Chapter 6 Check･Adjustment･Maintenance

Chapter 6Check・Adjustment・Maintenance● When checking, adjusting or maintaining this dryer, be sureto turn OFF the power switch and unplug the dryer.
Otherwise, electric leakage may occur, resulting in fatal
accident. Besides, someone may inadvertently press thepower switch and it may cause a danger.

● When checking, adjustment or maintaining this dryer, or
when lighting is needed to look its inside, always use aflashlight only. If you use an electrical lamp supplied fromthe mains outlet, lamp cord may be damaged by the edge ofsteel sheet and it could cause an electric leakage, resulting
in fatal accident.

● Be sure to put the covers removed for check, adjustment ormaintenance of this dryer back in place. Otherwise, it may
cause injury.

-1-6.1 Check and adjustment of the Bucket belt
● The bucket belt tension will be loosened by operating, so check the tension of it oncea month and adjust it.
● Before checking BUCKET ELEVATOR BELT,Elevator hopper

remove ELEVATOR HOPPER and check it.

● When BUCKET BELT leans to one side,
adjust the position of it to the center by using the TENSION BOLT.

Nut (for lock)Tension bolt

Tension bolt

NutSpringGauge
plateBucket belt

BucketDimension AProper dimension
about 30mm

Adjust the point of GAUGEPLATE to the hole bytightening NUT.

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Chapter 6 Check･Adjustment･Maintenance● If BUCKET ELEVATOR BELT is stretched too much, too heavy load is imposed on
the motor and the motor is locked.
① Remove the ELEVATOR HOPPER andcheck the elongation of BUCKET BELT.

Adjusting belt

• Whenthe clearance between thebottom plate of elevator and the tip of
BUKET (dimension A in the drawing onthe page 58 ) is 30 mm or less, loosen
the TENSION BOLT to the end to getmargin, and joint the belt as tight as
possible.
Belt joint fitting② Adjust the belt by the TENSION BOLT on both sides so that the BUCKET pass in themiddle of the ELEVATOR.
③ Carry out a dry run. If the bucket belt runs to one side, adjust by the TENSION BOLT
on both right and left side additionally.

-3-6.2 Adjustment of suction for dust exhauster● The following works must be done in high places and very
dangerous. Do not attempt to do it by yourself. Ask the vendor to dothem.

● Adjust the suction level by OUTLET
Outlet slide plate

SLIDE PLATE mounted on the Bucket

Adjust the number
to the bolt position

elevator outlet.
･ When OUTLET SLIDE PLATE isadjusted in the direction of scale markWeak6, suction becomes strong. If it isadjusted in the direction of scale markStrong1, suction becomes weak. Before
shipping, the slide plate has been set
to scale marks 3.

Bucketelevator
outlet6.3 How to clean residual grain● Cleaning

coversandlevers

areprovided for places where grains are

Shutter lever

likely to remain.
Before storage of the dryer or before
and after drying of different types ofgrain, clean these places as follows.
① Discharge grains in the dryer as
much as possible by discharging
operation.
② When very few grain is discharged, stop operation of the dryer and turn the power
OFF, and unplug the dryer.
③Pull the Lower SHUTTER LEVER to your side while pressing downward andremove it from the lever fixture. Then turn it upward.

-4-Chapter 6 Check･Adjustment･Maintenance④ RESIDUE LEVER (two provided forleft and right, four in total) areprovided on rear side of elevator

Residue leverand that of air suction cover. Raise
them to the position “OPEN” andsecure them by wing screws.

⑤ Remove ELEVAOR HOPPER andBUCKET ELEVAOR INLET BASE
PLATE, and discharge the grains
remaining in the lower part of theELEVATOR.
⑥Put

ELEVAOR

HOPPERandBUCKET ELEVAOR INLET BASE
PLATE back in place.
⑦ Operate

thedryeragainfordischarging, paying attention to therotating part.
Bucket elevator inlet⑧ When grains stop being discharged
completely, stop the dryer.
⑨ Check every part of the dryer andclean the remaining area wherecleaning is not completed.
⑩ Put cleaning covers and levers backBucket elevator
inlet base platein place and fasten them.

-5-6.4 Checking of the motor belt and chain●The V-belt and chain tension will be loosened by operating, so check the tension of it
once a month and adjust it.
Specimen; Lower screw conveyor● Check the following V-belt andV-beltchain.
1) Lower screw conveyor
2) Upper screw conveyor
3) Blower4) Suction blower5) Shutter drum

6.5 How to take out samples● Bringing up the sample outlet whiledryer

isrunning,takeouttheSample outletsamples.

The samples come out.

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