Hammer Case - Makita BTD136 Technical Information

R
epair
[3] DISASSEMBLY/ASSEMBLY
[3] -1. Hammer Case Section
DISASSEMBLING
(4) Hammer case section can now be disassembled as shown in Fig. 5.
Fig. 5
Bearing box
complete
ASSEMBLING
(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)
Fig. 6
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.
groove of
Bearing box complete
Socket 32-50
(No.134848-9)
Fig. 8
Hammer case complete,
viewed from bottom
stopper portion
Fig. 7

Hammer case

Hammer section
Spur gear 22
Bearing box
Socket 32-50
Fig. 9
Internal gear 51
Hammer case
complete
Hammer case complete
Hammering mechanism
Internal gear 51
O Ring 40
complete
complete
(134848-9)
1. While engaging Spur gear
22 with Internal gear 51,
set Hammer section in place.
stopper portion
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.
protrusion of Internal gear 51
Turn 1R223 counterclockwise.
Note: The fastening torque must
be 40 to 45 N.m.
1R224
Socket 30-78 (134847-1)
Hammer case complete
Bearing box complete
P 4/13