TM 1-1520-240-MTF
4-36
NOTE
The forward and aft cargo hooks will not open un-
less a force is applied. As long as one the CARGO
HOOK Release switches are pressed, the forward
and aft hooks will make a chattering sound. This
sound indicates the hook solenoids are operating
normally.
4. CARGO HOOK SEL switch — MID.
5. Press the CARGO HOOK Release switch on the
copilot’s cyclic stick. Check that the MID HOOK
OPEN caution capsule comes on and the hook
opens.
6. CARGO HOOK SEL switch — AFT.
7. CARGO HOOK switch on HOIST OPERATORS
PANEL — ARM.
8. Press the CARGO HOOK Release switch on the
WINCH/HOIST CONTROL GRIP — Check that
the AFT HOOK OPEN caution capsule comes
on and the hook solenoid activates. RESET and
release to OFF.
9. CARGO HOOK MSTR switch — RESET and
release to OFF. Check all HOOK OPEN caution
capsules lights go out and the hooks ar close.
Then set to ARM.
10. CARGO HOOK SEL switch — TANDEM.
11. Press the CARGO HOOK Release switch on the
pilot’s cyclic stick. Check that the FWD and AFT
HOOK OPEN caution capsules come on and the
forward and aft solenoids activate.
12. CARGO HOOK MSTR switch — RESET and
release to OFF. Check both HOOK OPEN
caution capsules go out and the hooks close.
Then set to ARM.
13. CARGO HOOK SEL switch — ALL.
