3.After the mounting location has been determined, loosen the gimbal knobs and remove the control head from the gimbal bracket.

NOTE: Alternate hole patterns are available on the gimbal mounting bracket, and may match existing holes on the boat. You may choose to use one of these alternate hole patterns.

4.Place the gimbal bracket in the chosen position on the mounting surface and mark the four mounting screw locations using a pencil or center punch.

NOTE: Go to the installation instructions applicable to your transducer, GPS Receiver and accessories. Make the required installations and then run the cables to your control head mounting location. Do not cut any cabling (except the power cable). If your cables are too short, extensions are available from your local dealer or online from www.humminbird.com.

8.5"

5"

3.6"

1.25"

1

3

2

1 Mounting Screws

Gimbal Mounting Bracket 3

2Washer

5.Set the gimbal bracket aside and drill the four mounting screw holes using a 5/32" (4.0 mm) drill bit.

6a. If the cables must pass through a hole directly beneath the mounting bracket, mark and drill an additional 1" (25 mm) hole centered between the four mounting holes. Route the cables through the 1" hole. Place the hole cover over the mounting surface

8

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Humminbird 957C, 917C manual Mounting Screws