NOTE:  B=BEFORE OPERATION  D=DURING OPERATION  A=AFTER OPERATION ITEM Interval ITEM TO BE INSPECTED PROCEDURES EQUIPMENT IS NOT NO. READY/AVALABLE B D A IF TM 5-4310-393-14 2-6.  OPERATOR'S PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS). The operator's PMCS are shown in Table 2-2, Operator's PMCS. TABLE 2-2.  OPERATOR'S PMCS 1 Reciprocating Compressor Check entire unit for cleanliness, Deficiencies are Unit loose bolts, nuts, and mounting noted hardware Check clamping devices which secure the two elements to- gether as an operational unit Ex- amine tubes and tube fittings for wear caused by rubbing 2      Meters and Gauges Check service line pressure and Faces, pointers, and final pressure gauges for current lenses are damaged comparison/calibration label Gauges are out of Check all gauges for damaged calibration. faces or loose mounting hardware (paragraph 3-17). 3 Engine Fuel Tank Check the fuel supply Ensure the No fuel is available tank is full Check gasket (missing or damaged). 4 Engine Oil Level Check engine oil level, fill to proper level as required ( paragraph 3-15) 5 Engine Oil Bath Air Cleaner Ensure that air cleaner bowl is filled Oil level is below the to the 3 holes in the cup before oil level mark starting the engine Use the same grade of oil as is used in the engine. Service air cleaner after every 120 hours of operation (paragraph 3-15.2.) 6 Compressor Oil Level Check oil level with dipstick.  En- Oil at or below the suring the dipstick is screwed in add line correctly.  Fill to proper level (paragraph 3-14.1). 7 Pressure Maintaining Valve Check pressure at the service line PMV does not main- (PMV) outlet on the final pressure gauge. It    tain 2000 psi on the should be maintained at 2000 psi final pressure gauge (138 bar) (paragraph 3-16.1) 8 Prefilter and Intake Hose Check for damage, dirt or debris Deficiencies are (paragraph 3-14.  3). noted 9 Fill Hose Assembly Check gauge and safety relief valve Faces, pointers, and for current comparison/ calibration lenses are damaged label Check safety line and fill hose Safety valve out of for wear, abrasion or damage calibration.  Wear or (paragraph 3-19) damage noted 2-5