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High Speed Transducer
On boats with stepped hulls, it may be possible to mount the transducer on the step. Never
mount the transducer on the transom behind a step, as this area of the transom will not be
in contact with the water at high speeds.
Mounting the Bracket
Once you have identified the location, use the mounting template from the last page of these
instructions. This template serves two purposes: it provides a means of ensuring that the
deadrise of the transom falls within allowable limits, and it locates the three mounting holes
which must be drilled.
Hold the template on the transom of the boat in the location you have selected. Align the
template vertically, ensuring the lower edge of the transom on either side of the template
falls within the horizontal lines on the template. If not, tilt the template slightly so that the
lower edge of the transom on both sides of the template fall within the allowable range.
Using a pencil or a punch, mark the three mounting holes onto the transom. Using a 5/32"
(4 mm) bit, drill the three holes to a depth of approximately 1" (25 mm).
NOTE: On fiberglass hulls, it is best to use progressively larger drill bits to reduce the
chance of chipping or flaking the outer hull coating.
Use a silicone sealant to fill the drilled holes, especially if the holes penetrated the transom wall.
Align the metal mounting bracket with the mounting holes. The center slot should be above
the two outer slots. (This bracket and all other hardware supplied is top quality stainless steel
for maximum strength and corrosion protection). Insert the three 1" (25 mm) flat head wood
screws into the drilled holes, but do not completely tighten.
Assembling the Transducer
Attach the pivot to the transducer body as shown in the following illustration using the two
1/4--20 x 5/8" (16 mm) machine screws, toothed washers, and square nuts. The toothed
washers must fit on the inside of the transducer ears, between the pivot and the ears. The
square nuts will be prevented from rotating by the pocket in the back of the pivot.
An Allen wrench is provided which fits all of the 1/4--20 screws, but do not fully tighten the
screws at this time.
Attaching the Transducer
Slide the assembled transducer into the metal bracket from the bottom, aligning the large
hole at the top of the bracket with the hole in the pivot.
Insert the headed pin through the pivot holes in the bracket and pivot. The headed pin can
be inserted from either side of the bracket.
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