Repair
P 4 / 10
< 1 > Lubrication
Apply MAKITA grease SG. No.0 to the following portions marked with black triangle to protect
parts and product from unusual abrasion.
Spiral bevel gear 9
Spiral bevel gear 35
Gear housing
Tapping screw 4x18
Rear cover
Motor housing
Carbon brush
Armature
assembly
Gear housing
cover
Gear housing
Tapping screw 4x28
< 2 > Disassembling spiral bevel gear 9 and armature
Spiral bevel gear 9
(1) Remove tapping screw 4x18 and separate rear cover from motor housing.
And remove carbon brush as illustrated in Fig. 1.
(2) Remove tapping screw 4x28 and detach gear housing from motor housing.
And remove armature with gear housing cover as illustrated in Fig. 1.
(3) Disassemble retaining ring S-6 and flat washer 6 from armature shaft as illustrated in Fig. 1A.
(5) Disassemble spiral bevel gear 9 with No. 1R269 "Bearing extractor" as illustrated in Fig. 1C, if it is difficult to
disassemble with hand.
(4) Grip spiral bevel gear 9 with your gloved hand, and pull off spiral bevel gear 9 with turning anti-clockwise.
Then, flat washer 12 and lock spring 12 can be separated from armature shaft together with spiral bevel gear 9
as illustrated in Fig. 1B.
Carbon brush
Fig. 1
Fig. 1A Fig. 1B
Fig. 1C
Retaining ring S-6
Flat washer 6
Spiral bevel gear 9
Lock spring 12
Flat washer 12
1R269 Bearing extractor
Gripping spiral bevel gear 9 together with
flat washer 12, disassemble them from
armature shaft.