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Dometic SEASTAR OPTIMUS EPS Installation Manual page 10

Inboard electronic power steering with electric actuator

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3.2
Route the harness
NOTICE!
Leave the protective cover on the harness connector until you are ready
to connect it to the actuator, otherwise the connector may be damaged.
The harness is supplied with a bulkhead plate and cord grip pre-installed. You may
not need this bulkhead fitting, in which case we recommend that you use a tie wrap
on one of the mounting holes to secure the plate to a fixed point on the boat. This
can help manage the harness routing, and it will keep the plate from moving
around and potentially damaging the harness or other equipment on the boat.
If you need to run the harness through a bulkhead:
Determine where you want the harness to enter the bulkhead, ensuring that the
harness bend radius will not be less than 3.5" (90 mm).
Drill a 1.5" (38 mm) hole in the bulkhead where you want the harness to enter.
Loosen the cord grip nut so that it can slide over the harness. Feed the harness
through the hole until the bulkhead plate contacts it. Mark the screw hole locations.
Pull the harness out and drill 3/16" pilot holes.
Feed the harness back through the hole and fasten the bulkhead plate using
three screws (not supplied).
Adjust the amount of harness pulled through the bulkhead so that there is
enough slack to accommodate the movement of the actuator during operation.
Tighten the cord grip by hand, just tight enough to compress the grommet
slightly and secure the harness. Excessive torque may damage the harness.
3.2.1 Harness protection
The actuator harness consists of three cables terminated at a single molded
connector at the actuator end. For a tidy and reliable installation, the three cables
must be properly bundled together and secured.
Secure the harness with tie wraps every 12" (300 mm) or run the harness
through a rigging tube.
8
Electric Inboard Steering Actuator
EN

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