P 9/ 17
R
epair
[3] ASSEMBLY/ DISASSEMBLY
[3] -4. Crank section
DISASSEMBLING
(1) Remove Handle section. (Refer to
Fig. 3
.)
(2) Remove Controller as drawn in
Fig. 15
.
(3) Remove Housing cover and Barrel section. (Refer to
Fig. 7
.)
Note
: No need to disassemble Chuck section.
(4) Remove Rear cover and disconnect Carbon brushes from the commutator of Armature as drawn in
Fig. 16
.
Note:
This is a necessary step to remove Armature from machine.
Fig. 16
Fig. 15
Controller
Slotted screwdriver
4x14 Tapping
screw (2pcs.)
1. Loosen two 4x14 Tapping screws.
And pry off Controller with two slotted screwdrivers.
3. Detach Spiral spring
from Carbon brush.
1. Remove three 5x25 Tapping screws
and remove Rear cover from Motor
housing.
Carbon brush
Spiral spring
Carbon brush
Carbon brush
Spiral spring
Armature shaft of
commutator end
Rear cover
5x25 Tapping screw (3pcs.)
Motor housing
2. Carbon brush is pressed
with Spiral spring to
maintain its contact with
commutator of Armature.
4. Disconnect Carbon brush.