Ray -- how much was the new heat exchanger? And do you, by chance, have any photos? I have been growing concerned about my heat exchanger since we've never serviced it in the 8 or 9 years we've owned our '88.
David On Fri, May 21, 2010 at 9:12 PM, <[email protected]> wrote: > > > John, > > I just recently pulled my heat exchanger to replace the zinc, hoses and > clamps. When I removed the outside plate I found fins from an old impeller > that were there who knows how long and who knows how old. On the exchanger > was a stamp with the manufacturer's name..."Sen-Dure", Bay Shore, NY. After > a little internet searching I found Sen-Dure was still in business and still > making exchangers for many different applications including and above all > marine engines. > > Long story short, a gentleman by the name of "Dave" was able to tell me the > exact date that my heat exchanger was made. They had mine (and probably > yours too) in stock for almost half the price that Marine Diesel/Torresen > was asking. Given the condition of my 25 yr. old exchanger and the cost of > a new one, replacing it was a no brainer. > > I would strongly recommend Sen-Dure.com if you're considering a > replacement, which it sounds like you are. They were extremely helpful, > knowledgeable and courteous...and oh yeah, the price was right too. > > Good luck. > > Ray Maldonado > C27 TR 6036 > Setauket, NY > > > > > -----Original Message----- > From: The Emmerichs <[email protected]> > To: [email protected] > Sent: Fri, May 21, 2010 7:07 pm > Subject: [IC27A] Heat Exchanger > > > At the end of last season, I lost 4 or 5 vanes from my sea water pump > impellor. I discovered this when I tried to run antifreeze thru the pump, > heat exchanger and associated hoses and nothing came out the exhaust. I > opened the water pump and found vanes were missing. One was blocking the > discharge and when I removed it there was a more or less normal flow out the > stern. > > I have received different advice. A diesel engine mechanic told me you > have to find the vanes. Others have said if there is good flow out the > exhaust, don’t worry about it. I’ve decided that if I was going to 18 mile > island or Madison, IN, I would be worrying about it. I don’t want to be 12 > or 35 miles from home port and have an engine that is overheating. > > I pulled the heat exchanger this afternoon, took about 2 hours. The > biggest difficulty was getting the hoses loose which have been on the boat > for 25 years. I have not opened it yet so I don’t know what I will find > inside. Anyway, I’m committed, the 25 year old hoses probably needed to be > changed anyway. > > I think I remember some traffic on the list several or more years ago that > the heat exchanger size was increased in later boats. Mine is a ’85, the > heat exchanger is 2 1/16 inches in diameter. I have checked CD and they do > not have heat exchangers on their web site. > > Any thoughts on this? Does anyone know of a larger heat exchanger? My > engine has been running at 175 degrees which is within the range in the > engine manual although near the upper end. > > John Emmerich > C27 TR 5874 > Louisville, KY > > > > >
