Komatsu 830E-AC Shop Manual page 613

9. Remove the four spring washers (1, Figure 6-7)
from the parking piston cavity of the caliper
housing.
FIGURE 6-7. SPRINGS AND CAP
1. Spring Washers
10. Remove the shoulder bolt and spring (1, Figure
6-8), loosened in Step 5, from the parking pis-
ton cavity.
FIGURE 6-8. CAP SCREW
1. Shoulder Bolt & Spring
2. Parking Piston
11. Use a pick or suitable tool to separate the park-
ing piston boots from the groove in the parking
piston adjusting bolts.
J06025 10/06
2. Cap
3. Adjusting Bolt
Armature Speed Rear Disc Brakes
12. Pull the adjusting bolt (1, Figure 6-9) from the
collar inside the parking pistons of each caliper
housing.
FIGURE 6-9. PARK PISTON
1. Parking Piston
Adjusting Bolt
13. Use a pick or suitable tool to remove the parking
piston boots from each caliper housing.
14. Use suitable snap ring pliers to remove the
parking piston adjusting collar retaining snap
ring (1, Figure 6-10) from inside the groove of
the parking piston. Remove the adjusting collar.
FIGURE 6-10. ADJUSTING COLLAR
1. Snap Ring
2. Caliper
2. Adjusting Collar
J6-9