Rotax 912 iSc Maintenance Manual page 85

If the engine has been operated longer than 5 hours with engine oil not
longer than 5 hr.
corresponding with specification in the Operators Manual the following
work is required.
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Effectivity: 912 i Series
Edition 1/Rev. 0
BRP-Powertrain
MAINTENANCE MANUAL
Oil specification not respected
Step
Remove propeller gearbox.
The gearbox must be inspected, repaired or overhauled in accordance with
the BRP-Powertrain instructions for continued airworthiness.
Carry out detailed inspection of the affected engine components.
Oil change.
Remove the lowest positioned banjo screw (banjo bolt, plug screw or screw
socket) and drain the remaining oil from the crankcase. Screw in banjo bolt
or plug screw.
Tightening torque see Installation Manual 912 i Series.
Replace oil filter.
Control of the contact surfaces camshaft / hydraulic valve tappet
Drain oil completely from oil cooler.
Drain oil from oil tank.
Refill oil tank with oil as specified, refer to Operators Manual.
Purge air from oil system. See chapt. 12-20-00, section: 12.5).
Run engine for approx. 1 hour and replace oil and oil filter once more, as
stated above.
Procedure
05-50-00
page 19
January 01/2012