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parallel with the ground. If you can, then go to step 3A. If it doesn't,
repeat step 2A, but use a different alignment letter until you can
place the transducer on the transom correctly.

Insert bolt and check transducer position on transom.

B. Two-piece bracket: 

Assemble the transducer and bracket as

shown in the following figure. Temporarily slide the bolt though the
transducer assembly but don't tighten the nut at this time. Hold the
assembled transducer and bracket against the transom. Looking at the
transducer from the side, check to see if it will adjust so that its face is
parallel to the ground. If it does, then the "A" positions are correct for
your hull.

If the transducer's face isn't parallel with the ground, remove and
disassemble the transducer and ratchets. Place the ratchets into the
bracket holes with the letter "B" aligned with the bracket alignment
mark. Place them on the transducer aligned with the 12 o'clock posi-
tion on the transducer stem.

Reassemble the transducer and bracket and place them against the
transom. Again, check to see if you can move the transducer so it's
parallel with the ground. If you can, then go to step 3B. If it doesn't,
repeat step 2B, but use a different alignment letter until you can
place the transducer on the transom correctly.

Ratchets

Summary of Contents for Skimmer Series

Page 1: ...rikes an object while the boat is moving If the trans ducer does kick up the bracket can easily be pushed back into place without tools Depending on your sonar unit s connectors your transducer cable may also have the sonar unit s power cable attached to it If that is the case be sure to install the transducer first before connecting the power cable to a power source See the instructions in your s...

Page 2: ...aced in a location that has a smooth flow of water at all times If the transducer is not placed in a smooth flow of water interference caused by bubbles and turbulence will show on the sonar s display in the form of random lines or dots whenever the boat is moving NOTE Some aluminum boats with strakes or ribs on the outside of the hull create large amounts of turbulence at high speed These boats t...

Page 3: ... situations you should install your Skimmer transducer so that its centerline is level with the bottom of the boat hull This will usually give you the best combination of smooth water flow and protec tion from bangs and bumps Align transducer centerline with hull bottom A dual frequency trans ducer is shown at left and a single frequency transducer at right However there are times when you may nee...

Page 4: ...transducer in direct contact with the water Typically shoot thru hull installations give excellent high speed opera tion and good to excellent depth capability There is no possibility of transducer damage from floating objects as there is with a transom mounted transducer A transducer mounted inside the hull can t be knocked off when docking or loading on a trailer However the shoot thru hull inst...

Page 5: ...ers molded into each ratchet Place each ratchet into the bracket with the letter A aligned with the dot stamped into the metal bracket This position sets the transducer s coarse angle adjustment for a 14 transom Most outboard and stern drive transoms have a 14 angle Align plastic ratchets in bracket B Two piece bracket Locate the four plastic ratchets in the trans ducer s hardware package Press tw...

Page 6: ...face is parallel to the ground If it does then the A position is correct for your hull If the transducer s face isn t parallel with the ground remove the transducer and ratchets from the bracket Place the ratchets into the holes in the bracket with the letter B aligned with the dot stamped in the bracket Reassemble the transducer and bracket and place them against the transom Again check to see if...

Page 7: ... if it will adjust so that its face is parallel to the ground If it does then the A positions are correct for your hull If the transducer s face isn t parallel with the ground remove and disassemble the transducer and ratchets Place the ratchets into the bracket holes with the letter B aligned with the bracket alignment mark Place them on the transducer aligned with the 12 o clock posi tion on the...

Page 8: ...e in step 2B Don t tighten the lock nut at this time 4 Drilling mounting holes Hold the transducer and bracket assembly against the transom The transducer should be roughly parallel to the ground The trans ducer s centerline should be in line with the bottom of the hull Don t let the bracket extend below the hull Mark the center of each slot for the mounting screw pilot holes You will drill one ho...

Page 9: ...racket Remove the transducer from the bracket and re assemble it with the cable passing through the bracket over the bolt as shown in the following figures For single frequency Skimmer route cable over bolt and through bracket Side view shown at left and seen from above at right Both bracket types Attach the transducer to the transom Slide the transducer up or down until it s aligned properly with...

Page 10: ...e at the transducer If possible route the transducer cable away from other wiring on the boat Electrical noise from the engine s wiring bilge pumps VHF radio wires and cables and aerators can be picked up by the sonar Use caution when routing the transducer cable around these wires WARNING Clamp the transducer cable to the transom close to the transducer This can prevent the transducer from enter ...

Page 11: ...noise Don t allow the transducer bracket to go below the bottom of the hull TROLLING MOTOR BRACKET INSTALLATION single frequency only 1 Attach the TMB S bracket to the transducer as shown in the follow ing figure using the hardware supplied with the transducer Note The internal tooth washer is supplied with the TMB S Attach motor mounting bracket to transducer 2 Slide the adjustable strap supplied...

Page 12: ...ide view TRANSDUCER ORIENTATION AND FISH ARCHES If you do not get good fish arches on your display it could be because the transducer is not parallel with the ground when the boat is at rest in the water or at slow trolling speeds Transducer angles and their effects on fish arches Transducer aimed too far back Transducer aimed too far forward Proper transducer angle Partial fish arches Full fish a...

Page 13: ... between layers of fiberglass if the material is removed from the chosen area See the figure below WARNING Do not remove any material from your inner hull unless you know the hull s composition Careless grinding or cutting on your hull can result in damage that could sink your boat Contact your boat dealer or manufacturer to confirm your hull specifications Epoxy the transducer to a solid portion ...

Page 14: ...r the boat in about 30 feet of water Add a little water to the sump of the boat Plug the transducer into the sonar unit turn it on then hold the transducer over the side of the boat in the water Adjust the sensitivity and range controls until a second bottom echo is seen on the display You ll need to turn off Auto Sensitivity Auto Depth Range and ASP Try a range setting that is two to three times ...

Page 15: ...ignal 4 Most people can get good results by following steps 1 through 3 so this step is optional If you want to make an extra effort to be absolutely sure that your selected location will work under all conditions make a test run with the boat on plane and observe the bottom signal You ll need to figure some way to prop the transducer into position while you make your test run A brick or two might...

Page 16: ...comes unworkable Spread a thin layer of epoxy about 1 16 or 1 5 mm thick on the face of the transducer as shown in the previous figure Make sure there are no air pockets in the epoxy layer Then apply the remaining ep oxy to the sanded area on the hull 3 Press the transducer into the epoxy twisting and turning it to force any air bubbles out from under the transducer face Stop pressing when you bot...

Page 17: ...y is wet Leave the weight in place for a minimum of three hours Allow the epoxy to cure for 24 hours before moving the boat 5 After the epoxy has cured route the cable to the sonar unit and it s ready to use ...

Page 18: ...18 Notes ...

Page 19: ...EPLACEMENT OR REFUND AS JUST DESCRIBED IS THE EXCLUSIVE REMEDY AVAILABLE TO YOU AGAINST US FOR ANY DEFECT MALFUNCTION OR NON CONFORMITY CONCERNING THE PRODUCT OR FOR ANY LOSS OR DAMAGE RESULTING FROM ANY OTHER CAUSE WHATSOEVER WE WILL NOT UNDER ANY CIRCUMSTANCES BE LIABLE TO ANYONE FOR ANY SPECIAL CONSEQUENTIAL INCIDENTAL OR OTHER INDIRECT DAMAGE OF ANY KIND Some states do not allow the exclusion ...

Page 20: ...rce for sonar and GPS products manufac tured by Lowrance Electronics and Eagle Electronics To order Lowrance or Eagle accessories please contact 1 Your local marine dealer or consumer electronics store To locate a Lowrance dealer visit the web site www lowrance com and look for the Dealer Locator To locate an Eagle dealer visit the web site www eaglesonar com and look for the Dealer Locator Or con...

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