Quantcast Table 4-1.  Unit Preventive Maintenance Checks and Services - TM-10-6640-215-13_146

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TM 10-6640-215-13 Table 4-1.  Unit Preventive Maintenance Checks and Services Item Interval Item To Be Procedure Not Fully Mission No. Checked Or Capable If: Serviced 6 Quarterly Environmental Perform PMCS in accordance with Control Units TM 5-4120-371-14. 7 Quarterly Purge System a.  Check purge intake and exhaust Damaged hinges, gaskets, doors for damage.  Check screen/fil- or latches.  Screen or filter ter, hinges, gaskets, latches, and fas- damaged.  Fasteners loose teners. or damaged. b.  Check purge intake and exhaust Dampers or motors are door dampers and motors for loose damaged.  Fasteners or or missing fasteners and broken or electrical connections damaged electrical connections. loose, broken, or damaged. c.  Check ECU intake ducts located Ducts do not operate prop- in the machinery room for loose or erly; hardware loose or missing hardware, screens, gaskets, missing, screens or gaskets and broken or damaged electrical damaged, or electrical con- connections. nections loose or broken. d.  Check purge door limit switches Switches damaged, fasten- for proper operation.  Check fasten- ers missing or loose, elec- ers and electrical connections. trical connections loose or broken. 8 Quarterly Air System NOTE Refer to TM 10-4310-392- 13&P for further PMCS instructions. a.  Check compressor for proper Compressor does not oper- operation.  Check mounting hard- ate properly.  Mounting ware and electrical connections. hardware loose or missing. b.  Check air tank for leaks.  Check Air tank or fittings leak. tank mounting hardware. Mounting hardware is loose or missing. c.  Check pressure switch and gage Pressure switch and gage for proper operation.  Check electri- do not operate properly. cal connection. Connections loose or bro- ken. d.  Check system tubing and piping System tubing or piping . for leaks leaks. e.  Check system valves for leaks. System valves leak. 9 Quarterly Vacuum System a.  Check vacuum pump for dam- Pump does not operate age.  Check mounting hardware and properly.  Mounting hard- electrical connections. ware is loose or missing. b.  Check system tubing and piping System tubing or piping for leaks. leaks. c.  Check system valves for leaks. System valves leak. 4-7


 


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