Makita SK105D Operating instructions

December 2019
Ver.1
OFFICIAL USE
For ASC
CORDLESS CROSS LINE LASER
SK105D/ SK105GD
SK106D/ SK106GD
REPAIR MANUAL

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1CONTENTS
1CONTENTS.................................................................................................................................................................................2
2CAUTION....................................................................................................................................................................................3
3NECESSARY REPAIRING TOOLS...........................................................................................................................................3
4TIGHTENING TORQUE SPECIFICATIONS............................................................................................................................3
5REPAIR........................................................................................................................................................................................4
5-1 Window frame section.........................................................................................................................................................4
5-1-1 Disassembling/Assembling of Window frame ...........................................................................................................4
5-2 DC Jack cover......................................................................................................................................................................5
5-2-1 Disassembling/Assembling of DC Jack cover............................................................................................................5
5-3 Housing section....................................................................................................................................................................5
5-3-1 Disassembling/Assembling of Battery terminal.........................................................................................................5
5-3-2 Disassembling/Assembling of Main housing.............................................................................................................6
5-4 Keypad (Switch) section......................................................................................................................................................7
5-4-1 Replacement................................................................................................................................................................7

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2CAUTION
Repair the machine in accordance with "Instruction manual" or "Safety instructions".
Follow the instructions described below in advance before repairing:
Wear ESDAnti-static electronics gloves.
In order to avoid wrong reassembly, draw or write down where and how the parts are assembled, and what the parts are.
It is also recommended to have boxes ready to keep disassembled parts bygroup.
Handle the disassembled parts carefully. Clean and wash them properly.
Remove Battery, except when it is necessary to check the operation of machine.
This model is part-replaceable only for Window frame (Lens), Keypad (Switch), Screws, Labels and DC Jack cover.
If all lasers do not light up, you may be able to repair with a switch-change, but you will not be able to repair if some
lasers do not light up. Prior to repair, understand thesymptom of the trouble and determine whether the REPAIR is
feasible or not.
The label covering the head of the screwholes is stuck.Arrange the label for repair.
Model SK106D and SK106GD are laser adjustable. Refer to the dedicated manual for the laser adjustment method.
The screws are shipped in units of 10 pcs.
Window frame (Lens) contains Screws (4 pcs) and Label.
3NECESSARYREPAIRINGTOOLS
Description
Use for
T8 Hexalobular driver
assembling Main housing
T6 Hexalobular driver
assembling Window frame (Lens) and Battery holder
Slotted screwdriver
removing Label
4TIGHTENINGTORQUESPECIFICATIONS
Fastener
Tightening torque (N∙m)
T6Tapping screw
0.3±0.03
T8Tapping screw
0.4±0.03

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5REPAIR
5-1 Windowframe section
5-1-1 Disassembling/AssemblingofWindowframe
Fig. 1
1Remove Frontlabel indicated by the red circle, then
remove Screw.
2Remove the adhesive residue and stick a new Front
label when assembling.
Fig. 2
3Remove 2x8Tapping screws (4 pcs) with T6
screwdriver.
4Tighten them with a torque of 0.3 N∙m when
assembling.
Fig. 3
5Pull out Window frame from Housing.

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5-2 DCJack cover
5-2-1 Disassembling/Assembling of DC Jack cover
Fig. 4
1Pull out DC Jack cover in direction of arrow.
Note
DC Jack cover isnot glued with adhesive, and
therefore, remove it manually.
2Insert DC Jack cover into the groove of Housing
when assembling.
5-3 Housing section
5-3-1 Disassembling/AssemblingofBatteryterminal
Fig. 5
1Remove 2x8 Tapping screws (2 pcs) with T6
screwdriver.
2Tighten them with a torque of 0.3 N∙m when
assembling.
Fig. 6
3Battery terminal is assembled with two hooks at the
bottom, and therefore, pull up in direction of (1)
then pull out in the direction of (2). Be careful not
to cut off Lead wires (3 pcs) of the power source
because theyhave to be connected to Main unit.

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5-3-2 Disassembling/AssemblingofMainhousing
Fig. 7
1Remove Base labels (2 pcs) because there are
Screws under them.
2Remove the adhesive residue and stick new Labels
when assembling.
Fig. 8
3Remove 2.6x20 Tapping screws (3 pcs.) with T8
screwdriver.
4Tighten them with a torque of 0.4 N∙m when
assembling.
Fig. 9
5Pull up Main housing.After pulling up slightly,
then twist and pull up so that Laser unit and
Housing do not interfere each other.At this time, be
carefulnot to cut Keypad cable indicated with the
arrow.
6One side of Keypad cable is integrated with
Keypad (Switch) that is glued on Main housing and
the other is connected Control board.
7Pull off Keypad cable because it is connected to
Control board with its connector.
8When assembling, make sure that Keypad cable is
not twisted, and then connect Connector of Keypad
cable to that of Control board.
Note
Take preventive measures against static electricity
(e.g. a wrist strap on the market) when touching the
vicinity of Control board.
Before tightening Screws and sticking Labels,
check the operation and confirm that there is no
abnormality.

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Fig. 10
9When assembling Main housing, put Keypad cable
(shown with green) in place as shown in the figure.
5-4 Keypad (Switch)section
5-4-1 Replacement
Fig. 11
1Disconnect Keypad cable from Control board
beforehand, and then replace Keypad (switch).
2Keypad (Switch) is peeled off because it is glued
with an adhesive.
3Remove the adhesive when assembling Keypad
(Switch).
4When assembling Keypad (Switch), pass Keypad
cable through the hole (opposite of the arrow) as
shown in the figure in advance.
5When assembling Main housing, put Keypad cable
in place and connect it to Control board as shown in
Fig. 10.