FUEL
Operation
Aircraft Operations Manual
9/1.2
PAGE
2
Apr 01/15
2.
NORMAL OPERATION
CONDITIONS
NORMAL PROCEDURES
2.1
CROSS FEED
VALVE AND IN-
TERCONNECT
VALVE TEST
Crossfeed valve test
1.
XFEED switch
ON
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
−
Check XFEED ON light to come on.
−
After about 10 seconds, set switch to OFF and check light to go out, indicat-
ing that the valve is fully closed.
Interconnect valve test
1.
CONN VALVE switch
OPEN
. . . . . . . . . . . . . . . . . . . . . . . . . . . .
−
Check CONN VLV OPEN light to come on.
−
After about 10 seconds, set switch to CLOSED and check light to go out,
indicating that the valve is fully closed.
2.2
FUEL QUAN-
TITY INDICA-
TOR AND FUEL
FLOW INDICA-
TOR TEST
1.
FUEL test switch
HOLD IN L
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
−
Check left fuel quantity indicator to show:
without mod. 2091:
950
50 lb (432
23 kg)
with mod. 2091:
1000
50 lb (455
23 kg).
−
Check left fuel flow indicator to show 760 + 35 lb/h or 345 + 16 kg/h.
2.
FUEL test switch
HOLD IN R
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
−
Check fuel quantity indicator and fuel flow indicator for same values as
above.
2.3
NORMAL OP-
ERATION OF
FUEL SYSTEM
Before engine start
1.
XFEED switch
OFF
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.
CONN VALVE switch
CLOSED
. . . . . . . . . . . . . . . . . . . . . . . . . . . .
3.
L and R STBY PUMP switches
AUTO
. . . . . . . . . . . . . . . . . . .
4.
L and R MAIN PUMP lights shall be on.
2.4
CROSSFEED
OPERATION
1.
STBY PUMP
OVRD
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
−
Set the standby pump on the feeding tank side to OVRD.
−
Check corresponding STBY PRESS light to come on.
(Cont’d)
