TM-9-2320-361-24-1 Field Maintenance Manual Volume 1 for M44A2 Series Trucks
Page 1062 of 1176
TM 9-2320-361-24-1 0169 00 0169 00-2 HYDRAULIC WHEEL CYLINDER REPLACEMENT (Contd) REMOVAL WARNING Accidental or intentional introduction of liquid contaminants into the environment is a violation of state, federal, and military regulations. Refer to Army POL (WP 0001 00) for information concerning storage, use, and disposal of these liquids. Failure to do so may result in damage to environment and health of personnel. CAUTION Cover or plug all hoses, connections, and openings immediately after disconnecting or removing a component to prevent contamination. Remove all plugs prior to component installation. Failure to comply may result in equipment damage. NOTE Front and rear wheel cylinders are replaced the same way. This procedure covers the left front. 1. Remove brakeshoe return spring (10) from two brakeshoes (8) and (14). NOTE Use a drain pan to capture any draining brake fluid. Dispose of fluids in accordance with local policy and ordinances. Ensure all spills are cleaned up. 2. Remove brake line screw (2), two washers (1), and hose connector (3) from wheel cylinder (11). Discard two washers (1). 3. Remove hose connector (3) from brake line (4) and discard. 4. Remove two screws (5) and lockwashers (6) from backing plate (7) and wheel cylinder (11). Discard lockwashers (6). 5. Slide brakeshoes (8) and (14) off slotted pushrods (9) and remove wheel cylinder (11) and dust shield (13) from backing plate (7). INSTALLATION 1. Install dust shield (13) and wheel cylinder (11) on backing plate (7) with slotted pushrods (9) placed in brakeshoes (8) and (14) slots. 2. Install two new lockwashers (6) and screws (5) into wheel cylinder (11) and backing plate (7). Tighten screws (4) 27–35 lb-ft (37–48 N•m). 3. Install new hose connector (3) to brake line (4) and tighten. 4. Install hose connector (3) to wheel cylinder (11) with two washers (1) and brake line screw (2). Tighten screw (2) 65 lb-ft (88 N•m). 5. Install brakeshoe return spring (10) on two brakeshoes (8) and (14). 6. Install front or rear hubs and drums (WP 0187 00 or WP 0188 00). 7. Bleed service brakes (WP 0172 00). 8. Adjust service brakes (WP 0168 00). 9. Connect battery ground cable (WP 0126 00). 10. Release parking brake and remove wheel chocks (TM 9-2320-361-10).