Engine anti-ice

TM 1-1510-223-MTF

PROCEDURE

TROUBLESHOOTING

REFERENCE

ENGINE RUNUP (CONT)

h. Repeat steps c through g for other engine.

Observe that the difference in torque readings

between left and right engines is not greater than

1%.

* 14. Engine anti-ice - Check as follows:

ICE VANE POWER SELECT switches (2) -

MAIN.

ICE VANE CONTROL switches (2) - Off. Verify

# 1 and # 2 VANE EXT annunciators extinguish.

ICE VANE POWER SELECT switch - STBY.

ICE VANE CONTROL switches - ON, verify # 1

and # 2 VANE EXT annunciators illuminated.

ICE VANE POWER SELECT switch - MAIN.

Do not operate the weather radar set while personnel or

combustible materials are within 18 feet of the antenna

reflector. When the weather radar set is operating, high-power

radio frequency energy is emitted from the antenna reflector,

which can have harmful effects on the human body and can

ignite combustible materials. Do not operate radar in

congested areas.

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