THE NEW PIPER AIRCRAFT, INC.
PA-32-301FT / 301XTC
MAINTENANCE MANUAL
PAGE 5
Jun 1/03
4I17
71-00-00
CHART 1 (Sheet 4 of 4)
TROUBLESHOOTING ENGINE
Trouble Cause Remedy
High Oil Temperature. Insufficient air cooling. Check air inlet and outlet
for deformation or
obstruction.
Insufficient oil supply. Fill oil sump to proper level
with specified oil.
Low grade of oil. Replace with oil conforming
to specifications.
Clogged oil lines or Remove and clean oil
strainers. strainers.
Excessive blow-by. Usually caused by worn or
stuck rings.
Failing or failed bearing. Examine sump for metal
particles. If found, overhaul
of engine is indicated.
Defective temperature gauge. Replace gauge.
Excessive oil consumption. Low grade of oil. Fill tank with oil conforming
to specifications.
Failing or failed bearings. Check sump for metal
particles.
Worn piston rings. Install new rings.
Incorrect installation of Correctly install new rings.
piston rings.
Failure of rings to seat Use mineral base oil. Climb
(new nitrided cylinders). to cruise altitude at full
power and operate at 75%
cruise power setting with
high oil temperature until oil
consumption stabilizes.
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