PA - 4 4 - 1 8 0 / 1 8 0 T
AIRPLANE MAINTENANCE MANUAL
8 1 - 0 3 - 0 0
Page 81-05
Revised: May 15, 1989
3J7
CHART 8101. TROUBLESHOOTING (TURBOCHARGER) (cont.)
TURBOCHARGER NOMENCLATURE.
Many unfamiliar terms may appear on the folowing pages of this manual. An understanding of these will be
helpful in performing maintenance and troubleshooting. The following is a list of commonly used terms and a
brief description of each.
Trouble Cause Remedy
Engine will not deliver rated Foreign material lodged in Disassemble and clean.
power. (cont) compressor, impeller or turbine.
Excessive dirt build-up in Clean compressor assembly.
compressor. Service air cleaner and check
for leakage .
Leak in engine intake or Tighten loose connections or
exhaust. replace exhaust manifold
gaskets as necessary.
Turbocharger impeller binding, Check bearing. Replace turbo-
frozen or fouling housing. charger as necessary.
Rotating assembly bearing Overhaul turbocharger.
seizure.
— Note —
Due to the critical tolerances and the high standards of workmanship involved, it is
recommended that only qualified personnel attempt the overhaul of the
turbochargers.
PIPER AIRCRAFT
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