d02877.fm
MAINTENANCE MANUAL
BRP-Powertrain
Effectivity: 912 Series
Edition 2 / Rev. 0
05-50-00
page 20
October 01/2009
3.9) Hard to turn over
General note See Fig. 6.
Inspection Carry out inspection only on cold engine and before 1
st
start.
Graphic Measuring torque required to turn crank drive
Fig. 6
05694
WARNUNG
WARNING
Risk of electric shock!
Ignition “OFF“ and system grounded! Disconnect neg-
ative terminal of aircraft battery.
Engine runs sluggishly
Step Procedure
1 Remove spark plug connector and remove 1 spark plug from each cylin-
der.
2 Torque must be determined with a suitable jig.
To do this, determine the maximum occurring torque on the propeller shaft
necessary to move the whole crank drive.
The torque must be max. 150 Nm (110.64 ft.lb).
3 Carry out detailed inspection of the affected gearbox components.
4 Carry out detailed inspection of crank drive.
Kraft F in N /
force F in N
Länge L (m) /
length L in m
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