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Continuous operation
Preventive Maintenance Checks and Services for Compressed Air System (Continued) - TM-55-1930-209-14P-7_113

TM-55-1930-209-14P-7 Water Purification Barges (NSN 1930-01-234-2165) Drinking Water System Manual
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ITEM INTERVAL ITEM TO BE PROCEDURES CHECK FOR AND HAVE REPAIRED OR ADJUSTED EQUIPMENT IS NOT READY NO. B    D    A D    W   M    Q   S A INSPECTED AS NECESSARY AVAILABLE IF TM 55-1930-209-14&P-7 C-2  Major components.   Major components, their basic functions and location on the barges are listed in Chapter 1. C-3  Compressed air system description.    The  compressed  air  system  provides  compressed  air  to  five  air  stations  in the  ROWPU  space,  one  in  the  workshop,  and  one  on  stem  weatherdeck.    It  also  provides  compressed  air  to  two  air stations  for  blowdown  of  seachests  in  void  2  starboard  and  void  4  port.    These  outlets,  with  other  major  components, valves, and piping are shown schematically in Figure NO TAG for Barge 1 and in Figure NO TAG for Barges 2 and 3. Table C-1.  Preventive Maintenance Checks and Services for Compressed Air System B - Before D - Daily Q - Quarterly D - During W- Weekly S - Semiannually A - After M - Monthly A - Annually COMPRESSED AIR SYSTEM WARNING Be sure electrical power is OFF before per- forming maintenance or repair on this sys- tem.  Open circuit breakers.  Redtag circuit breakers or motor controller with "WARNING - DO NOT ACTIVATE.  REPAIRS BEING MADE." Observe all safety precau- tions listed at the beginning of this manual. 1 All Components    a.   Wipe components clean, especially gauges and control panels. b.   Check for leaks, paying special attention   Any leaks. to joints, valves, fittings, and piping Report leaks to shift leader or bargemas- ter. c.    Check for loose or missing securements Securements or or fasteners.  Tighten or replace as nec- fasteners loose essary. or missing. d.   Check for damage, especially to pres- Pressure sure gauges, filters, and control panels. gauges, filters Notify shift leader or bargemaster so and/or con- repairs can be made. trol panels dam- aged e.   Remove rust and corrosion.  Touch-up or paint in accordance with TB 43-0144 as necessary.  Do not paint threads or labels. 2 Receiver Drain receiver by Turning drain cock clock- wise (small T-handle) on bottom of tank When receiver is completely drained, close valve. C-3







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