Humminbird Fish Finder 409000-1 User Manual

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23
Transom Mount - DualBeam PLUS™
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
MarkInitial DrillHoles
Fourth Hole
Third Hole

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