Engine Check After Propeller Strike Incidents; Propeller Gearbox With Integrated Overload - Rotax 912 Series Maintenance Manual

1) Engine check after propeller strike incidents

Definition A propeller strike is:
- Any incident while the engine is stationary or running which makes it
See SL-912-015, SL-914-012, SL-2ST-009, current edition.
1.1) Propeller gearbox with integrated overload clutch
General note After any propeller strike the following inspections must be performed
before operation can continue.
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Effectivity: 912 Series
Edition 3 / Rev. 1
BRP-Powertrain
MAINTENANCE MANUAL
necessary to perform repairs on the propeller.
Step
Inspect the engine for damage. If any damage is detected, inspect, repair
or overhaul the whole engine in accordance with the relevant Manual.
Inspect all systems for correct functioning.
Inspect add-on components e.g. propeller governor, vacuum pump, exter-
nal alternator. Observe the manufacturers instruction(s).
Observe the directives from the aircraft manufacturer.
Remove the fuel pump and gearbox.
Remove the roller bearing in crankcase for propeller shaft.
The whole gearbox must be inspected, repaired or overhauled in accor-
dance with the BRP-Powertrain instructions for continued airworthiness -
but not limited too
- Carry out detailed inspection of all gearbox components.
- NDT for cracks on gearbox housing, propeller shaft and gear set.
- Inspect drive for governor and vacuum pump (if fitted).
Inspect the crankshaft on the power take off side for out-of roundness. See
chapter 72-00-00 section 3.9) of the Heavy Maintenance Manual.
Re-install the gearbox.
Procedure
05-50-00
page 3
January 01/2013