TM 1-1520-238-MTF
Change 3
2-66
PROCEDURE
TROUBLESHOOTING
REFERENCE
ENGINE RUNUP – PILOT (CONT)
(4) CROSSFEED switch – NORM.
(5) TRANS switch – TO FWD.
Verify SDD FWD quantity
increases and AFT quantity
decreases, FUEL XFR advisory
segment illuminates.
(6) TRANS switch – TO AFT. Verify
SDD AFT quantity increases
and FWD quantity decreases,
FUEL XFR advisory segment
illuminates.
(7) TRANS switch – OFF. Verify
FUEL XFR advisory segment
extinguishes.
(8) EXT TK switch – ON (if system
is installed). Verify SDD FWD
and AFT quantities increase,
then OFF.
**BEFORE TAXI CHECK
*1. FD/LS – Check.
a. Verify remaining systems NO-GO
indications as required.
*b. Perform on command FD/LS Test
19. Record displayed transmission
and nose gearbox indications.
*2. Engine instruments – Check
correlations between crew stations and
record.
