Humminbird 1158? combo, Product Manual

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Locking Down the Transducer (Optional)
NOTE: You have the option to lock down the Two Piece Kick Up bracket if you do not want the transducer
to kick up. Please be aware, however, that the transducer can be damaged if it is locked down and it strikes
debris in the water.
1. To lock down the transducer, trace the position of the
mounting bracket. Force the pivot to the Up position to
gain access to the mounting screws, then re-align the
mounting bracket against the transom of the boat to match
the traced silhouette. Check the bracket position with the
level again to make sure it is still level, then mark the fourth
mounting hole using a pencil or marker. Unscrew and
remove the mounting screws and the transducer assembly
and set aside.
2. Drill the fourth mounting hole, using a 9/64" drill bit. Use a
marine grade silicone sealant to fill all four drilled
mounting holes, especially if the holes penetrate the
transom wall.
3. Re-position the transducer assembly against the transom of
the boat, then hand install the first three screws (two on
the outside edges and one in the 3rd mounting hole). Make
sure that the transducer location and the pivot angle have
not changed, then fully tighten all three mounting screws.
Hand-tighten only!
4.
Snap the pivot back down. Install #8 x 1" wood screw into the 4th
hole to lock down the pivot arm.
Hand-tighten only!
Fully Tighten All Three
Mounting Screws
Marking the Fourth Drill Hole
for Optional Lock Down
Mark Initial Drill Holes
Fourth Hole
Third Hole
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Transom Mount - DualBeam ™ PLUS