Makita TW0350 Technical Information page 3

R
epair
< 3 > Disassembling the mechanical section
( 1 ) Separate hammer case cover from hammer case by pulling in the vertical direction as illustrated in Fig. 3R
in stead of Fig. 3F.
Hammer unit
(hammer, spindle,
Hammer case
Hammer case
cover
Fig. 3R
( 2 ) Remove anvil and flat washer 19 from hammer case. See Fig. 4.
( 3 ) Remove the hammer unit and spur gear 19-41 and 3 pcs. of flat washer 8 from hammer case cover.
See Fig. 5.
Flat washer 19
Fig. 4
< 4 > Disassembling hammer unit
( 1 )Pull hammer toward gear
side with "No.1R045 Gear
extractor", and in order to
take out steel ball 6.4
align the top of cam groove
of spindle with the opening
portion of hammer.
See Fig. 6.
compression spring 28, etc.)
This part can remain
in the hammer case.
Anvil
Steel
ball 6.4
Opening
portion
Top of cam
groove
Steel ball 6.4
Fig. 3F
The hammer unit
(hammer, spindle,
compression spring 28, etc.)
Spur gear 19-41
Fig. 5
< Note > Be careful, not to lose flat washers.
Gear
P 3 / 8
The parts can fall
off the hammer case
cover.
Flat washer 8
Flat washer 8
Fig. 6