TM 1-1520-238-T-7
10152.2
Change 5
1047. FUEL QUANTITY INDICATION/TRANSFER MAINTENANCE OPERATIONAL
1047
CHECK (cont)
Task
Result
NOTE
A difference of up to 10 % between pilot and CPG readouts is acceptable.
NOTE
When caution/warning panel FUEL LOW AFT indicator is set to illuminate
between 220 and 260 lbs. at ground attitude (4.3 to 4.6 tail down), it will
illuminate between 210 and 270 lbs. (per TM 1-1520-238-10) at cruise attitude
(3.0 to 3.3 nose down).
ab. When pilot FUEL quantity indicator
(fig. 1063) AFT vertical display reaches 22
to 26, check that pilot and CPG
caution/warning panel (fig. 1056 and
fig.1057) FUEL LOW AFT indicators are
lighted.
If pilot caution/warning panel FUEL LOW AFT
indicators are not lighted with pilot FUEL quantity
indicator AFT vertical display indicating 22 to 26, go
to paragraph 1056.
ac. On pilot FUEL panel (fig. 1058), set
TRANS switch to OFF.
ad. On CPG FUEL panel (fig. 1067.3), set
ORIDE switch to CPG. Check that pilot
center circuit breaker panel (fig. 1067.1)
FUEL XFEED and FUEL BST circuit
breakers stay closed.
If FUEL XFEED circuit breaker does not stay closed
with ORIDE switch set to CPG, go to
paragraph 1061.
If FUEL BST circuit breaker does not stay closed with
ORIDE switch set to CPG, go to paragraph 1044.
M70-092
ORIDE
SWITCH
TRANS SWITCH
Figure 1067.3.
CPG FUEL Panel
ae. On CPG FUEL panel, set TRANS switch to
TO AFT.
af. On pilot center circuit breaker panel, check
that FUEL TRANS circuit breaker stays
closed.
If FUEL TRANS circuit breaker does not stay closed
go to paragraph 1066H.
ag. In ammo storage bay (fig. 1067.2), have
assistant check fuel transfer pump for
operating noise.
If fuel transfer pump is not operating, go to paragraph
1066E.