Motor Section - Makita HR4501C Technical Information

R
epair
[3] DISASSEMBLY/ASSEMBLY
[3] -7. Switches, Controller, Power Supply Cord (cont.)
3) Controller and Power supply cord can be disassembled as illustrated in Figs. 48 and 49.
Fig. 48
Lever up Controller's tabs
with slotted screwdrivers.
Controller is separated from
Motor housing.
slotted screwdrivers
ASSEMBLY
Do the reverse step of Disassembling. Refer to Figs. 49 to 46.

[3] -8. Motor Section

DISASSEMBLY
1) Disassemble Chuck section. (Figs. 4 to 11) and remove Barrel cover complete and Barrel section. (Figs. 13 and 14)
2) Disassemble Handle section and Controller from the machine as illustrated in Figs. 46 to 48.
3) Disassemble the rear side of Motor housing in the order of Figs. 50 to 52.
Fig. 50
Motor
housing
Rear cover
5x25 Tapping
screw (2 pcs.)
Remove rear cover from
Motor housing.
Controller
Fig. 51
Cordless
impact driver
Fan 90
Motor housing
Holding Fan 90 with gloved hand,
remove M8-12 Hex nut using cordless
impact driver with M8 Socket bit.
Note: Turn M8-12 Hex nut clockwise.
Fig. 49
Controller
Cord clamp base
Controller and Power supply cord
can be replaced.
Fig. 52
M8x12 Hex nut
M8 Socket bit
Flat Washer 8
(12mm)
12mm
M8-12 Hex nut
Remove the parts in the rear
side of Motor housing as
illustrated above.
P 16/ 23
Power supply cord
Cord clamp
Fan 90
Fan guide