TECHNICAL DESCRIPTION, OPERATING, MAINTENANCE AND REPAIR MANUAL
3.7 Operating media
Operating media are: fuel, engine oil, liquid coolant, brake fluid. Operating media filling
holes can be seen in the following Figure and they are: 1. for engine oil,
2. for liquid coolant
Fig. 27 Operating media
3.7.1 Engine oil
Total oil quantity in ROTAX 912 lubricating system amount s to 3.5 litre. The oil tank is
located in the engine compartment and is accessible when engine upper cowling is
removed. Oil quantity is measured by wire-gage in the oil tank.
The recommended oil brands are listened in the Operator’s Manual for all versions of
ROTAX 912 engine. Prior to oil check, turn the propeller by hand several times to pump
oil from the engine into the oil tank, or let the engine idle for 1 minute. He oil level in the
oil tank should be between min. and max. mark and should not be below min. mark ( see
the Operator’s Manual for all versions of ROTAX 912 engine ).
For oil empying the following procedure can be applied:
- Place a suitable container for old oil below the oil tank,
- Unscrew a drain screw from the bottom of the oil tank to empty oil,
- Remove and replace oil filter at each oil change,
- Replace a new sealing ring of the drain screw,
- Fit drain screw,
- Refill with approx. 3 litre of new oil.
Date: 01.03.2002 WT-9 Dynamic Section 3 Page 3 - 13
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