TM 55-1510-222-MTF
PROCEDURE
TROUBLESHOOTING
REFERENCE
(9) Standby
pump
circuit
breakers (left and right) -
In.
(10) Firewall shutoff valve cir-
cuit breakers (left and
right) - In.
(11) Crossfeed valve switch -
Set alternately to left and
right system. Check that
FUEL CROSSFEED an-
nunciator light illuminates.
and that the #1 and #2
FUEL PRESS annunciator
lights are extinguished.
C40
(12) Crossfeed valve switch -
OFF.
*e. Fuel quantity indicators -
Check as follows:
B6-8
(1) Fuel quantity indicator se-
lector switch - MAIN.
(2) Fuel quantity, indicators -
Compare indication. With
full fuel tanks, left and
right fuel quantity indica-
tors must indicate within
82 pounds of each other
with fuel quantity indicator
selector
switch
set
to
MAIN.
(3) Fuel quantity indicator se-
(4) Fuel quantity indicators -
lector switch - AUXILIA-
RY.
Compare indication. With
full fuel tanks, left and
right fuel quantity indica-
2-3
