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[3] DISASSEMBLY/ASSEMBLY
[3] -1. Helical gear 47, Ball bearings 6203LLB and 6204LLB
DISASSEMBLING
Note
: Disassembling can be done without removing Insulation cover completely.
(1) Remove Wheel cover and Grinding wheel.
(2) Separate Gear housing from Motor housing as drawn in
Fig. 2
.
(3) Remove Spindle section and Ball bearing 6204LLB from Gear housing as drawn in
Fig. 3
.
1. Remove Retaining ring S-20 with 1R291.
2. Remove Inner flange and Pin 5 from Spindle.
3. Turn over Insulation cover as drawn below,
then remove four 5x50 Tapping screws.
4. Separate Gear housing from Gear housing cover.
1. Remove Spindle from Gear housing
by tapping its end with Plastic hammer.
2. Remove Bearing retainer 31-48 by turning
it with 1R316 counterclockwise.
3. Remove Ball bearing 6204LLB
by pushing it with the handle of
Plastic hammer.
Insulation
cover
5x50 Tapping
screw ( 4 pcs.)
Retaining
ring S-20
1R291
Gear housing
Gear housing cover
Fig. 2
Fig. 3
Bearing retainer 31-48
1R316
Spindle
Ball bearing 6203LLB
Ball bearing 6204LLB
Helical gear 47
Hammer