TM 55-1510-219-MTF
PROCEDURE
TROUBLESHOOTING
REFERENCE
CRUISE (CONT)
of synchronization condition, then turning
the synchrophaser on. Synchronization
should be established and held within a
few seconds.
10. Speed check at maximum cruise power -
Perform as required (Section IV).
11. Maximum power lever position check -
Perform as required (Section IV).
12. Engine acceptance check - Perform as
required (Section IV).
*13. Engine ice vanes - Check operation as
follows:
CAUTION
After the ice vanes have been manually extended, they may
be mechanically retracted only. Do not attempt electrical
retraction as damage to the electric actuator will result. The
linkage in the nacelle area must be reset on the ground prior
to operation of the electric system.
a. #1 and #2 ice vane switches (2) -
EXTEND.
b. #1 and #2 ice vane extended annunciator
lights (2, green) -Check illuminated.
c. Torquemeters - Monitor for a 7 to 16%
drop in torque with ice vanes extended.
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