Smooth Performance Of The Engine - BRP Rotax 915 i A Series Maintenance Manual

Step

SMOOTH PERFORMANCE OF THE ENGINE

General note
Inspection Inspection of smooth performance of the engine should be performed at a temperature
about 0 °C to 60 °C (140 °F).
Step
Effectivity: 915 i A Series
Rev. 1
BRP-Rotax
MAINTENANCE MANUAL LINE
Non compliance with fuel quality
Procedure
1 Visual inspection of engine.
2 Empty the fuel system according to the instructions of aircraft manufacturer.
3 Flush fuel system.
4 Check cylinder differential pressure.
5 Engine test run.
Ignition "OFF" and system grounded! Disconnect negative terminal of battery.
Procedure
1 Remove spark plug connector and remove 1 spark plug from each cylinder.
2 Torque must be determined with a suitable jig.
To do this, determine the maximum occurring torque on the propeller shaft
necessary to move the whole crank drive.
The torque must be max. 150 Nm (111 ft.lb).
If the maximum torque is exceeded, perform the following inspections:
• Carry out detailed inspection of the affected gearbox components
• Carry out detailed inspection of crank drive
m WARNING
Risk of electric shock!
Engine runs sluggishly
05–50–00
Page 29
June 01 2019