Makita HM1242C Technical Information page 2

R
epair
<1> Removing armature
(1) Take off the rear cover from the motor housing
by loosening 2 pcs.of tapping screw M4x18.
And then take off the carbon brushes after
taking off the brush holder cap.
(2) Take off the handle and controler cover
by loosening 2 pcs.of hex socket hd.bolt M6x40
and 4 pcs.of hex socket hd.bolt M6x30.
(3) Dismount the motor housing by loosening
4 pcs.of hex socket hd.bolt M6x40.
(4) Support the machine with the repairing jig No.1R023,
1R218 and 1R022.
Put a round stick (repairing jig No.1R234 or 1R235)
on the armature
The armature can be removed from the
motor housing by pushing the above round stick
with arbor press.
Brush Holder Cap
Fig.1
Hex socket hd.bolt M6x30
Controler cover
Fig.2
Motor housing
Fig.3
Fig.4
Hex socket hd.bolt M6x40
1R022
1R218
1R023
Base of arbor press
P 2 / 12
Screwdriver
Tapping screw M4x18
Hex socket hd.bolt M6x4
Arbor press
1R234 or
1R235
Armature