Table 2-1. Unit Level Preventive Maintenance Checks and Services HMMWV (Cont’d)

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.