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4.2) Before engine start
4.3) Pre-flight checks
Safety
Operating media
Oil level
Effectivity: 912 Series
Rev. 1
Carry out pre-flight checks.
Risk of burns and scalds! Hot engine parts!
Conduct checks on cold engine only!
Step
Procedure
1
Check for any oil-, coolant- and fuel leaks. If leaks are
evident, rectify and repair them before next flight.
Operating media must be observed.
Inappropriate oil quantity can lead to serious engine damage.
The specifications given in
when refilling oil.
Step
Procedure
1
NOTE
Propeller shouldn't be turned in reverse of the nor-
mal direction of engine rotation.
Remove bayonet cap from the oil tank, turn the propeller
slowly by hand in direction of engine rotation several
times to pump residual oil from the engine into the oil
tank.
2
It is essential to build up compression in the combustion
chamber. Maintain the pressure for a few seconds to let
the gas flow via the piston rings into the crankcase. The
speed of rotation is not important but rather the continu-
ous pressure and the amount of gas which is transferred
into the crankcase.
3
This process is finished when air is returning back to the
oil tank and can be noticed by an audible gurgle from the
open oil tank.
BRP-Rotax
m WARNING
NOTICE
Chapter 2.4
must be adhered to
Ed.4/January 01 2023
Page 4-5
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