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8. Using the Humminbird Epoxy Kit or equivalent, mix an ample amount of epoxy without causing it to
bubble and pour it in the area the transducer is to be mounted. The puddle should be larger than
the bottom of the transducer.
9. Coat the bottom of the transducer with epoxy, then put it in the center of the puddle and push down
on the transducer while moving it around in a circular motion. This forces out any air bubbles that
may be trapped between the bottom of the transducer and the hull of the boat.
10. Let epoxy cure then the transducer is ready to operate. No water is now required in the bottom of
the boat and gas and oil that is spilled inside of the boat will not degrade performance as it will if the
transducer is placed only in water.
CAUTION: Do not use the silicone seal or any soft adhesive to bond the transducer to the hull.
This will reduce the sensitivity of the unit.
4. TROLLING MOTOR MOUNTING PROCEDURE
A "Trolling Motor Transducer" is designed to be mounted on the foot of the trolling motor with the aid
of an adjustable clamp, included standard. Your trolling motor transducer will give excellent reading
with no interference from the electric motor. Some boat manufacturers are now glassing in a second
transducer beneath the front deck for thru the hull reading of the forward mounted depth sounder. This
installation also serves a dual purpose in that a fisherman can run his big motor at idle speed and use
his front depth sounder to scan for submerged stumps or obstacles. Such a practice can often prevent
damage to props and lower units of the big outboard.
CAUTIONS
1. Occasionally the "eye" of your transducer may become dirty from storage or from contact with oils
present in boats or marina environments. (Oil will cause the "eye" to lose the intimate contact with
the water which is necessary for efficient operation.) The "eye" may be cleaned with liquid
detergent.
2. Improper installation of the transducer can alter the efficiency and accuracy of the entire system.
3. If your boat of transducer is out of the water for a period of time, it may take a short period of time
for the transducer to become thoroughly "wetted" when returned to the water. Also, re-entry may
cause turbulence which will create air bubbles in the "eye" of the transducer. The bubbles will
disappear in a short time or can be removed by rubbing the transducer "eye" with your fingers while
the transducer is in the water.
4. If your instrument should fail to function, be sure to check all the electrical connections before
removing the transducer or calling a serviceman.
5. Inspect your transducer cable and make sure that it has not been cut or damaged to the point
where it will affect the performance of the transducer. A slight nick or cut, exposing the outer cable,
can be repaired by wrapping with electrical tape. A transducer can be damaged if the inner cable
and outer cable are allowed to make contact. Such a problem can sometimes be corrected by
properly splicing the coaxial cable. This should only be attempted by a qualified service technician.
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