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 (pilots cyclic)
Press.
4. CARGO HOOK SEL switch MID.
5. CARGO HOOK RELEASE switch (copilots
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.