Rev. 5
3-9
• Check the forward side of the firewall especially around components and fasteners,
around the battery, oil tank assembly, heat exchangers, cowl attach locations,
engine mount, and nose gear. The firewall must not have any open passages into
the cockpit.
• Inspect the engine mount for damaged coating, corrosion and signs of fatigue or
cracks. Damaged engine mount coating demands closer examination and repair.
• Inspect the engine vibration isolators for cracks, deterioration and installation.
• Check the engine compartment wiring, including ground wires of the wiring harness.
Wire insulation must be secure, intact and flexible; free from cracks, burns, or
separation. All wire terminations must be tight.
• Check the battery for proper voltage, condition of the case, and that the connections
are secure.
• Engine cooling shroud must be secure and free of cracks.
• Cabin heat cable and connection must be secure and operate smoothly. All ducting
must be secure and in good condition. Heat door must close tightly against firewall
(when 'Off').
• Check each engine control cable for security and condition along the route to the
firewall. The throttle and choke cables must be securely connected to each of the
carburetors and in good condition. Throttle and choke cables must operate the carb
levers from stop-to-stop.
• Inspect the air filters for cleanliness, attachment and condition.
• Inspect the heat exchangers for proper attachment, cleanliness and condition.
• The flexible lines provided with the engine have a service life defined in the Rotax
maintenance manual. Static and other flexible lines must be in good condition,
connected and fastened securely.
• Check the fuel lines for good condition, secure mounting, routing and connections.
Inspect the the screen and bowl of the gascolator for contaminant build-up. Check
the O-ring for condition and deterioration.
• Check the exhaust system for security. Check for signs of exhaust leaks.
• Check exhaust system ball joints for proper anti-seize lubrication.
• Inspect the cowling for overall condition; loose paint, material separation, signs of
wear. Check the cowl fasteners and hinges for missing eyelets, security. Check cowl
shielding for signs of high temperature and proper attachment to cowl.
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