Raymarine E66008 Owner's Handbook Manual page 15

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Chapter 1: Overview
Allow a clearance of
at least 254 mm (10 in)
Figure 1-2:
• On a boat with a fiberglass hull, the leading edge of the transducer
• If the boat will be trailered, be sure the transducer will not hit any
Average transom angle -
no wedge necessary
For fibreglass hull – 1/8 to 1/4 in (3.2 to 6 mm)
For aluminium hull – 1/4 to 3/8 in (6 to 9 mm)
No!
The bow of the transducer
is above the bottom of the
transom, creating cavitation.
Figure 1-3:
Transom Mount Transducer - Quick-release Bracket
should extend 1/8" (3.2 mm) to 1/4" (6 mm) below the bottom
edge of the hull as shown in Figure 1-3 . On an aluminum hull, the
transducer should extend a bit more – 1/4" (6 mm) to 3/8" (9 mm)
rollers, bunks or fittings on the trailer.
Vertical transom -
place wedge this way
No!
Rivets on the hull are
creating bubbles. Lower
the transducer a bit.
Transom Mount Transducer - Vertical Position
Transducer in
released position
D4872-2
Sloping transom -
place wedge this way
No!
D4873-2
The rear of the transducer
is too high, creating
cavitation.
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