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02 July 2021
79-00-00
Revision
Page 8 of 15
Copyright - BRP-Rotax GmbH & Co KG. All rights reserved.
SI-916 i-003R1 / SI-915 i-003R2
SI-912 i-004R3 / SI-912-018R4 /
SI-914-020R4
SERVICE INSTRUCTION
-
Restore aircraft to original operating configuration.
3.5) Warming up period
NOTE:
At a new installation or modifications to installation do not start the engine before all
installation checks are finished.
3
Observe oil pressure and oil flowing out of the disconnected hose.
NOTE:
If oil is not flowing out of detached hose within 10 seconds, stop
the engine immediately and find the trouble. repeat the previous
steps until proper oil flow is observed. The engine must not be
returned to service before rectification
4
Fit the turbo oil return hose (pos. 2 on Fig. 1) on oil tank. See latest Maintenance Man-
ual Heavy (MMH) for the respective engine type or instruction of aircraft manufacturer
for ROTAX
®
914, 916 i and 915 i Series.
Step
Procedure
m
WARNUNG
NOTICE
Before commencing with the warming up period, the following job tasks
need to be performed.
Step
Procedure
1
Ensure that all engine and actuation systems such as carburetor actuation, cooling
system, ignition switch and propeller are installed and tested O.K. according to spec-
ifications of aircraft manufacturer.
Step
Procedure
2
Connect negative terminal of aircraft battery.
3
Start engine and observe oil pressure.
m
WARNUNG
NOTICE
If oil pressure does not raise within 5 sec. after engine start, shut engine
off. Do not start engine before lubrication system is checked and purging
procedure is repeated.
Repeated test starts with no indicated oil pressure will severely damage
the engine.
Step
Procedure
4
Run engine for about 7 min. at approx. 2500 rpm. Then warm up engine at 2200 to
2500 rpm depending on ambient temperature until an oil temperature of 50 °C (122
°F) is reached.
5
Check oil temperature and pressure values.
6
Stop engine and secure aircraft against unauthorized operation.
7
Check oil level as per operators manual and refill as necessary. Refill oil level in the
tank to max. mark. Do not overfill, otherwise oil would exit through vent hole during
operation. At oil level check the max. mark must not be exceeded.
