Makita BDA341/BDA351 Cordless Drill User Manual


 
P 5/ 8
ASSEMBLING
Refer to Figs. 11 to 13.
R
epair
[3]-3. Spur Gear 29, Spiral Bevel Gear 9
4x45 tapping screw (4pcs.)
1R269
Gear housing
Disassemble Gear housing together with
Gear housing cover from Motor housing
by unscrewing 4x45 Tapping screw.
Disassemble Ball bearing
696ZZ from the shaft of
Spiral bevel gear 9 with 1R269.
Remove Gear housing cover
from Gear housing by pulling
off.
Strike the edge of Gear housing
with plastic hammer.
Gear section can be removed
from Gear housing.
Gasket
Motor housing
Gear housing cover
cut
groove of spline
Ring spring 6
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
Ball bearing 696ZZ
Spur gear 29
Spiral bevel
gear 9
Ball bearing
608ZZ
Gear housing cover
Gear housing
Gear section
Fig. 11
Fig. 12
Fig. 13
Lock ring
Lock cam
Pin 3.5
Lock ring
Spur gear 29
Spur gear 29
Strike the work table with
shaft end of Spiral bevel
gear 9.
Spur gear 29 can be disassembled
from the shaft of Spiral bevel
gear 9.
Separate Lock ring
from Spur gear 29.
Lock cam and Pin 3.5 can be
removed from Spur gear 29.
ASSEMBLING
Fig. 15
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.
(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)
notch
notch
protrusion
1R029
Spur gear 29
Ring spring 6
Ball bearing 696ZZ
Correct the size and form
of Ring ring 6 by pressing
the portions designated in
black arrows.
Shaft of Spiral bevel gear 9
Gear housing
Gear housing
cover
Gasket
Do not forget to mount
Gasket between Gear
housing cover and Gear
housing.
Assemble the Gear section by
pressing spur gear 29 with
1R029, while aligning the
protrusions of Lock ring to
the notches of Gear housing.