TM-9-2320-361-24-1 Field Maintenance Manual Volume 1 for M44A2 Series Trucks
Page 162 of 1176
TM 9-2320-361-24-1 0010 00 0010 00-2 COMPRESSED AIR AND BRAKE SYSTEM TROUBLESHOOTING (Contd) Table 1. Parking Brake Troubleshooting Procedures. MALFUNCTION TEST OR INSPECTION CORRECTIVE ACTION 1. PARKING BRAKE WILL NOT HOLD VEHICLE 1. Check parking brake cable (1) for breaks, bends, or improper adjustment. 2. Inspect parking brakeshoes (5) for wear. 3. Inspect parking brakeshoe linings (5) and drum (4) for dirt and oil. 4. Check parking brakeshoe (5) clearance adjustment (WP 0164 00). 5. Check to see if all parts are in place and serviceable. 1. Replace parking brake cable (1) if broken (WP 0165 00). 2. Adjust parking brake cable (1) if out of adjustment (TM 9-2320-361-10). If parking brakeshoe (5) linings are worn more than 0.188 in. (4.78 mm), replace (WP 0164 00). Replace parking brake shoes and linings, and clean drum (WP 0164 00). If parking brakeshoe (5) clearance is out of adjustment, adjust (WP 0164 00). Repair or replace unserviceable components (WP 0164 00). 2. PARKING BRAKE DRAGS 1. Check brakeshoe retracting spring (2) and lever retracting spring (3) for breaks, bends, missing parts, disconnected conditions, or damaged parts on shoe. 2. Check parking brake cable (1) for binding or improper adjustment. 3. Check parking brake shoe (5) clearance adjustment (WP 0164 00). 1. Reconnect brakeshoe retracting spring (2) or lever retracting spring (3) if disconnected. 2. If brakeshoe retracting spring (2) or lever retracting spring (3) is broken, bent, or missing, replace (WP 0164 00). If parking brake cable (1) is binding or out of adjustment, replace (WP 0165 00) or adjust (TM 9-2320-361-10). If parking brake shoe (5) clearance is out of adjustment, adjust (WP 0164 00).