Check Of The Engine Suspension - Rotax 912 Series Maintenance Manual

2.3)

Check of the engine suspension

Verify the engine mount points on the crankcase for tight fit and damage
including cracks.
Inspect the surroundings of engine attachment on crankcase and gearbox. At
discoloration of the crankcase around the fixation points (black ring), suspect
loose fasteners.
Inspect engine isolating mounts including for heat damage, wear and cracks.
WARNING: Adhere to specified tightening torques of screws and nuts with-
Effectivity: 912 Series
AIRCRAFT ENGINES
MAINTENANCE MANUAL
out fail. Overtightening or too loose connection could cause
serious engine damage.
12-00-00
page 6
Rev. 1, Jan. 01/2002