[C320-list] Yanmar exhaust architecture

[tharrison at innovations-plus.com]

They are from the box the parts came in. I purchased them from a Yanmar parts store called Bristol marina 

Sent from my iPhone

> On Oct 17, 2014, at 9:13 AM, colloua5 at aol.com wrote:
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> These part numbers are they from yamar direct ?
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> Thanks for all the info
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> 
> on another note .....my muffler box failed, I am going to clean it, re-epoxy the joint where the two meet and then fiberglass mesh the two together on the outside  completing the sealed unit. From what I read the new units seem as poorly designed as the original.
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> I am contemplating having one made of brass with  soldered joints over the winter, pressure test it and install, the cost should be equivalent to the fiberglass replacement unit
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> -----Original Message-----
> From: tharrison <tharrison at innovations-plus.com>
> To: C320-List <C320-List at Catalina320.com>
> Sent: Thu, Oct 16, 2014 11:09 am
> Subject: Re: [C320-list] Yanmar exhaust architecture
> 
> 
> One item to note is hose size. Mine was 1 5/8. 
> 
> There is a reverse direction joint between the elbow and mixing elbow. Play with 
> this piece and the final orientation.
> 
> 124070-13520 mixing elbow
> 128370-13610 elbow
> 104214-13580 joint
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> Gasket, I do not have this part number. 
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> High temp gasket seal - red from NaPa 
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> Some anti seize compound for on the joint threads. 
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> That is all I can thing about.
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> Others please verify the part numbers. I fairly sure. 
> 
> Sent from my iPhone
> 
>> On Oct 16, 2014, at 6:53 AM, Graeme Clark <cg at skyflyer.co.uk> wrote:
>> 
>> Timothy
>> 
>> Thats exactly why I wanted a photo or diagram (or even part numbers) , so I 
> can get an idea of how the thing is put together following what would appear to 
> be an early experiment on mine!
>> 
>> For example at what point of the exhast doe sthe water injection take place? 
> Itr seems to me that the cooling water exits on the port sode of the engine and 
> the exhaust on the starboard side, so some form of connection needs to be made 
> between the two. The ‘standard’ Yanmar exhast injection elbow has the water 
> entering the exhaust just a few inches from the engine block, i.e., really 
> early; mine has the water enetering about 18 inches downstream, hence, 
> presumably the need to lag the prt beforehand which receives no cooling effect!
>> 
>> Regards
>> 
>> Graeme
>> 
>> 
>> 
>> Message: 7
>> Date: Tue, 14 Oct 2014 20:27:53 -0400
>> From: Timothy Osburn <tosburn1958 at gmail.com>
>> To: C320-List at catalina320.com
>> Subject: Re: [C320-list] Yanmar exhaust architecture
>> Message-ID:
>>   <CAJEc2k1MKDpjndsjfeZcPNCAAC3xWk0nXZoogQ=6dBmdvtE6ww at mail.gmail.com>
>> Content-Type: text/plain; charset=UTF-8
>> 
>> I just had mine replaced last month and the mechanic was able to use off
>> the shelf parts. I have the same engine.
>>> On Oct 14, 2014 5:37 PM, "Graeme Clark" <cg at skyflyer.co.uk> wrote:
>>> 
>>> I have just transitioned from one/third shared ownership of hull #303 with
>>> a Westerbeke to sole ownership of hull # 366 which (I have been told) is
>>> one of the very first to be fitted with a Yanmar 3GM30F engine.
>>> 
>>> The exhaust arrangement/architecture is very different from the Westerbeke
>>> and I wondered if this was now ?standard? in all Yanmar engined 320s or has
>>> it been superseded with something else?
>>> 
>>> The exhaust is on the starboard side of the engine, so there is a length
>>> of lagged exhaust pipe as per this photo
>>> 
>>> http://i59.tinypic.com/244tch3.jpg
>>> 
>>> which then connects  to a section on the port side where the water is
>>> injected. The entire assembly looks a bit ?home made?!
>>> 
>>> If I have to replace the exhaust ?elbow? (in reality not an elbow at all)
>>> where do I get this piece or is it custom made by a fabricator.
>>> 
>>> If anyone else with a 3GM30F has a photo or diagram of the exhaust
>>> arrangement I?d be most grateful
>>> 
>>> Many thanks
>>> 
>>> Graeme,
>>> Britain
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