P
2
/
7
R
epair
CAUTION: Repair the machine in accordance with “Instruction manual” or “Safety instructions”.
[1] NECESSARY REPAIRING TOOLS
[2] LUBRICATIONS
[3] DISASSEMBLY/ASSEMBLY
[3]-1. Armature
Fig. 2
Fig. 1
Code No.
Description
Use for
1R027 Bearing setting pipe 18-10.2 Removing Armature
1R029 Bearing setting pipe 23-15.2 Removing Balancer from Base
1R269 Bearing extractor
Removing Ball bearings from Armature
1R286 Round bar for Arbor 12-50
Removing Ball bearing 6202DDW from Balancer
1R350 Ring 60
Holding Base when removing Balancer and Ball bearing 6202DDW
1R258 V block
Holding Ball bearing 6202DDW when removing Balancer
No lubrication is required.
4x18 Tapping screw
(5pcs.)
1) Remove Top cover by unscrewing five 4x18 Tapping screws.
Then remove Brush holders with Carbon brushes and Lead wires.
Switch, Noise suppressor and Power supply cord can be replaced.
(
Fig. 1
)
2) Remove Pad complete by unscrewing four M4x10 Pan head screws.
O ring 53 may be attached to Pad complete. Do not lose O ring 53.
(
Fig. 2
)
3) Insert Slotted screwdriver between a rib of Base and Balancer to
stop moving of Balancer and remove M5x16 Countersunk head
screw. (
Fig. 3
)
4) Remove Base together with Balancer and Ball bearing 6202DDW.
(
Fig. 4
)
5) Remove Fan guide, Flat washer 8 and Fan 68 by unscrewing two
4x18 Tapping screws. (
Fig. 5
)
6) After removing four 4x18 Tapping screws, tap Motor housing with
Plastic hammer as illustrated in
Fig. 6
. Armature can be removed
together with Bearing box.
M4x10 Pan head
screw (4pcs.)
Top cover
Brush
holders
Pad
complete
O ring 53
Base
Fig. 5
Fig. 6
Fig. 3
Fig. 4
DISASSEMBLING
Slotted screwdriver
Phillips screwdriver
Balancer
Rib of Base
Ball bearing 6202DDW
Balancer
M5x16 Countersunk
head screw
4x18 Tapping screw
(2pcs.)
4x18 Tapping screw
(4pcs.)
Base
Fan guide
Fan 68
Flat washer 8
Flat washer 8
Armature
Motor housing
Bearing box