Replacing Armature - Makita HR5001C Technical Information

•Replacing Armature

a. Slide down Chuck cover and remove Tool
holder cap.(See the figure 4.)
b. Remove pan head screws, and then remove Crank
housing cover and Gear housing cover.(See the figure 4.)
c. Remove hex.socket head bolts and then remove
handle.(See the figure 5.)
d. Remove the connector.(See the figure 5.)
e. Remove the screw for holding the Fix rod, and then pull
out the Fix rod and the Pick up coil. (See the figure 6.)
Note 1) Pulling out the lead wire of Pick up coil without
removing the Fix rod may cause the disconnection.
Note 2) For Connector shown on the figure 5, be sure to
pull out Connector itself while holding Controller.
f. Pull out the 3 pieces of terminals
(white, black and red).(See the figure 7.)
g. Remove Rear cover and loosen the Hex.nut M8
while holding the Fan 90.(See the figure 6.)
h. Remove Fan 90 and rremove the 4 pieces
of hex.socket head bolts for holding the Crank
housing. (See the figure 6.)
Remove of Crank housing.
i. Strike the rear of armature shaft to remove
Gear housing and armature from the Motor
housing.
j. Use gear puller to remove the armature
shaft from Gear housing.
(See the figure 8.)
Black
Controller
White
Connector
k. To assemble the armature, place Ball bearing
6201 and the Oil seal 14 into Gear housing,then push
Armature into place.
(See the figure 9.)
Controller
White Red
Figure 7
Handle
Hexagon-holed bolt :
6-piece
Figure 5
Repairing tool
1R-045
Gear housing
Armature
Black
Tool holder cap
Chuck cover
Pan head screw
Gear housing cover
Crank housing cover
Gear housing
Fan 90
Hex.nut M8
Rear cover
Ball bearing 6201
Oil seal 14
Buckle plate
Figure 8
Figure 4
Hex.socket headbolt
Crank housing
Motor housing
Controller
Lead wire
Screw
Fix rod
Pick-up coil
Figure 6
Gear housing
Apply the grease
Armature
Figure 9