Returning Engine To Service After Submerging - Rotax 912 iSc Maintenance Manual

3.1) Returning engine to service after submerging in water
General note
An engine which has been submerged in water must be inspected,
repaired or overhauled in accordance with the BRP-Powertrain instruc-
tions for continued airworthiness.
- Inspect all systems for correct functioning.
Inspection
NOTE:
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.:
electric fuel pumps, ignition coils, stators, spark plugs, spark plug con-
nectors, electronic modules, sensors, ECU, wiring harness) must be
replaced.
NOTE:
Effectivity: 912 i Series
Edition 1/Rev. 0
BRP-Powertrain
MAINTENANCE MANUAL
The engine must be marked clearly "Engine sub-
NOTICE
WARNUNG
merged in water". Define if it was fresh water or salt
water.
Prior to the detailed inspection, all parts should be cleaned and
inspected for corrosion. For accessories (e.g. vacuum pump,
fuel filter etc.) the instructions and specifications of the corre-
sponding manufacturer must be followed.
Complete inspection of these components:
voltage supply
gearbox
suspension system
fuel system
units of power
ignition system
cylinder unit
Signs of submerging in water could be discoloration or corro-
sion.
cooling system
valve train system
engine management
exhaust system
lubrication system
start system
05-50-00
January 01/2012
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