Thread: Impeller change
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Old 03-24-2017, 02:22 PM   #55
River Cruiser
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City: UMR MM283
Country: US
Vessel Name: Northern Lights II
Vessel Model: Bayliner 3870
Join Date: Jan 2013
Posts: 1,356
The raw water pump on my Hino's has to be removed to get the impeller out of the pump housing. A engine mount sets behind the pump and there's not enough clearance between the two to remove the impeller. I bought a spare pump a few years ago to simplify changing, this allows for one time crawling in to replace. I run impellers about 500 hours to change out, 3 to 4 years. The impeller on my Westerbeke gen has to be changed each spring before startup. I think the difference in time between the two is the diameter of each impeller, the Hino impeller is the size of a coffee mug and the Westerbeke is about the size of a quarter.
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