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TM 1-1730-231-13&P
2.
Ensure that manual flow regulator for tail (5, Figure 2-1) is closed (turn clockwise) and manual flow
regulators for left and right (6 and 7) are fully open (turn counterclockwise).
3.
Set pump switch S4 (10) to ON on controller.
4.
Move LEFT switch S1 (12) on controller to RAISE position. Ensure that landing gear on operators left
is fully extended to its stop, release LEFT switch S1.
5.
Move RIGHT switch S2 (13) on controller to RAISE position. Ensure that landing gear on operators
right is fully extended to its stop, release RIGHT switch S2.
(3). Inspect for hydraulic leaks.
WARNING
To prevent injury and equipment damage from strut collapse and
helicopter rollover, do not proceed until all leaks are repaired.
1.
Inspect landing gear, hoses, fittings, valves and hydraulic cart for leaks.
2.
Repair leaks as required.
(4). Unlock strut collars.
NOTE
If landing gear collars do not rotate clockwise easily, the landing gear
strut has not been fully extended. Fully extend strut (step (2)) before
proceeding.
1.
Remove aircraft left strut collar locking pin, rotate collar clockwise to unlock, reinstall locking pin.
2.
Remove aircraft right strut collar locking pin, rotate collar clockwise to unlock, reinstall locking pin.
(5). Position helicopter at desired height.
1.
Slowly kneel helicopter by moving LEFT and RIGHT
2-12
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