Volvo MD2020 Bedienerhandbuch PDF herunterladen (Seite 31)

Seawater system. Draining

To prevent freezing damage the seawater system

must be drained in cold weather where there is a risk

of frost.

WARNING! Risk for water penetration. Close the

sea cock if the boat is in the water. If the boat is

laid up then the sea cock can be open.

1. Drain seawater filter (accessory). Remove the

cover and sealing plate on the sea water filter.

Disconnect hoses and drain them.

2. Remove the cover from the seawater pump and

let the water run out.

3. Engine with drive: Disconnect seawater pump

hose by the drive and bend down so that the

water runs out.

4. Engine with reverse gear Disconnect seawater

pump hose (A) by the drive and bend down so

that the water runs out. Disconnect hose (B) by the

sea cock and empty it of water.

5. Connect and tighten all hoses. Reinstall the cover

on the seawater pump* and the cover and seal on

the seawater filter.

* When laying up the boat, remove the impeller from the

seawater pump and store it in a cool place in a plastic

bag. Reinstall the impeller when bringing the boat out of

storage.

Impeller. Checking/Replacing

WARNING! Risk for water penetration. Close the

sea cock.

Close the sea cock. Remove cover (1) on the seawa-

ter pump. Remove impeller (2). If there are cracks or

other defects the impeller must be replaced. Lubri-

cate the pump housing and the inside of the cover

with a little waterproof grease for rubber. Reinstall

the impeller using a clockwise rotating movement. In-

stall the cover together with a new gasket. Open the

sea cock.

IMPORTANT! Always carry a spare impeller on

board.

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Volvo MD2020 Bedienerhandbuch Seite 31