TM-9-2320-280-20 HMMWV Technical Manual Unit Maintenance Volume 3 Download
Page 645 of 1170
a. Removal CAUTION b. Installation TM 9-2320-280-20-3 12-32. ARCTIC HEATER PUMP-TO-BULKHEAD FUEL SUPPLY LINE REPLACEMENT This task covers: a. Removal b. Installation INITIAL SETUP: Tools Manual References General mechanic’s tool kit: TM 9-2320-280-10 automotive (Appendix B, Item 1) TM 9-2320-280-24P Materials/Parts General Safety Instructions Sealing compound (Appendix C, Item 44) Do not perform this procedure near fire, flames, or sparks. WARNING Diesel fuel is highly flammable. Do not perform this procedure near fire, flames, or sparks. Severe injury or death will result. Cover or plug all open hoses and connections immediately after disconnection to prevent contamination. Remove all covers or plugs prior to connection. NOTE Have drainage container ready to catch fuel. 1. Disconnect pump-to-bulkhead fuel supply line (2) from connector (1). 2. Remove pump-to-bulkhead fuel supply line (2) from bulkhead coupling elbow (3). NOTE Perform steps 3 and 4 for M996, M996A1, M997, M997A1, M997A2, M998, M998A1, M1038, and M1038A1 models only. 3. Disconnect rear pump-to-bulkhead fuel supply line (5) from connector (4). 4. Remove rear pump-to-bulkhead fuel supply line (5) from rear bulkhead coupling elbow (6). 5. Inspect connectors (1) and (4) and bulkhead coupling elbows (3) and (6) for damaged threads or cracks. Replace if cracked or damaged. NOTE Perform steps 1 and 2 for M996, M996A1, M997, M997A1, M997A2, M998, M998A1, M1038 and M1038A1 models only. 1. Apply sealing compound to threads of connector (4) and install rear pump-to-bulkhead fuel supply line (5) on connector (4). 2. Apply sealing compound to threads of rear bulkhead coupling elbow (6) and connect rear pump-to- bulkhead fuel supply line (5) to rear bulkhead coupling elbow (6). 3. Apply sealing compound to threads of connector (1) and install pump-to-bulkhead fuel supply line (2) on connector (1). 4. Apply sealing compound to threads of bulkhead Coupling elbow (3) and connect pump-to-bulkhead fuel supply line (2) to bulkhead coupling elbow (3). 12-46