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28. Install the spring onto the shoulder bolt. Insert
the shoulder bolt and spring (1, Figure 6-34)
into the adjusting bolt (3).
29. Using a long 3/16-inch (4.763 mm) Allen
wrench, align the backing plate threaded hole
with the shoulder bolt and install the shoulder
bolt and tighten to 13.6-17.0 N·m (120-150 in.
lb).
30. Thoroughly apply a graphite-base anti-sieze
compound to all spring washer surfaces, outer
parking piston surfaces and to the threads of
the parking piston cap.
NOTE: The concave side of the first spring washer
must face the parking piston, cup down. Install the
second cup up, third cup down and fourth cup up.
NOTE: Center each of the spring washers in the
piston to make installation of the parking piston cap
easier.
FIGURE 6-34. CAP SCREW
1. Cap Screw & Spring
2. Parking Piston
J6-26
3. Adjusting Bolt
Armature Speed Rear Disc Brakes
31. Install four spring washers (1 & 2, Figure 6-35)
onto the surface of each parking piston.
FIGURE 6-35. SPRING WASHERS
1. Spring Washers (Concave side toward cap)
2. Spring Washers (Concave side toward piston)
3. Spring Piston Cap
10/06 J06025
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