7264403

Thank you for selecting a Nagasawa product.
Please read this manual to ensure correct installation of the product.
When transferring the ownership, provide the separate Instruction Manual (for Homeowner) to the homeowner.
Always use a manual screwdriver to tighten screws. Do not use an electric screwdriver.

- K328C, K328CM -Installation Manual - Surface-Mounted Automatic Lock for Sliding Door Items included*Check to conﬁrm you have all parts before starting assembly.

3

ⒷⒸⒹⒺ

Main unit
1* Note 1

HAM lock and interiorescutcheon set1

Cover1Main unit spacer
1Plastic base1 × 2.0 mm thick
1 × 3.5 mm thick
1 × 4.5 mm thickⒻⒼⒾ

Ⓜ

ⓃⓄⓅⓆ

Combination thread
Adjuster plate
Truss head
Adjuster spacer
M4 hex nut
Instruction
screw M4×25
1tapping screw
1 mm thick 2
M4 ﬂat washer
ManualCombination thread
A1･M4×20
3 mm thick 1
4 of each1
screw M4×40
4 of each
5* Note 1: The main units comes in two types: [1] without key, [2] with key. * Note 2: Attach the Set/Reset sticker as needed.

1 Preparations for ﬁtting

OpenⓈⓇ

Included in theInstallation ManualTemplatesame bag as Ⓠ
1 each* Note 2: Set/Reset sticker 1
Unlock direction sticker 1

between the main unit and the handle.

２ Drilling holes in the sliding door for ﬁttingⓉ

Key forcode change
2

３ Attaching the main unit

*These diagrams are for right-opening installations. Reverse for left-opening installations.

１ Attach the cover to the main unit.

(Attach the main unit spacer instead if the cover will not be used.)
the protrusions② Matchon the rear of theWith the cover① Ⓒopen, place overDo not close the sliding door until all operational checks are complete. (We recommend securing the sliding door
with a wedge or other implement.)

the main unit.

１ Check the opening direction.
Frame

Interior side

NOTICE

Left opening

Sliding door Sliding door

Frame

Exterior side

Opening direction

Door opens to the right, as viewed from side with main unit (side with buttons on it) · · · · Right opening

for the opening direction.

* Opening to the right is the factory default.

Perform the steps described below to modify to left opening.

2NOTICEInterior side

for rightopening.

HAM lock

NOTICE

Exterior side

Remove the key when placing
into position if the type hasa key.

Groove vertical

3

Secure with the retaining screw.

ReversePlace the main unit on the exteriorside of the sliding door.

Fitting should be performedin the passage condition (FREE).

the interior escutcheon on
the ① retaining① Remove② Reverse the HAM lock. ③ Placethe HAM lock.
screw and ② interior

3

performed in thepassage condition.

2 (For left opening) Modify the Ⓑ HAM lock and interior escutcheon* Go toⒹ Attach the mainunit spacer by
matching theprotrusions of thespacer with therecesses on the rearof the main unit.

Fitting should be

Door opens to the left, as viewed from side with main unit (side with buttons on it) · · · · · Left opening

Opening direction

escutcheon from theHAM lock in thatsequence.

If the cover
will not be usedcover with therecesses on therear of themain unit.

Refer to the following diagram to check the opening direction of the sliding door.
Right opening

NOTICE

HAM lock
Interior escutcheon② Interior
escutcheon
Free passage
switching plug

100 mmor more

Drill holes to ﬁt the Ⓐ main unit and Ⓖ surface-mounted strike plate (refer to the enclosed template).

切欠図Ⓛ

Mortiseattachment
1

取付説明書

消去

登録Ⓚ

leave a space of at least 100 mmⒿMain unit retaining screw Surface-mounted Surface-mounted strike Strike plate spacer
strike plate
1 mm thick 2
Countersunk machine
plate backing plate
13 mm thick 1
screw M5×50
Double-sided tape2
1 each

取扱説明書

Machine screw
M4×25
4To allow space to turn the key,

the surface-mounted strike plate."ⒽO p en(For main unit with key)

NOTICEdoor and frame against “ ４ Attaching

両 面テープⒶ

Check the type of ﬁt for the sliding

From the interior, put the HAM lock andinterior escutcheon set in place.

Interior side

Be sure the groove of
the free passage
switching plug isvertical (FREEcondition).

NOTICE １

Turn the spindle to match the camhole when placing into position.

Ⓕ Secure with the two
4 mainunit retaining screws.

Cam hole

NOTICE １

Interior side
Exterior side
Spindle① Retainingscrew

NOTICE ２

NOTICE ２Ⓔ The 4.5 mm plastic base must be used.
Use the 2.0 mm and 3.5 mm plastic bases toadjust the height of the interior escutcheon.

Exterior side

４ Attaching the surface-mounted strike plate

Attach the Ⓖ surface-mounted strike plate. Use accessories Ⓗ to Ⓟ to suit
the type of ﬁt.

５ Check operation727xxxx

Switch from “FREE” to “AUTO LOCK” to check the operation of the HAM lock.
NOTICENOTICEBe sure to check the operation with the sliding door open.

Be sure to attachwith the eyemarks matching.

If the unlocking procedure is not performed and the lock turn on the main unit is operated, it turns freely.

Eye marks

46 mm

Note the depth of thedoor jamb.

Measurement from tip of thesurface-mounted strike plate

Attach the double-sided tape to the Ⓗ surfacemounted strike plate backing plate, then attach tothe back of the Ⓖ surface-mounted strike plate.

24 mm

Double-sided tapeⒺⓁ L=40

Frame Sliding door

Attach with bossto the top.

2 Checking the operation of the HAM lockswitching to AUTO LOCK
① Afterin , conﬁrm that the trigger is
１sticking out.

Eye mark* Before applying the double-sided tape,wipe the surface so that it is free of dust and dirt.

ⒼFrameⓄ

46 mm

Press
trigger inMake sure theAttach with boss to the top.

Slidingdoor

Eye markⒼ[Fitting example: Pattern D]

Symptom

Will not lock evenwhen sliding door is closed.

Attach with △ to the top.

unlock direction sticker is attached to match the unlock direction.

Problems with ﬁtting
Gap between sliding door
and frameⓂ

Possible causes
Gap？

Ⓛ L=25
Attach with bossto the top.

ⒺThe hookdeadbolt
is pulled in.

Move the lockturn to theopen door side.

3 Conﬁrm that theⓇlock unlocks with the main unit code number. (Refer to “How to unlock the door” in the enclosed instruction manual.)ⓀFrameand that the trigger springs out.

The hookdeadbolt
comes out.

ⒺMeasurement from surface of the frame
30 mmNote the depth of the door jamb.

that the hook deadbolt is③ Conﬁrm
pulled in when the lock turn is turned

Triggersprings out.

ⓄⓅ

Use this itemⓃ
as necessary.

pressed in.

Triggersprings out.

[Fitting example: Pattern C]
Measurement from joint surface of thesurface-mounted strike platethat the hook deadbolt② Conﬁrm
comes out when the trigger isⓁ L=40Eye markⓂ

The plug groove will be horizontal(AUTO LOCK condition).

ⒼSliding
Frame door

the Ⓜ adjuster plate
Vertically
5.5 mmHorizontally 15 mm

Free passage
switching plug

Groove horizontal

as necessary.

Attach with bossto the top.

Adjustment range ofNOTICEⒽⒾ Use this item

Ⓔswitch from FREE to AUTO LOCK (turn left).

position.

[Fitting example: Pattern B]

Measurement from surface of the frame (The measurement will depend on
how the Ⓘ strike plate spacers are used.)a coin or similar object to turn the free passage② Use
switching plug on the interior escutcheon toDoor edge

[Fitting example: Pattern A]

the lock turn on the① Holdmain unit in the rotatedⒼ Surface-mounted strike plate

Door edgeⒷ HAM lock and interior
escutcheon set

１ Switch from FREE to AUTO LOCK.

Slidingdoor

The HAM lock contacts thesurface-mounted strike plate
before the door is closed.

Adjust the ﬁtting position of theKeylex further back on the door.

Even when the door is closed, the HAM lock does
not contact the surface-mounted strike plate; thus,
the trigger is not pressed in, andthe hook deadbolt does not
Framecome out.
No contact withMethod Adjust the ﬁtting position of theKeylex further forward on the door.

surface-mounted
strike plate

Will not switch
properly to passagemode.

？

Adjustment methods①

Door edge

Frame

Frame

Backward

Sliding door

Method Raise with a Ⓘ strike plate spacer

②

Frame

Sliding door

Sliding door

Sliding door

The parts on the rear of themain unit are facing in thewrong direction.

Ⓐ Buttonmain unit (rear)

Correctorientation

Correct theorientation ofthe part.

Turn to the left or
right to make thehole vertical.

Turn to theright to makethe hole
horizontal.

Eye marksⓀⒿⒼ

Nagasawa Manufacturing Co., Ltd.
www.nagasawa-mfg.co.jp

Tel: +81 3 5383 1811
E-mail: contact@nagasawa-mfg.co.jp
Web: www.nagasawa-mfg.co.jp
21.09.01