O Ring 78; Fig. 13; Spring - Makita GA7030R Technical Information

R
epair
[4] DISASSEMBLY/ASSEMBLY
[4]-2. Large spiral bevel gear, Ball bearing 6203DDW
ASSEMBLING
Assemble as illustrated in Figs. 13 and 14.

Fig. 13

Make sure that O ring 78 is mounted to
Bearing box as illustrated below.
Assemble Ball bearing 6203DDW and
Bearing retainer 50 to Bearing box.
Bearing retainer 50
Ball bearing
6203DDW

O ring 78

Bearing box
1R224
1R204
M15-23 Nut
Pre-setting 1R223 to 55- 60 N.m fastening torque,
tighten M15-23 Circular nut by turning 1R223 counterclockwise.
Fig. 14
1) Align the center of two Cup springs 20 with that of Spindle
as illustrated below when tightening M15-23 Nut.
Do not to pinch two Cup springs 20 between the round end
of M15-23 Nut and Lock washer as illustrated right.
2) Pay attention to the direction of two Cup springs 20.
Refer to the following illustration and Fig. 13.
Cup spring 20
Lock washer
M5x16 Pan head
Set Spindle complete in place
screw (3pcs.)
carefully with Arbor press.
1R223
Note in Assembling of Cup spring 20 to M15-23 Nut
Spindle
complete
Spindle
complete
Cup spring 20
Oval top of
M15-23 Nut
Round end of
M15-23 Nut
P 7/ 11
Clamp the flat portions of
Spindle complete with vise,
and assemble the components
of Torque limiter to Spindle.
M15-23 Nut
Cup spring 20
Lock washer
Large spiral
bevel gear
Flat washer 15
Spindle complete
Spindle
Lock
washer
Large spiral
bevel gear