Makita BDA341 Technical Information page 5

R
epair
[3]-3. Spur Gear 29, Spiral Bevel Gear 9
ASSEMBLING
Refer to Figs. 11 to 13.
Fig. 11
4x45 tapping screw (4pcs.)
Gear housing cover
Motor housing
Disassemble Gear housing together with
Gear housing cover from Motor housing
by unscrewing 4x45 Tapping screw.
Fig. 12
Disassemble Ball bearing
696ZZ from the shaft of
Spiral bevel gear 9 with 1R269.
Insert the pick between the groove of spline and the near point to
Ring spring's cut. And Lever up Ring spring with the pick
Fig. 13
Strike the work table with
shaft end of Spiral bevel
gear 9.
ASSEMBLING
(1) Take the reverse of the disassembling steps. Refer to Figs. 13 and 12, Pay attention to Fig. 14.
(2) Mount the Gear section to Gear housing as illustrated in Fig. 15.
(3) Assemble Gear housing and Gear housing cover to Motor housing by screwing 4x45 Tapping screws. (Fig. 11)
Fig. 14
Note: Ring Spring 6 has got wider than the size it
was, due to the disassembling step. Therefore,
Correct the size and form by pressing it with
pliers after assembling to the shaft of Spiral
bevel gear 9.
Fig. 15
1R029
Spur gear 29
protrusion
notch
notch
Gear housing
Gasket
Remove Gear housing cover
from Gear housing by pulling
off.
1R269
Spur gear 29 can be disassembled
from the shaft of Spiral bevel
gear 9.
Ball bearing
608ZZ
Spiral bevel
gear 9
Lock ring
Spur gear 29
Ball bearing 696ZZ
Assemble the Gear section by
pressing spur gear 29 with
1R029, while aligning the
protrusions of Lock ring to
the notches of Gear housing.
Gear housing
Gear housing cover
Ball bearing 696ZZ
Separate Lock ring
from Spur gear 29.
Lock ring
Spur gear 29
Shaft of Spiral bevel gear 9
Gear housing
cover
Gasket
Gear housing
P 5/ 8
Gear section
Strike the edge of Gear housing
with plastic hammer.
Gear section can be removed
from Gear housing.
Ring spring 6
cut
groove of spline
Lock cam and Pin 3.5 can be
removed from Spur gear 29.
Lock cam
Spur gear 29
Correct the size and form
of Ring ring 6 by pressing
the portions designated in
black arrows.
Ring spring 6
Do not forget to mount
Gasket between Gear
housing cover and Gear
housing.
Pin 3.5