TM-9-2320-361-24-1 Field Maintenance Manual Volume 1 for M44A2 Series Trucks
Page 620 of 1176
TM 9-2320-361-24-1 0069 00 0069 00-4 FUEL INJECTION PUMP REPLACEMENT (Contd) REMOVAL (Contd) 4. Disconnect crankcase-to-fuel injection pump pressure oil hose (17) from tee (16) at bottom of fuel injection pump (30). 5. Disconnect fuel return-to-fuel injection pump overflow valve tube (4) from tee (7). 6. Disconnect fuel filter outlet-to-fuel density compensate inlet tube (10) from tee (9) at compensator (8). 7. Disconnect fuel transfer pump-to-fuel filter inlet tube (11) from elbow (12) at transfer pump (13). 8. Disconnect fuel injection pump-to-fuel filter fuel return tube (6) from elbow (5). 9. Disconnect transfer pump-to-flame heater fuel filter tube (14) from adapter (15). 10. Align timing mark (20) on crankshaft damper (22) with timing pointer (19). 11. Remove three screws (1), lockwashers (2), retaining plate (3), and drive gear (21) from drive gear hub (18). Discard lockwashers (2). 12. Straighten lockplate (25) and remove two screws (26), washers (27), and lockplate (25) from bracket (28) and fuel injection pump (30). Discard lockplate (25). 13. Remove two screws (29), lockwashers (24), and bracket (28) from crankcase (23). Discard lockwashers (24). 14. Remove two screws (33), lockwashers (32), screw (34), and fuel injection pump (30) from adapter (31). Discard lockwashers (32). 15. Install fuel injection pump gear hub wrench on hub (18) with two screws (37). 16. Hold hub (18) and remove nut (36) and lockwasher (39) from fuel injection pump (30). Discard lockwasher (39). Remove two screws (37) and fuel injection pump gear hub wrench. 17. Remove drive gear hub (18) from timing device shaft (38). 18. Remove gasket (35) from adapter (31). Discard gasket (35).