Raymarine DownVision CPT-70, Installation Instructions Manual

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D12961-2
6.3 Mounting the transducer in a hull
without a dead rise
When mounting the transducer in a hull with a flat
bottom (no dead rise) follow the steps below.
Important: Do NOT remove the label attached
to the transducer cable as it contains important
information.
D12962-2
4
1
2
5
3
1 Hull
2 Nut
3 Marine grade adhesive sealant — suitable for
submerged applications (not supplied)
4 Dead rise block — The dead rise block or suitable
spacer should be used between the nut and the
hull
5
transducer
1. Ensure an appropriate location for the transducer
has been selected following the guidelines
provide.
2. Drill a pilot hole in the center of the selected
location for the threaded tube.
3. Drill the hole out using a suitable size hole cutter.
4. Using sandpaper and / or a file ensure there are
no rough edges or burrs.
5. Ensure all surfaces are clean and free from
debris.
6. Apply a thick bead of marine grade adhesive
sealant all around the top face of the transducer,
where it will meet the hull.
7. Apply a thick bead of marine grade adhesive
sealant up each side of the threaded tube,
ensuring that the sealant will protrude
approximately 6 mm above the final tightened
nut.
8. Apply a thick bead of marine grade adhesive
sealant all around the edges of the hole in the
hull.
9. Guide the transducer cable and threaded tube
up through the vessel’s hull and ensure the
transducer is parallel with the centerline.
10. Apply a thick bead of marine grade adhesive
sealant all around the top and bottom faces of
the dead rise block.
11. With a person inside the vessel, place the dead
rise block over the threaded tube.
Mounting — CPT-70 / CPT-110
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