Sea water pump, seal, change

Sea water pump removed

Special tools: 885816, 9995919

1. Unscrew the cover. Remove the O-ring and carefully prise the rubber impeller out, please refer to ”Sea water pump, impeller, change”.

IMPORTANT! Make sure that the inner edge of the housing is not damaged.

2. Fix the pump to a vice or similar. Put the hook on tool no. 9995919 under the seal (1) and pull it away.

Remove the seal located closest to the bearing in the housing.

3. Check the sea water pump bearing and the impeller housing.

IMPORTANT! If any damage is discovered, which could cause leakage or rotation problems, the sea water pump must be changed.

4. Installation

Grease the new seal (1) with white Vaseline, part. no. 1161150 and put it on the shaft.

Press the seal into place with mandrel no. 885816.

5. Grease the new seal (1) with white Vaseline, part. no. 1161150 and install it on sleeve 885816 with the spring (2) visible from outside. Put the sleeve with the seal on the shaft.

Put mandrel 885816 over the seal and tap it into place. NOTE! The shape of the mandrel ensures that the seal ends up in the correct position.

7. Grease (included in the renovation kit) the new impeller and O-ring.

Thread the impeller onto the pump shaft. Make sure that the impeller vanes are aligned to suit the direction of rotation. Install the lid together with a new O-ring. Torque the screws to the specified values.

IMPORTANT! Check that the sealing surfaces are clean.