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SECTION 6
LYCOMING OPERATORS MANUAL
TROUBLE-SHOOTING
VO, IVO & TIVO-540 SERIES
TROUBLE
PROBABLE CAUSE
REMEDY
High Oil Temperature (Cont.)
Interrupted air flow through
cooler.
Clear air flow path through cooler.
Improper engine operation.
Check entire engine.
Defective temperature gauge.
Replace gauge.
Excessive Oil Consumption
Low grade of oil.
Fill with oil conforming to
specification.
Failing or failed bearings.
Check sump for metal particles,
and, if found, overhaul engine.
Worn piston rings.
Install new rings.
Incorrect installation of piston
rings.
Install new rings.
Cold Weather Difficulties
Cold oil.
Move aircraft into a heated
hangar. Heat oil.
Inaccurate pressure readings.
In extreme cold weather, oil
pressure readings up to
approximately 100 psi do not
necessarily indicate
malfunctioning.
Overpriming.
Leave ignition off and mixture
control in Idle Cut-Off, open
throttle and unload engine by
cranking for a few seconds.
Weak battery.
Install fully charged battery.
Engine Does Not Stop
Linkage does not permit full
travel of Idle Cut-Off.
Readjust linkage for full travel.
Leaking Idle Cut-Off.
Over
haul carburetor or fuel
injector.
Faulty ignition switch.
Overhaul switch. Check ground
wires.
6-4
Содержание IVO-540 Series
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