Komatsu 830E Shop Manual page 384

25. Install linings (Refer to "Lining Replacement").
26. Install bleeders in both calipers. Install crossover
tubes and brake lines.
FIGURE 6-3A REAR DISC BRAKE
1. Wheel Motor
2. Adapter
3. Capscrew
4. Park Brake Bracket
5. Brake Assembly
6. Capscrew/Flatwasher
7. Shims
8. Bushing
9. Capscrew
J6-4
Note: One-Piece
Adapter (16) Shown
10. Adapter, Brake Disc
11. Capscrew/Flatwasher
12. Disc
13. Capscrew/Flatwasher
14. Brake Assembly
15. Spacer
16. Adapter/Armature
Shaft Drive
Rockwell Armature Speed Rear Disc Brakes
27. Install park brake caliper, refer to "Park Brake Cal-
iper Installation".
28. Brakes must be bled and burnished before truck is
returned to production. Refer to "Bleeding" and
"Service Brake Conditioning" procedure.
CALIPER, DISC, AND PARKING BRAKE REMOVAL
[For trucks equipped with one-piece adapter (16,
Figure 6-3A)]
NOTE: Refer to "Caliper, Disc, and Parking Brake
Removal", Steps 1-6 (page 1) to remove the park brake
caliper.
1. Remove crossover tube (4, Figure 6-2) from
upper service brake caliper. Remove crossover
tube on lower brake assembly.
2. Removal of brake caliper is easier with linings
removed. Remove retainer capscrews (1), lining
retainers (2) and linings.
3. Remove two center caliper mount capscrews (6,
Figure 6-3A) from outboard caliper and install two
0.875 in., 9 UNC x 14 in. studs.
4. Remove two remaining caliper mount capscrews
and remove outer half of caliper (5).
5. Support outer disc (12) and remove disc mount
capscrews (11) and washers. Slide disc from out-
board adapter (10). Shims (7) will be found
between disc and adapter. Remove bushing (8)
and inner half of caliper (5). Remove park brake
bracket (4).
6. Remove capscrews and flatwashers (9). Remove
adapter (10).
7. Remove two center caliper mount capscrews (13)
from inboard caliper and install two 0.875 in., 9
UNC x 14 in. studs.
8. Remove two remaining caliper mount capscrews
and remove outer half of caliper (14).
9. Support inner disc (12) and remove capscrews
and flatwashers (11). Remove inboard disc (12).
Remove shims (7) and bushing (8) between disc
and adapter.
10. Remove inner half of caliper (14) and spacer (15).
11. Remove capscrews and flatwashers (3) and
remove adapter (2).
J06020