[C320-list] cooling water system

[Bruce Stumpp]

Jim, 

Does the engine still overheat when you run it or did it overheat just that
one time?  If just that one time, it is possible there was something stuck
over the through hull intake (cardboard, or ?)and when you got back to the
dock and shut off the engine the blockage fell away. 

Bruce, #647  


Message: 1
Date: Sat, 20 Dec 2008 16:01:33 -0500
From: "james_delong" <james_delong at bellsouth.net>
Subject: [C320-list] cooling water system
To: "List Catalina" <c320-list at catalina320.org>
Message-ID: <000801c962e6$24ead660$3400a8c0 at ownercn1pp2j7a>
Content-Type: text/plain;	charset="iso-8859-1"

Next step please...

My Yanmar overheated the other day and we had to limp in to the dock.

Checked the intake seacock, cleaned the strainer, and hoses to the pump. All
ok. Pulled the pump and checked the impeller. Still in one piece.

I guess the heat exchanger is the next step. What is the process to inspect
it and what should I look for?

This problem appeared abruptly. Was OK the previous time out, but this last
time, limited water flow and when I started it today...nothing!

Thanks for all advise!!

Jim #453