TM 55-1510-219-MTF
PROCEDURE
TROUBLESHOOTING
REFERENCE
(9) Standby pump circuit breakers (left
and right) -In.
(10)
Firewall
shutoff
valve
circuit
breakers (left and right) - In.
(11) Crossfeed valve switch -
C42
Set alternately to left and right
system.
Check
that
FUEL
CROSSFEED
annunciator
light
illuminates, and that the #1 and #2
FUEL PRESS annunciator lights
are extinguished.
(12) Crossfeed valve switch -OFF.
*e. Fuel quantity indicators -
B6-9
Check as follows:
(1) Fuel quantity indicator selector
switch - MAIN.
(2) Fuel quantity indicators -Compare
indication. With full fuel tanks, left
and right fuel quantity indicators
must indicate within 82 pounds of
each
other
with
fuel
quantity
indicator selector switch set to
MAIN.
(3) Fuel quantity indicator selector
switch - AUXILIARY.
(4) Fuel quantity indicators -Compare
indication. With full fuel tanks,
left and right fuel quantity indica-
2-3
