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FLIGHT CONTROL TRAVEL AND HYDRAULICS (FOR THUR FLIGHTS PERFORM STEPS 2 THUR 5 IN BOTH)
FUEL PUMP AND XFEED CHECK

TM-1-1520-240-CL Army CH-47D Heilcopter (EIC:RCD) Manual
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TM 1-1520-240-CL P-6 3.  ENG COND levers — GND. F 4.   DECUs — display 88 (if other than 88, consult DECU BIT Fault CodeList/Matrix). 5.  ENG COND levers — STOP. ENGINE START (EITHER ENGINE) 712   First engine — Start as follows: 1.  L MAIN FUEL Pumps — ON.  Check L FUEL PRESS Caution Light OUT. 2.  XFEED   switch   —   OPEN.      Check   R   FUEL PRESS Caution Light — OUT. 3.  ENG COND lever — STOP. 4.  ENG START switch — MTR. 5.  Motor engine to a minimum of 15% N1.  Set ENG COND  lever  —  GND;  ENG  START  switch  to START immediately. 6.  Release  START  switch  to  MTR  before  PTIT reaches 200_C.  When N1 is 50%, set START switch to OFF.  Check STARTER ON light out. 7.  Engine instruments — Check when stabilized at ground  idle  (N1  at  60_  minimum).    Check engine oil pressure for 20 psi minimum.  The engine should accelerate to ground idle speed within 45 seconds. 714A  First engine — Start as follows: Primary 1.  L MAIN FUEL Pumps — ON.  Check L FUEL PRESS Caution Light OUT. 2.  XFEED   switch   —   OPEN.      Check   R   FUEL PRESS Caution Light — OUT. 3.  ENG COND lever — GND. 4.  ENG START switch — Start and Hold until N1 accelerates to 10% then release. 5.  Engine instruments — Check when stabilized at ground  idle  (N1  at  50%  minimum).    Check engine  oil  pressure  for  5  psi  minimum.    The engine should accelerate to ground idle speed within 45 seconds.







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