Makita DGA405 Technical Information page 6

R
epair
[3] DISASSEMBLY/ASSEMBLY
[3]-2. Spiral bevel gear 37, Ball bearing 696ZZ / 6201DDW (cont.)
ASSEMBLING
(1) Assemble Flat washer 12 and Ball bearing 6201DDW to Bearing box. (Refer to Fig. 7 of page 5.)
(2) Secure Ball bearing 6201DDW with Retaining ring R-32. (Refer to Fig. 7 of page 5.)
(3) Assemble Spiral bevel gear 37 to Spindle as drawn in Fig. 8.
(4) Reverse the disassembly procedure of Figs. 7 and 6 of page 5 to set Bearing box section in place.
Fig. 8
1. Insert the thread of Spindle into
the hole on 1R036 to receive
the stepped portion of Spindle
as drawn below.
Bearing box Stepped
portion of
Spindle
1R036 1R036
Thread of Spindle
[3]-3. Shaft lock mechanism
DISASSEMBLING
Remove Shaft lock mechanism (Shoulder pin 4, Compression spring 8 and Pin cap) as drawn in Fig. 9.
Fig. 9
1. Separate Gear section (Gear housing, Bearing
box) by unscrewing four 4x30 Tapping screws.
Gear housing
3. Apply 1R268 to Shoulder pin 4 through
the small hole on Pin cap and tap 1R268
with Metal hammer.
Shoulder pin 4 is removed from Gear
housing.
ASSEMBLING
Note: Do not reuse Pin cap. It is because removal of
Shoulder pin 4 damages the inside surface.
(1) Clean up the plastic dust from Gear housing, Compression spring 8 and Shoulder pin 4. (Fig. 11)
(2) Assemble the components as drawn in Fig. 12.
Fig. 11
Be sure to clean up
plastic dust here.
O ring 5
2. Put 1R029 on the area around the center
hole of Spiral bevel gear 37 and then
press it down.
1R029
1R036
Bearing box
4x30 Tapping
screws (4 pcs.)
Fig. 12
1. Insert Shoulder pin 4 through
the hole of Gear housing complete.
Shoulder pin 4
with O ring 5
3. Snap Ring spring 11 into the groove
of Spindle to secure Spiral bevel
gear 37, and then assemble Ball
bearing 696ZZ to Spindle.
Spiral bevel
gear 37
Ball bearing
Bearing box
696ZZ
2. Separate Bearing box section from Gear housing
by unscrewing four M4x14 Pan head screws.
Gear housing
4. Release 1R268 from Pin cap
carefully so that Pin cap is not
Small hole
slung by Compression spring 8.
of Pin cap
1R350
Shoulder pin 4
Pin cap
Compression Spring 8
2. Assemble Compression spring 8
and new Pin cap to Shoulder pin 4.
P 6/ 11
Ring spring 11
Bearing box
M4x14 Pan head
screws (4 pcs.)
Pin cap
Compression
spring 8
Top of Shoulder pin 4