BRP-Rotax
MAINTENANCE MANUAL LINE
RETURNING ENGINE TO SERVICE AFTER SUBMERGING IN WATER
General note
ATTENTION
The engine must be marked clearly “Engine submerged in water“. Define if it was
fresh water or salt water.
An engine which has been submerged in water must be inspected, repaired or overhauled
in accordance with the BRP-Rotax instructions for continued airworthiness. See current
Maintenance Manual of the respective engine type.
Inspection
• Inspect all systems for correct functioning.
NOTE
Prior to the detailed inspection, all parts should be cleaned and inspected for cor-
rosion. For accessories (e.g. vacuum pump, fuel filter etc.) the instructions and
specifications of the corresponding manufacturer must be followed.
Complete inspection of these components:
• power supply
• cooling system
• gearbox
• valve train system
• engine suspension frame
• exhaust system
• fuel system
• lubrication system
• cylinder unit
• start system
In most cases an overhaul is necessary, in this regard send the engine without delay to an
authorized ROTAX® overhaul facility for inspection.
If an engine was submerged into water, all electrical components
(e. g.: ignition coils, stators, spark plugs, spark plug connectors, sensors) must be
replaced.
NOTE
Discoloration or corrosion are signs of submerging in water.
Effectivity: 912 Series
Rev. 0
Page 17
January 01 2020
