TM-9-2320-387-24 HMMWV Direct Support & General Support Maintenance Manual Volume 1 Download
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TM 9-2320-387-24- 1 3-37. FUEL INJECTION RETURN HOSES REPLACEMENT This task covers: a. Fuel Drain-Back Hose Removal b. Fuel Drain-Back Hose Installation c. Tube-to-Nozzle Hose Removal d. Tube-to-Nozzle Hose Installation INITIAL SETUP: e. Nozzle-to-Nozzle Hose Removal f. Nozzle-to-Nozzle Hose Installation g. Nozzle Cap Removal h. Nozzle Cap Installation Tools ?&era1 mechanic’s tool kit: General Safety Instructions Do not perform this procedure near fire, flames, or automotive (Appendix B, Item 1) sparks. Manual References TM 9-2320-387-10 TM 9-2320-387-24P Maintenance Level Unit Equipment Condition l Engine access cover removed (para. 10-22). l Air horn removed (nara. 3-14). 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 and connections immediately after disconnection to prevent contamination. Remove all plugs prior to conntion. NOTE Have drainage container ready to catch fuel. a. Fuel Drain-Back Hose Removal 1. Loosen two clamps (2) and remove hose (3) from injection pump (4) and fuel drain-back tube (1). 2. Remove two clamps (2) from hose (3). b. Fuel Drain-Back Hose Installation 1. Install two clamps (21 on hose (3). 2. Connect hose (3) to injection pump (4) and fuel drain-back tube (1) with two clamps (2). c. Tube-to-Nozzle Hose Removal 1. Loosen two clamps (5) and remove hose (6) from nozzle (7) and fuel drain-back tube (1). 2. Remove two clamps (5) from hose (6). I -l d. Tube-to-hozzle Hose Installation -7 1. Install two clamps (5) on hose (6). 2. Connect hose (6) to nozzle (7) and fuel drain-back tube (1) with two clamps (5). 3-72