TM 1-1520-238-MTF
2-55
PROCEDURE
TROUBLESHOOTING
REFERENCE
AFTER STARTING APU (CONT)
e. NO. 1 PWR lever – LOCKOUT.
Verify fuel flows from overboard
drain.
CAUTION
To prevent FIRE BTL activation, verify
FIRE BTL Select switches are centered.
f. Pilots ENG 1 FIRE PULL handle –
Pull. ENCU shuts down, cooling
louvers close, fuel flow stops, and
respective engine FUEL PSI
caution/warning illuminates.
g. Pilots ENG 1 FIRE PULL handle –
In. Verify ENCU returns, cooling
louvers open, fuel flow returns, and
respective engine FUEL PSI
caution/warning extinguishes.
h. CPGs ENG 1 FIRE PULL handle –
Pull. Verify same function as step f.
i. CPGs ENG 1 FIRE PULL handle –
In. Verify same function as step g.
j. NO. 1 PWR lever – OFF. Verify fuel
flow stops.
k. Repeat steps e through j using NO.
2 PWR lever and ENG 2 FIRE
PULL handles.
