Raw Water Pump Impeller Replacement How To Guide

It may seem like a small unnecessary fix but it wi.

Raw water pump impeller replacement how to guide.

Using a 5 8 box wrench and a 5 16 socket loosen the 5 8 locking nut so that the belt. Raw water pump impeller replacement how to guide 1. Replacement is relatively simple. If you have another brand of pump and you know their impeller part number go to page 105 upgrade to a jabsco impeller and check for a jabsco replacement impeller part number.

If you have the impeller in front of you. This prevents the impeller from sticking to the pump housing. Next step is to drain the water out of the engine. Then remove the pump s end cover screws and take off the cover and gasket.

For raw water pump applications first close the water intake thru hull valve. Identify the impeller profile code letter by placing the impeller on the profiles on pages 98 100. We recommend replacing your raw water impeller if it s never been done or it s been more than two years. If you r on a trailer or up on blocks now would be a good time to.

Loosen the serpentine belt. Then replace the cover to the pump housing but leave the cover screwed in place loosely.