Makita DGA404 Technical Information page 6

R
epair
[3] DISASSEMBLY/ASSEMBLY
[3]-2. Spiral bevel gear 37, Ball bearing 696ZZ and Ball bearing 6201DDW
DISASSEMBLING
Note: The subject parts can be removed without disassembling Motor section.
Disassemble Bearing box section as drawn in Fig. 13 to Fig. 19.
Fig. 13
Remove four M4x14
Pan head screws and
Bearing box from
Gear housing.
Remove Ball bearing
696ZZ with 1R269.
Bearing box
M4x14 Pan head
screw (4 pcs.)
Fig. 15
Receive Bearing box on 1R258.
Provide an impact to Spindle carefully with Arbor press so that Arbor press
does not touch Spiral bevel gear 37
and Spindle sinks slightly.
Fig. 17
Remove Retaining ring R-32 from
Bearing box with 1R291
1R291 Retaining ring R-32
Fig. 19
Bearing box section can be disassembled. Be careful about each position and the direction of Labyrinth ring
M4x14 Pan head
screw (4 pcs.)
Spindle Labyrinth ring
Note: When Spindle is removed from Spiral bevel gear 37, Ball bearing 6201DDW has a damage during the removal
process. Therefore, replace Ball bearing 6201DDW with a new one.
Gear housing
Ball bearing
696ZZ
Spindle
Fig. 18
Turn Bearing box upside down.
Receive Bearing box on U groove of Arbor
press table as shown right, and press down
Flat washer 12 and Ball bearing 6201DDW
with 1R027
Ball bearing
6201DDW
Flat washer 12/ Ball bearing 6201DDW
Bearing box
Bearing box
O ring 45
Fig. 14
While opening Ring spring 11 with 1R004, pry and
remove it from Spindle with a slotted screwdriver.
Ring
spring 11
Slotted
screwdriver
Pry up
Arbor press
Spiral bevel
gear 37
Bearing box
1R258
Arbor press
1R027
Bearing box
U groove of Arbor press table
Ball bearing Retaining ring
6201DDW R-32
Flat washer 12
Fig. 16
Press down Spindle with 1R280.
Spindle
Spiral bevel gear 37
Ring spring 11
Ball bearing 696ZZ
P 6/ 14
1R004
Open
Arbor press
1R280
Spiral bevel
gear 37
Bearing box
1R258