Rotax 912 iS Sport, Руководство по обслуживанию

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MAINTENANCE MANUAL
BRP-Powertrain
Effectivity: 912 i Series
Edition 1/Rev. 0
05-50-00
page 20
January 01/2012
3.11) Spark plug not in accordance with specification
General note
If by error any of the spark plugs were installed which are not according to
specification of the engine manufacturer and/or not genuine ROTAX parts,
the following verification will be necessary.
3.12) Non compliance of fuel quality
General note
With the use of unsuitable fuel quality (e.g. low octane fuel), depending on
the operating condition the knock control would activate itself. This control
should prevent damage by knocking combustion.
The use of unsuitable fuel quality has to be entered in the engine log book.
Spark plug not in accordance with specification
Step Procedure
1 Mark position of the spark plugs (e.g. cyl. 1 top) and remove all spark plugs.
2 Inspect the spark plugs for damage (formation of melt beads, burn off). At
heavy melt beads or bad burn off, inspect the piston dome and cylinder wall
by periscope. If parts are damaged, the engine must be inspected, repaired
or overhauled in accordance with the BRP-Powertrain instructions for contin-
ued airworthiness.
3 Inspect all systems for correct function.
4 Detailed inspection of affected engine components.
5 Inspect spark plug thread for damage (especially at bad burn off).
6 Differential pressure check. See chapt. 12-20-00 section: 4) .
7 Change oil and oil filter.
Non compliance with fuel quality
Step Procedure
1 Visual inspection of engine
2 Empty the fuel system according to the instructions of cell manufacturer
3 Replace fuel filter
4 Flush fuel system
5 Check differential pressure
6 Engine test run