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John Deere Sabre 638 Hydro Gas Leak At Carb


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#1 carolspain OFFLINE  

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Posted August 11, 2013 - 06:52 PM

I recently inherited a mid 90's Deer 638 Hydro..

With the Briggs & Stratton Vanguard 16 HP engine.

y problem gas is seeping out of the connection to the dashpot at bottom of carb.

I'm looking for solutions regarding cause and/or fix. Tractor was  in dealer this past spring foe new belts gen tune up, etc.

It's only had aprox 7hrs on it this summer.

Thanks,

Joe B.


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#2 Bmerf OFFLINE  

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Posted August 11, 2013 - 08:29 PM

:welcometogttalk: Welcome carolspain, I am not familiar with the Vanguard engines or the "dashpot" you are referring too. Usually there is a gasket or O-ring between assemblies on any carburetor. Is yours missing? Pictures of the problem would help. I am sure a Deer expert will be along shortly. Again Welcome.



#3 jd.rasentrac ONLINE  

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Posted August 12, 2013 - 03:02 AM

:welcometogttalk:

 

hi Joe, a photo of the problem will be helpful to locate the leak. maybe it's a gasket, maybe something else...


Edited by jd.rasentrac, August 12, 2013 - 03:03 AM.

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#4 A.C.T. OFFLINE  

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Posted August 12, 2013 - 06:32 AM

untitled welcome.png

 

Sounds like a gasket.


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#5 JDBrian OFFLINE  

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Posted August 12, 2013 - 06:49 AM

Is the dashpot you are referring to the fuel solenoid? You may be able to seal the leak with a adhesive that's rated for use on gas tanks. I can't think of the name now but there is one brand that's pretty common. 


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#6 carolspain OFFLINE  

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Posted August 14, 2013 - 10:42 PM

I'll post pic soon. Many thanks for suggestions



#7 jd.rasentrac ONLINE  

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Posted August 15, 2013 - 12:04 AM

Is the dashpot you are referring to the fuel solenoid? You may be able to seal the leak with a adhesive that's rated for use on gas tanks. I can't think of the name now but there is one brand that's pretty common. 

 

In europe we use TUNAP 359 TUN SIL tunsil.jpeg

 

sadly I've only found the german product information Attached File  359-TUNAP-TUN-Sil-Gasket-PI.pdf   196.77KB   35 downloads






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