Pre-Flight Checks - Rotax 915 i A SERIES Operator's Manual

3.2) Pre-flight checks

Safety
Operating media
Oil level
Effectivity: 915 i A Series
Edition 0 / Rev. 0
Risk of burnings and scalds! Hot engine parts!
Conduct checks on the 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 coolant quantity can lead to serious engine damage.
The specifications given in
when refilling oil.
Step Procedure
1
NOTE
Propeller shouldn't be turned excessively reverse
the normal 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 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 the 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 a gurgle from the open oil
tank.
BRP-Rotax
m WARNING
ATTENTION
Chapter 2.4 must be adhered to
December 01 2017
Page 3-5