Turbocharger Nomenclature - Piper PA-44-180 SEMINOLE Maintenance Manual

CHART 8101. TROUBLESHOOTING (TURBOCHARGER) (cont.)
Trouble
Engine will not deliver rated
power. (cont)
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.

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.
PIPER AIRCRAFT
PA - 4 4 - 1 8 0 / 1 8 0 T
AIRPLANE MAINTENANCE MANUAL
Cause
Foreign material lodged in
compressor, impeller or turbine.
Excessive dirt build-up in
compressor.
Leak in engine intake or
exhaust.
Turbocharger impeller binding,
frozen or fouling housing.
Rotating assembly bearing
seizure.
— Note —
3J7
Remedy
Disassemble and clean.
Clean compressor assembly.
Service air cleaner and check
for leakage .
Tighten loose connections or
replace exhaust manifold
gaskets as necessary.
Check bearing. Replace turbo-
charger as necessary.
Overhaul turbocharger.
Page 81-05
Revised: May 15, 1989
8 1 - 0 3 - 0 0