TM 55-1520-240-23-8
10-34
DEFUELING WITH AC POWER ON HELICOPTER
(Continued)
10-34
NOTE
Fuel tanks may be defueled all
together or one at a time.
DEFUEL ALL TANKS
10.
On overhead panel (11) set eight ENG No. 1 and
ENG No. 2 switches (15, 16, 17 and 18) to ON.
11.
Observe panel (19), when L FUEL PRESS light
(20) comes on, set four ENG No. 1 switches (15
and 16) to off. When right fuel pressure light (21)
comes on, set four ENG No. 2 switches (17 and
18) to off.
12.
Go to step 22.
DEFUEL ANY MAIN TANK
13.
On overhead panel (11), set applicable MAIN
AFT and MAIN FWD switches (16 or 18) to ON.
14.
Observe panel (19). When applicable fuel
pressure light (20 or 21) comes on, set applicable
switches (16 or 18) to OFF.
15.
Go to step 22.
10-172