BRM BRISTELL ELSA, Operation Instructions Manual

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3-11
Date of Issue: 11/2017
Document No.: ELSA-AOI-2-1-0-US
Revision: -
Not enough oil in oil tank - Refill oil
Too hot oil - Cool down oil.
4. Carry out an unscheduled maintenance check according to Rotax
912 Maintenance Manual Line Chapt. 05-50-00
3.8.5 High oil pressure
3.8.5.1 Oil pressure above permitted range at low ambient temperatures
1. Reduce engine power setting to the minimum necessary
2. Carry out precautionary landing 3.6.2.
3.8.5.2 High oil pressure
1. Reduce engine speed and check the oil pressure again once it has
reached a higher oil temperature.
2. A maintenance inspection should be carried out.
3.8.6 Alternator failure
The Rotax 912 ULS engine has an integrated AC generator. Voltage drop
below 11 volts is indicated by “Low Volt” warning lamp on the instrument
panel or on EFIS display. If the alternator fails, then the instruments are
supplied by onboard battery for a limited period of time (around 30 minutes).
Some instruments, like Garmin G3X, may have installed an internal backup
battery which will power them for given time (refer to the device manual).
In any case switch off all electrical equipmetn which is not essential for your
current flight conditions and land as soon as practicable. Then, before next
flight, investigate cause of alternator failure and remedy it.
3.8.7 Overvoltage
Overvoltage more than 15 Volts
1. Reduce engine speed
2. Check voltage meter for change
If voltage still out of limits:
3. Select AVIONICS OFF
4. MASTER SWITCH OFF
CAUTION
Turning OFF the AVIONICS/MASTER switch will eliminate the possibility
of communications or use of GPS/AHRS, flaps, etc.
5. Carry out Precautionary landing 3.6.2.