P 9/13
[3] DISASSEMBLY/ASSEMBLY
[3] -4. Armature, Crank Section
R
epair
Hex socket head bolt
M6x60 (4 pcs)
Hex socket head bolt
M6x20 (2 pcs)
1R045
1R346
Flat washer 6
(4 pcs)
Crank housing
complete
Crank housing
complete
Gear housing
complete
Gear housing
complete
Motor housing
Armature
1) Remove the following parts and sections from the machine (Fig. 4 to Fig. 7 in page 4):
Handle section, Tool holder, Barrel complete, Piston, Connecting rod
2) Remove Rear cover, then disconnect Carbon brushes from Armature commutator as illustrated in Fig. 23.
Note: No need to take out Carbon brush from Brush holder.
3) Remove Motor housing from Gear housing complete by unscrewing four M6x60 Hex socket head bolts. (Fig. 24)
4) Remove Crank housing complete from Gear housing complete. (Fig. 25)
Note: Crank section (including Crank shaft, Helical gear 38, etc) still remain in Crank housing complete in this step.
See page 10 for disassembling of Crank section.
5) Torque limiter assembly can be disassembled from Gear housing complete by tapping the end surface of
Gear housing complete with plastic hammer. (Fig. 26)
Important: Do not try to disassemble Torque limiter assembly because it cannot be reassembled once disassembled.
6) Armature can now be disassembled from Gear housing complete using 1R045 and 1R346. (Fig. 27)
Fig. 23
Fig. 24
Fig. 25
Fig. 26
Fig. 27
Torque limiter assembly
DISASSEMBLING
Rear cover
Tapping screw 4x18
(2 pcs)
Remove the end of Spiral spring from Carbon
brush using small slotted screwdriver or the like,
then pull Carbon brush a little to disconnect
from Armature commutator.
Disconnecting Carbon brush
from Armature commutator
Spiral spring of Brush holder is pushing in
Carbon brush to contact Armature commutator.
Carbon brush
Spiral spring
of Brush holder
