DEFUELING WITHOUT AC POWER ON HELICOPTER
Procedure is same to defuel any fuel
tank. Defueling of right main tank is
Attach hose grounding lead (1) into helicopter
ground socket (2) (FM 10-68).
Raise filler cap latch (3). Rotate cap (4)
counterclockwise. Remove cap and allow it to
hang on retention chain (5).
Take care when inserting and
removing defueling hose. Damage to
cell walls and internal components
Insert defueling hose (6) into filler opening (7).
Defuel tank cell.
Remove defueling hose (6) from helicopter.
Remove lead (1) from socket (2).
Install and lock filler cap (4).
Position grounded container(s) (8) under drain
valves (9 and 10) of applicable tank(s).
Insert screwdriver in slot (11) of forward drain
valve (9). Push up and turn drain valve stem (12)
clockwise. Drain remaining fuel into container
(8). Remove screwdriver.
Insert screwdriver in slot (13) of aft drain
valve (10). Turn drain valve stem (14)
counterclockwise. Drain remaining fuel into
container (8). Remove screwdriver.
Remove grounded container(s) (8).
Clean up any spilled fuel. Use cloths (E135).
END OF TASK