Lycoming TIO-540-A1A, Operator'S Manual

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SECTION 6 LYCOMING OPERATOR’S MANUAL
TROUBLE-SHOOTING TIO-540 SERIES – ANGLE VALVE CYLINDER HEADS
TROUBLE PROBABLE CAUSE REMEDY
Low Oil Pressure (Cont.) Defective pressure gage Replace.
Stoppage in oil pump intake Check line for obstruction. Clean
passage suction strainer.
High Oil Temperature 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 strainers Remove and clean oil strainers.
Excessive blow-by Usually caused by worn or stuck
rings.
Failing or failed bearing Examine sump for metal parti-
cles. If found, overhaul of en-
gine is indicated.
Defective temperature gage Replace gage.
Excessive oil consumption Low grade of oil Fill tank with oil conforming to
specification.
Failing or failed bearings Check sump for metal particles.
Worn piston rings Install new rings.
Incorrect installation of piston Install new rings.
rings
Failure of rings to seal (new Use mineral base oil. Climb to
nitrided cylinders) cruise altitude at full power and
operate at 75% cruise power
setting until oil consumption
stabilizes.
High Fuel Flow Indicated Plugged fuel injector nozzle Clean or replace nozzles.
On Fuel Gage
6-4