[C36IA] engine temp #2

[Gene Foraker]

If that is the case, then I'd have to guess water is not circulating 
properly.    A pump not pumping, impeller not impelling, or a blockage.

No, I'm not just trying to state the obvious.   If you have eliminated 
the first two, you have to concentrate on the last.   Start from the 
intake and follow the flow from there.   Both through the closed water 
parts and the "fresh" water parts, though it sounds like the closed 
part.   Also don't ignore a possible air blockage.   Someone mentioned a 
stuck closed thermostat and that is also a definite possible blockage.

Gene

Paul Jay Walchenbach wrote:
> tom,
>
> yes, fan belt is only a season old, in good shape and snug.
>
> q: if the heat exchanger is cool to warm, and not hot, is that a 
> 'symptom'?  and if yes, of what?
>
> pjw
>
>
> On Jul 1, 2009, at 1:22 PM, tjsoko at aol.com <mailto:tjsoko at aol.com> wrote:
>
> Steve,
> Because of the way it is constructed (in one end, out the other), and 
> because brass/bronze conducts heat so well, the whole thing would 
> probably be hot.  
>
>
> Paul,
> I know this is a really stupid question, but I have to ask it, because 
> it happened to me.  Is the "fan belt" in one piece and operating 
> properly?  If not, your circulating pump won't be circulating any 
> water, and the engine would overheat right away, yet water would still 
> be coming out the exhaust.
>
> Tom Soko
>
>
> -----Original Message-----
> From: Steven Jones <stevengjones at yahoo.com 
> <mailto:stevengjones at yahoo.com>>
> To: Catalina 36 Association Mailing List <c36list at c36ia.com 
> <mailto:c36list at c36ia.com>>
> Sent: Wed, Jul 1, 2009 3:39 pm
> Subject: Re: [C36IA] engine temp #2
>
> Paul, 
> I have had recent experience with removing and replacing the heat 
> exchanger.
> But first, if you suspect this may be the issue, it's very easy to 
> remove the round end plates off both ends to check inside.
> When replacing, each has two gaskets, one large one the size of the 
> round end cap, the other a small o-ring to seal the bolt- this ring 
> goes on the inside of the plate I think, check while removing yours.
>
> If you have to remove it, it's not hard, less than an hour to undo the 
> hoses and remove the clamps that hold it. 
> Refer to Fred J's email about two weeks ago how he held the two-stiff- 
> holding straps to get the bold started.  I did the exact same thing a 
> year ago!
> Good recommendation.
>
> But one thing, if the H/E (heat exchanger is the problem, wouldn't one 
> end by hot to the touch?  Tom S?
> Attached is a photo of what one should look like looking down the axis 
> (more or less) of a clean H/E.
> AND.... a little photo-write up I did about the pencil zinc which 
> shows crud before having it cleaned
>
> Steven Jones 2164 Seal Beaach CA
>
>
> ------------------------------------------------------------------------
> *From:* Paul Jay Walchenbach <pjwalch at sprynet.com 
> <mailto:pjwalch at sprynet.com>>
> *To:* Catalina 36 Association Mailing List <c36list at c36ia.com 
> <mailto:c36list at c36ia.com>>
> *Sent:* Wednesday, July 1, 2009 12:12:02 PM
> *Subject:* [C36IA] engine temp #2
>
> the leaking 'water' was in the pan/tray below the oil pan and engine 
> and not in the oil (no evidence of water in the oil, no froth).
>
> green coolant overflow level normal in cockpit locker.  thru hull 
> open, strainer clean, water splashing out exhaust.
>
> i am thinking thermostat or heat exchanger.  question is, how to i 
> trouble shoot to isolate the problem?
>
> and
>
> if it is the heat exchanger, how do i 'clean' or if needed, replace? 
> *
> *
> paul jay walchenbach
> *s/v mata hari *
> *#1660*
> *seattle*
> *
> *
> *
> *
>
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