Makita CG140, BCG180 dimensions Disassembly/Assembly

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Repair

P 4/ 11

[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

2. Remove Spur gear 9A complete from

3. Remove Motor complete from

4-176.

Gear assembly by levering up with

Gear assembly by loosening

Synchro belt 4-176

Slotted screwdrivers.

three 3x16 Tapping screws.

Note: Spur gear 9A complete is assembled

 

 

 

 

at the factory, so do not disassemble it.

 

 

Spur gear 9A complete

 

Motor complete

Gear assembly

Slotted screwdrivers

(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.

2.Remove Stop ring E-4 from Spur gear 9C complete.

Gear housing

Internal gear 48

 

 

Flat

Spur gear 19A (6 pcs.)

 

Flat washer 5

washer 5

Flat washer 12

 

 

 

 

 

 

Spur gear 9C

 

 

 

complete

Spur gear 9B complete

 

Stop ring E-4

 

 

3. Remove the following pars as shown below.

 

 

Flat washer 5

Carrier A complete

Spacer with

Gear housing

Oil seal 30

 

Pin 3 ( 9 pcs.)

 

 

 

 

 

 

 

Spur gear 9C

Spur gear 19B ( 3 pcs.)

Carrier B

Internal gear 48

Plate 23

complete

 

 

 

 

 

Note: Pin 3 comes off easily,

Note: Spur gear 10 and Ball bearings

 

so be careful not to lose them.

 

still remain in Gear case

 

 

 

 

in this step.

4. Remove Oil seal 30 from the groove

 

 

 

on Spacer with a slotted screwdriver.

 

 

Oil seal 30

 

 

 

 

 

 

 

 

Spacer

Image 4
Contents Optional accessories SpecificationStandard equipment Necessary Repairing Tools RepairMotor Complete, Gear Assembly Rack CompleteDISASSEMBLY/ASSEMBLY Arbor press Assembling DISASSEMBLY/ASSEMBLY Make sure that Compression spring 6 fits inside the space Circuit diagram Fig. D-1Wiring diagram Fig. D-2 Wiring of DC motor’s Lead wiresFig. D-4 Wiring in Housing set L Viewed from Housing R side