Makita DTD148 Technical Product Information page 5

R
epair
[3] DISASSEMBLY/ASSEMBLY
[3] -1. Hammer case complete (cont.)
ASSEMBLING
(1) Assemble Hammer case section. (Figs. 4, 5, 6 and 7 )
(2) Mount Hammer case section to Housing in the reverse order of disassembly. (Fig. 2)
(3) Assemble Bumper to the machine. (Fig. 8)
Fig. 4
1. Put O ring 40 into the groove
of Bearing box complete.
2. Put the small diameter
portion of Internal gear 51
on O ring 40 in Bearing
box complete.
groove of
Bearing box complete
Socket 32-50
(134848-9)
Fig. 6
Hammer case complete,
viewed from bottom
stopper portion
Fig. 8
Mount Bumper to Hammer case cover by
engaging four inner projections with four
corresponding holes, and two inner notches
with two corresponding claws.
Fig. 5
Hammer case
Spur gear 22
Bearing box
Socket 32-50
(134848-9)
Fig. 7
Internal gear 51
Hammer case
complete
Hammer case cover
claw
complete
Hammer
section
complete
Turn 1R223 counterclockwise.
Note: The fastening torque must
Hole
Claw
Hole
P 5/ 14
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 projections
of Internal Gear 51, then put
Hammer case complete over
Bearing box complete.
Projection of Internal gear 51
be 45 to 55 N·m.
(460 ~ 560 kgfcm)
1R224
Socket 30-78 (134847-1)
Hammer case complete
Bearing box complete
Bumper
Inner projection
Inner notch
Inner projection