Humminbird HDR 650 7. Locking Down the Transducer(Optional)

7. Locking Down the Transducer(Optional)

NOTE:You have the option to lock down the Two Piece Kick Up bracket if you do

notwant the transducer to kick up. Pleasebe aware, however, that the transducer

canbe damaged if it is locked down and it strikes debris in the water.

1. To lock down the transducer, trace the

positionof the mounting bracket. Force the

pivotto the Up position to gainaccess to the

mountingscrews, then re-alignthe mounting

bracket againstthe transom of the boat to

match the traced silhouette. Check the

bracketposition with the levelagain to make

sure it is still level, thenmark the fourth

mountinghole using a pencil or marker (see

theillustration Using the MountingBracket

toMark the Initial DrillHoles). Unscrewand

remove the mounting screws and the

transducerassemblyand set aside.

2. Drillthe fourth mounting hole, usinga 9/64"

drillbit. Use a marine grade siliconesealantto

fillall four drilledmounting holes, especiallyif

theholes penetratethe transom wall.

3. Re-positionthe transducer assembly against

thetransom of the boat,then hand install the

firstthree screws (two on the outsideedges

andone in the 3rd mountinghole). Make sure

that the transducer location and the pivot

anglehave not changed,then fully tighten all

three mounting screws(see the illustration

Fully TightenAll Three Mounting Screws).

Hand-tightenonly!Snapthe pivotback down.

4. Install#8 x 1" woodscrew into the 4th holeto

lock downthe pivot arm (see the illustration

Lockingthe Pivot Arm).Hand-tighten only!

Lockingthe Pivot Arm

Usingthe MountingBracket

toMark the InitialDrill Holes

MarkInitial

DrillHoles

4thhole

3rdhole

TransomMount Transducer Installation