F 250 4WD Pickup L6-300 4.9L (1982)
Brake Shoe: Service and Repair
Installation
1.
Clean ledge pads on backing plate, sanding lightly to bare metal.
2.
Apply suitable lubricant to retracting and hold-down spring contacts on brake shoes and backing plate.
3.
Apply suitable lubricant to threads and socket end of adjusting screw.
4.
Install upper retracting spring on primary and secondary shoes and position shoe assembly on backing plate with wheel cylinder pushrods in shoe
slots.
5.
Install brake shoe hold-down springs.
6.
Install brake shoe adjustment screw assembly with the slot in the head of adjustment screw facing primary shoe, lower retracting spring, adjusting
lever spring, and adjusting lever assembly, and connect adjusting cable to adjusting lever. Socket end of each adjusting screw is stamped ``R'' or
``L'' to indicate use on right or left side of vehicle. Adjusting pivot nuts can be identified by number of lines machined around body of nut. Two
lines indicate righthand nut and one line indicates lefthand nut.
7.
Position cable in cable guide and install cable anchor fitting on the anchor pin.
8.
Install parking brake assembly in anchor pin and secure with retaining nut behind backing plate.
9.
On vehicles with full-floating axles, install brake drums as follows:
a. Place brake drum on hub and install attaching screws, bolts, or bolts and nuts.
b. Place hub and drum as an assembly on axle and start adjusting nut.
c. Adjust wheel bearing nut and install wheel bearing lock washer and lock nut. See REAR AXLE for procedure.
d. Install new gasket and the bolts and lock washers.
e. Install wheel and tire assembly.
f.
Adjust brakes. Refer to individual truck chapter for correct adjustment procedure.
10.
On vehicles with semi-floating axles, install brake drums as follows:
a. Adjust brakes. Refer to individual truck chapter for correct adjustment procedure.
b. Install drum.
c. Install brake drum retaining nuts and tighten securely.
d. Install wheel on axle shaft flange studs against drum, and tighten retaining nuts.
11.
If any hydraulic connections have been opened, perform system brake bleeding procedures.
12.
Check master cylinder fluid level, filling as necessary.
13.
Check brake pedal for proper feel and return.
14.
Lower vehicle and road test.
