Raw Water Pump Impeller Replacement

Some experts advise you to remove the impeller from the raw water pump lubricate it with vaseline petroleum jelly and put it back in the pump.

Raw water pump impeller replacement. Replace the sea water pump impeller watch how to video impellers should be replaced every other year. We recommend replacing your raw water impeller if it s never been done or it s been more than two years. Run dry impellers the only impellers in the world guaranteed to run dry for up to 15 minutes. Replacement is relatively simple.

Changing an impeller is not a daunting task and it s one that every boater should consider adding to their arsenal of diy maintenance. If you are replacing the impeller due to overheat issues. This prevents the impeller from sticking to the pump housing. Replacement one piece bi directional sea water pump body kit.

Replaces mercruiser 817275a4 817275a3 and sierra 18 3570. Then replace the cover to the pump housing but leave the cover screwed in place loosely. Then remove the pump s end cover screws and take off the cover and gasket. Tests prove that globe s run dry impellers outperform standard neoprene or rubber impellers and are guaranteed to run dry for up to 15 minutes.

Changing an impeller on many engines usually takes less than 20 minutes even if you are fairly slow. Replacing impellers in raw water pumps. Take the old impeller out by gripping the hub of the impeller using channel lock or needle nosed pliers. Kit contains the replacement sea water pump body impeller plate o ring and attaching hardware.

Replacement standard impeller kits and raw water pump service kits for the factory marinised version of perkins 4 108 fitted with the bronze engine driven jabsco raw water pump our impellers are excellent quality 12 blade neoprene rubber impeller on a splined brass coupling with the following dimensions. The most complicated aspect of the task is physical access to the pump. The impeller is made up of several flexible blades and designed to move a fluid by rotation. Your volvo penta d4 or d6 impeller is a major part of the engines seawater system which cools the secondary internal fresh water system which in turn cools the engine.

The raw water pump. It is important to realize that even with a new impeller just a small amount of scoring to the pump body can effect the output flow of the pump significantly. Time on the water is precious so trust the most reliable components available.