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 This taskcovers: a. Removal b. Installation INITIAL SETUP: TOOIS General mechanic’s tool kit: automotive (Appendix B, Item 1) Special Tools Injection nozzle remover (Appendix B, Item 32) Crowfoot, 19-mm (Appendix B, Item 137) Crowfoot, 7/8-in. (Appendix B, Item 142) (rear injection nozzle only) Materials/Parts Gasket (Appendix G, Item 81) Manual References TM 9-2320-387-10 TM 9-2320-387-24P Equipment Condition l Hood raised and secured (TM 9-2320-387-10X l Engine access cover removed (para. lo-221 (rear injection nozzles only). l Battery ground cables disconnected (para. 4-68). General Safety Instructions Do not perform this procedure near fire, flames, or sparks. Maintenance Level Direct support WARNING Diesel fuel is highly flammable. Do not perform this procedure near fire, flames, or sparks. Severe injury or death may result. CAUTION Cover or plug all hoses, connections, and openings immediately after disconnection to prevent contamination. Remove all covers or plugs prior to connection. NOTE Refer to engine decal model number on left rocker arm cover before ordering replacement parts. The replacement procedure for all eight injection nozzles is basically the same. This procedure covers one injection nozzle. 1 a. Removal 1 . . NOTE Have drainage container available to catch fuel. Perform step 1 if replacing rear injection nozzles. 1. Loosen two clamps (6) and remove fuel return hose (2) and cap (10) from fuel injection nozzle (7). 2. Loosen two clamps (6) and disconnect fuel return hoses (2) from fuel injection nozzle (7) . 3. Remove screw-assembled washer (4) from clamp (3) and support bracket (1). 4. Loosen and disconnect two fuel injection line nuts (5) from fuel injection nozzles (7). 5. Using injection nozzle remover, remove fuel injection nozzle (7) and gasket (8) from cylinder head (9). Discard gasket (8). 16-2