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R
epair
[6] DISASSEMBLY/ ASSEMBLY OF ARMATURE SECTION
DISASSEMBLING
Note: It is not necessary to remove Bearing box from Gear housing complete when replacing Armature.
1) Separate Base from Motor section. (Figs 2 to 5)
2) After Removing Depth guide from Motor housing complete, remove Carbon brush.
3) Separate Gear housing complete from Motor housing complete after removing M5x35 Pan head screws (4pcs.).
(Figs. 9, 12, 14 and 15)
4) Remove Armature section upward from Gear housing complete while holding Gear housing complete with Armature
section positioned in Fig. 20L.
Note: Do not remove Armature section downward and horizontally from Gear housing complete (Fig. 20R).
Because Gear oil remaining inside is drained out from Gear housing complete.
5) Remove Retaining ring S-17 using 1R291. (Fig. 21)
6) Remove Ball bearing 6003LLB, O ring 16 and Ring 17 using 1R269 and water pump pliers. (Fig. 22)
7) Bearing retainer can be removed from Armature. (Fig. 23)
Fig. 20L
Correct
M5x18 Pan head screw
Fig. 22
Ball bearing 6003LLB
O ring 16
Note: O ring 16 has to be replaced with new one
whenever Ball bearing 6003LLB is removed.
Fig. 20R
Wrong
M5x18 Pan head screw
Gear oil
Note: Be careful not to scratch
its surface where Oil seal 22
contacts.
Ring 17
Water pump pliers with which
the legs of 1R269 are clamped.
Fig. 21
Retaining ring S-17
1R269
P 6/ 8
1R291
Fig. 23
Bearing retainer
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