Komatsu 830E-AC Shop Manual page 608

10. Remove cap screws and flat washers (9).
Remove adapter (10). Remove inner caliper
half from adapter (2).
11. Remove the two center caliper mount cap
screws (13) from inboard caliper (14) and install
two 7/8-9 NC X 14 in. studs.
12. Slowly remove the four remaining caliper mount
cap screws. The brake lining is under spring
pressure, and it will extend out as the cap
screws are loosened. Do not let the brake lining
pull away from the caliper housing (14, Figure
6-2).
13. Use small diameter wire and wrap it around the
brake lining and caliper. Slide caliper half off
studs and remove from wheel motor.
14. Support inner disc (12) and remove cap screws
and flat washers (11). Remove inboard disc
(12). Remove shims (7) and bushing (8)
between disc and adapter.
15. Use small diameter wire and wrap it around the
brake lining and inner caliper half (14).
16. Remove inner half of caliper (14). A brake
bleeder may have to be removed temporarily to
obtain clearance around adapter (15). Cover or
plug hole in caliper to prevent dirt contamination
inside caliper.
17. Remove cap screws and flat washers (3) and
remove adapter (2).
J6-4
.
1. Wheel Motor
2. Adapter
3. Cap Screw/Flat-
washer
4. Shims
5. Caliper Assembly
6. Cap Screw/Flat-
washer
7. Shims
8. Bushing
Armature Speed Rear Disc Brakes
FIGURE 6-2. REAR DISC BRAKE
9. Cap Screw
10. Adapter, Brake Disc
11. Cap Screw &
Flatwasher
12. Disc
13. Cap Screw &
Flatwasher
14. Caliper Assembly
15. Adapter/Armature
Shaft Drive
10/06 J06025