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MAINTENANCE MANUAL
BRP-Powertrain
Effectivity: 912 i Series
Edition 1/Rev. 0
05-50-00
page 3
January 01/2012
1) Engine check after propeller strike incidents
Definition
A propeller strike is:
- Any incident while the engine is stationary or running which makes it
necessary to perform repairs on the propeller.
See SL-912-015 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.
Step
Procedure
1
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.
2
Inspect add-on components e.g. propeller governor, vacuum pump, exter-
nal alternator. Observe the manufacturers instruction(s).
3
Observe all relevant directives from the aircraft manufacturer.
4
Remove the fuel pump and gearbox. Perform a crankshaft out- of round-
ness inspection on PTO side. See chapter 72-00-00 Heavy Maintenance. If
measuring up is inside the value 0.08 mm continue and also perform a
crankshaft distortion inspection see chapter 72-00-00. If distortion is inside
the value of 2 degree, continue as following:
5
Remove and replace the roller bearing in crankcase for propeller shaft. See
chapter 72-00-00 Heavy Maintenance.
6
Remove the crankshaft gear for NDT inspection. See chapter 72-00-00
Heavy Maintenance.
7
Inspect, repair and perform overhaul of the whole gearbox in accordance
with chapter 72-00-00 Heavy Maintenance.
8
Perform NDT inspection upon housing and metal parts e.g. propeller shaft
and gear set.
9
Re-install crankshaft gear and check the crankshaft for out-of roundness.
See chapter 72-00-00 Heavy Maintenance.
10
Re-install the overhauled gearbox. See chapter 72-00-00 Heavy Mainte-
nance.
11
Perform an engine test run in accordance with chapter 12-20-00.
12
Release back to service and make a note in engine log book work carried
out.
Summary of Contents for 912 iS Sport
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