P
4
/1
3
R
epair
[3] DISASSEMBLY/ASSEMBLY
[3] -1. Hammer Case Section
DISASSEMBLING
ASSEMBLING
(4) Hammer case section can now be disassembled as shown in
Fig. 5
.
Fig. 5
Hammer case complete
Hammering mechanism
Internal gear 51
O Ring 40
Bearing box
complete
(1) Assemble Hammer case section. (
Figs. 6, 7, 8
and
9
)
(2) Mount Hammer case section to Housing in the reverse order of disassembly. (
Figs. 3
and
2
)
groove of
Bearing box complete
Socket 32-50
(No.134848-9)
Bearing box
complete
Hammer section
Hammer case
complete
Spur gear 22
stopper portion
1. While engaging Spur gear
22 with Internal gear 51,
set Hammer section in place.
Fig. 6
Fig. 8
Fig. 9
Fig. 7
Hammer case complete,
viewed from bottom
Internal gear 51
stopper portion
Hammer case
complete
Socket 32-50
(134848-9)
Turn 1R223 counterclockwise.
Note:
The fastening torque must
be 40 to 45 N.m.
protrusion of Internal gear 51
Bearing box complete
1R224
Hammer case complete
Socket 30-78 (134847-1)
1. Put O ring 40 into the groove
of Bearing box complete.
2. Put Internal gear 51 on
Bearing box complete
with its stepped end on
O ring 40.
2. Align the stopper portion of
Hammer case complete with
either one of the 4 protrusions
of Internal Gear 51, then put
Hammer case complete over
Bearing box complete.
