Piper Lance II - Page 370

LANCE II SERVICE MANUAL
TABLE VIIIA-II.
TROUBLESHOOTING CHART
(TURBOCHARGER) (cont.)
Trouble
Cause
Remedy
Engine will not deliver
Waste gate butterfly not
Butterfly shaft binding.
rated
power. (cont.)
closing.
Check
bearings.
Turbocharger
impeller
Check bearings.
Re-
binding,
frozen or
place turbocharger.
fouling housing.
Critical altitude
lower
Waste gate valve
Clean and free action.
than specified. sticking.
Check interconnect
system
from
throttle to
waste gate.
Engine surges or Clogged
induction Check
induction duct
smokes
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.
Waste
gate sticking
Butterfly
shaft binding.
(Compressor
discharge
closed.
Check bearings.
pressure.)
Replace
waste
gate
valve
or correct
interconnect control
rigging
Isued:
1/3/78
POWER
PLANT
-
TURBO