Raymarine ST30 Specifications download pdf (Page 13)

ST30 Speed Operation and Installation Handbook

2.2 Transducer type

The ST30 Speed system is supplied, as standard, with a plastic through

hull transducer. This is suitable for use with Glass Reinforced Plastic

(GRP), Steel and Aluminium hulls at speeds up to 32 knots.

Wooden hull and transom mount installations require a different type of

transducer. Please refer to the following table for details.

Caution: Plastic through hull transducers must not be used on vessel's

with wooden hulls.

Note:

The ST30 speed transducers are fitted with standard paddlewheels

designed for speed up to 32 knots. For vessel's that will exceed this

speed, please refer to section 2.3 which contains instructions on how to

fit the high speed paddlewheel (supplied).

2.3 Paddlewheel replacement

If the high speed paddlewheel (supplied) is to be fitted, or the existing

paddlewheel to be replaced, proceed as follows:

1. Remove the retaining rings (1) and pin (6) from the speed

transducer (3).

2. Withdraw the speed transducer (3) from the through hull fitting (4).

3. If replacing a worn paddlewheel and if the vessel is still in the water,

replace the speed transducer (3) with the plug (5).

4. Remove the pin (6) that retains the paddlewheel (7) in the speed

transducer (3). This is a simple press fit into the transducer housing.

Hull material or

location

Boat speed (max) Transducer type

GRP, Steel,

Aluminium

32kts Standard through

hull

GRP, Steel,

Aluminium

45kts Standard with

high speed

paddle

Wood 45kts Bronze (Z116)

Transom 60kts Transom mount

with bracket

(Z119)

1 2 ... 8 9 10 11 12 13 14 15 16 17 18 ... 32 33

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Raymarine ST30 Specifications Page 13