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Leaking Fuel Shutoff


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#1 lrhredjb OFFLINE  

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Posted July 10, 2013 - 08:07 PM

My 106 looses fuel through the fuel tap on the sediment bowl type filter. I have replaced the seal for the glass bowl however I think it is loosing fuel through the brass screw type shutoff. If there is fuel left in the tank after mowing it is gone the next time I need to mow. Is there a seal or o ring or something that I can repair or do I have to buy a whole new sediment bowl valve assy. At todays gas prices it needs fixed soon!

 

 

 

 

 

 

 

 

 

 

 


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#2 superaben OFFLINE  

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Posted July 10, 2013 - 08:52 PM

Usually sediment bowls have a packing around the shutoff.  The brass compression nut tightens it.  Try tightening that nut and see what happens.  Sometimes they work loose.

 

If that doesn't work, find an IPL for the tractor and see what's there and what replacement options you have.

 

Ben W.


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#3 lrhredjb OFFLINE  

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Posted July 10, 2013 - 09:19 PM

Ben,the shutoff screw does seem loose. I will try to tighten the packing nut tomorrow. I have the factory service manual but no parts detail of the fuel bowl assy.

Larry



#4 superaben OFFLINE  

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Posted July 10, 2013 - 09:24 PM

If the shutoff won't tighten enough, I have taken a standard hardware store o ring and crushed that into the compression nut.  I still have one that way on a Briggs fuel shutoff.

 

Ben W.


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#5 Gtractor ONLINE  

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Posted July 10, 2013 - 09:54 PM

Tighten the packing nut a little at a time!!!!  Don't put the whammy to it.  You can get it too tight and then you won't be able to turn the T handle on the shutoff.  Plus,  what packing is in there will be crushed and distorted even more if you get it too tight.  GOOD LUCK!!!


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#6 EricFromPa ONLINE  

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Posted July 11, 2013 - 12:48 AM

The older ones had Leather packing they harden over time.Not sure if CC used leather or just a flat rubber washer.

Once they get hard you might as well tear it apart and dig out the packing and see about getting a fat O ring that will fit.

 

Most of the time when the packing gets hard,tightening the jam nut will only help for a very short time before it leaks again.

 

 

 

Here's the one I got to replace the one on my CC 127.$19.00 shipped

http://www.ebay.com/...=item483ef7f310

 

These have a slightly smaller Bowl on them but they do the job.


Edited by EricFromPa, July 11, 2013 - 12:55 AM.

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#7 JD DANNELS OFFLINE  

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Posted July 11, 2013 - 01:27 PM

I have not looked for any for a while but a hardware store should have packing.


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#8 olcowhand ONLINE  

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Posted July 11, 2013 - 01:42 PM

In a pinch, I've simply wound sewing thread around & around the shaft for packing.  Had that last for years.


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#9 EricFromPa ONLINE  

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Posted July 11, 2013 - 02:23 PM

In a pinch, I've simply wound sewing thread around & around the shaft for packing.  Had that last for years.

 

I've used Jute Twine on our old Ford 8n before.It also lasted a few years.

 

I've learned that you use what you have when your in a tight spot.Especially when your out in the field. :rolling:



#10 superaben OFFLINE  

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Posted July 11, 2013 - 05:35 PM

Tighten the packing nut a little at a time!!!!  Don't put the whammy to it.  You can get it too tight and then you won't be able to turn the T handle on the shutoff.  Plus,  what packing is in there will be crushed and distorted even more if you get it too tight.  GOOD LUCK!!!

 

I did have a fuel sediment bowl on a Clinton that someone actually stripped the threads off the compression nut when they tightened it a wee bit too far. 

 

Ben W.



#11 HowardsMF155 ONLINE  

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Posted July 11, 2013 - 05:52 PM

I think a hardware store will have teflon packing thread for just this purpose.  It may be a little coarse for this application however.



#12 lrhredjb OFFLINE  

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Posted July 12, 2013 - 06:13 PM

I just remembered I have some teflon packing string I picked up for plumbing work. I'll bet that will work. Now if I could only find it. :wallbanging:

 

Larry






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