Reducing Noise And Vibrations - Simrad DD15 Manual

Simrad DD15 Direct Drive
A good installation check is to make sure that all end position
points for the output lever and the tiller lever are in one line.

Reducing noise and vibrations

The vibrations from the autopilot drive motor and gears are often
amplified multiple times by the deck or hull. This noise can be
dramatically decreased by using the special bolts, rubber washers
and bushes one can find in the bag supplied with the drive unit.
When mounted like in the below illustration, the vibrations will
be limited to the absolute minimum and a smooth and silent
installation is guaranteed.
Washer Ø8,5 x Ø16
12
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Figure 3-2 Travel of tiller lever and output lever
DIN912 M8x50
Rubber washer
Rubber washer
Washer Ø8,5 x Ø25
Nut DIN985 M8
Figure 3-3 Reducing vibrations
Drive unit
Mounting plate
20222303 / A