TM-9-2320-387-24 HMMWV Direct Support & General Support Maintenance Manual Volume 1 Download
Page 71 of 1205
Table 2-1. Unit Level Preventive Maintenance Checks and Services HMMWV (Cont’d).  ITEM  NO.  INTERVAL  ITEM TO BE  INSPECTED  PROCEDURES  d. Inspect all fuel lines for loose d. Any class III leak.  connections, splits, cracks, and bends  that could leak.  e. Disconnect the leads from each e. Continuity is not  glow plug (para. 3-39) and check present.  for continuity between glow plug  terminal and ground. Continuity  should be present.  f. Check each glow plug for looseness f. Glow plugs are loose  and damage. Tighten each plug to or damaged.  8-12 lb-ft (11-16 N  •  m).  4 Semi- Engine Check for missing, broken, cracked, Serpentine drivebelt  annually Accessory or frayed serpentine drivebelt. is missing or broken.  Drivebelt Belt fiber has more than  one crack 1/8 in. (3.2 mm)  in depth, or 50% of belt  thickness, or has frays  more than 2 in.  (5 cm) long.  TM 9-2320-387-24-1  Change 1 2-7  NOT FULLY MISSION  CAPABLE IF:  FUEL/WATER  SEPARATOR  3 Semi- Fuel a. Inspect fuel filter/water separator a. Any class III fuel  annually System assembly for dents and cracks that leak.  could cause leaks.  b. Inspect fuel injection pump, nozzle b. Any class III leak.  lines, and fittings for leaks and Any nozzle loose or  damage. damaged.  c. Inspect rear fuel injector nozzle c. Rubber cap missing  rubber cap for presence and condition. or damaged.