Piper SARATOGA PA-32-301 Maintenance Manual page 590

PIPER AIRCRAFT
PA-32-301/301T
MAINTENANCE MANUAL
CHART 8101. TROUBLESHOOTING (TURBOCHARGER) (cont)
Trouble
Cause
Remedy
Engine will not deliver
rated power. (cont)
Waste gate butterfly not
closing.
Butterfly shaft binding.
Check bearings.
Turbocharger impeller
binding, frozen or
fouling housing.
Check bearings. Re-
place turbocharger.
Critical altitude lower
than specified.
Waste gate valve
sticking.
Clean and free action.
Check interconnect
system from throttle to
waste gate.
Engine surges or
smokes.
Clogged induction
duct.
Check induction duct
for restrictions to
air flow.
Bootstrapping. Operate engine within
range outlined in
operation manual.
-NOTE -
Smoke would be normal if engine has idled for a prolonged period
High deck pressure.
(Compressor discharge
pressure.)
Waste gate sticking
closed.
Butterfly shaft binding.
Check bearings.
Replace waste gate
valve or correct
interconnect control
rigging.
81-00-02
Page 81-03
Issued: January 2, 1980
3B13