Vittorazi Motors COSMOS 300 User Manual page 16

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Engine safety and reliability are given by the long endurance tests (200 hours)
performed in extreme conditions with the approved propellers, to check if there are
any critical issues before the production.
The engine warranty ends when the propeller, the engine, the aircraft has an accident.
After a propeller has broken, the engine is no longer safe. The engine must be completely
checked by an authorized centre in every part of the system before resuming flight activity.
This is also necessary for the rest of the aircraft. The statistics lead to the inspection of the
following engine components:
• Reduction drive unit (propeller hub, bearings, reduction cases, main propeller shaft
gears, screws, others).
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Engine carter case, engine rubber mountings, main screws.
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Exhaust system and silencer unit.
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Airbox system (airbox, sleeve, safety devices).
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More.
In case of damage of the propeller, replace it immediately with a propeller guaranteed by
Vittorazi Motors. Replace in any case all screws of the propeller.
Cosmos 300 – User manual – V3 16