1) Preservation Of A New Engine; 2) Engine Back To Operation - Rotax 912 Series Maintenance Manual

11.11.1) Preservation of a new engine

11.11.2) Engine back to operation

Effectivity: 912 Series
AIRCRAFT ENGINES
MAINTENANCE MANUAL II
Storage and preservation directives of ROTAX
912 Series:
ROTAX as the manufacturer of the engine warrants for perfect corrosion
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protection of aircraft engine 912 Series for min. 12 months from date of
delivery by ROTAX .
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This warranty consent is subject to the following conditions:
— The engine must be stored in the original packing as supplied by
ROTAX .
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— The protection covers must not be removed.
— The engine must be stored in a suitable place (closed area, clean and
dry).
If the engine is stored longer than 12 months, the following inspections
have to be carried out every 3 months:
— Remove 1 spark plug on each cylinder and turn crankshaft by hand 2
full turns
— Visually check for corrosion (e.g. on propeller shaft). If corrosion is
detected, the engine has to be sent immediately to an authorized
overhaul facility for inspection.
WARNING: The engine is not allowed to be taken into operation.
NOTE: The maximum possible storage period is limited to 24
months.
If exceeding this period, the engine has to be sent to an authorized overhaul
facility for inspection.
— Remove all plugs and fasteners.
— Clean spark plugs with solvent and a plastic brush.
— If preservation including oil change took place not longer than a year
ago, oil renewal will not be necessary. At longer shut down periods
repeat preservation annually.
WARNING: Work on the engine is only allowed to be carried out and
approved by authorized persons. See para 11.3.
for the aircraft engine type
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page 33
Initial issue, Jan. 01/2002