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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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