Makita BCG140 Technical Information page 4

R
epair
[3] DISASSEMBLY/ASSEMBLY
[3] -2. Motor Complete, Gear Assembly (cont.)
DISASSEMBLING
(2) Remove Motor complete from Gear assembly as drawn in Fig. 4.
Fig. 4
1. Remove Synchro belt
4-176.
Synchro belt 4-176
(3) Disassemble component parts of Gear assembly from Gear housing as drawn in Fig. 5.
Fig. 5
1. Remove Flat washer 12, Spur gear 19A (6 pcs.),
Spur gear 9B complete and Internal gear 48 from
Gear housing as shown below.
Internal gear 48
Gear housing
Flat
washer 5
Spur gear 9B complete
3. Remove the following pars as shown below.
Flat washer 5 Carrier A complete
Spur gear 19B ( 3 pcs.)
4. Remove Oil seal 30 from the groove
on Spacer with a slotted screwdriver.
2. Remove Spur gear 9A complete from
Gear assembly by levering up with
Slotted screwdrivers.
Note:
Spur gear 9A complete is assembled
at the factory, so do not disassemble it.
Spur gear 9A complete
Slotted screwdrivers
Spur gear 19A (6 pcs.)
Flat washer 12
Pin 3 ( 9 pcs.)
Carrier B
Internal gear 48
Note: Pin 3 comes off easily,
so be careful not to lose them.
3. Remove Motor complete from
Gear assembly by loosening
three 3x16 Tapping screws.
2. Remove Stop ring E-4 from
Spur gear 9C complete.
Spacer with
Oil seal 30
Plate 23
Note: Spur gear 10 and Ball bearings
still remain in Gear case
in this step.
Spacer
P 4/ 11
Motor complete
Gear assembly
Flat washer 5
Spur gear 9C
complete
Stop ring E-4
Gear housing
Spur gear 9C
complete
Oil seal 30