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I. 714A  P3 BELLOWS CHECK
K.   714A  POWER ASSURANCE CHECK (PAC)

TM-1-1520-240-MTF Army Model CH-47D Heilcopter (EIC:RCD) Manual
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TM 1-1520-240-MTF 4-22 1-34. 1-35. CAUTION The flight controls must be manned anytime the helicopter is on the ground with the rotors turning. 1.  First Engine — Start as follows: a.   L   FUEL   PUMP   MAIN   switches   —   ON. Check L FUEL PRESS caution capsule out. b.   XFEED  switch  —  OPEN.  Check  R  FUEL PRESS caution capsule out. c.   ENG COND lever — GND. d.   FADEC ENG 1 and FADEC ENG 2 switch — REV. e.   FADEC ENG START switch — Select first engine   to   be   started   and   hold   until   N1 accelerates to 10%. Release switch. CAUTION If no oil pressure is indicated during the start- ing sequence, shut down engine and investi- gate. (1)   Check and record engine oil pressure (5 PSI minimum). (2)   Check and record engine acceleration speed to ground idle (stabilize at 45% N1 or above). 2.  FADEC switch of engine started — PRI. 3.  FADEC caution light — Check out.







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