[C320-list] Perkins heat exchanger

[P.F. Ross]

Dave, they were one of the first people I checked with and they did not
have any tanks as of April, 2024.  But always worth a try if someone needs
one!

Frank Ross
Beta Wave #206

On Fri, Sep 13, 2024 at 2:22 PM Dave Hupe via C320-list <
c320-list at lists.catalina320.com> wrote:

> I bought a new heat exchanger tank from
>
> https://parts4engines.com/collections/perkins-perama-m30-parts?page=2&grid_list=grid-view several
> years ago but have not seen it available for a long time.  However, it
> would be a good idea to email them and ask if needed. They have been very
> responsive for  me over the years. Their pricing (including oversees
> shipping) and speed has always been great .... exceeding US firms.
> Dave Hupe
> 1994 C320 #32
>
> Yahoo Mail: Search, Organize, Conquer
>
>   On Fri, Sep 13, 2024 at 1:26 PM, P.F. Ross via C320-list<
> c320-list at lists.catalina320.com> wrote:   Dan, I will echo what Steve
> just said.  If you have the tank off, carefully
> inspect for any holes between exhaust path and coolant tank.
> I am way behind on reporting on my smoke issue from March of this year, but
> it turned out to be a broken exhaust valve.  I will post a complete report
> on that soon but one thing that did show up was a carboned up exhaust path
> where the tank connects to the exhaust hose.  As my mechanic was gingerly
> trying to clean it up, he found a hole between the exhaust manifold and
> coolant tank sections.  At this point, the cast iron tank became a small
> anchor and a replacement would be needed.
>
> Hopefully, you do not have this problem since new tanks seem to be no
> longer available from Perkins or others.  Fortunately, I found a NOS one in
> England from Marine Enterprises (https://www.marineenterprisesltd.co.uk/).
> Jonathan Staple there was incredibly helpful.  I did look at others on ebay
> but all were second hand.  In any case, they do not give these things away.
>
> I also used the threaded rod trick as described by Steve to clean out my
> heat exchanger tubes.  But really, all my tubes were incredibly clean as
> is.
>
> Best wishes,
>
> Frank Ross
> Beta Wave #206
>
> On Fri, Sep 13, 2024 at 12:03 PM Steve Weinstein via C320-list <
> c320-list at lists.catalina320.com> wrote:
>
> >  Dan,I had a Perama M20 on my former C270 and had a coolant leak.  Turned
> > out it was in the heat exchanger in the wall of the exhaust manifold.  If
> > the M30 is similar, the heat exchanger works as both the exhaust manifold
> > and the heat exchanger for the engine cooling system.  Over time, the hot
> > exhaust ate away at the manifold and created a hole into the heat
> exchanger
> > water tank.  If you have the engine apart, I would suggest examining the
> > manifold closely for a possible pinhole between the exhaust and the heat
> > exchanger tank.
> > As far as the tube stack goes, as noted, it's easy to slide it out once
> > you have the rugger end caps and hose clamps removed.  A little gentle
> > persuasion may be needed but be very careful.  If there is any buildup in
> > the tubes, you can easily clean them out with a piece of threaded rod and
> > flush them out.  I got the threaded rod at Ace Hardware, just need to
> find
> > the right size.  And work carefully, you don't want to damage those
> tubes.
> > Hope the helps,Steve Weinstein2000 C320 #722, Vega
> >
> >    On Friday, September 13, 2024 at 07:00:51 AM EDT, Dan Winsor via
> > C320-list <c320-list at lists.catalina320.com> wrote:
> >
> >  Thank you Dave, don't know what we would do without you. Lucky Devil is
> in
> > my yard, stripped. I ran the diesel for an hour without overheating then
> > got brave and tried the 6 mounting bolts. All 6 loosened nicely and I
> have
> > all the parts, except the tank, on hand for rebuilding including water
> pump
> > and all rubbers. Really wanted to ID the source of coolant lose before
> > tearing it down but....
> >
> > On Thu, Sep 12, 2024, 21:25 Dave Hupe via C320-list <
> > c320-list at lists.catalina320.com> wrote:
> >
> > > The big front and rear rubber boots clamp simultaneously to both the
> heat
> > > exchanger tank and the "tube stack" inside. That is why you see two
> large
> > > clamps around each boot.  The larger clamp is clamping onto the hole
> thru
> > > the tank while the slightly smaller clamp is holding onto the end of
> the
> > > tube. If the boots are removed, it is possible to slide the tube out of
> > the
> > > tank.
> > > Yes ... you do not need to actually remove the heat exchanger tank from
> > > the engine.
> > > I changed my heat exchanger tank so I should be able to send you some
> > > photos to demonstrate this tomorrow.
> > > Dave Hupe
> > > 1994 C320 #32
> > > Holland,  MI
> > > .
> > >
> > > Yahoo Mail: Search, Organize, Conquer
> > >
> > >  On Thu, Sep 12, 2024 at 8:54 PM, Dan Winsor via C320-list<
> > > c320-list at lists.catalina320.com> wrote:  I know there is an abundance
> of
> > > this topic on record but just a quick
> > > question.
> > > What retains the tube-stack within the heat exchanger? Is it possible
> to
> > > change the stack without pulling the box?
> > > Ok, 2 questions.
> > > Thx,
> > > Dan Winsor
> > > Lucky Devil #109
> > >
> > >
> >
> >
>
>