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TM-9-2320-361-24-1 Page 614

TM-9-2320-361-24-1 Field Maintenance Manual Volume 1 for M44A2 Series Trucks

Page 614 of 1176


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TM 9-2320-361-24-1 0068 00 0068 00-2 FUEL INJECTOR TUBES MAINTENANCE (Contd) WARNING • Diesel fuel is flammable. Do not perform fuel system procedures near open flame. Injury to personnel may result. • 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 Cap or plug all hoses, connections, and openings immediately after disconnection or component removal to prevent contamination. Remove caps or plugs prior to installation. Failure to do so may result in damage to equipment. REMOVAL NOTE • Perform steps 1 through 5 for fuel injectors 2, 4, and 6. • Perform steps 6 through 10 for fuel injectors 1, 3, and 5. 1. Remove two locknuts (18), screws (25), washers (9), and two retainers (17) from fuel injector tubes (21), (22), and (24) and bracket (19). Discard locknuts (18). 2. Remove two locknuts (2), screws (23), and clamps (20) from brackets (1). Discard locknuts (2). NOTE • Prior to removal, tag fuel injector tubes for installation. • Use a drain pan to capture any draining fuel . Dispose of fluids in accordance with local policy and ordinances. Ensure all spills are cleaned up. 3. Lift three dust caps (16) for fuel injector tubes (21), (22), and (24). 4. Loosen three nuts (15) and remove fuel injector tubes (21), (22), and (24) from fuel injector pump (14). 5. Loosen three nuts (26) and remove three fuel injector tubes (21), (22), and (24) from injector nozzles (3). 6. Remove nut (11), lockwasher (12), two retainer halves (17), and washer (9) from stud (13). Discard lockwasher (12). 7. Remove six locknuts (27), ten retainers (8), eight cushion halves (7), six washers (9), and screws (10) from fuel injector tubes (4), (5), and (6). Discard six locknuts (27). 8. Lift three dust caps (16) for fuel injector tubes (4), (5), and (6). 9. Loosen three nuts (15) and remove fuel injector tubes (4), (5), and (6) from fuel injector pump (14). 10. Loosen three nuts (26) and remove three fuel injector tubes (4), (5), and (6) from injector nozzles (3). INSPECTION 1. Inspect injector tubes (4), (5), (6), (21), (22), and (24) for cracks, bends, or damaged flaring. Replace if cracked, bent, or damaged. 2. Inspect six dust caps (16) for damage. Using fabricated tool, replace dust caps (16) if damaged. INSTALLATION NOTE • Perform steps 1 through 5 for fuel injectors 2, 4, and 6. • Perform steps 6 through 11 for fuel injectors 1, 3, and 5.