Mine looks like Yves's new one. I guess I will not worry about it for now since it sounds from what Rick said, it seems like there don’t have the same tendency for problems as the Yanmar. Thanks- Dave
On Nov 15, 2014, at 8:06 PM, Yves Gagnon via CnC-List <cnc-list@cnc-list.com> wrote: > 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 >> > _______________________________________________ > 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
_______________________________________________ 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
