TM 55-1510-220-MTF
PROCEDURE
TROUBLESHOOTING
REFERENCE
ENGINE RUNUP (CONT)
f.
Power lever - IDLE.
g.
Torque reading taken in step e must equal the corrected torque read from figure 2 in step b within +2%.
h.
Repeat procedure for other engine. The difference in torque readings between left and right engines
should not be greater than 1%.
*19.
Ice vanes - Check as follows:
a.
Power levers - Set 1800 RPM.
b.
Ice vane switches to EXTEND. Verify torque drop, and illumination of ICE VANE EXT light.
c.
Ice vane switches - RETRACT. Verify return to original torque, and ICE VANE light extinguished.
20. Power levers - IDLE.
BEFORE TAKEOFF
1.
Propeller synchronization switch - OFF.
2.
Autofeather switch - ARM.
3.
Bleed air valve switches - OPEN.
4.
Ice and rain switches - As required.
5.
Beacons - As required (day or night).
6.
Fuel control panel - Check fuel quantity and switch positions.
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