Dust Cover - Makita 4112H Technical Information

R
epair
< 7 > Removing armature
( 1 ) After removing 4 pcs. of hex bolt M5x20, remove gear section from gear housing. And remove dust cover.
See fig. 15.
( 2 ) Remove brush holder caps and carbon brushes, and unscrew 4 pcs. of hex bolt M5x40. Then, motor housing can
be separated from gear housing. See Fig. 16.
Hex bolt M5x20
Gear section
Hex bolt M5x40
( 3 ) After unscrewing hex nut M8x12, remove spiral bevel gear 9 from armature shaft. See Fig. 17.
Gear housing
Armature
Armature
Motor housing
Gear housing
Fig. 15

Dust cover

Fig. 16
Brush holder cap
Carbon brush
Carbon brush
Brush holder cap
Hex nut
M8x12
Spiral bevel
gear 9
Fig. 17
P 6 / 11