[C38] Exhaust system check valve

[Max Soto]

Exhaust Check valve??? Is this a Yanmar only set up??
Were is this located??
Regards,

Max
2010/3/2 Tom T. <tdtron at earthlink.net>

>  Hi Phil,
>
> Is your new check valve hung level in a "normally closed" position with the
> hinge at the top requiring the exhaust to open it?
>
> Tom Troncalli
>
>
>
> ----- Original Message -----
> *From:* Phil Gay <eyriepg at comcast.net>
> *To: *Catalina 38 Listserve <listserve at catalina38.org>
> *Sent:* 3/1/2010 11:46:21 PM
> *Subject:* [C38] Exhaust system check valve
>
>  Dear List,
>
>
>
> I finally finished my exhaust system upgrade on my Yanmar 3GM30 from 1 5/8”
> to 2.”  I replaced the check valve downstream from the water lift muffler.
> The flapper in the old valve was lying at the bottom of the valve unattached
> to anything.  I like the more relaxed sound of my exhaust now.
>
>
>
> However, the new 2” check valve clanks when the engine is running.  I
> suspect that the bronze flapper is banging against the upper surface of the
> check valve rather than the surface that it closes against.  I suppose that
> I could put a drop of sealant on the downside surface of the flapper to
> deaden the noise.  Has anyone else encounter this annoying clanking?  How
> did you solve it?
>
>
>
> Phil Gay
>
> C38 049 Que Linda
>
> Everett, WA
>
>
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>
>


-- 
Max Soto
C38 #198 ESTANCIA
Puntarenas, Costa Rica
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