On May 19, 2015, at 6:15 AM, Danny Haughey <[email protected]> wrote:
> Hi David, > > Two things stood out for me in you message. > > 1. Did you put the same end caps on the same side they came off? Good thought. I have no idea as they look identical. I guess I could swap them, but there is only one part number so they should be the same. > > 2. O-rings don't typically rest against a gasket. They are usually between > two metal pieces. The only way that would work is if the O ring were outside the cap between the bolt head and the end cap. That is not what is in the picture on the Pbase site and not what I remember, but I could try it. > > Hope this helps in some way. Also, now that I always have a digital camera > handy, I take lots of pictures of anything I take apart during the dis > assembly for reference during assembly.. I try to do this, but I often forget and this seemed so simple (Ha Ha) that I didn’t. Someday I will learn that nothing is simple and just take pictures of every project. Thanks- Dave > > Danny > > > From my Android phone > > > -------- Original message -------- > From: David Knecht via CnC-List <[email protected]> > Date: 05/18/2015 10:05 PM (GMT-05:00) > To: CnC CnC discussion list <[email protected]> > Cc: David Knecht <[email protected]> > Subject: Stus-List Heat exchanger problem > > > I hope someone can help with this problem. I removed my heat exchanger from > my Universal M4-30 last winter and had it cleaned out and a radiator shop and > then I repainted it. As far as I can tell, the guy who did it did not > pressure test it because it came back disassembled. I did not think much of > it at the time. When I reassembled the end plates, it did not feel like the > end caps were secured against the housing, but I assumed the gasket would do > its job since I tightened the bolts as much as possible. Aries splashed > today and when I started up the engine, water was spraying out of the end cap > on one side an dripping from the other. The bolt is as tight as I can get > it, but it still seems to not be putting enough pressure on the caps to seal. > I was a bit confused about the assembly process. The order I thought was > correct was the plate with the O ring on the bolt and the gasket over that. > The plate has a slight recess that I thought was for the O ring, but it seems > like the O ring might be preventing the plate from making good contact with > the gasket. The way I assembled it looks like the picture on the Pbase site > which is the only photo I can find > (http://www.pbase.com/mainecruising/heat_exchanger). Any words of wisdom out > there? Thanks- Dave > > > Aries > 1990 C&C 34+ > New London, CT > > > Aries 1990 C&C 34+ New London, CT
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