Makita BTD129 Technical Information page 8

R
epair
[3] DISASSEMBLY/ASSEMBLY
[3] -3. Hammer Section (cont.)
DISASSEMBLING
(4) Now Hammer section is disassembled as drawn in Fig. 12.
Fig. 12
1. Hammer section can now be disassembled as shown below.
Spindle section
Cup washer 14
Compression
spring 24
Hammer
ASSEMBLING
Assemble in the reverse order of Disassembly. (Refer to Figs. 12, 11 and 10)
Note in Assembling:
Before putting Flat washer 24 in Hammer, make sure that twenty-four Steel balls 3.5 are put in the groove of Hammer
as shown in Fig. 13.
Fig. 13
Hammer and Steel balls 3.5,
viewed from above
Flat washer 12
Pin 5
Spur gear 22
Spindle
Hammer
Steel balls 3.5
There will appear a space equivalent to
one Steel ball 3.5 in the groove of Hammer
when twenty-four Steel balls 3.5 are put
in place.
2. After removing Flat washer 24,
Steel balls 3.5 can be removed
from Hammer.
Hammer
Steel ball 3.5
(24 pcs.)
Flat washer 24
P 8/ 12