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Old 09-13-2015, 04:18 PM   #61
Art
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City: SF Bay Area
Vessel Model: Tollycraft 34' Tri Cabin
Join Date: Feb 2011
Posts: 12,569
Quote:
Originally Posted by O C Diver View Post
Simple answer is that the external screen prevents most of the junk, but whatever goes through goes until it hangs up somewhere else. The internal strainer basket often holds some solids that fell out do to gravity. Have both on my charter boat, and often find some hard bits in the bottom of the strainer at the end of the season. While they likely go right on through, I'm happy that there not getting between the pump impeller and the housing. While the internal one isn't absolutely necessary, I certainly wouldn't remove it if you were adding the pin hole style external one. Now have both on my trawler.

Ted
Ted - Per bold sentences in your above, again quoted below... how/what falls out do to gravity, and from what... engine rust??

"The internal strainer basket often holds some solids that fell out do to gravity."

"... often find some hard bits in the bottom of the strainer at the end of the season"
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