Lycoming TIO-540-A1A, Operator'S Manual

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LYCOMING OPERATOR’S MANUAL SECTION 6
TIO-540 SERIES – ANGLE VALVE CYLINDER HEADS TROUBLE-SHOOTING
TROUBLE PROBABLE CAUSE REMEDY
Low Power and Uneven Defective ignition wire Check wire with electric tester.
Running (Cont.) Replace defective wire.
Defective spark plug terminal Replace connectors on spark
connectors plug wire.
Plugged fuel injector nozzle Clean or replace nozzle.
Failure of Engine to Develop Leak in induction system Tighten all connections and
Full Power replace defective parts.
Plugged fuel injector nozzle Clean or replace nozzle.
Throttle lever out of adjustment Adjust throttle lever.
Improper fuel flow Check strainer, gage and flow
at the fuel line.
Restriction in air scoop Examine air scoop and remove
restrictions.
Improper fuel Drain and refill tank with
recommended fuel.
Faulty ignition Tighten all connections. Check
system with tester. Check
ignition timing.
Rough Engine Cracked engine mount Replace or repair mounting.
Defective mounting bushings Install new mounting bushings.
Uneven compression Check compression.
Plugged fuel injector nozzle Clean or replace nozzle.
Low Oil Pressure Insufficient oil Fill sump to proper level with
recommended oil.
Air lock or dirt in relief valve Remove and clean oil pressure
relief valve.
Leak in suction line or pressure Check gasket between accessory
line housing and crankcase.
High oil temperature See “High Oil Temperature” in
“Trouble” column.
6-3