TM 55-1520-240-23-8
10-34
DEFUELING WITH AC POWER ON HELICOPTER
(Continued)
10-34
DEFUEL ANY FORWARD OR AFT TANK
16.
Set FUEL QUANTITY selector (22) to position
applicable to tank(s) to be defueled.
17.
Note reading(s) on indicator (23). Subtract
reading from 1700. Note resultant figure.
18.
Set MAIN AFT and MAIN FWD switches (16 or
18), for applicable side of helicopter, to ON.
19.
Observe indicator (23). When indicator reads
below resultant figure in step 17, set switches
(16 or 18) to OFF.
20.
Set applicable AFT AUX or FWD AUX switch (15
or 17) to ON.
21.
Observe panel (11). When applicable FUEL
PRESS light (24 or 25) comes on, set switch(es)
(15 or 17) to OFF.
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