Makita GA5011 Technical Information page 10

R
epair
[3] DISASSEMBLY/ASSEMBLY
[3] -4. Shaft Lock Mechanism
DISASSEMBLY
(1) Remove Bearing box from Gear housing. And remove Carbon brush from Motor housing. (Fig. 2 and 3)
(2) Separate Gear housing from Motor housing. (Fig. 4)
(3) Remove Armature from Gear housing. (Figs. 5, 6 and 7)
(4) Shaft lock mechanism can be disassembled as illustrated in Figs. 25 and 26.
Fig. 25
Pin cap
1R350
Applying 1R268 to Shoulder pin 5 through the small hole
on Pin cap, strike 1R268 with plastic hammer.
Shoulder pin 5 comes out from Gear housing complete.
ASSEMBLY
(1) Be sure to use new Pin cap for replacement and remove all the plastic dust on Shoulder pin 5. (Fig. 27)
(2) Assemble the components for Shaft lock mechanism as illustrated in Fig. 28.
Fig. 27
Plastic dust
Shoulder pin 5
O ring 7
1R268
Shoulder pin 5
Fig. 28
Insert Shoulder pin 7
through the hole of Gear
housing complete.
Fig. 26
Impossible to reuse Pin cap, because
removal of Shoulder pin 4 damages the
inside surface of Pin cap, producing
plastic dust.
Pin cap
Release 1R268 from Pin cap carefully
so that Pin cap is slung by Compression
spring 8.
Assemble Pin cap by pressing it
to Shoulder pin 7.
Shoulder
pin 5
P 10 / 11
Pin cap
Compression
spring 8
Pin cap
Compression spring 8
Do not forget to assemble
Compression spring 8.