Rotax 912 i Series Maintenance Manual page 118

ENGINE PRESERVATION
Storage and preservation requirements for a new
engine
The manufacturer BRP Powertrain guarantees
satisfactory corrosion protection of the
912 i Series aircraft engines for at least 12
months from the BRP Powertrain delivery date.
This warranty is subject to the following condi-
tions:
- The engine must be stored in the
original packaging delivered by BRP-Pow-
ertrain.
- The covers must not be removed.
- The engine must be kept in suitable storage
(closed, clean and
dry).
If the engine is stored for a period longer than 12
months, the following checks must be carried out
every 3 months.
Step
1 Remove 1 spark plug per cylinder and
turn the crankshaft manually through 2 full
revolutions.
2 Re-install the spark plug.
3 Visual inspection for rust (e.g. propeller
shaft). If rust is found, the engine must
immediately be sent to an authorised
overhauling company for inspection.
WARNUNG WARNING
Non-compliance can result in serious injuries or
death!
The engine must not be put into operation.
The maximum possible storage peri-
NOTE:
od of the engine is limited to 24
months.
If this limit is exceeded, the engine must be sent
to an authorised sales or service partner for
ROTAX aircraft engines.
Effectivity: 912 i Series
Edition 1/Rev. 0
BRP-Powertrain
MAINTENANCE MANUAL
Procedure
Expired engine preservation
Thanks to the special cylinder wall coating, the
ROTAX aircraft engine does not generally need
any special anti-corrosion measures.
NOTICE
WARNUNG
Storage is possible for up to 12 months if the li-
sted measures are observed!
- For oil change, see the current Maintenance
Manual Line for the 912 i Series engine type.
- Seal all openings, exhaust pipe and air filters
on the cold engine to prevent ingress of
contamination and damp air.
- Spray steel parts on the outside with preser-
vation oil.
- If the engine is out of service for longer peri-
ods, the whole preservation process must be
repeated annually.
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Page 8
July 01/2012