THE NEW PIPER AIRCRAFT, INC.
PA-32-301FT / 301XTC
MAINTENANCE MANUAL
PAGE 2
Jun 1/03
5G2
81-20-00
CHART 1 (Sheet 1 of 2)
TROUBLESHOOTING TURBOCHARGER
Trouble Cause Remedy
Waste gate won’t close Broken linkage. Repair linkage and adjust
completely. wastegate to open
or closed position.
Improper adjustment. Re-rig actuator control.
Turbine won’t come up Worn or coked bearings. Replace or overhaul
to speed. turbocharger.
Damage to turbine or Replace or overhaul
compressor wheel. turbocharger.
Exhaust leaks. Repair leaks.
Excessive noise or Improper bearing Supply required oil
vibration. lubrication. pressure.
Clean or replace oil line;
clean oil strainer.
If trouble persists,
overhaul turbocharger.
Leak in engine intake Tighten loose connections
or exhaust manifold. or replace manifold
gaskets as necessary.
Dirty impeller blades. Disassemble and clean.
Engine will not deliver Clogged manifold system. Clear all ducting.
rated power.
Foreign material lodged Disassemble and clean.
in compressor impeller
or turbine.
Excessive dirt build-up Thoroughly clean
in compressor. compressor assembly.
Service air cleaner
and check for leakage.
Leak in engine intake Tighten loose connections
or exhaust. or replace manifold
gaskets as necessary.
Rotating assembly bearing Overhaul turbocharger.
seizure.
Wastegate butterfly not Butterfly shaft binding.
closing. Check bearings.
Turbocharger impeller Check bearings. Replace
binding, frozen or turbocharger.
fouling housing.
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