Makita BKP140 User Manual download pdf (Page 4)

P 4/ 10

Repair

[3] DISASSEMBLY/ASSEMBLY

[3]-2. Motor section

DISASSEMBLING

(1) Remove Poly V-belt 4-241. (Refer to Fig. 2)

(2) Separate Bracket section from Main frame complete. (Fig. 5)

Fig. 5

Fig. 6

1. Remove Carbon brushes. 2. Remove four 4x18 Tapping screws. 3. Remove Bracket by tapping Main frame

complete with Plastic hammer. Armature

and Drum complete come with Bracket.

Carbon brush

Main frame

complete

4x18 Tapping screw

(4 pcs.)

5. Hold Armature by gloved hand,

engage 12.7mm Square side to

Square portion of V-pulley 4-24L

and Remove V-pulley by turning

clockwise.

6. Remove Armature from Bracket

by tapping Armature shaft with

Plastic hammer.

7. Remove Ball bearings

of both side of Armature

with 1R269.

Impact

driver

Phillips bit

Bit adapter

(P/N:A-33750 or P/N:134873-0)

4. Set Phillips bit and Bit adapter

(P/N:A-33750 or P/N:134873-0)

to Impact driver for removing

V-pulley.

12.7mm

Square side

V-pulley 4-24L

Armature

(3) Disassemble Armature from Bracket. And remove Ball bearings. (Fig. 6)

Armature

Bracket

Ball bearings

Caution: Do not pinch your finger in this step.

Armature tends to be strongly pulled

back into Main frame complete due to

the strong magnet force toward Yoke unit.

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Makita BKP140 User Manual Page 4

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