Piper Malibu Meridian PA-46-500TP Airplane Maintenance Manual page 1402

Trouble
Engine does not
develop full power.
Excessive vibration.
Low oil pressure.
High oil temperature.
71-00-00
PAGE 4
Apr 15/07
PIPER AIRCRAFT, INC.
PA-46-500TP, MALIBU MERIDIAN
MAINTENANCE MANUAL
CHART 1 (Sheet 2 of 3)
TROUBLESHOOTING ENGINE
Cause
Faulty engine instrumenation.
Control linkage adjusted
incorrectly.
Propeller governor pneumatic
section adjusted incorrectly.
Leak or restriction in fuel
control pneumatic system.
Engine power settings not
adjusted correctly.
Defective fuel control unit.
Restricted fuel nozzles.
Propeller out of balance.
Compressor or compressor
turbine disc out of balance.
Oil pressure indicating
system defective.
Insufficient oil.
Excessive hot air leakage
through faulty heat shielding.
High oil temperatures.
Insufficient oil supply.
Faulty instrumentation.
Cooling system defective.
Excessive hot air leakage
through faulty heat shielding.
Remedy
Check instrument system.
Replace or recalibrate
as necessary.
If torquemeter system
defect is established,
return power section to
overhaul facility for repair.
Check adjustment.
Adjust.
Check all tubes for
restrictions and
connections for leakage.
Check adjustment settings.
Replace fuel control unit.
Clean and check nozzles.
(Refer to P&WC Engine
Maintenance Manual.)
Replace propeller.
Return disc to an overhaul
facility. (Refer to P&WC
Engine Maint. Manual.)
Check system and repair
as necessary.
Fill oil tank as required.
Replace engine.
Check cooling system.
Refill oil tank as required.
Check instrumentation,
repair or replace as
required.
Check system and clean
cooler if required.
Replace engine.
7D18