Makita BTW152 Technical Information page 8

R
epair
[3] DISASSEMBLY/ASSEMBLY
[3]-3. Hammer Section
DISASSEMBLING
1) Disassemble Hammering section from Hammer case complete. See Figs. 2 to 4.
2) The removed Hammer section are disassembled as illustrated in Figs. 12 to 15.
Fig. 12
1. Press down Hammer using 1R045 to align
the opening for Steel ball insertion with
the top of cam grooving on Spindle.
And then remove Steel ball 5.6 from Spindle.
Spindle
Top of
cam groove
on Spindle
Opening for
Steel ball
insertion
Fig. 14
3. Hammer section can now be disassembled as illustrated below.
Spindle section
Cup washer 14
Compression
spring 25
Hammer
Fig. 13
2. Hold Hammer section as illustrated in Fig. R,
and release it from the Gear extractor.
Note:
Do not hold gear extractor as illustrated in Fig. F
when releasing Hammer section from the Gear extractor.
Steel ball 5.6
Failure to follow this instruction could cause Steel balls
(2pcs.)
to get out of hammer.
Fig. R
Hammer
Flat washer 12
Pin 5
Spindle Spur gear 22
Fig. F
Fig. 15
4. After removing Flat washer 24,
Steel balls 3.5 can be removed
from Hammer.
Hammer
Steel ball 3.5
(24 pcs.)
P 8/10
Flat washer 24