TM 1-1510-224-MTF
b. Defective preformed packing and plastic ring on oil filter.
c. Excessive back pressure in scavenge system due to
restrictions in oil scavenge tubes, pump screen or oil-to-fuel
heater tubes.
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.
d. Leakage in oil to fuel heat exchanger.
e. Defective centrifugal breather carbon seal.
f. Defective air seals.
E14.
Failure of engine to decelerate.
a. Fuel control unit defective.
b. Disconnect or improperly adjusted linkage.
E15.
Gas generator overspeed.
a. Defective turbine tachometer system.
b. Sheared or worn fuel control unit splined coupling or drive
spline.
c. Defective fuel control unit.
E16.
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 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.
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