Makita BTD129 Technical Information page 7

R
epair
[3] DISASSEMBLY/ASSEMBLY
[3] -3. Hammer Section
DISASSEMBLING
(1) Remove Hammer case complete and Housing (R). (Refer to Fig. 2)
(2) Separate Hammer section from Internal gear case complete. (Fig. 10)
Fig. 10
(3) Disassemble Steel balls 5.6. (Fig. 11)
Fig. 11
1. Pull Hammer downwards using 1R045
to align the opening for Steel ball insertion
with the top of the cam grooving on Spindle,
and then remove Steel balls 5.6 from Spindle.
Spindle
Top of the
cam groove
on Spindle
Opening for
Steel ball
insertion
Internal gear case complete
Hammer section
2. Hold Hammer section as shown below in Fig. 11R, and
then release it from 1R045.
Caution: Do not hold Hammer section as shown below
Steel Ball 5.6
(2pcs.)
Fig. 11R
Hammer
1R045
in Fig. 11F when releasing Hammer section
from 1R045. Failure to follow this instruction
could cause Steel balls 3.5 to fall out from it.
Fig. 11F
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