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 SPECIAL PURPOSE KITS 24 Semi- Vehicular a. Inspect arctic heater fuel line for loose a. Any class III leak, annually Heater connections, splits, cracks, and bends. loose connections, splits, Components cracks, and bends. b. Inspect coolant hoses for leaks b. Any class III leaks. and deterioration. Hoses cracked or dry- rotted. c. Inspect electrical wires for frays, c. Wires frayed, split, or splits, or looseness. loose. d. Inspect intake and exhaust d. Any exhaust extension extensions for proper installation, leak. cracked and loose pipes. 25 Semi- Final Road Check vehicle for proper operation Vehicle fails to operate annually Test and performance. properly. 26 Annually Fuel Replace filter element every 6,000 System mi (9,600 km) or annually, whichever occurs first. Replace water separator element if unserviceable (para. 3-34). TM 9-2320-387-24-1 2-24 Change 1 NOT FULLY MISSION CAPABLE IF: NOTE If annual/biennial service is being performed, then final road test will be completed after last annual/biennial task is complete. FILTER ELEMENT