TM-9-2320-280-34 HMMWV Direct Support & General Support Maintenance Manual Download
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TM 9-2320-280-34 4-3. FUEL INJECTION NOZZLE REPLACEMENT (Cont'd) b. Installation NOTE If replacing rear injection nozzles, tighten nozzles in accordance with step 2. Tighten fuel injection line nuts in accordance with step 4. 1. Install gasket (8) and fuel injection nozzle (7) into cylinder head (9). Using injection nozzle socket, tighten fuel injection nozzle (7) to 44-60 lb-ft (60-81 N m). 2. Using injection nozzle socket and 7/8 in. crowfoot, tighten fuel injection nozzle (7) to 44-60 lb-ft (60-81 N m). 3. Secure fuel injection line nuts (5) to fuel injection nozzles (7). 4. Using 19 mm crowfoot, tighten fuel injection line nuts (5) to 20 Ib-ft (27 Nm). 5. Install clamp (3) on support bracket (1) with screw-assembled washer (4). NOTE Perform step 6 if replacing rear injection nozzles. 6. Install fuel return hose (2) and cap (10) on fuel injection nozzle (7) with clamp (6). 7. Install fuel return hoses (2) on fuel injection nozzle (7) with clamps (6). 8. Bleed lines (para. 4-4.d). FOLLOW-ON TASKS: •Connect battery ground cable (TM 9-2320-280-20). •Start engine (TM 9-2320-280-10) and check for fuel leakage. •Install engine access cover (TM 9-2320-280-20), rear injection nozzles only. •Lower and secure hood (TM 9-2320-280-10). 4-3