|
|
|
REAR WHEEL DRUM BRAKES INDEX page page Brake Drum Refacing . . . . . . . . . . . . . . . . . . . . . 21 Brake Shoe Assemblies . . . . . . . . . . . . . . . . . . . 19 Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 Service Procedures . . . . . . . . . . . . . . . . . . . . . . . 18 DESCRIPTION Rear wheel drum brakes (Fig. 2 & 3) are two shoe, internal expanding type with an automatic adjuster WARNING: DUST AND DIRT ON BRAKE PARTS AND CANCER. EXTREME CARE SHOULD BE EXERCISED WHILE SERVICING BRAKE ASSEMBLIES OR COMPONENTS. DO NOT CLEAN BRAKE ASSEMBLIES OR COM- PONENTS WITH COMPRESSED AIR OR BY DRY DO NOT CREATE DUST BY SANDING, GRINDING, AND/OR SHAVING BRAKE LININGS OR PADS UN- DISPOSE OF ALL DUST AND DIRT SUSPECTED TO CONTAIN ANY ASBESTOS FIBERS IN SEALED FOLLOW ALL RECOMMENDED PRACTICES PRE- SCRIBED BY THE OCCUPATIONAL SAFETY AND IT IS RECOMMENDED NOT TO BREATH ANY TYPE OF BRAKE LINING MATERIAL DUST EVEN SERVICE PROCEDURES REAR BRAKE DRUM REMOVAL If the rear brake drum is difficult to remove, fur- ther clearance can be obtained by backing off the See adjusting rear service brakes in the Service Adjustments section in this group of the service man- Remove wheel bearing grease cap (Fig. 1). washer and outer bearing cone (Fig. 1). Remove brake drum and hub and bearing assembly from the rear spindle (Fig. 1). Inspect brake linings for wear, shoe alignment and contamination. BRAKE DRUM INSTALLATION Install brake drum and hub and bearing assembly on rear spindle. Install outer wheel bearing, thrust washer and nut. N Im (240 to 300 in. lbs.) torque while rotating hub. This seats the bearings. Back off adjusting nut 1/4 turn (90°) then tighten adjusting nut finger tight. Position lock on nut with one pair of slots in-line with cotter pin hole. Install cotter pin. Fig. 1 Brake Drum and Hub Assembly 5 - 18 BRAKES Ä |