that the gap (A)between its hole and the motor shaft [24] is nearly uniform.
(12) Clean the surface of the waterproof seal [16] to remove impurities.
(13)	As shown in the construction drawings, install the waterproof seal [16] between the stationary core [22] and thewaterproof cover [14]. Then attach the brake release [19]. Insert the waterproof seal [16] with its arrow mark pointing
toward the load side. Align the hole in the waterproof seal [16] for the release bolt with the position of release bolt [17].
Attach the waterproof seal [16] so that its protrusion fits snuggly around the entire circumference of the groove for thestationary core [22]. Otherwise water could leak in.
(14) Turn the power on and off to check brake action.
(15)	Attach the V-ring [8]. Wipe off the lip and surface near the lip of V-ring [8], lightly coat the lip surface with grease, andattach. Observe the attaching dimension (B = 4.5mm).
(16)	Attach the fan [7] and cover [13]. Use a fan set screw [9] coated with Three Bond TB2365 (Sumitomo part number
EW445WW-01), and tighten to a torque of 0.85 - 1.05 N·m. Finally, attach the brake release bolt [17] and the manual
release prevention spacer [18].

398. Daily Inspection and Maintenance■ FB-1E (Outdoor Type)
12

11

10

9

8

7

6

5

4

3

2

1

22
23
24
25

26

Ｇ
X

13

14

15

16

17

18

19

20

21

Details for X

Figure 8-9- Gap Inspection

Code
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24

Part Name
Stationary core
Brake release
Seal washer
Manual release prevention spacer
Brake release bolt
Spacer
Gap adjusting shims
Attachment bolt
Brake Lining
Leaf spring
Boss
Shaft-retaining C-ring
Cover
Shaft-retaining C-ring
Fan
Fixed plate
Armature plate
SpringElectromagnetic coil
Ball bearings
Motor shaft
Waterproof seal
V-ringWaterproof cover attachment bolts

25
26

Waterproof cover
Shock absorber

Gap Value G (mm)(1)	Remove the brake release bolt [5] and the manual release prevention spacer
Required value[4].
Limit value(original value)(2) Remove the cover [13].
(3) Remove the shaft-retaining C-ring [14], and remove the fan [15].
0.25 - 0.35
0.6(4)	Remove the brake release [2] (2 locations) and remove the waterproof seal [22].
(5)	Insert a gap gauge between the stationary core [1] and the armature plate [17] and measure the gap. Measure in 3 locations aroundthe circumference.
(6) Adjustment is required if the gap value is close to the limit.
Ｂ(Gap adjustment shim thickness is approximately 0.2 - 0.25 mm. Adjustment cannot be made at a lower value.)Ａ- Gap Adjustment(1) Remove the brake release bolt [5] and the manual release prevention spacer [4].
(2) Remove the cover [13].
(3) Remove the shaft-retaining C-ring [14], and remove the fan [15].
(4) Pull off the V-ring [23].
(5) Remove the brake release [2] (2 locations) and remove the waterproof seal [22].
(6) Remove the waterproof cover attachment bolts [24], and remove the waterproof cover [25].
(7)	Loosen the attachment bolts [8] and remove the spacers [6], gap adjustment shims [7], attachment bolts [8] and fixedplate [16] as a set. When removing the attachment bolts [8] make certain not to omit the gap adjustment shims [7] or the shock
absorber [26].
(8)	The gap adjustment shims [7] have a thickness of 0.2 - 0.25 mm. Reduce the number of shims according to the wear conditions, thenreassemble the spacers [6], gap adjustment shims [7], attachment bolts [8] and the fixed plate [16] as a set.
(9) Check the gap G, and readjust the shims if there is a large difference between it and the required value.
(10)	Attach the waterproof cover [25] using the waterproof cover attachment bolts [24]. At this time align the cutout area on the side of
the waterproof cover [25] with the brake release bolt [5]. Attach the waterproof cover [25] so that the gap (A) between its hole andthe motor shaft [21] is nearly uniform.
(11) Clean the surface of the waterproof seal [22] to remove impurities.
(12)	As shown in the construction drawings, install the waterproof seal [22] between the stationary core [1] and the waterproof cover [25].
Then attach the brake release [2]. Insert the waterproof seal [22] with its arrow mark pointing toward the load side. Align the hole in
the waterproof seal [22] for the brake release bolt with the position of the release bolt [5]. Attach the waterproof seal [22] so that its
protrusion fits snuggly around the entire circumference of the groove for the stationary core [1]. (Be careful that the waterproof seal [22]does not meander. Otherwise water could leak in.)(13) Turn the power on and off to check brake action.
(14)	Attach the V-ring [23]. Wipe off the lip and surface near the lip of the V-ring [23], lightly coat the lip surface with grease, and attach.
Observe the attaching dimension (B = 6mm).
(15) Attach the fan [15], shaft-retaining C-ring [14] and cover [13].
(16) Finally, attach the brake release bolt [5] and the manual release prevention spacer [4].

40

8. Daily Inspection and Maintenance■ FB-1HE, 2E (Outdoor Type)26
X

Details for X

Figure 8-10

CodePart Name

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23

Stationary core
Brake release
Seal washer
Manual release prevention spacer
Brake release bolt
Spacer
Gap adjusting shims
Attachment bolt
Brake Lining
Leaf spring
Boss
Shaft-retaining C-ring
Cover
Shaft-retaining C-ring
Fan
Fixed plate
Armature plate
SpringElectromagnetic coil
Ball bearings
Motor shaft
Waterproof seal
V-ringWaterproof cover attachment
bolts
Waterproof cover
Shock absorber

24
25
26

- Gap Inspection(1)	Remove the brake release bolt [5] and the manual release prevention spacer [4].
Gap Value G (mm)(2) Remove the cover [13].
Required value(3) Remove the shaft-retaining C-ring [14], and remove the fan [15].
Limit value(original value)(4)	Remove the brake release [2] (2 locations) and remove the waterproof seal [22].
(5)	Insert a gap gauge between the stationary core [1] and the armature plate [17] and0.25 - 0.35
0.75
measure the gap. Measure in 3 locations around the circumference.
(6) Adjustment is required if the gap value is close to the limit.
Ｂ(Gap adjustment shim thickness is approximately 0.35 - 0.45mm. Adjustment cannot be made at a lower value.)Ａ- Gap Adjustment(1) Remove the brake release bolt [5] and the manual release prevention spacer [4].
(2) Remove the cover [13].
(3) Remove the shaft-retaining C-ring [14], and remove the fan [15].
(4) Pull off the V-ring [23].
(5) Remove the brake release [2] (2 locations) and remove the waterproof seal [22].
(6) Remove the waterproof cover attachment bolts [24], and remove the waterproof cover [25].
(7)	Loosen the attachment bolts [8] and remove the spacers [6], gap adjustment shims [7], attachment bolts [8] and fixed plate [16]as a set. When removing the attachment bolts [8] make certain not to omit the gap adjustment shims [7] or the shock absorber [26].
(8)	The gap adjustment shims [7] have a thickness of 0.35 - 0.45mm. Reduce the number of shims according to the wear conditions, thenreassemble the spacers [6], gap adjustment shims [7], attachment bolts [8] and the fixed plate [16] as a set.
(9) Check the gap G, and readjust the shims if there is a large difference between it and the required value.
(10)	Attach the waterproof cover [25] using the waterproof cover attachment bolts [24]. At this time align the cutout area on the side of thewaterproof cover [25] with the brake release bolt [5]. Attach the waterproof cover [25] so that the gap (A) between its hole and the motor shaft[21] is nearly uniform.
(11) Clean the surface of the waterproof seal [22] to remove impurities.
(12)	As shown in the construction drawings, install the waterproof seal [22] between the stationary core [1] and the waterproof cover [25]. Then
attach the brake release [2]. Insert the waterproof seal [22] with its arrow mark pointing toward the load side. Align the hole in the waterproof
seal [22] for the brake release bolt with the position of the release bolt [5]. Attach the waterproof seal [22] so that its protrusion fits snuggly
around the entire circumference of the groove for the stationary core [1]. (Be careful that the waterproof seal [22] does not meander. Otherwise
water could leak in.)(13) Turn the power on and off to check brake action.
(14)	Attach the V-ring [23]. Wipe off the lip and surface near the lip of the V-ring [23], lightly coat the lip surface with grease, and attach. Observe
the attaching dimension (B = 6mm).
(15) Attach the fan [15], shaft-retaining C-ring [14] and cover [13].
(16) Finally, attach the brake release bolt [5] and the manual release prevention spacer [4].

41

8. Daily Inspection and Maintenance■ FB-3E and 4E (Outdoor type)
11

10

9

8

7

6

5

4

3

2

1

21
22
23
24

25

Ｇ

X

12

13

14

15

16

17

18

19

Figure 8-11

20
Details for X

Code
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25

- Gap Inspection

Part Name
Stationary core
Brake release
Manual release prevention spacer
Brake release bolt
Spacer
Gap adjusting shims
Attachment bolt
Brake Lining
Leaf spring
Boss
Shaft-retaining C-ring
Cover
Shaft-retaining C-ring
Fan
Fixed plate
Armature plate
SpringElectromagnetic coil
Ball bearings
Motor shaft
Waterproof seal
V-ringWaterproof cover attachment
bolts
Waterproof cover
Shock absorber

Ａ(1) Remove the brake release bolt [4] and the manual release prevention spacer [5].
Gap Value G (mm)(2) Remove the cover [12].
Required value(3) Remove the shaft-retaining C-ring [13] and the fan [14].
Limit value(original value)(4) Remove the brake release [2] (2 locations) and remove the waterproof seal [21].
0.25 - 0.35
0.85(5)	Insert a gap gauge between the stationary core [1] and the armature plate [16]and measure the gap. Measure in 3 locations around the circumference.
Ｂ(6)	Adjustment is required if the gap value is close to the limit.
(Gap adjustment shim thickness is approximately 0.45 - 0.55mm. Adjustment cannot be made at a lower value.)- Gap Adjustment(1) Remove the brake release bolt [4] and the manual release prevention spacer [5].

(2) Remove the cover [12].
(3) Remove the shaft-retaining C-ring [13] and the fan [14].
(4) Pull off the V-ring [22].
(5) Remove the brake release [2] (2 locations) and remove the waterproof seal [21].
(6) Remove the waterproof cover attachment bolts [23], and remove the waterproof cover [24].
(7)	Loosen the attachment bolts [7] and remove the spacers [5], gap adjustment shims [6], attachment bolts [7] and fixed plate [15] as a set. Whenremoving the attachment bolts [7] make certain not to omit the gap adjustment shims [6] or the shock absorber [25].
(8)	The gap adjustment shims [6] have a thickness of 0.45 - 0.55 mm. Reduce the number of shims according to the wear conditions, thenreassemble the spacers [5], gap adjustment shims [6], attachment bolts [7] and fixed plate [15] as a set.
(9) Check the gap G, and readjust the shims if there is a large difference between it and the required value.
(10)	Attach the waterproof cover [24] using the waterproof cover attachment bolts [23]. At this time align the cutout area on the side of thewaterproof cover [24] with the brake release bolt [4]. Attach the waterproof cover [24] so that the gap (A) between its hole and the motor
shaft [20] is nearly uniform.
(11) Clean the surface of the waterproof seal [21] to remove impurities.
(12)	As shown in the construction drawings, install the waterproof seal [21] between the stationary core [1] and the waterproof cover [24]. Then
attach the brake release [2]. Align the hole in the waterproof seal [21] for the brake release bolt with the position of the release bolt [4]. Attach
the waterproof seal [21] so that its protrusion fits snuggly around the entire circumference of the groove for the stationary core [1]. (Be carefulthat the waterproof seal [21] does not meander. Otherwise water could leak in.)(13) Turn the power on and off to check brake action.
(14)	Attach the V-ring [22]. Wipe off the lip and surface near the lip of the V-ring [22], lightly coat the lip surface with grease, and attach. Observe
the attaching dimension (B = 6mm).
(15) Attach the fan [14], shaft-retaining C-ring [13] and cover [12].
(16) Finally, attach the brake release bolt [4] and the manual release prevention spacer [3].

42

8. Daily Inspection and Maintenance■ FB-5E and 8E (Outdoor type)
11 10

9

8

7

6

5

4

3

2

1

23
24
25
26

Ｇ

14 15 16 17 18 19 20

21 22

Figure 8-12-

Part Name

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24

Stationary core
Brake release
Seal washer
Manual release prevention spacer
Brake release bolt
Stud bolt
Adjusting washer
Spring washer
Gap adjusting nut
Brake Lining
Leaf spring
Boss
Shaft-retaining C-ring
Cover
Shaft-retaining C-ring
Fan
Fixed plate
Armature plate
SpringElectromagnetic coil
Ball bearings
Motor shaft
Waterproof seal
V-ringWaterproof cover attachment
bolts
Waterproof cover

25
26

Gap Inspection

Gap Value G (mm)(1)	Remove the brake release bolt [5] and the manual release
Required value
prevention spacer [4].
(original value)(2) Remove the cover [14].
(3) Remove the shaft-retaining C-ring [15] and the fan [16].
0.35 - 0.45(4)	Remove the brake release [2] (2 locations) and remove thewaterproof seal [23].
(5)	Insert a gap gauge between the stationary core [1] and the armatureplate [18] and measure the gap. Measure in 3 locations around the circumference.
(6) Adjustment is required if the gap value is close to the limit.

-

Limit value
1.0

Ｂ

Ａ

13 12

Code

Gap Adjustment(1) Remove the brake release bolt [5] and the manual release prevention spacer [4].

(2) Remove the cover [14].
(3) Remove the shaft-retaining C-ring [15] and the fan [16].
(4) Pull off the V-ring [24].
(5) Remove the brake release [2] (2 locations) and remove the waterproof seal [23].
(6) Remove the waterproof cover attachment bolts [25], and remove the waterproof cover [26].
(7)	Insert a gap gauge between the stationary core [1] and the armature plate [18] and rotate to the right the gap
adjusting nuts [9] that are attached to ends of the stud bolts [6]. If the gap is large, and adjustments are not possible,
decrease the number of adjustment washers [7]. There are 3 adjusting nuts [9]. Adjust these in turn so that 3 positions
on the circumference are uniformly at the required gap.
(8)	Attach the waterproof cover [26] using the waterproof cover attachment bolts [25]. At this time align the cutout areaon the side of the waterproof cover [26] with the brake release bolt [5]. Attach the waterproof cover [26] so that thegap (A) between its hole and the motor shaft [22] is nearly uniform.
(9) Clean the surface of the waterproof seal [23] to remove impurities.
(10)	As shown in the construction drawings, install the waterproof seal [23] between the stationary core [1] and thewaterproof cover [26]. Then attach the brake release [2]. Align the hole in the waterproof seal [23] for the brakerelease bolt with the position of the release bolt [5]. Next, attach along the machined surfaces around the stationary
core [1]. Be careful that the waterproof seal [23] does not meander. Otherwise water could leak in.)(11) Turn the power on and off to check brake action.
(12)	Attach the V-ring [24]. Wipe off the lip and surface near the lip of the V-ring [24], lightly coat the lip surface withgrease, and attach. Observe the attaching dimension (B = 6mm).
(13) Attach the fan [16], shaft-retaining C-ring [15] and cover [14].
(14) Finally, attach the brake release bolt [5] and the manual release prevention spacer [4].

43

8. Daily Inspection and Maintenance
8-5 Changing the Brake Lining
If the following conditions occur, ask the nearest authorized service station to exchange the brakelinings with new ones.

(1) FB-01A1 - 05A1
When the brake gap still reaches the limit after the gap adjustment (see P32 and P38)

(2) FB-1D, 1E - 8E
When the thickness of brake lining reaches the use limit thickness in Table 8-4
Table 8-4 Brake Lining Dimensions
Brake type

Brake Lining
Dimension drawing

Original thickness

Usable Thickness Limitt0 (mm)t0 (mm)t0

7.0

FB-01A1, 02A1, 05A1
FB-1D

−
6.0

FB-1E

8.8

7.8

FB-1HE, 2E

9.0

8.0

FB-3E, 4E

10.4

8.4

10

6.0

t0
FB-5E, 8E

t1

t0

t1

- 	Brake torque may not be at the prescribed level during initial operation. In such case, turn motor andbrake power on and off under the lightest possible load, to rub the brake lining friction surfaces.
-	 When changing the brake lining, change the boss and leaf springs (for FB-5E, 8E, include the gap
adjusting nuts) as a set.
-	 After 2 million or more cycles of operation, or after 10 years or more have passed since shipment fromthe factory, inspect to check whether continued operation is possible, even if the lining is not at the
usable thickness limit.
- Check the following items concerning the condition of each mechanical part.
Are the linings split or chipped?
Is there any peeling or gap between the lining and the disc?
Does the lining spline unit exhibit any cracking, chipping, or stepped wear?
Is there any stepped wear on the surfaces around the stud bolts or armature plate?
-	 Change the brake lining, even if it has not reached the usable thickness limit, if 10 or more years
have elapsed since the manufacturing date and the brake is used outdoors or in a high-humidity
environment, or if it is stored or rested for a long period of time.

8-6 Changing the V-Ring and Waterproof Seal (Outdoor Type)V-rings and waterproof seals degrade over the years, losing their waterproofing abilities. As a guideline
contact the nearest authorized service station every 3 years. If the sliding surfaces of oil seals or V-rings
show signs of wear or corrosion, replace them with new ones. Sliding surfaces are made of carbon steel,so rain water, condensation and other factors could cause rust to form and spread. Because this could
lead to oil seal damage, take on-going rust prevention measures.

44

8. Daily Inspection and Maintenance
8-7 Manually Releasing the Brake■ FB-1D, 1E - 8E(FB-01A1 - 05A1 are options)

To manually release the brake with the power off, operate the brake release mechanism as shown
below.
(1) First remove the brake release bolts from the 2 opposing angles and remove the release prevention
spacers. Reinsert the bolts and rotate with a hexagonal wrench to release the brake. Be careful not toover rotate the brake release bolts. (Rotate the brake release bolts while checking to see if the brakeis released. (See Figures 8-13, 8-14)(2)	After releasing the brake, to return it to its original condition, for safety, return the manual releaseprevention spacers that were removed inBrake type
Bolt size(1) to their original positions. (See Figure
FB-01A1, 02A1, 05A1, 1D
M5
8-14)
FB-1E, 1HE, 2E
M6(3)	This table show brake release bolt sizes.
FB-3E, 4E
M8
FB-5E, 8E
M10
Waterproof seal

Brake release bolt
Manual release prevention spacer

Brake release bolt

Waterproof cover

When released
Figure 8-13

When operating
Figure 8-14

Note: Indoor types do not come with waterproof seals or waterproof covers.

■ One-Touch Release Lever Type (Optional)

Do the following to release the brake using the one-touch release lever type.
All you need to do to release the brake is push the release lever over. (See Figure 8-15)(1)	To release the brake, pull the release lever out of the holder, and push it toward the load or anti-loadside. (Some specifications do not allow pushing the release lever toward the load side.)Be careful not to push the lever too far. Pushing the lever too far could damage the brake. (Push therelease lever while checking to see if the brake is released.)(2)	When operating the motor make certain to return the lever to its original position and set it inside
the holder. Start operation after confirming that the brake operates properly.

When operating

When brake ismanually released

Other than premium efficiency motor

Premium efficiency motor

Figure 8-15

45

Common 9. Troubleshooting
If any abnormal condition occurs, refer to Table 9-1, 9-2 and promptly take appropriate measures. If
these actions do not remedy the issue, immediately contact the nearest authorized service station.
Table 9-1 Troubleshooting
Problem

The motor will not operate under no load

Cause

Contact the electric power company.

Defective electric circuit

Check the circuit.

Blown fuse

Replace the fuse.

Protective device is engaged

Fix the problem and recover.

Load locking

Check the load and safety device.

Poor switch contact

Adjust the contact unit.

Motor stator coil disconnect

Confer with authorized service station.

Bearing damage

Confer with authorized service station.
Check the power supply with a voltmeter.
Check the motor, transformer coil,contactor, fuse, etc. and repair or replace
them.
Request brake cleaning from an
authorized service station.
Re-adjust brake gap.
(See P32 - 43)

3-phase is functioning as single-phase

Friction surface of brake is corroded
Incorrect brake gap adjustment

When a load is applied

The slow speed shaft turns with no load

The motor rotates without a load but the Damage to gear unit due to overloading
slow speed shaft does not rotate.
of gears, etc.
Insufficient switch capacity
The switch overheats
Overload
Fuse tripping

The motor runs in the reverse
direction.
Fuse tripping

Excessive temperature rise

Grease leaks

Blot or drip of a small amount ofoil or grease at seal section of highspeed or slow speed shaft.
Leakage of grease from high speed
or slow speed shaft section
Leakage of grease from the contact
surfaces of frame size and casing,etc.
Leakage of grease into motor

Confer with authorized service station.
Replace with specified fuse.
Decrease the load to the specified value.

Insufficient fuse capacity

Replace with specified fuse.

Overload

Decrease the load to the specified value.

Voltage drop

Contact the electric power company.

The speed will not increase andOverload
the motor is overheating.
Short-circuited motor stator coil
It stops.

Correction

Power failure

Decrease the load to the specified value.
Confer with authorized service station.

The key is not inserted

Insert key.

Bearing seized

Confer with authorized service station.

Poor adjustment of protection device

Adjust the protection device.

Wiring error

Change the connection.

The lead wire is short circuited.

Confer with authorized service station.

Poor contact between motor and starter

Make good connection.

Overload

Decrease the load to the specified value.

Voltage drop or riseContact the electric power company.

The ambient temperature is highImprove the ventilation method.

Damaged bearing
Abnormal wear of reducer parts due tooverload. etc.

Confer with authorized service station.
Confer with authorized service station.

Grease applied to the oil seal seeps out at
first.

Wipe off around the oil seal, and observe.

Damaged oil seal or maybe damaged
shaft (or collar)

Confer with authorized service station.

Loose fastener bolts

Tighten fastener bolts correctly.

Oil seal damage

Confer with authorized service station.

46

9. Troubleshooting Common
Table 9-2 Troubleshooting
ProblemAbnormal sound
Excessive vibration

Abnormal motor sounds

Does not activate

Brake is ineffective

Slips(Braking takes a long time)

Overcurrent shut-off

Cause

Correction

Dust and foreign matter in bearings, or
damaged bearings

Confer with authorized service station.

Reducer parts grinding on foreign matter

Confer with authorized service station.

Reducer parts are damaged

Confer with authorized service station.

Warping of housing because theinstallation surface is not flat

Make the installation base flat or makeadjustment using liners, etc.

Resonance due to insufficient rigidity of
the installation baseReinforce the installation base to increase
rigidity.

Nonalignment of shaft with driven
machineAlign the shaft centers.

Transmission of vibration from thedriven machine

Individually operate the product tocheck the source of the sound.

Foreign objects have enteredConfer with authorized service station.

Bearing damage

Confer with authorized service station.

Improper brake gap adjustment

Adjust the brake gap.
(See P32 - 43)

Brake lining wear

Request brake lining replacement froman authorized service station.

Brake unit electromagnetic coil burnout

Confer with authorized service station.

Rectifier damage

Confer with authorized service station.

A leaf spring in the brake boss unit hascome off or is damaged

Confer with authorized service station.

Forgot to restore the brake release bolt
to its original position

Restore the release bolt.

Improper adjustment after disassembly

Request authorized service station tore-adjust.

Not using the quick braking circuit

Change to quick braking circuit.
(See P20 - 25)

Foreign objects or oil adhesion in brakelining unit

Request cleaning from authorized
service station.

Brake lining wear

Adjust the brake gap.
Request brake lining replacement froman authorized service station.

Brake gap not uniform

Adjust the brake gap.

Overload

Decrease the load to the specified value.

Brake release bolt not sufficiently
restored

Restore the release bolt.

Sudden speed changes

Increase the time for speed changes.

Extreme load fluctuation

Decrease load fluctuation.

Inverter Tripping

Overcurrent due to ground
Ground fault on output side
fault

Take measures to prevent ground fault.

Direct current overcurrent

Take measures to prevent short.
Inspect wiring.

Short on output side

Regenerative overvoltage
Sudden speed reduction
shut-off

Increase the time for speed reduction.
Decrease brake frequency.

Thermal operation

Decrease the load to the specified value.

Overload47

10. Construction Drawings
10-1 Gear Unit Construction Drawings (Single Reduction, Double Reduction)

Figure 10-1 Type CNHM (Horizontal, Gearmotor), Single
Reduction (Ex.: Frame size 6095)

Figure 10-2 Type CNHM (Horizontal, Gearmotor),
Double Reduction (Ex.: Frame size 6125DB)

48

Table10-1	Gear Unit, Principal
Parts Single
Reduction, Double
Reduction
CodePart Name
Slow speed shaft
1(Output shaft)
2
Key
3
Collar4
Oil seal
5
Horizontal casing
Slow speed shaft
6
bearing B
High speed shaft
7
bearing A
8Slow speed shaft pin
9
Frame size
10 Slow speed shaft roller
11 Key12 Oil slinger
13 Motor
14 Counter weight
15 Cycloid disc
16 Gasket
17 Ring gear pin
18 Eccentric cam
19 Spacer ring
Slow speed shaft
20
bearing A
Intermediate shaft
21
bearing A
22 Spacer ring
23 Ring gear roller
24 Intermediate coverIntermediate shaft
25
bearing B
26 Intermediate shaft

10. Construction Drawings

Figure 10-3 Type CNH (Horizontal, Reducer), Single
Reduction (Ex.: Frame size 6105)

Figure 10-4 Type CNH (Horizontal, Reducer), Double
Reduction (Ex.: Frame size 6125DB)

49

Table10-2	Gear Unit, Principal
Parts Single
Reduction, Double
Reduction
CodePart Name
Slow speed shaft
1(Output shaft)
2
Key
3
Collar4
Oil seal
5
Horizontal casing
Slow speed shaft
6
bearing B
High speed shaft
7
bearing A
8Slow speed shaft pin
9
Frame size
10 Slow speed shaft roller
11 Key14 Counter weight
15 Cycloid disc
16 Gasket
17 Ring gear pin
18 Eccentric cam
19 Spacer ring
Slow speed shaft
20
bearing A
Intermediate shaft
21
bearing A
22 Spacer ring
23 Ring gear roller
24 Intermediate coverIntermediate shaft
25
bearing B
26 Intermediate shaft
27 Internal coverHigh speed shaft
28
bearing B
29 Oil seal
30 Collar
31 Key32 High speed shaft
33 Spacer ring

Common 10. Construction Drawings
10-2 Gear Unit Construction Drawings (SK Series)
1

2

3

4

5

6

7

8

9 10 11 12 13 14 15 16

28 27 26 25 24 23 22 21 20 19 18 17

Figure 10-5 Type CHHM (6000SK Series Horizontal,
Gearmotor) (Ex.: Frame size 6075SK)

1

2

3

4

5

6

7

8

9 10 11 12 13 14 15

29
26
30
31

17

15

18

14

19

13

20

12

21

11

22

10
9

23
24

8

25

7

26

6

27

5

28

4

32

3

33

2

16

1

18
34
35

28 27

16

Figure 10-6 Type CVVM
(6000SK Series Vertical, Gearmotor)(Ex.: Frame size 6075SK)

25 24 23 22 21 20 19

Figure 10-7 Type CHH (6000SK Series Horizontal,
Reducer) (Ex.: Frame size 6075SK)
Table 10-3 Gear Unit, Principal Parts (SK Series)
CodePart Name
Slow speed shaft (Output
shaft)

Code

2

Key

11

3
4
5
6
7
8

Oil seal
Horizontal casing
Slow speed shaft bearing Ａ
Second stage gear
Key
Slow speed shaft bearing B

9

Plug

1

Code

Part Name

CodePart Name

19

First stage pinion

28

Mid speed shaft bearing A

20

Hexagon socket head bolt

29Internal cover

12
13
14
15
16
17

Part Name
Hexagon socket
head bolt
Hexagon socket
head bolt
Bearing plate
Adaptor plate
Liquid gasket
Plug
Key
Motor

21
22
23
24
25
26

30
31
32
33
34
35

High speed shaft bearing B
Oil seal
KeyHigh speed shaft
Snap ring
Hexagon socket head bolt

18

Oil slinger

27

Snap ringFirst stage gearKey
Mid speed shaft bearing Ｂ
PinHigh speed shaft bearing A
Second stage pinion(Mid speed shaft)

1050

10. Construction Drawings
10-3 Motor Unit Construction Drawing (CYCLO, Direct Coupling)

Figure 10-8 Example of Construction of 80−112M Frame Size

51

Table10-4	Principal Parts of
Motor
Code
Part Name
1
Motor shaft bearing B
2
Fan3
Fan cover4
Anti-load side cover5
Rotor conductor
6
Rotor core
7
Stationary core
8
Frame
9
Stationary coil
10
Motor flange bracket
11
Oil seal
12
Motor shaft bearing A
13
Motor shaft
14
Terminal box

Common 11 Warranty
The scope of our warranty for our products is limited to the range of our manufacture.
Warranty (period and contents)
Warranty
PeriodThe warranty period for the products shall be earlier, 18 months after the shipment of the
products from the seller’s factory, or 12 months after starting operation, whichever is first.

Warranty
Conditions

In the event that any problem or damage to the Product arises during the "Warranty
Period" from defects in the Product whenever the Product is properly installed andcombined with the Buyer's equipment or machines, maintained as specified in themaintenance manual, and properly operated under the conditions described in the
catalog or as otherwise agree upon in writing between the Seller and the Buyer or its
customers; the Seller will provide, at its sole discretion, appropriate repair or replacementof the Product, without charge, at a designted facility, except as stipulated in the"Warranty Exclusions" described below.
However, if the Product is installed or integrated into the Buyer's equipment or machines,
the Seller shall not reimburse the cost of: removal or re-installation of the Product or otherincidental costs related thereto, any lost opportunity, any profit loss or other incidental orconsequential losses or damages incurred by the Buyer or its customers.

Warranty
Exclusions

Notwithstanding the above warranty, the warranty as set forth herein shall not apply to
any problem or damage to the Product that is caused by:
1.	installation, connection, combination or integration of the Product in or to the otherequipment or machine that is rendered by any person or entity other than the Seller;
2. insufficient maintenance or improper operation by the Buyer or its customers, suchthat the Product is not maintained in accordance with the maintenance manual
provided or designated by the Seller;
3.	improper use or operation of the Product by the Buyer or its customers that is not
informed to the Seller, including, without limitation, the Buyer’s or its customers’
operation of the Product not in conformity with the specifications, or use of
lubricating oil in the Product that is not recommended by the Seller;
4.	Any problem or damage to any equipment or machine to which the Product isinstalled, connected or combined, or on any specifications particular to the Buyer or
its customers;
5.	Any changes, modifications, improvements or alterations to the Product or thosefunctions that are rendered on the Product by any person or entity other than the
Seller;
6. Any parts in the Product that are supplied or designated by the Buyer or its customers;
7. Earthquake, fire, flood, sea-breeze, gas, thunder, acts of God or any other reasons
beyond the control of the Seller;
8.	Normal wear and tear, or deterioration of the Product’s parts, such as bearings, oilseals;
9. Any other troubles, problems or damage to the Product that are not attributable to
the Seller.

52

Worldwide Locations
U.S.A
Sumitomo Machinery Corporation of America(SMA)
4200 Holland Blvd. Chesapeake, VA 23323, U.S.A.
TEL (1)757-485-3355 FAX (1)757-485-7490
CanadaSM Cyclo of Canada, Ltd. (SMC)
1453 Cornwall Road, Oakville, Canada ON L6J 7T5
TEL (1)905-469-1050 FAX (1)905-469-1055
MexicoSM Cyclo de Mexico, S.A. de C.V. (SMME)
Av. Desarrollo 541, Col. Finsa, Guadalupe,
Nuevo León, México, CP67132
TEL (52)81-8144-5130 FAX (52)81-8144-5130
BrazilSumitomo Industrias Pesadas do Brasil Ltda.
(SHIB)
Rodovia do Acucar (SP-075) Km 26
Itu, Sao Paulo, Brasil
TEL (55)11-4886-1000 FAX (55)11-4886-1000
Chile
SM-Cyclo de Chile Ltda. (SMCH)
San Pablo 3507, Quinta Normal, Santiago, Chile
TEL (56)2-892-7000
FAX (56)2-892-7001
Argentina
SM-Cyclo de Argentina S.A. (SMAR)
Ing. Delpini, 2236 Area de Promocion el Triangulo,
Partido Malvinas Argentinas Grand Bourg,
Buenos Aires, Argentina B1615KGB
TEL (54)3327-45-4095 FAX (54)3327-45-4099
GuatemalaSM Cyclo de Guatemala Ensambladora, Ltda.
(SMGT)
Parque Industrial Unisur, 0 Calle B 19-50 Zona 3,
Bodega D-1 Delta Bárcenas en Villa Nueva, Guatemala
TEL (502)6648-0500 FAX (502)6631-9171
Colombia
SM Cyclo Colombia, S.A.S. (SMCO)
Carrera 11, No.93A-53, Office 203, Bogotá, Colombia
TEL (57)1-3000673
Germany
Sumitomo (SHI) Cyclo Drive Germany GmbH
(SCG)
Cyclostraße 92, 85229 Markt Indersdorf, Germany
TEL (49)8136-66-0
FAX (49)8136-5771
Austria
Sumitomo (SHI) Cyclo Drive Germany GmbH(SCG)SCG Branch Austria Office
Gruentalerstraße 30A, 4020 Linz, Austria
TEL (43)732-330958 FAX (43)732-331978

FranceSM-Cyclo France SAS (SMFR)
8 Avenue Christian Doppler, 77700 Serris, France
TEL (33)164171717
FAX (33)164171718
Italy
SM-Cyclo Italy Srl (SMIT)
Via dell' Artigianato 23, 20010 Cornaredo (MI), Italy
TEL (39)293-481101 FAX (39)293-481103
Spain
SM-Cyclo Iberia, S.L.U. (SMIB)
C/Landabarri No. 3, 6° B, 48940 Leioa, Vizcaya, SpainTEL (34)9448-05389 FAX (34)9448-01550
SwedenSM-Cyclo Scandinavia AB (SMSC)
Industrigatan 21B, 234 35 Lomma, Sweden
TEL (46)40220030
United Kingdom
SM-Cyclo UK Ltd. (SMUK)Unit 29, Bergen Way, Sutton Fields Industrial Estate,
Kingston upon Hull, HU7 0YQ, East Yorkshire,
United Kingdom
TEL (44)1482-790340 FAX (44)1482-790321
TurkeySM Cyclo Turkey Güç Aktarım Sis. Tic. Ltd. Sti.
(SMTR)
Büyükdere Çayırbaşı Cd. Dede Yusuf Sk. No: 11,34453 Sarıyer Istanbul, Turkey
TEL (90)216-384-4482 FAX (90)216-384-4482
China
Sumitomo (SHI) Cyclo Drive China, Ltd. (SCT)
11F, SMEG Plaza, No. 1386 Hongqiao Road,
Changning District, Shanghai, China (P.C. 200336)
TEL (86)21-3462-7877 FAX (86)21-3462-7922
Hong Kong
SM-Cyclo of Hong Kong Co., Ltd. (SMHK)
Rm 1301, CEO Tower, 77 Wing Hong Street,
Cheung Sha Wan, Kowloon, Hong Kong
TEL (852)2460-1881 FAX (852)2460-1882
Korea
Sumitomo (SHI) Cyclo Drive Korea, Ltd. (SCK)Royal Bldg. 9F Rm. 913, 5 Danju-Dong, Chongro-Ku,
Seoul, Korea 110-721
TEL (82)2-730-0151
FAX (82)2-730-0156
TaiwanTatung SM-Cyclo Co., Ltd. (TSC)
22 Chungshan N. Road 3rd., Sec. Taipei, Taiwan 104,
R.O.C.
TEL (886)2-2595-7275 FAX (886)2-2595-5594

Singapore
Sumitomo (SHI) Cyclo Drive Asia Pacific Pte.
Ltd. (SCA)
15 Kwong Min Road, Singapore 628718
TEL (65)6591-7800
FAX (65)6863-4238
Philippines
Sumitomo (SHI) Cyclo Drive Asia Pacific Pte.
Ltd. (SCA)
Philippines Branch Office
B2B Granville Industrial Complex, Carmona,
Cavite 4116, Philippines
TEL (63)2-584-4921
FAX (63)2-584-4922
TEL (63)46-430-3591
TEL (63)46-438-20579 - 81
Vietnam
SM-Cyclo (Vietnam) Co., Ltd. (SMVN)
Factory 2B, Lot K1-2-5, Road No. 2-3-5A,
Le Minh Xuan Industrial Park, Binh Chanh Dist.,
HCMC, Vietnam
TEL (84)8-3766-3709 FAX (84)8-3766-3710
Malaysia
SM-Cyclo (Malaysia) Sdn. Bhd. (SMMA)
No.7C, Jalan Anggerik Mokara 31/56, Kota Kemuning,
Seksyen 31, 40460 Shah Alam, Selangor Darul Ehsan,
Malaysia
TEL (60)3-5121-0455 FAX (60)3-5121-0578
Indonesia
PT. SM-Cyclo Indonesia (SMID)
Jalan Sungkai Blok F 25 No. 09 K, Delta Silicon 5,
Lippo Cikarang, Bekasi 17530, Indonesia
TEL (62)21-2961-2100 FAX (62)21-2961-2211
Thailand
SM-Cyclo (Thailand) Co., Ltd. (SMTH)
1 Empire Tower, Unit 2103-4, 21st Floor, South Sathorn
Road, Yannawa, Sathorn, Bangkok 10120, Thailand
TEL (66)2670-0998
FAX (66)2670-0999
Australia
Sumitomo (SHI) Hansen Australia Pty. Ltd.
(SHAU)
181 Power St, Glendenning, NSW 2761, Australia
TEL (61)2-9208-3000 FAX (61)2-9208-3050
India
Sumi-Cyclo Drive India Private Limited(SMIN)
Survey No. 130, Hissa No. 02, Jeevan Nagar,
Off Mumbai-Bangalore Bypass, Tathawade,
Pune - 411033, India
TEL (91)20-6674-2900 FAX (91)20-6674-2901
Japan
Sumitomo Heavy Industries, Ltd. (SHI)
ThinkPark Tower, 1-1 Osaki 2-chome, Shinagawa-ku,
Tokyo 141-6025, JapanTEL (81)3-6737-2511 FAX (81)3-6866-5160

Belgium
Sumitomo (SHI) Cyclo Drive Germany GmbH(SCG)SCG Branch Benelux OfficeHeikneuterlaan 23, 3010 Kessel-Lo, Leuven, Belgium
TEL (32)16-60-83-11 FAX (32)16-60-16-39

Specifications, dimensions, and other items are subject to change without prior notice.

Power Transmission & Controls Group
Headquarter ThinkPark Tower, 1-1 Osaki 2-chome, Shinagawa-ku, Tokyo 141-6025, Japan

No.CM2002E-7.0

EA04 Printed 2016.03