[3] DISASSEMBLY/ASSEMBLY
[3]-7. The components for Gear housing complete
DISASSEMBLING
Oil seal 25, Cup sleeve, Ball bearing 6806LLB are factory assembled in Gear housing complete. These parts can be
replaced from Gear housing complete individually with new ones.
(1) Disassemble Bit holder section as drawn in
Fig. 3 of page 6
.
(2) Disassemble Change lever section as drawn in
Fig. 5 of page 7
.
(3) Disconnect Carbon brushes from the commutator of Armature, and then pull off Armature from Gear housing complete
as drawn in
Fig. 7 of page 8 and Fig. 8 of page 9
.
(4) Tap Tool holder with a plastic hammer. Inner housing section comes out from Gear housing complete.
Remove Tool holder section from Inner housing complete as drawn in
Fig. 10 of page 10
.
(5) Disassemble Inner housing complete as drawn in
Fig. 17 of page 15
.
and Figs. 18, 19 and 20 of page 16
.
(6) Remove Oil seal 25, Cup sleeve, Ball bearing 6806LLB from Gear housing as drawn in
Fig. 32
.
1. It is difficult to stand Gear housing complete as it is, because the edge is
not flat. Therefore, use Inner housing complete of a repairing tool to
stand Gear housing complete vertically.
Note
: Do not use Inner housing complete once removed from the machine.
1R258
1R258
1R252
3. Press down Oil seal 25
carefully with 1R252.
4. Oil seal 25, Cup sleeve with
Ball bearing 6806LLU are removed.
5. Remove Ball bearing
6806LLU from Cup
sleeve.
2. Put Inner housing complete onto 1R258
as drawn below so as
not to put Pin on
1R258.
Oil seal 25
Cup sleeve
Ball bearing
6806LLU
Ball bearing
6806LLU
Cup sleeve
Pin
Fig. 32
P 20/ 25
R
epair
Inner housing complete of
a repairing tool