Quantcast Table 2-14. Operator Preventive Maintenance Checks and Services (PMCS) - cont - TM-10-6640-238-13_92

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TM 10-6640-238-13 2-37 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: 14 a.   Inspect mounting. Mounting bolts loose or missing. Vacuum Pump b.   Inspect crankcase oil level. Low oil level.     c.   Inspect drive belts for cracks and/or excessive wear. Check for proper drivebelt deflection (3/4 inches under moderate thumb pressure). Drive belts are loose or cracked or excessively worn. d.   Check for rattles, knocks, squeaks, or hums that may indicate trouble in air compressor or motor. Vibration or unusual noise occurs. e.   Inspect motor for indication of overheating and smoke damage. Motor overheats or emits smoke. 15 a. Inspect mounting bolts. Loose or missing mounting bolts. b. Inspect pump and motor. Pump or motor overheats or unusual noise occurs. Water Supply Pump c. Check pump at shaft seal. Shaft seal leaks. 16     a. Inspect all outlet valves. Defective valves. Class III leaks detected. Water Supply Valves, and Piping b. Inspect water piping. Class III leaks detected. 17     Surge Tank Inspect for leaks. Class III leaks detected. 18 a. Inspect mounting. Loose or missing bolts. Water Tank and drain. b. Inspect for leaks. Class III leaks detected.


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