Makita LH1040 Technical Information page 10

R
epair
< 10> Disassembling safety block mechanism
1. Lock the blade case section at the possible highest position, with stopper pin.
2. Remove lock lever by unscrewing 2 M4x10 pan head screws. Then, lock lever can be removed from lock pin.
See Fig.8-1.
3. Remove motor section as shown in <8> Disassembling motor section, when removing lock pin 8. See Fig.8-2.
Pan head screw M4x10
<11> Assembling safety block mechanism
1. Pass lock pin 8 through torsion spring 9, and hold its tail with switch box. See Fig.9-1.
2. While sliding lock lever to switch button side, tighten lock lever with one M4x10 pan head screw preliminarily.
See Fig.9-2.
3. Nip the hooked tail of torsion spring 9 and put it on lock lever. See Fig.9-3.
Fig.9-1
Lock pin 8
Hold this side
with switch box.
Torsion spring 9
Torsion spring 9
Fig.8-1
Switch box
Fig.9-3
Lock pin 8
Lock lever
Lock pin 8
Lock lever
Switch box
Slide lock lever to
switch button side,
when preliminary
Switch box
tightening.
Switch box
Hooked tail of torsion
spring 9, put on lock lever
P 10 / 20
Fig.8-2
Lock pin 8
Torsion spring 9
Fig.9-2
Switch button
Preliminary tightening
with one M4x10 pan
head screw