[C38] heat exchanger

[Les]

When we had JACE's bottom done, we discovered that the cooling intake
had just about closed from our little marine friends.  It was cleaned
thoroughly.  Guess I need to add that to my maintenance sked.

Regards,
Les H
On Wed, 2009-02-25 at 12:37 -0800, Joseph Launie wrote:
> Rich,
>     I think the Universal is a marine version of the Kabota tractor
> engine which is in use all around the world. I have heard that for
> that reason, parts are available everywhere. I appreciate the answer.
> Cooling problems can be tricky. When I took delivery of my new
> Catalina 30 years ago, it had an overheating problem immediately. The
> Catalina factory people and Universal rep spent hours looking at it.
> After a memorable screaming match in my  main salon   ( Catalina v
> Universal), they came up with a workaround which  increased the water
> flow somehow inside the engine which worked. I kept asking them to
> haul the boat to check the intake but they refused. When I hauled to
> paint the bottom later, I found the intake was half filled with
> caulking compound from the initial installation. Do not forget to
> check for this. Joe
> 
> Rich West wrote: 
> > Hi Joe,
> >  
> > The M35 Universal I had was a great engine but we were at about 4000
> > hours.  Even at that, there was nothing really wrong with the
> > engine, but we cruise and we just thought that the time was coming
> > when we'd be off someplace remote and in need of a rebuild.
> >  
> > Truthfully, I've had almost as many problems with the new Yanmar in
> > a few years as I'd had in all the time we had the old Universal - I
> > think they're tied at about 1-1.  On the universal, I used to have
> > overheating problems when I got into warm water.  We never did
> > totally solve that except to back down on the RPM when the batteries
> > needed a lot of charging as the load of the high-output alternator
> > along with full cruising speed and warm water would always cause
> > overheating.  On the Yanmar, I've had a clogged water inlet on the
> > exhaust riser.  It turns out that I'm not using the engine enough,
> > water is sitting in the riser and rusting and the rust is clogging
> > the inlet.  I replaced the riser.  It seems like it might be an
> > every two year thing. 
> >  
> > There's a long-winded answer to a simple question.
> >  
> > Rich, Legacy, #360, Los Angeles
> >  
> > 
> > 
> > ____________________________________________________________________
> > From: listserve-bounces at catalina38.org
> > [mailto:listserve-bounces at catalina38.org] On Behalf Of Joseph Launie
> > Sent: Tuesday, February 24, 2009 10:02 PM
> > To: Catalina 38 Listserve
> > Subject: Re: [C38] heat exchanger
> > 
> > 
> > Ric,
> >     I have I 4 cylinder universal that may be the M-35. It has given
> > me good service altho with a racing boat I only have 825 hours on
> > it. Why did you get rid of it? Joe Launie, Macavity
> > 
> > Rich West wrote: 
> > > <!--[if mso 9]--> <!--[endif]--> 
> > > Hi Patrick,
> > >  
> > > I had a universal M35 in Legacy (before the Yanmar I now have) and
> > > it had two bolt-on end caps on each end of the heat exchanger.  It
> > > was pretty simple to remove them and clean out the small tubes
> > > inside.   There were rubber gaskets between the body of the
> > > exchanger and the end caps that looked like they were cut from an
> > > old intertube.   I cleaned my heat exchanger out a few times as
> > > there was a zinc electrode in the heat exchanger that would
> > > disintegrate and clog the small tubes with broken zinc chunks.  
> > >  
> > > I don't know if any of this applies to your engine.
> > > 
> > > Rich, Legacy, #360, Los Angeles
> > >  
> > > 
> > > 
> > > __________________________________________________________________
> > > From: listserve-bounces at catalina38.org
> > > [mailto:listserve-bounces at catalina38.org] On Behalf Of Patrick
> > > Harpole
> > > Sent: Tuesday, February 24, 2009 6:14 PM
> > > To: 'Catalina 38 Listserve'
> > > Subject: [C38] heat exchanger
> > > 
> > > 
> > > Skippers,
> > > 
> > >      I wrote and appreciate your answers/help about impellor
> > > breaking up and engine over heating.  Then there was the problem
> > > of the black smoke emanating from the engine compartment.  Someone
> > > mention it might me rubber parts of the impellor getting into the
> > > heat exchanger? 
> > > 
> > > Does anyone know how to access/clean heat exchanger?
> > > 
> > > Thanks,
> > > 
> > > Patrick……aka  “Blue Eyes”  
> > > 
> > > 
> > > 
> > > Checked by AVG - www.avg.com
> > > Version: 8.0.237 / Virus Database: 270.11.3/1969 - Release Date:
> > > 02/24/09 06:43:00
> > > 
> > > 
> > > 
> > > __________________________________________________________________
> > > 
> > > _______________________________________________
> > > Listserve mailing list
> > > Listserve at catalina38.org
> > > http://catalina38.org/mailman/listinfo/listserve_catalina38.org
> > >   
> > > 
> > > __________________________________________________________________
> > > 
> > > 
> > > No virus found in this incoming message.
> > > Checked by AVG - www.avg.com 
> > > Version: 8.0.237 / Virus Database: 270.11.3/1970 - Release Date: 02/24/09 13:35:00
> > > 
> > >   
> > 
> > Checked by AVG - www.avg.com
> > Version: 8.0.237 / Virus Database: 270.11.3/1969 - Release Date:
> > 02/24/09 06:43:00
> > 
> > 
> > 
> > ____________________________________________________________________
> > 
> > _______________________________________________
> > Listserve mailing list
> > Listserve at catalina38.org
> > http://catalina38.org/mailman/listinfo/listserve_catalina38.org
> >   
> > 
> > ____________________________________________________________________
> > 
> > 
> > No virus found in this incoming message.
> > Checked by AVG - www.avg.com 
> > Version: 8.0.237 / Virus Database: 270.11.3/1971 - Release Date: 02/25/09 06:40:00
> > installation. Do not forget to check for this. Joe
> >   
> _______________________________________________
> Listserve mailing list
> Listserve at catalina38.org
> http://catalina38.org/mailman/listinfo/listserve_catalina38.org