Raymarine L470 No!No!No, Installation, Correct Mounting Position, Mounting the Transducer

Average transom angle–	Vertical transom –	Sloping transom–
no wedge necessary	place wedge this way	place wedge this way

2 to 5 2 to 5 2 to 5

For fiberglass hull – 1/8" to 1/4" (3.2 to 6 mm)

For aluminum hull – 1/4" to 3/8" (6 to 9 mm)

No!No!No!

The bow of the transducer	Rivets on the hull are
is above the bottom of the	creating bubbles.
transom, creating	Lower the transducer
cavitation.	a bit.

The rear of the transducer is too high, creating cavitation.

Fig. 2-5

Correct Mounting

Position

Insert screws 1 and 3 1/4" from the bottom of

1 2 3

slots, and screw 2 1/4" from the top of the slot to allow room for

adjustment.Correct alignment

If screws are inserted this way, it won’t be possible to make the height adjustment.

Incorrect

alignment

8

Fig. 2-6

Mounting

the Transducer

Installation