[C320-list] C320-list Digest, Vol 1587, Issue 1

[Don Poole]

958 hrs on engine. pump vanes look good. new in May. no high temp alarm but I have not checked the alarm temp switch. need to do that. 

On Nov 26, 2012, at 2:00 PM, c320-list-request at lists.catalina320.com wrote:

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> Today's Topics:
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>   1. 320 #047, raw water discharge temp (Don Poole)
>   2. Re: 320 #047, raw water discharge temp (Jane & Ken)
>   3. Re: 320 #047, raw water discharge temp (JJ Morrison)
> 
> 
> ----------------------------------------------------------------------
> 
> Message: 1
> Date: Sun, 25 Nov 2012 19:30:38 -0600
> From: Don Poole <dpoole15 at gmail.com>
> To: "c320-list at lists.catalina320.com"
>    <c320-list at lists.catalina320.com>
> Subject: [C320-list] 320 #047, raw water discharge temp
> Message-ID: <4A940891-FC8F-45AD-B44C-B36AF110A4F2 at gmail.com>
> Content-Type: text/plain;    charset=us-ascii
> 
> Anyone know what the temperature differential between the raw water outlet and the inlet (sea) water should be? Having overheating problems with my Perkins M30 (running at 200F).  I'm only seeing a 12F temp rise from inlet to outlet when engine is fully up to running temp; unfortunately now 200F. (Measuring with a cup and an infrared temp gauge. inlet 68F outlet 80F).  I was expecting a higher outlet temp. Raw water discharge flow seems to be fine. Previously I had thoroughly cleaned heat exchanger tubes (internals) and tube bundle exterior and tested thermostat for proper opening. Used infrared temp gauge to read temp in area near temp probe and it appears that temp gauge is reading correctly. Welcome any ideas and experience! 
> 
> ------------------------------
> 
> Message: 2
> Date: Mon, 26 Nov 2012 06:02:49 -0800 (PST)
> From: Jane & Ken <obuoy4848 at sbcglobal.net>
> To: C320-List at Catalina320.com
> Subject: Re: [C320-list] 320 #047, raw water discharge temp
> Message-ID:
>    <1353938569.66415.YahooMailRC at web184904.mail.gq1.yahoo.com>
> Content-Type: text/plain; charset=us-ascii
> 
> Don, Has the engine overheating been related to the exchanger tubes or perhaps 
> the raw water pump vanes. The rubber vanes are critical and must be inserted 
> correctly.  Also the thermostat on my perkins was a 192 degree, which is not far 
> from the 200 degrees you are reading.  Does the high temperature alarm sound at 
> 200?  How many hours on the engine?
> 
> 
> 
> 
> 
> ________________________________
> From: Don Poole <dpoole15 at gmail.com>
> To: "c320-list at lists.catalina320.com" <c320-list at lists.catalina320.com>
> Sent: Sun, November 25, 2012 8:59:43 PM
> Subject: [C320-list] 320 #047, raw water discharge temp
> 
> Anyone know what the temperature differential between the raw water outlet and 
> the inlet (sea) water should be? Having overheating problems with my Perkins M30 
> (running at 200F).  I'm only seeing a 12F temp rise from inlet to outlet when 
> engine is fully up to running temp; unfortunately now 200F. (Measuring with a 
> cup and an infrared temp gauge. inlet 68F outlet 80F).  I was expecting a higher 
> outlet temp. Raw water discharge flow seems to be fine. Previously I had 
> thoroughly cleaned heat exchanger tubes (internals) and tube bundle exterior and 
> tested thermostat for proper opening. Used infrared temp gauge to read temp in 
> area near temp probe and it appears that temp gauge is reading correctly. 
> Welcome any ideas and experience! 
> 
> 
> ------------------------------
> 
> Message: 3
> Date: Mon, 26 Nov 2012 18:32:32 +0000
> From: JJ Morrison <sail-ability at sympatico.ca>
> To: Catalina List <c320-list at catalina320.com>
> Subject: Re: [C320-list] 320 #047, raw water discharge temp
> Message-ID: <SNT107-W65E2E390E700E01F23BB62E95F0 at phx.gbl>
> Content-Type: text/plain; charset="iso-8859-1"
> 
> 
> If you are getting good flow out the exhaust it sounds as if the engine thermostat could be  stuck in the closed position not allowing cooling fluid to flow through the engine.
> Cheers
> JohnM
> 1999#574 
> 
> 
>> From: dpoole15 at gmail.com
>> Date: Sun, 25 Nov 2012 19:30:38 -0600
>> To: c320-list at lists.catalina320.com
>> Subject: [C320-list] 320 #047, raw water discharge temp
>> 
>> Anyone know what the temperature differential between the raw water outlet and the inlet (sea) water should be? Having overheating problems with my Perkins M30 (running at 200F). I'm only seeing a 12F temp rise from inlet to outlet when engine is fully up to running temp; unfortunately now 200F. (Measuring with a cup and an infrared temp gauge. inlet 68F outlet 80F). I was expecting a higher outlet temp. Raw water discharge flow seems to be fine. Previously I had thoroughly cleaned heat exchanger tubes (internals) and tube bundle exterior and tested thermostat for proper opening. Used infrared temp gauge to read temp in area near temp probe and it appears that temp gauge is reading correctly. Welcome any ideas and experience!
>                         
> 
> End of C320-list Digest, Vol 1587, Issue 1
> ******************************************