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REPLACE  COMBINING TRANSMISSION  MAIN  OIL FILTER  PRESSURE  DIFFERENTIAL INDICATOR (Continued)
ADJUST COMBINING  TRANSMISSION  MAIN  OIL PUMP (Continued)

TM-55-1520-240-23-5 CH-47D Heilcopter Manual
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TM  55-1520-240-23-5 6-172 ADJUST COMBINING  TRANSMISSION  MAIN  OIL PUMP 6-172 INITIAL  SETUP Applicable  Configurations: All Tools: Aircraft Mechanic’s  Tool  Kit,  NSN  5180-00-323-4692 Materials: Lockwire  (E230) Personnel  Required: Medium  Helicopter  Repairer Inspector Army  Rotary-Wing  Aviator  (2) References: TM  55-1520-240-10 Equipment  Condition: Battery Disconnected  (Task  1-39) Electrical  Power  Off Pylon  Access  Doors Open  (Task  2-2) 1. Remove  lockwire  from  locknut (1)  and  setscrew (2).   Hold  setscrew  from  turning  and  loosen locknut. 2. Turn  setscrew  (2)  no  more  than  1/4  turn  to adjust  transmission  oil  pressure.   Turn  setscrew clockwise  to  increase  pressure.   Turn  setscrew counterclockwise  to  decrease  pressure. Required  gage  pressure  is  40  to 70  psi. 3. Hold  setscrew  (2)  from  turning.  Torque  locknut (1)  to  60  inch-pounds. 6-576







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