Humminbird 967C manual Inside the Hull Transducer Installation, Routing the Cable

Routing the Cable

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15/8” (18 mm) hole

2Escutcheon Plate

3Cable Clamp

3.Place the escutcheon plate over the cable hole and use it as a guide to mark the two escutcheon plate mounting holes. Remove the plate, drill two

9/64" (3.6 mm) holes, then fill both holes with marine-grade silicone sealant. Place the escutcheon plate over the cable hole and attach with two #8 x 5/8" (16 mm) wood screws.

4.Route and secure the cable by attaching the cable clamp to the transom; drill one 9/64" dia. (3.5 mm) x 5/8" deep (16 mm) hole, then fill hole with marine-grade silicone sealant, then attach the cable clamp using a #8 x 5/8" (16 mm) screw.

5.Plug the other end of the transducer cable back into the control head connection holder.

Inside the Hull Transducer Installation

If you choose to mount your transducer inside the hull of your boat, perform the procedures in this section. In-hull mounting generally produces good results in single thickness fiberglass-hulled boats. Humminbird® cannot guarantee depth performance when transmitting and receiving through the hull of the boat, since some signal loss occurs. The amount of loss depends on hull construction and thickness, as well as the installation position and process.

This installation requires slow-cure two-part epoxy. Do not use silicone or any other soft adhesive to install the transducer, as this material reduces the sensitivity of the unit. Do not use five-minute epoxy, as it has a tendency to cure before all the air bubbles can be purged, thus reducing signal strength.

NOTE: In-hull mounting requires an installed and operational control head.

Preferred Mounting Area

Perform a final test of the transom transducer installation

After transom transducer installation, please perform the final testing and then finalize the installation (see Test and Finish the Transducer Installation).

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1 Rivets/Strakes

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