Lycoming IVO-540 Series, Operator'S Manual

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SECTION 4 LYCOMING OPERATOR’S MANUAL
PERIODIC INSPECTIONS VO, IVO & TIVO-540 SERIES
1. DAILY PRE-FLIGHT.
a. Engine.
(1) Be sure all switches are in the “Off” position.
(2) Be sure magneto ground wires are connected.
(3) Check oil level.
(4) See that fuel tanks are full.
(5) Check fuel and oil line connections, note minor indications for repair at 50-hour inspection. Repair
any leaks before aircraft is flown.
(6) Open the fuel drain to remove any accumulation of water and sediment.
(7) Make sure all shields and cowling are in place and secure. If any are missing or damaged, repair or
replacement should be made before the aircraft is flown.
(8) Check controls for general condition, travel and freedom of operation.
(9) Induction system air filter should be inspected and serviced in accordance with the airframe
manufacturer’s recommendations.
b. Turbocharger.
(1) Inspect mounting and connections for turbocharger for security, lubricant or air leakage.
(2) Check engine crankcase breather for restrictions to breather.
2. 25-HOUR INSPECTION (ENGINE). After the first twenty-five hours operating time; new, rebuilt or
newly overhauled engines should undergo a 50-hour inspection including draining and renewing lubricating
oil.
3. 50-HOUR INSPECTION (ENGINE). In addition to the items listed for daily pre-flight inspection, the
following maintenance checks should be made after every 50 hours of operation.
a. Ignition System –
(1) Remove spark plugs; test, clean and regap. Replace if necessary.
CAUTION
CERTAIN CYLINDER ASSEMBLIES REQUIRE LONG REACH SPARK PLUGS. NEVER
INSTALL A LONG REACH SPARK PLUG IN A CYLINDER DESIGNED FOR SHORT
REACH SPARK PLUGS. INTERNAL DAMAGE TO THE ENGINE WILL RESULT IF
SPARK PLUGS OF THE WRONG THREAD LENGTH ARE INSTALLED. SEE THE
LATEST REVISION OF SERVICE INSTRUCTION NO. 1042 FOR CORRECT SPARK
PLUG APPLICATION FOR ALL LYCOMING ENGINES.
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