TM 1-1520-238-MTF
2-64
PROCEDURE
TROUBLESHOOTING
REFERENCE
ENGINE RUNUP – PILOT (CONT)
(1) ORIDE switch – CPG.
(2) TK SEL switch – FROM AFT.
(3) BOOST switch – ON. Verify
BOOST PMP ON
caution/warning segment
illuminates and SDD shows
AFT quantity decreasing with
no change in FWD quantity.
(4) TK SEL switch – FROM FWD.
Verify BOOST PMP ON
caution/warning segment
extinguishes and BOOST
switch returns to OFF position.
SDD shows FWD quantity
decreasing with no change in
AFT quantity.
(5) TK SEL switch – NORM.
(6) TRANS switch – TO FWD.
Verify SDD FWD quantity
increases, AFT quantity
decreases and FUEL XFR
advisory segments illuminates.
(7) TRANS switch – TO AFT. Verify
SDD AFT quantity increases,
FWD quantity decreases and
FUEL XFR advisory segment
illuminates.
(8) TRANS switch – OFF. Verify
FUEL XFR advisory segment
extinguishes.
