Here are pictures of my m4-30 mixing Elbow I replaced two years ago : https://www.icloud.com/photostream/#A6JtdOXmz3EBk
Yves Gagnon Foxy, c&c 33-1 76 Envoyé de mon iPhone 4 > Le 2014-11-15 à 18:27, Neil Gallagher via CnC-List <cnc-list@cnc-list.com> a > écrit : > > Dave, > > I put a Universal M30-B in my club launch two years ago, and it had a mixing > "elbow" supplied loose, I had to add a 2" long pipe between the manifold and > the elbow. If you go to page 13 of the manual in the link below, you'll see > it. Not sure if the M4-30 has the same, as the manual on the westerbeke site > for that engine doesn't show one, but the engine I took out of our launch was > a 1990's vintage Universal and it had the same thing. > > Neil Gallagher > Weatherly, 35-1 > Glen Cove, NY > > http://www.westerbeke.com/OnlineManuals/201009_m3_20b_parts.pdf > > >> On 11/15/2014 12:49 PM, Joe Della Barba via CnC-List wrote: >> Unless your boat has a dry exhaust – not likely – you have a way to mix >> exhaust and water somewhere. At least back in the Atomic 4 days Universal >> did not make mixing elbows, so the installer was left to buy or fabricate >> one. Mine is made of black iron pipe from Home Depot and I try and remember >> to replace it every 5 years or so. Follow the coolant hoses and you will >> find one going into the exhaust somehow. Whatever that hose connects to is >> the mixing device. Having a diesel you will not have a jacketed exhaust like >> some 1960s era C&Cs did. Those only work on gasoline engines because diesel >> exhaust corrodes through the copper pipe those were made of. >> >> Joe Della Barba >> j...@dellabarba.com >> COQUINA C&C 35 MK I >> From: CnC-List [mailto:cnc-list-boun...@cnc-list.com] On Behalf Of David >> Knecht via CnC-List >> Sent: Saturday, November 15, 2014 9:27 AM >> To: Robert Abbott; CnC CnC discussion list >> Subject: Re: Stus-List Exhaust mixing elbow >> >> This discussion made me think about the situation on my boat with >> a Universal M4-30. I looked at the engine diagram and parts list online and >> found no mention of a mixing elbow. Is this a Yanmar specific issue? If >> so, how does the Universal handle exhaust? Dave >> >> On Nov 15, 2014, at 9:11 AM, Robert Abbott via CnC-List >> <cnc-list@cnc-list.com> wrote: >> >> >> On 2014/11/13 8:23 AM, John and Maryann Read via CnC-List wrote: >> >> John >> >> Your mixing elbow is original ie 32 years old......I am assuming it has >> spent its life in a 'salt water environment'. If so, there has to be some >> corrosion taking place on the inside. >> >> A mixing elbow is not an expensive item and if you have taken yours off and >> put it back on, then do yourself a favor and replace it before it fails at >> the most inopportune time. >> >> In 2012, a fellow club member with a 1984 C&C 32 had his mixing elbow >> 'split' at the top of elbow spewing salt water and gases into his engine >> compartment while motoring up the coast. He made it back to the club O.K. >> but he then lost several weeks in the sailing season getting someone to >> replace it for him. >> >> I took his old mixing elbow and cut it open to examine it......while the >> outside wall looked fine, the inside was in pretty rough shape. And the >> problem wasn't carbon buildup but salt water corrosion. The following >> season, I replaced mine......I deem it preventable maintenance and what will >> eventually fail. >> >> Rob Abbott >> AZURA >> C&C 32 - 84 >> Halifax, N.S. >> >> >> >> >> >> Our 34 has the original Yanmar 3GM which is working like a charm. How does >> one tell if the mixing elbow is due for replacement??. Ours still has the >> original mixing elbow which we removed and inspected about 12 years ago. It >> was fine. Lots of water comes out the exhaust and engine performance is >> fine. Engine is used mostly for motoring in and out of the mooring field >> with periodic runs of an hour or so to get to the starting line. I was >> thinking of removing the hose and use a mirror and spot light to look >> inside?? >> >> >> John and Maryann >> Legacy III >> 1982 C&C 34 >> Noank, CT >> >> >> --- >> This email is free from viruses and malware because avast! Antivirus >> protection is active. >> http://www.avast.com >> >> >> _______________________________________________ >> This List is provided by the C&C Photo Album >> >> Email address: >> CnC-List@cnc-list.com >> To change your list preferences, including unsubscribing -- go bottom of >> page at: >> http://cnc-list.com/mailman/listinfo/cnc-list_cnc-list.com >> >> >> >> >> >> >> _______________________________________________ >> This List is provided by the C&C Photo Album >> >> Email address: >> CnC-List@cnc-list.com >> To change your list preferences, including unsubscribing -- go bottom of >> page at: >> http://cnc-list.com/mailman/listinfo/cnc-list_cnc-list.com >> >> >> Aries >> 1990 C&C 34+ >> New London, CT >> >> <mime-attachment.png> >> >> >> >> _______________________________________________ >> This List is provided by the C&C Photo Album >> >> Email address: >> CnC-List@cnc-list.com >> To change your list preferences, including unsubscribing -- go bottom of >> page at: >> http://cnc-list.com/mailman/listinfo/cnc-list_cnc-list.com >> > > _______________________________________________ > This List is provided by the C&C Photo Album > > Email address: > CnC-List@cnc-list.com > To change your list preferences, including unsubscribing -- go bottom of page > at: > http://cnc-list.com/mailman/listinfo/cnc-list_cnc-list.com >
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