E19.
E20.
E21.
E22.
E23.
TM 1-1510-225MTF
e. Defective fuel control unit.
f. Defective propeller governor.
Flame out.
a. Fuel supply contaminated with ice, water, or
debris.
b. Engine driven high pressure fuel pump defective.
c. Fuel control unit contaminated or corroded.
d Manifold adapter or fuel nozzles restricted.
Low power output.
a. Defective indicator.
b. Operating procedures incorrect.
c. Control Linkages incorrectly adjusted or discon-
nected.
d. Propeller governor defective.
e. Leaks or restrictions in fuel control unit pneumatic
system.
f. Fuel nozzles restricted.
High fuel flow at altitude.
a. Defective indicator.
b. Defective or incorrect compressor bleed valve.
Maximum operating ITT has been exceeded.
a. Faulty instrumentation, thermocouples, or wiring.
b. Excessive accessory power being pulled due to
failure or overload.
c. Torquemeter system reading low.
ITT limited (turbine temperature is at maximum
limit before target torque is reached).
a. Defective instruments, thermocouple, or wiring.
b. Improper operating procedure.
c. Dirty compressor.
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