TM 1-1510-225-MTF
E13.
Excessive engine oil consumption.
a. Excess oil in tank.
b. Leak or restriction in pressure scavenge oil tubes.
c. Defective preformed packing and plastic ring on
oil filter housing.
E14.
El5.
d. Leakage in oil to fuel heat exchanger.
e. Defective centrifugal breather carbon seal.
f. Defective air seals.
Failure of engine to decelerate.
a. Fuel control unit defective.
b. Disconnected or improperly adjusted linkage.
Gas generator overspeed.
a. Defective turbine tachometer system.
b. Sheared or worn fuel control unit splined coupling
or drive spline.
E16.
c. Defective fuel control unit.
Gas generator uncontrolled acceleration.
a. Sheared or worn fuel control unit splined coupling
or drive spline.
b. Defective fuel control unit.
E17.
Surge during acceleration.
a. Defective or incorrect compressor bleed valve.
b. Defective fuel control unit.
c. Compressor damaged.
E18.
Slow to accelerate.
a. Leak or restriction in Py, air bleed tube or P3 air
delivery tube.
b. P3 air filter contaminated
c. Improper acceleration adjustment on fuel control
unit.
d. Propeller governor out of adjustment.
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