PA - 4 4 - 1 8 0 / 1 8 0 T
AIRPLANE MAINTENANCE MANUAL
7 1 - 0 2 - 0 0
Page 71-06
Revised: May 15, 1989
3E4
CHART 7101. TROUBLESHOOTING (ENGINE) (cont)
TROUBLE CAUSE REMEDY
High oil temperature. Failing or failed bearing. Examine sump for metal particles.
(cont) If found, overhaul engine.
Defective temperature gauge. Replace gauge.
Defective oil cooler lines. Check inside of oil lines for
obstruction flush out lines and
oil cooler.
Excessive oil consumption. Low grade of oil. Fill with oil conforming to
specifications.
Failing or failed bearings. Check sump for metal particles.
Worn piston rings. Install new rings.
Incorrect installation of Install new rings.
piston rings.
Failure of rings to seat (new Use mineral base oil. Climb to
nitrided cylinders). cruise altitude at full power and
operate at 75% cruise power
setting with high oil temperature
until oil consumption stabilizes.
Leaking oil seal in turbocharger, Check for oil in turbo exhaust.
180T only. Replace turbocharger.
Leaking or damaged oil lines. Replace item.
Poor acceleration. Idle mixture too lean. Readjust mixture.
Incorrect fuel air mixture. Service carburetor.
Worn control linkage or Tighten loose connections;
restricted air cleaner. and/or service air cleaner.
Ignition defective. Check ignition cables, plugs,
timing and magnetos.
Malfunctioning turbocharger, Check operation and listen for any
180T only unusual noises. Check overboost
valve and exhaust system for
defects. Tighten loose
connections.
PIPER AIRCRAFT
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