Humm, knew we would get at least one witty response.
Thank you all for the info. Figured it sounded like constricted flow. Gonna get
the elbow and nipple replacements first. Then pull it apartand replace them.
Agree no sense putting back the old ones.thanks again,JimGalaxy 34'
Date: Mon, 10 Sep 2012 20:11:19 -0700
From: capt...@yahoo.com
To: cnc-list@cnc-list.com
Subject: Re: Stus-List Yanmar question
Jake wrote:
"I always check the nipples first!" <snip>
I'm a leg man myself.
Dennis C.
From: Jake Brodersen <captain_j...@cox.net>
To: cnc-list@cnc-list.com
Sent: Monday, September 10, 2012 7:06 PM
Subject: Re: Stus-List Yanmar question
Jim, There are ample opportunities for problems in the raw water cooling
system. The easiest to check is the nipple on the exhaust elbow. If it was
installed with some never seize lube, it should be easy to remove and check.
They do tend to gum up with salt deposits from time to time. I
always check the nipples first! The next most likely suspect would be a
clogged exhaust elbow. I have removed mine in the past and cleaned it out with
a coat hanger. No pretty, but it may buy you a year or two. Replacement is
the best course of action, especially since you have it off already. I removed
my heat exchanger and had it hot
tanked a number of years ago. It wasn’t in bad shape, but now I feel better
about it. Good raw water flow will keep your exhaust quiet. That’s how I can
tell my system needs attention, by the change in sound. I switched from the SS
stock muffler to a smaller fiberglass muffler a couple years ago. It sounds
great. Not loud, but nice an mellow. Jake Jake BrodersenC&C 35
Mk-III"Midnight MistressHampton VA
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