TM 10-6640-238-13 2-36 Table 2-14.  Operator Preventive Maintenance Checks and Services (PMCS) - CONT NOTE If  equipment  must  be  kept  in  continuous  operation,  only  do  procedures  that  can  be performed without disturbing operation.  Make the complete checks and services when equipment can be shut down. BE – Before   AF – After MO - Monthly DU- During   WE – Weekly Interval Item No. B E D U A F W E M O Item to Inspect Procedures Not Fully Mission Capable If: 8 a.   Inspect access doors for defective or missing latches, and hinges. Door missing. Main Power Panel No. 1 b.   Inspect circuit breakers for damaged. Circuit breakers loose or damaged. 9 a.   Inspect access doors. Door missing. Power Panel No. 2 b.   Inspect circuit breakers for damaged. Circuit breakers loose or damaged. 10     Emergency Lights Inspect for illumination. Lights do not illuminate. 11 a.   Inspect mounting bolts. Loose or missing mounting bolts. b.   Inspect crankcase oil level. Low oil level. c.   Inspect intake filter for obstruction. Clogged or dirty filter. d.   Check for rattles, knocks, squeaks, or hums that may indicate trouble in air compressor or motor. Vibration or unusual noise occurs. Air Compressor e.   Inspect motor for indication of overheating and smoke. Motor overheats or emits smoke. 12 Ladder Inspect for presence. Ladder missing. 13 a.   Inspect mounting bolts. Loose or missing mounting bolts.         Air Tank and System Piping b.   Inspect valves. Air leaks or defective valves.