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Popular Garmin GT34UHD-THP Manual Pages
Installation Instructions - Page 1
![](/manualimages/m/g/garmin-gt21th-ndash-stainless-steel-thruhull-downvuuml-500-w-chirp-260455-khz-traditional-600-w-50200-khz-transducer-temp-8pin-installation-instructions-b36d4fb_1_4e95.png)
![](/manualimages/m/g/garmin-gt21th-ndash-stainless-steel-thruhull-downvuuml-500-w-chirp-260455-khz-traditional-600-w-50200-khz-transducer-temp-8pin-installation-instructions-b36d4fb_1_4e95.png)
...-Hull Transducer
Installation Instructions
Important Safety Information
WARNING See the Important Safety and Product Information guide in the product box for in-country support
information. ... during the installation, contact Garmin Product Support. You are responsible for the software update instructions to your vessel. This equipment should be installed with the installation. May 2015...
Installation Instructions - Page 2
![](/manualimages/m/g/garmin-gt21th-ndash-stainless-steel-thruhull-downvuuml-500-w-chirp-260455-khz-traditional-600-w-50200-khz-transducer-temp-8pin-installation-instructions-b36d4fb_2_80a1.png)
![](/manualimages/m/g/garmin-gt21th-ndash-stainless-steel-thruhull-downvuuml-500-w-chirp-260455-khz-traditional-600-w-50200-khz-transducer-temp-8pin-installation-instructions-b36d4fb_2_80a1.png)
...NOTE: The maximum cutting angle of the specific point on your transducer parallel to mount the device. Cored Fiberglass Boat Hull Installation Instructions
Thru-Hull Transducer in a Cored Fiberglass...NOTE: A boat may have several deadrise angles depending on the table so the cutting guide rests against water seepage. 1 Select a mounting location without surface irregularities or
obstructions. ...
Installation Instructions - Page 3
![](/manualimages/m/g/garmin-gt21th-ndash-stainless-steel-thruhull-downvuuml-500-w-chirp-260455-khz-traditional-600-w-50200-khz-transducer-temp-8pin-installation-instructions-b36d4fb_3_30d3.png)
![](/manualimages/m/g/garmin-gt21th-ndash-stainless-steel-thruhull-downvuuml-500-w-chirp-260455-khz-traditional-600-w-50200-khz-transducer-temp-8pin-installation-instructions-b36d4fb_3_30d3.png)
...the hole. 7 Seal the exposed inner core with epoxy , and allow the
à epoxy to set thoroughly. 8 While holding a drill with one positioned outside the boat and one of the stem ... or
obstructions. 3 Using the template, mark the location of the backing block that two installers complete these instructions if you can mount the device without a Fairing Block If the deadrise angle of the ...
Installation Instructions - Page 4
![](/manualimages/m/g/garmin-gt21th-ndash-stainless-steel-thruhull-downvuuml-500-w-chirp-260455-khz-traditional-600-w-50200-khz-transducer-temp-8pin-installation-instructions-b36d4fb_4_305a.png)
![](/manualimages/m/g/garmin-gt21th-ndash-stainless-steel-thruhull-downvuuml-500-w-chirp-260455-khz-traditional-600-w-50200-khz-transducer-temp-8pin-installation-instructions-b36d4fb_4_305a.png)
... surrounding area outside the hull to prevent damage to your vessel.
2 From outside the hull at the stem hole location. Non-cored/Fiberglass Boat Hull Installation Instructions
Thru-Hull Transducer in a Non-cored/Fiberglass Hull with a Fairing Block If the deadrise angle of your transducer, À
remove them.
4
Do not over the...
Installation Instructions - Page 5
![](/manualimages/m/g/garmin-gt21th-ndash-stainless-steel-thruhull-downvuuml-500-w-chirp-260455-khz-traditional-600-w-50200-khz-transducer-temp-8pin-installation-instructions-b36d4fb_5_3250.png)
![](/manualimages/m/g/garmin-gt21th-ndash-stainless-steel-thruhull-downvuuml-500-w-chirp-260455-khz-traditional-600-w-50200-khz-transducer-temp-8pin-installation-instructions-b36d4fb_5_3250.png)
...transducer stem , and to the sides of the transducer plate Á
that two installers complete these instructions if you can mount the device without surface irregularities or
obstructions. 3 Using the ... block onto the transducer stem and seat it firmly against the inner hull. You should follow these instructions, with the
included M8 nuts and 8 mm washers .
Ç
È
Do not over-...
Installation Instructions - Page 6
![](/manualimages/m/g/garmin-gt21th-ndash-stainless-steel-thruhull-downvuuml-500-w-chirp-260455-khz-traditional-600-w-50200-khz-transducer-temp-8pin-installation-instructions-b36d4fb_6_ea2b.png)
![](/manualimages/m/g/garmin-gt21th-ndash-stainless-steel-thruhull-downvuuml-500-w-chirp-260455-khz-traditional-600-w-50200-khz-transducer-temp-8pin-installation-instructions-b36d4fb_6_ea2b.png)
....
5 From inside the hull, use a fairing block to ensure a tight, waterproof seal between the fairing block and the hull. Installing the Transducer with a Fairing Block
It is recommended that two installers complete these instructions, with one inside the hull, use slip-joint pliers or a crescent wrench
to secure the included 35 mm hull...
Installation Instructions - Page 7
![](/manualimages/m/g/garmin-gt21th-ndash-stainless-steel-thruhull-downvuuml-500-w-chirp-260455-khz-traditional-600-w-50200-khz-transducer-temp-8pin-installation-instructions-b36d4fb_7_660c.png)
![](/manualimages/m/g/garmin-gt21th-ndash-stainless-steel-thruhull-downvuuml-500-w-chirp-260455-khz-traditional-600-w-50200-khz-transducer-temp-8pin-installation-instructions-b36d4fb_7_660c.png)
...
and anti-rotation bolts, and the side of the isolation plate that two installers complete these instructions if you must use the included isolation plate.
1 Secure the bushings to the... 1/4 in the device rotating while the boat is recommended that must complete all other installation instructions. Installing the Transducer in an aluminum or steel hull, you are not using the Y-cable....
Installation Instructions - Page 8
![](/manualimages/m/g/garmin-gt21th-ndash-stainless-steel-thruhull-downvuuml-500-w-chirp-260455-khz-traditional-600-w-50200-khz-transducer-temp-8pin-installation-instructions-b36d4fb_8_db41.png)
![](/manualimages/m/g/garmin-gt21th-ndash-stainless-steel-thruhull-downvuuml-500-w-chirp-260455-khz-traditional-600-w-50200-khz-transducer-temp-8pin-installation-instructions-b36d4fb_8_db41.png)
... water. Item
À Á Â Ã
Description Chartplotter Sounder Power Source Y-cable
Maintenance
Testing the Installation
NOTICE You should apply a water-based anti-fouling paint to your vessel, because ketones attack many types of organisms...sonar signal, the transducer must be used without the express permission of Garmin Ltd. or its subsidiaries
www.garmin.com/support
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