TM-9-2320-280-34 HMMWV Direct Support & General Support Maintenance Manual Download
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TM 9-2320-280-34 4-7. FUEL INJECTION PUMP COVER REPLACEMENT (Cont'd) 2. Install washer (11) between ground strap (12) and cover (4). 3. Install gasket (13) on fuel injection pump housing (14). CAUTION Incorrect installation of cover may cause damage to cover gasket or pump to malfunction. 4. Install retaining tool on cover (4) to restrict shutoff solenoid linkage (15). 5. Position cover (4) over fuel injection pump housing (14) ahead of threaded holes in housing and slide rearward and downward to align holes in cover (4) with threaded holes in housing (14). 6. Twist retaining tool to release solenoid linkage (15) and slide tool out from between cover (4) and fuel injection pump housing (14). Take care not to damage gasket (13). 7. Secure cover (4) with three screws (9), lockwashers (10), and washers (11). Tighten screws (9) to 34-45 lb-in. (4-5 N m). 8. Connect fuel drain back hose (1) to fuel injection pump (6) with clamp (2). 9. Connect battery ground cable (TM 9-2320-280-20). CAUTION Do not attempt to start engine until all the following steps are com- pleted. If no clicking noise is present in the cover of the fuel injection pump, the linkage may possibly be jammed in the wide open throttle position. If engine is started with linkage in wide open throttle position, engine runaway will occur and engine damage will result. 10. Place rotary switch to "RUN" position. Listen for a clicking noise when connecting and disconnecting lead 54A (3) to fuel injection pump (6). If no clicking noise is present, remove and reinstall cover (4). If clicking noise is present, connect harness leads 54A (3) and 569B (5) to fuel injection pump (6). FOLLOW-ON TASKS: • Start engine (TM 9-2320-280-10) and check for fuel leaks. • Lower and secure hood (TM 9-2320-280-10). 4-15