Engine Cleaning - Rotax 912 Series Maintenance Manual

2.1)

Engine cleaning

Inspect engine for leaks prior to cleaning. Repair leaks as required. Clean
engine as necessary.
Use of a commercially available cold cleaning agent is recommended.
CAUTION: For cleaning of engine do not use easily inflammable liquids or
Never clean an engine with a high pressure cleaner. This is detrimental to the
electrical installations and engine seals. Oxidation of the various components
and their failures are the consequence.
After each cleaning procedure, dry all electrical components, such as battery,
ignition unit, spark plug connector, clamp connections etc. by use of low air
pressure (approx. 10 psi) to prevent current loss.
CAUTION: When cleaning the engine, the dissolved residues of fuel, oil and
Effectivity: 912 Series
AIRCRAFT ENGINES
MAINTENANCE MANUAL
caustic cleaning agents.
other environment-contaminating agents are rinsed off. Collect
the cleaning water and dispose in avoidance with applicable
environmental regulations.
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Rev. 1, Jan. 01/2002