TM-9-2320-387-24 HMMWV Direct Support & General Support Maintenance Manual Volume 2 Download
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TM 9-2320-387-24-2 16-3. 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) on cylinder head (9). Using injection nozzle remover, tighten fuel injection nozzle (7) to 44-60 lb-ft (60-81 N-m). 2. Using injection nozzle remover and 7/8-in. crowfoot, tighten fuel injection nozzle (71 to 44-60 lb-R (60-81 N-m). 3. Install fuel injection line nuts (5) on fuel injection nozzles (7). 4. Using 19-mm crowfoot, tighten fuel injection line nuts (5) to 20 lb-ft (27 N-m). 5. Install clamp (3) on support bracket (1) with screw-assembled washer (4). Tighten screw-assembled washer (4) to 3-4 lb-R (4-5 N-m). NOTE Perform step 6 if replacing rear injection nozzles. 6. Install fuel return hose (2) and cap (10) on fuel injection nozzle (7) with clamps (6). 7. Install two fuel return hoses (21 on fuel injection nozzle (7) with clamps (6). FOLLOW-ON TASKS: l Connect battery ground cables (para. 4-68). . Start engine (TM 9-2320-387-10) and check for fuel leakage. . Install engine access cover (para. lo-221 (rear injection nozzles only). . Lower and secure hood (TM 9-2320-387-10). 16-3