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R
epair
[3] DISASSEMBLY/ASSEMBLY
[3]-1. Hammer case complete (cont.)
ASSEMBLING
(1) Internal gear 71 can be assembled to Internal gear cover complete as illustrated in Fig. 5.
Fig. 5
Internal gear 71
Internal gear
cover complete
(2) Assemble Hammer case section by reversing the disassembling step. Refer to Figs. 4 and 3.
(3) Assemble Hammer case section to Motor housing as illustrated in Fig. 6.
Fig. 6
1. Align the protrusion of Hammer case complete
with the protrusion of Internal gear cover
complete.
Protrusion
of Hammer case
complete
2. Fit the protrusion of Hammer case into the groove of Handle cover.
(4) Pass four M5x50 Hex socket head bolts through Urethane rings 5 and Cup washers 5.(Refer to Fig. 2.)
Secure Hammer case section to Motor housing by tightening M5x50 Hex socket head bolts.
Note: Pre-set the fastening torque of 1R344 to 1.6 N.m - 2.0 N.m when fastening Hammer case section with
M5x50 Hex socket head bolts
[3]-2. Armature
DISASSEMBLING
(1) Armature can be disassembled as illustrated in Figs. 2 and 3.
(2) Remove Ball bearings from the Armature as illustrated in Fig. 7.
Fig. 7
Ball bearing 607LLB
Fit the protrusions of Internal gear 71
into the notches of Internal gear cover
complete.
Protrusion
of Internal gear
cover complete
1R269
Groove of
Handle cover
Ball bearing 608DDW
P 4/ 10
1R269
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