CHAPTER 71
PAGE 8
SERVICE MANUAL EXTRA 300LT
PAGE DATE: 24. February 2017
Removal
This paragraph describes the removal of the engine mount
from the engine.
1 Disconnect oil cooler assembly from its supports at the
engine mount by removing the connection bolts and nuts,
remove baffles if necessary.
2 Unscrew locknuts of the mounting bolts (refer to figure 3)
at the shock mounts.
3 Separate engine including oil cooler from engine mount. If
necessary, push bolts outwards for removal.
Installation
Install in reverse sequence of removal
Torque locknuts of connection bolts to engine shock mounts
with 55 Nm (40.5 ft. lbs.).
71-20-01 Shock Mounts
Description
The shock mounts serve as dampers to reduce the transmission
of vibrations induced by the engine to the airframe.
The shock mounts consist of bonded rubber material with a
metal spacer at the center.
Each of the 4 shock mounts consists of two rubber halfs and
one tubular spacer (ref. figure 3) fixed by a single bolt.
Removal
N O T I C E Replace the extracted shock mount before proceeding
with the removal of the next.
1 Support engine at its designated lifting lugs (ref. Lycoming
Maintenance Manual).
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