Makita BCG140 Technical Information page 6

R
epair
[3] DISASSEMBLY/ASSEMBLY
[3] -2. Motor Complete, Gear Assembly (cont.)
ASSEMBLING
(1) Assemble Ball bearing 6803LLU to Gear housing. Refer to the drawing on the left in Fig. 7.
(2) Mount Ball bearing 6806LLU to Spur gear 10. Refer to the drawing on the bottom in Fig. 6.
(3) Assemble the Spur gear 10 section to Gear housing. Refer to the drawing on the upper right in Fig. 6.
(4) Mount Oil seal 30 to Spacer. Refer to the drawing on the bottom in Fig. 5.
(5) Assemble Plate 23, Spacer, Internal gear 48 and Spur gear 9C complete to Gear housing as drawn in Fig. 8.
Fig. 8
Note: Assemble Spacer with the convex side
of it facing to Internal gear 48.
Spacer
Internal gear 48
(6) Assemble the parts on the Flat washer 5 side to Gear housing as drawn in Fig. 9.
Fig. 9
1. Set Carrier A complete on 1R027, and
assemble Carrier B and 9 pcs. of Pin 3.
< Note for Assembling of Pin 3 >
Do not lubricate on Pin 3.
And, be careful that Pin 3 easily falls off.
3. Assemble Spur gear 19B to the Pins of Carrier A complete.
And then, mount Flat washer 5 to Gear housing.
Flat washer 5
Spur gear 19B
( 3 pcs.)
Pins of Carrier
A complete
Oil seal 30
Plate 23
Pin 3 (9 pcs.)
Carrier B
Carrier A complete
1R027
Gear housing
Spur gear 9C
complete
2. While holding Internal gear 48
with your fingers, assemble Gear housing
to Carrier A complete section.
Gear housing
4. Assemble Stop ring E-4 to the shaft
on Spur gear 9C complete.
Spur gear 9C complete
Stop ring E-4
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