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OVERHEAD SWITCHES AND CONTROL PANELS
FLIGHT CONTROL TRAVEL AND HYDRAULICS (FOR THUR FLIGHTS PERFORM STEPS 2 THUR 5 IN BOTH)

TM-1-1520-240-CL Army CH-47D Heilcopter (EIC:RCD) Manual
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TM 1-1520-240-CL P-4 c.   EMERG  REL  ALL  switch  —  OFF.  Cover down. 19.  HYD switches — Set as follows: a.   PWR XFER switches — OFF. b.   FLT CONTR switch — BOTH. c.   BRK STEER switch — ON. Cover down d.   RAMP PWR switch — ON. O e.   RAMP   EMER   switch   —   HOLD.   Cover down. APU START * 1.   BATT switch — ON. F* 2.   Fire guard — Posted. * 3.   APU — Start as follows: a.   APU switch — Run for 3 to 5 seconds. b.   APU  switch  —  Start  for  2  seconds,  then RUN. c.   APU ON indicating light — Check on. * 4.   UTIL HYD SYS caution — Check out within 30 seconds after APU ON light. CARGO HOOK OPERATIONAL CHECK 1.  CARGO HOOK MSTR switch — ARM. 2.  CARGO HOOK SEL switch — FWD. 3.  CARGO HOOK RELEASE switch (pilot’s cyclic) — Press. 4.  CARGO HOOK SEL switch — MID. 5.  CARGO   HOOK   RELEASE   switch   (copilot’s cyclic) — Press. 6.  CARGO HOOK SEL switch — AFT. F 7.   CARGO HOOK switch on HOIST OPERATORS PANEL — ARM. F 8.   CARGO HOOK RELEASE switch (WINCH/HOIST CONTROL GRIP) — PRESS.







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