Humminbird HDR 650 manual Transom Mount Transducer Installation

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7.Drill the third mounting hole, using a 5/32” drill bit. Use a marine-grade silicone sealant to fill all threedrilled mountingholes, especiallyif the holes penetrated the transom wall.

NOTE: On fiberglass hulls, it is best to use progressively larger drill bits to reduce the chance of chipping or flaking the outer coating.

Fully Tighten All Three

Mounting Screws

8.Re-position the transducer assembly against the transom of the boat, then hand-install all three screws. Make sure that the transducer location and the pivot angle have not changed, then fully tighten all three mounting screws (see the illustration Fully Tighten All Three Mounting Screws). Snap the pivot back down. If you have performed the preceding procedures correctly, the transducer should be level and at the right height for optimal operation.

23Transom Mount Transducer Installation

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Contents HDR 650 Installation Operations Manual Thank You Table of Contents Maintenance How Sonar Works Installation Overview Installing the HDR Cutting the Mounting Hole Locating the HDR 650 Mounting PositionHDR Face Plate Trim Ring Tabs Customizing and Assembling the HDRInstalling the HDR Collar Gasket DashboardViewHDR 650 Control Head Installing the Buzzer Connecting to the Power SupplyBuzzer Inline Fuse Holder Installing the TransducerTransducer Installation Overview StepRib Transom Transducer InstallationLocating the Transducer Mounting Position Rivets Strakes TransomHullDeadrise Angle LevelPreparing the Mounting Location Assembling the Transducer and Initial Mounting 4th hole Mark InitialDrill Holes Bead Alignment Number Transom Angle Measured Distance Transom Angle in degrees MeasuredWeight DistanceKnuckle Beads Ratchet RibBead Ratchet Snap the pivot arm down into place Trailingedge One click too low Leading edge One click too highRouting the Cable Transom Mount Transducer Installation See the illustration Storing Excess Cable Connecting the CableTest and Finish the Installation Storing Excess Cable Gathered at one location as shownLevel Seam aligned with boat hull Rib Ratchet BeadTransom Mount Transducer Installation Locking Down the Transducer Optional Inside the Hull Transducer Installation Positioning the Transducer and Preferred Mounting Area Trial InstallationRouting the Cable Make sure the position of the transducer is marked Permanently Mounting the TransducerTrolling Motor Transducer Options Trolling Motor Transducer InstallationDepth Units Shallow Alarm Icon IndicatesOperating the HDR HDR 650 Control HeadKey Functions Overview Power On/OffSet Units UnitsSet Shallow Alarm Icon Shallow AlarmSet Deep Alarm Icon Deep AlarmPostiveOffset NumberIcon NegativeOffset NumberIconMaintenance HDR 650 MaintenanceTransducer Maintenance HDR 650 Doesnt Power Up TroubleshootingBottom Reading Disappears During a Hard Turn No Bottom Reading on the DisplayNo Continuous Depth Display in Very Shallow Water Screen Fades, Images are not SharpYear Limited Warranty Humminbird Service Policy Returning Your Unit for Service Specifications Specifications Contact Humminbird