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 TM 55-1520-238-S
g. Lock Landing Gear Collars.
(1) Remove aircraft left strut collar locking
f. Raise Helicopter.
pin, rotate collar clockwise to lock, rein-
stall locking pin.
(2) Remove aircraft right strut collar lock-
NOTE
ing pin, rotate collar clockwise to lock,
reinstall locking pin.
Before fully erecting helicopter, switches
are checked separately to insure that hy-
(3) Move LEFT and RIGHT switches on
draulic hoses are correctly connected.
control pendant to DOWN position to
depressurize hydraulic hoses.
(1) Press start switch on control pendant.
(4) Press STOP switch on control pendant.
(2) Open left and right shutoff valves.
h. Disconnect Hydraulic Cart (Erected
Condition).
(3) Momentarily move LEFT switch on
(1) Close left and right shutoff hose valves.
control pendant to UP position. Insure
(2) Disconnect left and right shutoff valve/
that landing gear on operators left ex-
hoses from helicopter. Install caps on
tends, release LEFT switch.
both left and right kneeling nipples.
(4) Momentarily move RIGHT switch on
(3) Disconnect electrical power supply and
control pendant to UP position. Insure
ground wire from power source and he-
that landing gear on operators right ex-
licopter.
tends, release RIGHT switch.
(4) Secure access covers on both left and
right FAB walkways.
(5) Slowly erect helicopter by moving
(5) Position cart for kneeling next helicop-
LEFT and RIGHT switches on control
ter or prepare for storage, as appropri-
pendant to UP position until helicopter
ate.
struts are fully extended.
Change 1
87
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