Piper Dakota Maintenance Manual page 464

Trouble
Rough running engine.
Low oil pressure.
High oil temperature.
PIPER AIRCRAFT
PA-28-236
MAINTENANCE MANUAL
CHART 7101. TROUBLESHOOTING (ENGINE) (CONT)
Cracked engine mounts.
Unbalanced propeller.
Bend propeller blades.
Defective mounting bushings.
Uneven compression.
Lead deposit on spark plug.
Malfunctioning engine.
Insufficient oil.
Dirty oil screens.
Defective pressure gauge.
Air lock or dirt in relief
valve.
Leak in suction line or pres-
sure line.
High oil temperature.
Stoppage in oil pump intake
passage.
Worn or scored bearings.
Insufficient air cooling.
Insufficient oil supply.
Cause
2H20
Remedy
Repair or replace engine
mount.
Remove propeller and have
it checked for balance.
Check propeller for track.
Install new mounting bush-
ings.
Check compression.
Clean or replace plugs.
Check entire engine.
Check oil supply.
Remove and clean oil
screens.
Replace gauge.
Remove and clean oil pres
sure relief valve.
Check gasket between ac-
cessory housing crankcase.
See High Oil Temperature
in Trouble Column.
Check line for obstruction.
Clean suction strainer.
Overhaul.
Check air inlet and outlet
for deformation or obstruc
tion
Fill oil sump to proper level
with specified oil.
71 - 02 - 00
Page - 71-05
Reissued: August 1, 1986