TM-9-2320-361-24-1 Field Maintenance Manual Volume 1 for M44A2 Series Trucks
Page 596 of 1176
TM 9-2320-361-24-1 0065 00 0065 00-2 MANIFOLD HEATER (COVERED) REPLACEMENT (Contd) CAUTION Cap or plug all openings immediately after disconnecting lines and hoses to prevent contamination. Remove cap or plugs prior to installation. Failure to do so may result in damage to equipment. COVER REMOVAL Remove four screws (1), clamp (5), and fuel pump cover (2) from bracket (11). IGNITION UNIT REMOVAL 1. Remove screw (10), lockwasher (9), and wiring harness ground wire (8) from bracket (11). Discard lockwasher (9). 2. Disconnect wire (7) from wiring harness (6). 3. Disconnect wiring harness (6) from ignition unit (4) and fuel pump (12). 4. Disconnect cable assembly (23) from ignition unit (4) and spark plug (15). 5. Remove two clamp assemblies (3) and ignition unit (4) from bracket (11). FUEL NOZZLE REMOVAL 1. Remove spark plug (15) and gasket (14) from elbow (13). Discard gasket (14). 2. Disconnect fuel return tube (21) and fuel inlet tube (22) from adapters (20) and (16). 3. Remove adapters (20) and (16) from fuel nozzle (19). 4. Loosen nut (18) and remove fuel nozzle (19) and nut (18) from elbow (13). 5. Remove two filter disks (17) from fuel nozzle (19). Discard filter disks (17).