1
High Speed Transducer
THANK YOU
Thank you for choosing Humminbird, America’s #1 name in depthsounders. Humminbird has built its
reputation by manufacturing top-quality, thoroughly reliable marine equipment. Genuine Humminbird
accessories offer the opportunity to upgrade and expand the capabilities of your Humminbird product.
There are a number of ways to install a transducer on your boat.
ABOUT TRANSOM
MOUNT
INSTALLATION
BEFORE YOU START
The transom mount installation provides the least loss of signal since
the transducer is mounted outside the boat hull. This installation also
allows adjustment of both running angle and depth after the transducer
is mounted, which enables you to tune the installation for best results.
Transom Mounted Transducer
Following are instructions for the installation of the High Speed
Transducer. We encourage you to read these instructions carefully to
get full benefit from your Humminbird accessory.
If you find that items are missing from your installation kit, call our
Customer Resource Center Support Hotline. In addition to the
hardware supplied with your transducer, you will need a powered hand
drill and various drill bits, Phillips and flat-head screw drivers, a ruler or
measuring tape, pen or pencil, and Silicone sealant.
LOCATING THE TRANSDUCER
As a boat moves through the water, turbulence is generated by the
weight of the boat, and the thrust of the prop. This turbulent water is
normally confined to areas immediately aft of ribs, strakes, or rows of
rivets on the bottom of the boat, and in the immediate area of the
propeller(s). It is very important to locate the transducer in an area of
relatively turbulence-free water. If the prop(s) are forward of the
transom, it may be impossible to find an area clear from turbulence,
and a different mounting technique should be considered.
If possible, viewing the transom of the boat while the boat is moving
will provide the best means of locating clean water, and if maximum
high-speed operation is a high priority, this is the recommended
method. If this is not possible, select an area on the transom where the
hull forward of this location is smooth and free of protrusions or ribs.
Another consideration is the angle of deadrise. The transducer, when
mounted, should point straight down. The design of the transducer will
allow a deadrise of 15 degrees and remain pointed straight down.
Unlike many transducers, the XHS-6-24 has a hydrodynamic shape
that allows transom mount usage at angles greater than 15°. The sonar
return will be from directly below the boat at the transducers location.
Rivets
Transom
Strakes
Hull
Deadrise Angle
2
MOUNTING THE BRACKET
ASSEMBLING THE TRANSDUCER
ATTACHING THE
TRANSDUCER
On boats with stepped hulls, it may be possible to mount the
transducer on the step. Mounting the transducer on the transom
behind a step will reduce or make impossible high speed operation.
This area of the transom, behind a step, will not be in contact with the
water at high speed.
If the boat is trailered do not mount the transducer close to where
trailer bunks or rollers will impact with the transducer during loading
and unloading of the boat.
Ensure a turbulence free location at lease
15" from the prop(s) and not inline with
trailer bunks or rollers.
Level
TOP
Use 5/32" drill bit
DrillDrill
TOP
Use 5/32" drill bit
Drill Drill
DO NOT LET DEADRISE
INTERSECT THIS LINE
PLACE EITHER CORNER
ON DEADRISE ANGLE
PLACE EITHER ARROW
ON DEADRISE ANGLE
Once you have identified the location, use the mounting template on
page 4. This template locates the two mounting holes which must be
drilled. Note that there are two sets of holes, one for a fiberglass hull
and another set for an aluminum hull.
Hold the template on the transom of the boat in the location you
have selected. Align the template vertically.
Using a pencil or punch, mark the two mounting holes onto the
transom. Use the mounting bracket itself to confirm your marks.
Using a
⁵⁄₃₂"(4mm)
bit, drill the holes to a depth of approximately 1".
On fiberglass hulls, it is best to use progressively larger drill bits to
reduce the chance of chipping or flaking the outer coating.
The third hole should not be drilled until the angle and height of
the transducer is finalized.
Use a silicone sealant to fill the drilled holes, especially if the holes
penetrated the transom wall.
Attach the transducer body to the pivot as shown in the illustration at
right, using the Pivot bolt to couple the transducer ears to the
mounting bracket. The toothed washers must fit on the inside of the
transducer ears, between the pivot and the ears.
Use a #3 Phillips screw diver to hand tighten the transducer
assembly. Do not fully tighten the assembly at this time.
Stepped Hull
C
D
E
A – Mounting Bracket
B – Pivot
C – Star lock washers go between A & G.
D – Nut
E – Cable
¹⁄₄
F – Pivot Bolt
G – Transducer
Transducer Assembly
Drill and install the
third screw only after
final adjustments.
Use silicone
sealant to seal
the drilled holes
-20, #3 Phillips Drive
A
BB
C
F
G
Align the transducer assembly with the drilled holes in the transom.
Mount the transducer assembly to the transom using two wood
screws and washers as shown. Do not fully tighten the mounting
screws at this time.
Washers
&
Screws
Attaching the Bracket
RUNNING POSITION ADJUSTMENT
Transducer bottom
Cut and use for Fiberglass Hulls
Cut and use for Alum
¹⁄₂"
Aluminum
Fiberglass
Transducer Running Angle
inum
Transducer
Guide
ulls
H
Hull
Place on bottom of hull
Align with transom.
3
The running position of the transducer is now completely adjustable. Subsequent adjustment
may be necessary to tweak the installation after high speed testing. The mounting bracket
allows height and tilt adjustment, the pivot screws allow angle adjustment.
Use the supplied pivot angle template (2) for initial setting of the pivot angle to 3° to 5°. This
template also sets the distance below the hull dependent on hull type. Additionally the template
positions the bottom of the transducer
you cut the template for your type of hull. Hand tighten the assembly to a firm tightness for initial
testing.
After the Humminbird unit is installed and the transducer installation is tested, it may be
necessary to adjust the depth and/or running angle of the transducer. First adjust the depth
below the hull in increments of
operation is continuing to show gaps in the readout, adjust the running angle by moving the
trailing end of the transducer down in increments of
Hand tighten the mounting screws, do not apply excess torque. The third and final mounting
screw should not be installed until all adjustments have been finalized.
³⁄₁₆
" for fiberglass and
¹⁄₈
". If the top of the bracket slots are reached and high speed
¹⁄₈
".
³⁄₈
" for aluminum hulls. Ensure that
ROUTING THE
CABLE
5¹⁄₂"
Routing the Cable
1¹⁄₂"
After the final testing and adjustments have been completed use a
⁵⁄₃₂
" (4mm) bit, drill a third
hole at the top of the bracket and hand install the third mounting screw. Hand tighten all screws.
The pivot bolt may need to be tightened again after the plastic has conformed to the pressures
used for initial setup.
The transducer cable has a low profile connector that must be routed to the point where the
depthsounder is mounted. Every boat is different and there may be several ways to route the cable.
If you choose to pass the cable through the transom of the boat, a
⁵⁄₈
" hole must be drilled
above the water line. Fill this hole with silicone sealant, and use an escutcheon plate to dress the
entry hole. This will require two #8 x
" screws and drilled holes of
⁹⁄₆₄
" diameter.
⁵⁄₈
Remember that the transducer may give way in the pivot angle should an object be struck and
sufficient cable slack should be allowed for this movement. It is best to route the cable to the
High Speed Transducer
PLACE EITHER ARROW
ON DEADRISE
ANGLE
TOP
Remove and use for
Transducer Installation
Use ⁵⁄₃₂" drill bit & drill
two holes for hull type
Drill ●
Drill ●
Drill ■
Drill ■
4
side of the transducer so the cable will not be damaged by the
rotating transducer.
Cable clamps are provided to secure the cable to the transom,
and use the same type of screws as the escutcheon plate.
Inside the boat, there is often a channel or conduit which is
used for other wiring, which can be used to route the transducer
cable forward. Avoid routing the cable in areas where it may
be damaged or interfere with normal boating operations.
The transducer cable should not be cut or shortened, and
care should be used not to damage the cable insulation. If
excess cable needs to be gathered at one location, dress the
routing of cable from both directions so that a single loop is left
extending from the storage location. Doubling the cable up from
this point, form the cable into a coil. Storing excess cable with
this method can reduce electronic interference.
Also, be sure to route the cable as far as practical from the
antenna cable of VHF radios to reduce the possibility of
interference.
This accessory works with a number of Humminbird
depthsounder products. Some products may require
disassembly of the depthsounder mounting bracket in order to
connect the cable. Refer to the operations manual for your
depthsounder.
If you find that the cable is too short for your application,
extension cables are available at a reasonable cost which can
extend the transducer cable up to 50'. Call Humminbird
Customer Support for more information.
Confirm the pivot angle has not changed.
MAINTENANCE
If your boat remains in the water for long periods of time,
algae and other marine growth can reduce the effectiveness of
the transducer. Periodically clean the face of the transducer
with liquid detergent.
If your boat remains out of the water for a long period of
time, it may take some time to wet the transducer when
returned to the water. Small air bubbles can cling to the
surface of the transducer and interfere with proper operation.
These bubbles will dissipate with time, or you may wipe the
face of the transducer with your fingers after the transducer is
in the water.
Storing excess Cable
For use with bracket PN 404329-1
Fiberglass Fiberglass
Level
TOP
Use 5/32" drill bit
DrillDrill
PLACE EITHER CORNER
ON DEADRISE ANGLE
TOP
Use 5/32" drill bit
Drill Drill
DO NOT LET DEADRISE
INTERSECT THIS LINE
PLACE EITHER CORNER
ON DEADRISE ANGLE
AluminumAluminum
15", 40cm
from prop(s).
Fiberglass
Aluminum
Transducer
Guide
CUSTOMER RESOURCE CENTER
If you have any questions, call our Humminbird Customer
Resource Center Hotline:
1-334-687-0503
Cut and use for Fiberglass Hulls
Transducer bottom
Cut and use for Aluminum Hulls
¹⁄₂"
Throughout the U.S. and Canada, hours are MondayFriday, 8:15 a.m. to 5:00 p.m. Central time.
Or visit our web site: www.humminbird.com for
Product
Support and troubleshooting guides.
If after reading “Troubleshooting” you determine your
unit needs factory service, please attach a description of
the problem and send it with the unit to the address
below.
If you are including a check, please attach it to the unit.
Align with transom.
Place on bottom of hull
Hull
Humminbird
Service Department
108 Maple Lane
Eufaula, AL 36027
Further information on Humminbird products can be
found at:
www.humminbird.com
pn530505-2 r11107E
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