TM 1-1510-224-MTF
b. P3 air filter contaminated.
c. Improper acceleration adjustment on fuel control unit.
d. Propeller governor out of adjustment.
e. Defective fuel control unit.
f. Defective propeller governor.
E19.
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.
E20.
Low power output.
a. Defective indicator.
b. Operating procedures incorrect.
c. Control linkages incorrectly adjusted or disconnected.
d. Propeller governor defective.
e. Leaks or restrictions in fuel control unit pneumatic system.
f. Fuel nozzles restricted.
E21.
High fuel flow at altitude.
a. Defective indicator.
b. Defective compressor bleed valve.
E22.
Maximum operating TGT has been exceeded.
a. Faulty instrumentation, thermo-couples, or wiring.
b. Excessive accessory power being pulled due to failure or
overload.
c. Torquemeter system reading low.
3-19