Makita BTP131 Technical Information page 4

R
epair
[2]-2 LUBRICATION
Apply Makita grease N. No.2 to the following portions designated with the black triangle to protect
parts and product from unusual abrasion.
Item No. Description
49 Steel ball 3 (6 pcs.)
51 Steel ball 3 (34 pcs.)
53 Steel ball 3 (34 pcs.)
54 Spindle complete
57 Spur gear 41
58 Spur gear 14B
60 Change lever
61 Internal gear 41
62 Spur gear 14A complete
63 Spur gear 21
Fig. 1A
Compression
spring 22
Outer hammer
[3]-1 Impact Assembly, Anvil
DISASSEMBLING
(1) Disassemble Bit holder section and Bumper for attaching 1R224 (Fig. 2, 3).
Fig. 2
1. Remove Ring spring 11.
Sleeve
Grease
whole portion
whole portion
whole portion
a: Spindle portion
Makita
b: Pins for Gears 57, 58
grease N.
Teeth portion
No.2
Teeth portion
The sliding area in Motor bracket
Groove portion where 4 pcs. of Pin 1.2 fit
Pins for Gears 63
Teeth portion
49
Impact Section
51
Flat washer 14
53
a
2. Remove Flat washer 12,
Compression spring 13.
Flat washer 12
Compression
spring 13
Steel ball 3.5
Portion to lubricate
53
54
b
57
Pin 1.2
58
60
Pin 1.2
Motor bracket assembly
3. Remove Sleeve and
Steel ball 3.5 (2pcs.)
Sleeve
P 4/ 18
Amount
a little
61
62
63
4. Remove Bumper.
Bumper