Makita BTD129 Technical Information page 6

R
epair
[3] DISASSEMBLY/ASSEMBLY
[3] -2. Anvil and Bit holder section
DISASSEMBLING
(1) Disassemble Hammer case complete from Housing set. (Refer to Fig. 2)
(2) Disassemble Bit holder section. (Figs. 7, 8 and 9)
Fig. 7
Use 1R232 for holding Sleeve firmly
for easy removal of Ring spring 11.
Ring spring 11
Sleeve
Anvil
Hammer case
complete
1R232
Fig. 9
Flat washer 12, Compression spring 13 and
Sleeve can now be removed from Anvil.
Flat washer 12
Compression spring 13
Sleeve
Anvil
1R232
ASSEMBLING
Assemble in the reverse order of disassembly. (Refer to Figs. 9, 8 and 7)
Fig. 8
Raise this side of Ring spring 11 with index finger to remove it.
Press the top of Sleeve with
thumb so as not to allow
Compression spring 13
to pop out and away.
Anvil and Nylon washer 14 can now be removed from
Hammer case complete.
Be careful not to lose Steel balls 3.5.
Hammer case complete
Ring spring 11
Expand the end gap of
Ring spring 11 with 1R291.
Sleeve
Nylon washer 14
Anvil
Steel ball 3.5 (2psc.)
P 6/ 12