Rotax 912 iS Sport Operator's Manual page 44

Check the power
output
Performance
Propeller
governor
Page 3-12
January 01 2019
Step Procedure
1 Set engine speed to 2000 rpm.
2 Deactivate auxiliary fuel pump for 5 seconds.
3 Check fuel pressure, then activate auxiliary fuel pump.
4 Deactivate main fuel pump for 5 seconds.
5 Check fuel pressure, then activate main fuel pump.
If the fuel pressure is not within the limits, the cause must be deter-
mined. The engine must not be put into service until the problem is
To check the acceleration and available power, run the engine
at full load with the aircraft stationary for a maximum of 10 sec-
onds (refer to the Operators Manual of the aircraft for speed in-
formation, as it depends on the type of propeller being used).
Step Procedure
1 Set performance as per performance specifications
Chapter: Performance data and respect operating limits
as per Chapter: Operating limits.
2 Carry out performance checks in accordance with the
aircraft manufacturer regulations.
Check control of the hydraulic propeller governor according to
specifications of the manufacturer.
Step Procedure
1 Check governor control range (engine speed at 4300
rpm, approx. 1700 rpm propeller)
NOTE
Cycling the propeller governor puts a relatively high load on the
engine. Unnecessary cycling should be avoided.
BRP-Rotax
ATTENTION
rectified.
Effectivity: 912 i Series
Edition 2 / Rev. 0