Raymarine REALVISION 3D Installation Instructions Manual page 25

iii. all around and inside the transducer stem and anti-rotation holes on the exterior of the hull.
10. Guide the transducer cable through the stem hole in the hull.
11. Guide the transducer stem and anti-rotation bolt up through the holes in the vessel's hull and
support from beneath.
12. From inside the vessel, apply a continuous, thick bead of marine-grade sealant all around the
base of the protruding transducer stem and anti-rotation bolt threads.
13. Guide the rubber washer down the transducer cable, and over the threaded section of the
transducer stem, ensuring that the rubber washer sits flush on the hull.
14. If necessary, apply additional marine-grade sealant to the transducer stem, above the rubber
washer.
15. With the top face pointing upwards, guide the large isolator bush down the transducer cable and
over the transducer stem, ensuring it sits flush on the rubber washer.
Large isolator bush top face
16. If necessary, apply additional marine-grade sealant to the transducer stem, above the large
isolator bush.
17. Ensuring the cable protector is fitted to the hull nut, guide the nut down the transducer cable,
resting the nut on top of the transducer stem.
Cable protector fitting and removal
• A — Fitting
• B — Removal
18. Remove the cable protector by pulling the 2 tabs away from the back of the hull nut.
19. Apply a thick bead of marine grade sealant to the bottom face of the hull nut.
20. Screw the hull nut onto the transducer stem and fully tighten, using a suitable sized wrench
(spanner).
Ensure that the hull nut is adequately tightened. You should see the sealant protruding from
the edges of all applied surfaces.
21. Place the small internal isolator sleeve over the anti-rotation bolt, ensuring it sits flush on the
interior of the hull.
Installation 25