Makita GA4043C Technical Information page 3

R
epair
[3] DISASSEMBLY/ASSEMBLY
[3] -2. Armature, Spiral bevel gear [small one]
DISASSEMBLING
(1) Remove Spiral bevel gear (small) from the drive end of Armature as drawn in Fig. 2.
Fig. 2
1. Remove Rear cover by unscrewing
one 4x18 Tapping screw.
Rear cover
4. Unscrew four Tapping screws. Then separate Gear housing cover from Spacer while applying a slotted
screwdriver to the notch on Gear housing cover on belly side.
Gear housing
Gear housing cover
Spacer
5. Remove M6 Hex nut to turn it with Wrench 10
counterclockwise. Then, remove Flat washer 6
and small Spiral bevel gear from Armature.
M6 Hex nut
Wrench 10
2. Shift Spiral spring from
Carbon brush top.
4x18 Tapping screw
4x50 Tapping screw
Notch on
Gear housing cover
6. Remove Gear housing cover with 1R045.
Then, remove Compression spring 33 and
Brake shoe holder complete.
Caution: Be careful that the cover and the spring
Flat washer 6
Spiral bevel
gear (small)
1R045
3. Disconnect Carbon brush from
commutator by pulling up.
Note: No need to remove Carbon
brush in this step.
Gear housing cover
Armature
may jump out from Armature side
due to recoil force by the spring.
Brake shoe
holder complete
Armature
P 3/ 14
Gear housing
cover
Compression
spring 33