Warming Up Period; Holding Point Control; Ground Test; Ignition Check - Rotax 912 i series Operator's Manual

Warming up peri-
od

3.6) Holding point control

Ground test

Ignition check

Effectivity: 912 i Series
OM Edition 1/Rev. 2
Step
1 Start warming up period at approx. 2000 rpm for approx. 2
minutes.
2 Continue at 2500 rpm, duration depending on ambient
temperature, until oil temperature reaches 50 °C (120 °F).
3 Check temperatures and pressures.
NOTICE WARNUNG
Step
Short full throttle ground test (consult Aircraft Operators
1
Manual since engine speed depends on the propeller
used).
Check the double ignition
Check the two ignition circuits at 4000 rpm (approx. 1700 rpm pro-
peller).
LANE and Ignition Check:
NOTICE WARNUNG
Step
Rise engine speed up to 4000 rpm.
1
Turn "OFF" LANE selector switch A. Observe the rev
2
counter.
NOTICE
Turn „ON" LANE selector switch A.
3
Turn „OFF" LANE selector switch B. Perform checks in
4
same way as LANE A.
Turn "ON" LANE selector switch B.
5
6 Reduce to idle speed.
Check power supply and minimum voltage of 12 V at
7
each LANE.
BRP-Powertrain
Procedure
After a full-load ground test allow a short cool-
ing run at idle speed to prevent vapour forma-
tion in the cylinder head.
Procedure
If the engine speed drops or any error mes-
sages are present from the EMS then find out
what the cause is and take corresponding ac-
tion to rectify the problem.
Procedure
The speed drop may not exceed 180 rpm engine
speed, which corresponds 75 rpm propeller
speed.
page 3-11
April 01/2014