Interphace ULTRASCAN PC90, Operation Manual

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boat service or loading, the nylok nut on the end of
the bracket axle can be loosened. Tighten the nut to
50 inch pounds of torque before operating the boat.
through the spacer.
Note: The Forward Horizontal Transducer must be
able to scan beneath the hull. The deadrise angle of
the hull must be less than 10 degrees in order for the
forward horizontal scan to sweep beneath the hull.
Alternately, the transducer can be mounted at or
below the lowest point on the hull.
The transducer can be installed on either side of an
outboard or inboard/outboard engine, or between twin
outboards. For single engine installations, normally
18” to 24” outboard of the propeller center line is
acceptable and the down stroke side of the propeller is
preferred. Choose a location where water flow is
smoothest. For dual engine installation, just off the
center line is usually acceptable.
Because the transducer rotates back and upwards
when the bracket releases, it must be mounted in a
location where there is sufficient clearance and
headroom to allow the full release.
Attach the Transducer & Spray Shield to the
Bracket
Locate the Stainless Spray Shield inside the
transducer’s stainless mounting ears. Make sure the
spray shield is orientated as shown in sketch below.
Then, assemble the stainless kick-up bracket to the
transducers using the 4 screws, washers and lock nuts
provided. Place the rubber grommet around the
transducer cable and slide it into the slot in the spray
shield. The bracket arms must be mounted outside the
stainless steel mounting ears of the transducer. Do not
fully tighten the lock nuts at this time. Tighten them
after the transducer is mounted and the spray shield is
positioned.
Position the transducer so that it is perpendicular from
side to side and make sure the wider blunt end is
pointed towards the front of the boat.
Mounting the Transducer to the Boat
After you have selected the optimum mounting
location and have assembled the mounting bracket to
the transducer, mount the bracket onto the hull as
shown on the right.
Make sure to position the transducer so that it is level
in the fore and aft direction and so it will look straight
Waterline
Rear
View
Spray Shield
Transducer must be
mounted vertically
Fasten Spray Shield
with 4 screws & nylok
washers as shown
Bracket
Axle
Rubber
Grommet
Side View
Boat Hull
Mounting
Bracket
Waterline
Fasten Spray Shield
with 4 screws & nylok
washers as shown
Spray
Shield
18 - 24"
Cables
Twin Outboards
Transducers
Cables
Transom Mount Locations