Turbocharger Removal And Installation - Piper PA-44-180 SEMINOLE Maintenance Manual

TERM
Prelubrication
Static Pressure
Turbine
Turbocharger
TURBOCHARGER.
REMOVAL OF TURBOCHARGER.
1. Remove the upper cowling.
2. Disconnect the oil supply and return lines from the center housing of the turbocharger.
3. Disconnect the air ducts from the compressor inlet and outlet and the exhaust system from the turbine inlet
and outlet.
4. Remove the bolts which secure the turbocharger to the mounting bracket and remove the turbo charg e r
assembly.
5. Install protective covers on all openings on the turbocharger and the engine.
INSTALLATION OF TURBOCHARGER.
INSTALLATION OF THE TURBOCHARGER WITH THE CENTERLINE OF
THE OIL DRAIN MORE THAN 35 DEGREES FROM VERTICAL CAN
RESULT IN DAMAGE FROM INADEQUATE LUBRICATION.
1. Remove the protective covers from the turbocharger and the engine.
2. Check to ensure that the turbocharger compressor and turbine housings are properly oriented to the center
housing and locked. (Refer to Airesearch Overhaul Manual TP20-0120-1 for proper orientation.)
PIPER AIRCRAFT
PA - 4 4 - 1 8 0 / 1 8 0 T
AIRPLANE MAINTENANCE MANUAL
TURBOCHARGER NOMENCLATURE
Coating of all interior surfaces of the turbocharger with engine oil. Performed
before storage of the turbocharger, at installation on an engine at each engine
oil and filter change and after prolonged non-operation.
Pressure measured in a housing or duct through a hole in the wall parallel to
the direction of flow.
That portion of the turbocharger which directs hot exhaust gas through the
turbine wheel thus driving the shaft on which the compressor wheel is also
mounted .
Device which compresses air for the engine combustion chamber and in
some cases for cabin pressurization, using a compressor driven by an exhaust-
gas turbine.
— CAUTION —
3J9
MEANING
Revised: May 15, 1989
8 1 - 2 2 - 0 0
Page 81-07