TM 9-4310-394-13 Table 2-1.  Operator Preventive Maintenance Checks and Services for the Air Compressor Unit, Model PD32T5. Location Item No. Interval Procedure Not Mission Capable If: Item to Check/Service ENGINE 1 Before V-BELT Inspect v-belt for cracks V-belt is cracked or and frays. frayed. 2 Before SHEAVE Inspect for loose or missing Set screw is loose or set screws. missing. 3 Before FUEL LINES Check all fuel lines for Fuel lines leak.  Clamps leaks.  Check all clamps are loose. for tightness. 4 Before FUEL VALVE Check fuel valve for leaks. Fuel valve leaks or is Inspect valve for damage.  damaged. Fuel valve does Check that fuel valve handle not turn smoothly. turns smoothly. 5 Before FUEL TANK Inspect for missing cap, Missing cap, strainer, or strainer or fuel gauge.  fuel gauge. Fuel tank or Check fuel tank and fittings fittings leak. for leaks. 6 Before FUEL FILTER Inspect filter for broken Bowl is broken. bowl.  Check for damaged Filter parts are damaged parts or fuel leaks. or filter leaks. 7 Before ENGINE OIL Inspect for missing plug. Plug is missing.  Extension DRAIN Check extension pipe for pipe is damaged.  Drain is damage.  Check for leaks. leaking.  Oil level is Check for proper oil level. incorrect. NOTE The engine is equipped with two dipsticks.  The oil level may be checked using either dipstick. 8 Before WIRE Inspect all wire assemblies Wire assemblies are dam- ASSEMBLIES for cuts or exposed conduct- aged.  Wires are cut or ors.  Check for loose or mis- conductors are exposed. ing terminal attaching hard- Terminal attaching hard- ware. ware is loose or missing. 2-7