TM 1-1520-238-MTF
2-25
PROCEDURE
TROUBLESHOOTING
REFERENCE
AFTER STARTING APU (CONT)
*f. Fire control system – Verify
boresight numbers. Complete
programming as required.
g. Survivability equipment – Test as
required.
*20. Anti-ice systems – Check as follows:
WARNING
Severe burns may result from touching a
hot element. Check for radiated heat be-
fore touching ice detector probe, pitot
tubes, nose gearbox fairings, and the air
data sensor. A ground crewmember will
have to touch the tip of the ice detector
probe to generate a false signal. Release
tip immediately when tip starts to heat
up.
a. ANTI-ICE panel BLADE switch –
ON.
b. Perform FD/LS test 03.
c. ANTI-ICE panel BLADE switch –
Off.
d. DEK switch – STBY.
A12
