boat water pump impeller
The water pump impeller of any outboard motor needs to be serviced on a regular basis, a task that if overlooked can lead to big trouble. most outboard maintenance schedules call for inspection of the impeller every 100 hours, or once a year.. Ballast pumps, used on boats that tow wakeboarders, have unique requirements, needing to reverse direction and withstand systematic abuse. polyurethane impellers are used in that application. replacing impellers in raw water pumps. replacement is relatively simple. for raw water pump applications, first close the water intake thru hull valve.. Shop, read reviews, or ask questions about impellers at the official west marine online store. since 1968, west marine has grown to over 250 local stores, with knowledgeable associates happy to assist. shop with confidence - get free shipping to home or stores + price match guarantee!. 
boat water pump impeller An impeller is a rotating component of a centrifugal pump which transfers energy from the motor that drives the pump to the fluid being pumped by accelerating the fluid outwards from the center of rotation. the velocity achieved by the impeller transfers into pressure when the outward movement of the fluid is confined by the pump casing.. Use the plastic tool (included in the impeller and water pump kits) to set the seal at the correct height by pressing down on it until the tool bottoms out against the water pump housing. step 14. if you bought the impeller repair kit, replace the o-rings within the tube that connects the water pump housing and the mid-section of the outboard..
