Washer - Makita HR2230 Technical Information

R
epair for 2 mode Rotary hammers HR2230, HR2460 and HR2460F
[3] DISASSEMBLY/ASSEMBLY
[3] -3. Armature
DISASSEMBLING
(1) Remove Handle cover by unscrewing three 4x22 Tapping screws (Figs. 15) and then disconnect Carbon brush from
Armature's Commutator. (Fig. 16)
Fig. 15
Tapping
screw
4x22 (3pcs.)
(2) Separate Gear housing complete from Motor housing. (Fig. 17) And disassemble Armature from Gear housing complete.
(Fig. 18)
Fig. 17
Gear housing complete
Tapping screw 4x35 (4 pcs.)
Fig. 18
Inner housing complete
ASSEMBLING
Do the reverse of the disassembling step.
Note: Do not forget to assemble Wave washer 15 to the Bearing box portion of Motor housing. Refer to Fig. 18.
Fig. 16
Handle cover
Spiral
spring
Note: Be careful not to deform Spiral spring as
Inner housing complete
Wave washer 15
Armature
Ball bearing
627DDW
Brush holder unit
illustrated right when shifting it from
Carbon brush.
Motor housing
Separate Gear housing complete from
Motor housing by unscrewing four 4x35
Tapping screws.
Armature can be removed together with
Gear housing complete.
Remove Armature from Gear housing
complete by striking the edge of Inner
housing complete with Plastic hammer.
Note: Be careful not to lose Wave washer 15
which is assembled in Motor housing.
Carbon brush
Disconnect Carbon brush in
the following order.
1. Turn Brush holder unit to
the appropriate position.
2. Shift the tail of Spiral spring
from Carbon brush.
3. Pull out Carbon brush
from the Commutator.
P 6/ 15