Rampage L4-135 2.2L (1983)
Brake Shoe: Service and Repair
Models W/12 & 13 Inch Drums
Removal
Fig. 1 Drum brake assembly. Models w/12 & 13 inch drums
1.
Raise and support vehicle.
2.
Remove wheel and tire assembly.
3.
Remove axle shaft nuts, washers, and cones, then the axle shaft. If cones do not release, rap axle shaft sharply at center.
4.
Remove outer hub nut, then straighten lock washer and remove washer, inner nut, and bearing.
5.
Remove brake drum. If brake lining is dragging on brake drum, back off brake adjustment by rotating adjusting screw.
6.
Unhook adjusting lever return spring from lever, remove lever and return spring from lever pivot pin, and unhook adjuster lever from adjuster
cable assembly.
7.
Using suitable pliers, unhook upper shoe-to-shoe spring, then unhook and remove shoe hold-down springs.
8.
Disconnect parking brake cable from parking brake lever.
9.
Remove shoes, lower shoe-to-shoe spring and star wheel as an assembly.
Installation
Pivot screw and adjusting nut have lefthand threads on left side brakes and righthand threads on right side brakes.
1.
Using suitable lubricant, lubricate and assemble star wheel assembly, then lubricate guide pads on support plates.
2.
Assemble star wheel, lower shoe-to-shoe spring, and brake shoes and position assembly on support plate.
3.
Connect parking brake cable to parking brake lever.
4.
Install and hook hold-down springs.
5.
Install upper shoe-to-shoe spring.
6.
Position adjuster lever return springs on pivots.
7.
Install adjuster lever and route adjuster cable and connector to adjuster.
8.
Position drum on axle housing.
9.
Install wheel bearing and inner nut.
a.
Tighten adjusting nut to 120 to 140 ft. lbs. (163 to 190 N-m) while rotating wheel.
b.
Back off adjusting nut one-third turn (120 degrees) to obtain 0.001 to 0.008 inch end play.
c.
Tap nut lock into spindle keyway.
d.
Install lock washer and outer nut, bending washer to lock in place.
10.
Place new gasket on hub and install axle shaft, cones, lock washers, and nuts.
11.
Adjust brakes. The service brakes must be adjusted before the parking brake.
a.
Insert adjusting Tool C-3784, into star wheel of adjusting screw. Move handle of tool upward until a slight drag is felt when road wheel is
rotated.
b.
Insert a thin screwdriver or piece of welding rod into brake adjusting hole and push adjusting lever out of engagement with star wheel. Care
should be taken so as not to bend adjusting lever or distort lever spring.
c.
While holding adjusting lever out of engagement, back off star wheel to insure a free wheel with no brake shoe drag.
d.
Repeat the above adjustment at each wheel. The adjustment must be equal to all wheels. Install adjusting hole covers in brake supports.
e.
Adjust parking brake after wheel brake adjustment.
12.
Install tire and wheel assembly.
13.
If any hydraulic connections have been opened, bleed brake system.
14.
Check fluid level in master cylinder, filling as necessary.
15.
Check brake pedal for proper feel and return.
16.
Lower vehicle and road test.
