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markseven

Fuel valve leaks

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markseven

It leaks bad .?

And I want to fix .

Any suggestions 🤔 👀 😊 

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markseven

I know im replying to my topic. 

Its like  a leather material 

Acting as a o ring?

 

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lynnmor

Cut off a bit of your leather shoe string on your hunting boots.  They do make packing material, hopefully it is still available in the plumbing section of your favorite hardware store.

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8ntruck

I had a leaking shut off valve on my 14-8 no name.  I picked out the old O ring/paking, then took the valve stem to the hardware and found an O ring that would fit on the valve stem.  Put the nut on the stem and rolled the O ring over the threads then put the valve back together.  That was about 5 years ago.  Still holding.

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ri702bill

If you do that, use a Viton O-Ring, not Buna-N.

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sqrlgtr
8 hours ago, markseven said:

It leaks bad .?

And I want to fix .

Any suggestions 🤔 👀 😊 

I may have missed it but what mochine does that go with?  I'm almost positive you can still get them shutoffs new if ya dont have any luck fixin it. BTW I always try and use one of our vendors here when I can if you decide to buy new.

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peter lena

@ri702bill  many moons ago , when I worked , we always had charts  to cross reference / materials  at change over time . we regularly used a MATCHING LUBRICANT  TO PREVENT  O RING  ROLLING ?  that rolling  would bind and thin out  the physical size of the ring  , making it leak , or crack .  change overs  , were a regular thing for us , using existing  tank / piping / pumps ,related space to make a different food grade material . that food grade  standard , was the game changer , every  flange  mount had to  be certified  with a chemical lab test  , to verify  its cleanliness , working with a  instrument tech , shows you  how to eliminate , issues .  pete

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Handy Don
Posted (edited)

The viton o-ring can work ok.

An alternative I’ve used is (Ace) hardware:

https://www.acehardware.com/departments/plumbing/faucet-and-faucet-repair/faucet-and-valve-packing/4200366

I had some left over from fixing outdoor water spigots. Wrap around the stem between the compression nut and the shaft threads to make a donut about 1/8” in diameter.

Edited by Handy Don
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WHX??

I have wrestled with these leaking many times and not had much luck in getting them to quit. Since replacements are readily available I just replace them. Especially on tractors that they are hard to get at. 

replacements

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sqrlgtr

:text-yeahthat: me too

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Handy Don
2 hours ago, WHX?? said:

I have wrestled with these leaking many times and not had much luck in getting them to quit. Since replacements are readily available I just replace them. Especially on tractors that they are hard to get at. 

replacements

Completely agree on the newer style. I wanted to refurbish one with the glass sediment bowl on the 854. 

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WHX??
Posted (edited)

Sentimental leak bowls don't get messed with either. Squonkies favorite ... Just  replace. Guy's gotta stay orginal on a resto Mike... :lol:

The original 1/8 threaded style petcocks with the round knob are still around you look. Stens or Rotary I think. 

Edited by WHX??
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peter lena

@Handy Don  having replaced all of mine years ago , never had an issue with any of them , remember suggesting  to use a silicone grease  on installation  for ease of  installment , seating . cannot say  its related , because of  zero issues , but , have used , sta bil in all my fuels , with excellent results , especially referring to  , no  fuel hose debris at all , anyware  , filter at tank  and another close to carb , zero debris , when ever I have  repetitive  problem , love those ?  look at it  in every possible angle , and  experiment  till gone . my stand by generator  , sits for months  , starts right up , filters are clean / clear , carb bowl   , clean / clear . as I  have said , any questionable fuel , and related hose , should also be changed out  , also suggest , to run a frame length  5/16 " steel brake line ? eliminate all that fuel hose break down , that upper inside frame corner , is a good spot, then clear  fuel resistant  hose to barb, years in ,  tank and carb , add 1 to 2 ounces of  stabil , to all my tank top offs  .  no fuel issues at all . regular gas  , pete       

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