Makita DP4011 Technical Information page 5

R
epair
[3] DISASSEMBLY/ASSEMBLY
[3] -3. Armature
DISASSEMBLY
1) Disassemble Handle cover by removing Tapping screws. Then remove Carbon brush with slotted screwdriver (Fig. 12)
2) Remove Gear housing cover complete from Motor housing after removing Gear housing. (Fig. 4)
Therefore, Armature comes out with Gear housing cover complete.
3) Remove Armature from Gear housing cover complete with 1R045. (Fig. 13)
4) The Ball bearings are removed from the both end of Armature shaft. (Figs. 14 and 15)
Fig. 12
Carbon brush
Fig. 13
Armature
Fig. 15
After removing Labyrinth rubber ring 19, Ball bearing 607LLB and Insulation washer are removed.
Labyrinth rubber ring 19
ASSEMBLY
Do the reverse of the disassemble step.
Slotted
screwdriver
Carbon brush
1R045
Gear housing
cover complete
1R269
Fig. 14
1R269
Note: When replacing Ball bearing 608DDW,
it is removed together with Ring 8.
This Ring 8 is easy to be deformed.
Therefore, do not reuse Ring 8
when removing it.
Ball bearing 607LLB
P 5 / 8
Handle cover
M4x25 Tapping screw
Ring 8
Ball bearing
608DDW
Insulation washer