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66 ST4000+ Wheel & Tiller Autopilots: Owner’s Handbook
5 Installing the ST4000+
Mounting the cantilever assembly
To mount the cantilever assembly:
1. Temporarily assemble the cantilever by screwing the rod into the
mounting ring.
2. Ensure the drive unit is horizontal and then mark the location of
the mounting ring and its mounting holes.
3. Drill three 6 mm (
1
/
4
in) diameter holes at the positions you have
marked.
4. Bed the mounting ring on a thin coat of silicon sealant.
5. Use three 6 mm (
1
/
4
in) diameter bolts, nuts and washers to attach
the mounting ring to the backing plate (with the backing plate on
the other side of the mounting surface, as shown above).
6. Screw the rod firmly into place.
7. Roughen the end of the cantilever rod and the inside of the cap to
provide a key. Then apply two part epoxy adhesive to the rod end
and the cap.
8. Place the cap over the rod end, making sure the hole for the
drive unit mounting pin faces upwards. Allow the epoxy
adhesive to harden fully before applying a load.
Note: When the autopilot is not in use, you can unscrew the complete
rod assembly to leave the cockpit unobstructed.
L
F
D288-2