TM 1-1520-238-MTF
2-65
PROCEDURE
TROUBLESHOOTING
REFERENCE
ENGINE RUNUP PILOT (CONT)
(9) ORIDE switch PLT.
b. Pilot FUEL panel Check as
follows:
WARNING
Do not set CROSSFEED switch between
FWD TK and AFT TK without pausing for
at least 15 seconds in the NORM position
to ensure both crossfeed valves have se-
quenced to their proper positions. Fail-
ure to follow this procedure may result in
a dual engine flameout if one of the
crossfeed valves fails to properly posi-
tion.
(1) CROSSFEED switch AFT
TK.
(2) BOOST switch ON. Verify
BOOST PMP ON
caution/warning segment
illuminates and SDD shows
AFT quantity decreasing with
no decrease in FWD quantity.
(3) CROSSFEED switch FWD
TK. Verify BOOST PMP ON
caution/warning segment
extinguishes and BOOST
switch returns to OFF position.
SDD shows FWD quantity
decreasing with no decrease in
AFT quantity.