TM 1-1510-224-MTF
PROCEDURE
TROUBLESHOOTING
REFERENCE
PRIOR TO MAINTENANCE TEST FLIGHT (CONT)
(h)
FIRE PULL handles - In.
(i)
#1 and #2 FUEL PRESS warning
annunciators - Extinguished.
(j)
STANDBY PUMP switches - Off.
(k)
#1 and #2 FUEL PRESS warning
annunciators - Illuminated.
(l)
#1 and #2 STANDBY PUMP circuit
breakers - In.
(m) #1 and #2 FIREWALL VALVE circuit
breakers - In.
(n)
CROSSFEED valve switch - Set
alternately to left and right system.
Check that FUEL CROSSFEED
light illuminates, and that #1 and #2
FUEL PRESS annunciator lights are
extinguished.
C40
(o)
CROSSFEED valve switch - OFF.
*12.
Fuel quantity indicators - Check as
follows:
B6-8
(a)
Fuel
quantity
indicator
selector
switch - MAIN.
(b)
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.
(c)
Fuel
quantity
indicator
selector
switch - AUXILIARY.
2-4
