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Section III.  Operating instructions - TM-55-1930-209-14P-13_86
Replacement - TM-55-1930-209-14P-13_88

TM-55-1930-209-14P-13 Water Purification Barges (1930-01-234-2165) Equipment Montoring System Manual
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TM 55-1930-209-14&P-13 4-14.1.2    Any  IDS/IGS  maintenance  beyond  capability  of  crewmembers  is  provided  by  a  shore-based  area  support maintenance unit.  This unit also determines if depot support maintenance is required. 4-14.1.3  Intermediate support maintenance is accomplished by replacing components or major end items. 4-14.1.4  Unless other intermediate support procedures are directed, IDS/IGS maintenance normally is provided by an Army   Transportation   Corps   floating   craft   intermediate   support   maintenance   unit   serving   terminal   operating   area. Components to be disposed of are processed by this unit. 4-14.1.5  Maintenance Allocation Chart (MAC) is in Appendix C in TM 55-1 930-209-14&P-18.  For maintenance of other equipment onboard, consult appropriate manual. 4-14.2  Maintenance instructions.  Maintenance instructions consist of paragraph 4-16, Troubleshooting. 4-15    Preventive  maintenance  checks  and  services.    See  TM  55-1930-209-14&P-13  for  preventive  maintenance checks  and  services  for  handling  equipment.    See  TM  55-1930-209-14&P-19  for  complete  preventive  maintenance checks and services for all systems on the ROWPU Barge. 4-16 Troubleshooting.  Conditions listed in Table 4-1 may occur while operating the void 4 trolley hoist.  While this list is  not  all  inclusive,  it  does  provide  some  of  the  more  common  faults  that  could  occur  during  operation.   Notify  higher level maintenance of those discrepancies or tests that are beyond the capability of the unit level to correct or perform. 4-17  Maintenance procedures 4-17.1    General.    Maintenance  instructions  for  the  void  4  trolley  hoist  involve  lubricating,  disassembling,  repairing, replacing, and reassembling equipment requiring spare parts listed in TM 55-1930-209-14&P-18.  No special tools are required.    When  performing  maintenance,  be  sure  to  follow  safety  precautions  in  this  manual  and  manufacturer's manual/instructions in Appendix B. 4-17.2  Lubrication.  Lubricate 1 1/2-ton trolley hoist according to instructions on page 9, Chester Hoist Division, Parts and Instruction Manual Low Headroom, in Appendix B. 4-17.3  Cleaning and Inspection. a. Wipe clean with rag dampened with hot soapy water or to remove grease with solvent.  Wipe dry with clean cloth. b. Visually  inspect  trolley  hoist  structural  members  for  evidence  of  bends,  distortion,  broken  welds,  cracks, corrosion, or damage.  Remove corrosion and touch up painted parts according to TB 43-0144. c. Visually inspect hook for deformation, cracks, wear, damage, or malfunctioning latch and hook attachment. Replace hook if necessary. d. Visually check chains for excessive wear, twist, distorted links, stretch, nicks, and gouges.  Apply lubricant if necessary.  Replace damaged chain. e. Visually  inspect  wheels  for  damage  and  wear,  and  drive  wheel  hubs  for  loose  clamping  bolts.    Replace damaged wheel. f. Visually  inspect  brake  mechanism  for   worn,   glazed,   or   contaminated   friction   disks,   worn   pawls,   and damaged pawl springs. g. Visually  inspect  hand  chain  wheels,  chain  attachments,  suspension  bolts,  shafts,  gears,  and  bearings  for worn, cracked, or distorted parts. h. Visually check lubrication points specified on page 9 in the Chester Hoist Division Bulletin J in Appendix B. 4-4







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