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TM-9-6115-667-13P Power Unit Diesel Engine Driven 2 1/2 Ton Trailer Mounted 30 kw 50/60 Hz PU-803 Manual
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PREOPERATION PROCEDURES
TM9-6115-667-13&P OPERATION •  Always  store  an  idle  hydraulic  motor  generator  in  a clean dry space, safe from damage or pilferage. • Do not exceed the rated electrical load limits or use the hydraulic   motor   generator   for   applications   beyond   its design capacity. •  Protect  the  hydraulic  motor  generator  from  extremely dusty or wet conditions. •    Always    keep    critical    hydraulic    motor    generator markings, such as lables and warning stickers legible. •  Always  replace  hoses,  couplings  and  other  parts  with replacement  parts  as  identified  in  this  manual's  parts listing.    Supply  hoses  must  have  a  minimum  working pressure rating of 2500 psi/175 bar. • Permit only experienced personnel to perform hydraulic motor generator repairs. •  Be  sure  to  wipe  all  couplers  clean  before  connecting. Use only lint-free cloths. • The hydraulic circuit control valve must be in the 'OFF" position when coupling or uncoupling the hydraulic motor generator.  Failure to do so may result in damage to the quick  couplers  and  cause  overheating  of  the  hydraulic system. •   The   hydraulic   motor   generator   should   be   up   to operating  speed  before  connecting  and  applying  power to the electrical load. •  For  continuous  operation,  do  not  exceed  the  rated output power of 3500W. •   Do   not   exceed   the   current   rating   specified   for   the electrical outlet in use. •  Check  fastener  tightness  often  and  before  each  use daily. HYDRAULIC SYSTEM REQUIREMENTS •   The   hydraulic   system   should   provide   a   flow   of   79 gpm/26-34  Ipm  at  an  operating  pressure  of  10002000 psi/70-140  bar.    Recommended  relief  valve  setting  is 2100 psi/145 bar. • The system should have no more than 250 psi/ 17 bar backpressure measured at the tool end of the operating hoses.    The  system  conditions  for  measurement  are  at maximum   fluid   viscosity   of   400   ssu/82   centistokes (minimum operating temperatures). •   The   hydraulic   system   should   have   enough   heat rejection capacity to limit the maximum oil temperature to 140"F/60°C at the maximum expected ambient temperature.        The    recommended    minimum    cooling capacity  is  5  hp/3.73  kW  at  a  400  F/  220C  difference between ambient temperature and oil temperature. •  The  hydraulic  system  should  have  a  minimum  of  25 micron filtration.  Recommend using filter elements sized for   a    flow    of    at    least    30    gpm/114    Ipm    for    cold temperature startup and maximum dirt holding capacity. •   The   hydraulic   fluid   used   should   have   a   viscosity between 100 and 400 ssu/20 and 82 centistokes at  the maximum and minimum expected operating temperatures.      Petroleum   base   hydraulic   fluids   with antiwear   properties   and   a   viscosity   index   over   140 ssu/28 centistokes will meet the recommended requirements over a wide range of operating temperatures. •  The  recommended  hose  size  is  .500  inch/12  mm  I.D. up to 50 ft/15 m long and .625 inch/16 mm l.D. minimum up to 100 ft/30 m long. 6

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