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Old 01-07-2012, 06:59 AM   #21
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City: Edmonds, WA
Country: USA
Vessel Name: WESTERLY
Vessel Model: 1974 Pacific Trawler 37
Join Date: Oct 2007
Posts: 399
heat exchanger

Max Simmons wrote:
Hey Jay, what method do you use to run fresh water through the raw water side of the cooling system?
Installed a valve with a hose connection at the base of the SW strainer.* At the end of the trip, connect the dock hose (leave the SW thru-hull valve OPEN), and run the engine for a couple of minutes.

Extends life of ME zinc and other SW components, and the need to disassemble/clean SW cooling system.

-- Edited by Jay N on Saturday 7th of January 2012 09:01:43 AM

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Old 01-09-2012, 09:24 AM   #22
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RE: heat exchanger

I take mine in for rodding and flushing every few years, other than that just change zincs and check hoses. This is on a Perkins 4-236.

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