Makita BCG180 Caulking Gun User Manual


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