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Old 11-29-2022, 02:21 PM   #1
spinelll
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Default Fuel shutoff confusion

I decided against a fuel shutoff rebuild kit and instead, for a new valve.
For kicks, I dis-assembled the old shutoff (see attachment).
I was expecting to see some old grungy packing but all I saw was tapered brass.


What gives?

Leo
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File Type: jpg Shutoff.jpg (39.5 KB, 141 views)
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Old 11-29-2022, 02:31 PM   #2
Flathead
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Default Re: Fuel shutoff confusion

Was the packing any good?
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Old 11-29-2022, 02:40 PM   #3
spinelll
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Default Re: Fuel shutoff confusion

What packing? What you see is all there was.
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Old 11-29-2022, 03:28 PM   #4
Gary WA
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Default Re: Fuel shutoff confusion

Thats all there is, brass on brass. Tooth paste works good to polish the two brass fittings tapered and the o-ring. work back and forth to polish.
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Old 11-29-2022, 03:43 PM   #5
Synchro909
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Default Re: Fuel shutoff confusion

The only packing in a shutoff valve is between the taper and the handle. It seals against fuel leaking out of the valve near the handle. Yours is a repro valve with an O ring for that. The originals had a thick washer made from some fibrous material that sealed when the nut under the handle on was tightened.
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Old 11-29-2022, 04:28 PM   #6
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Default Re: Fuel shutoff confusion

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See if you can polish it out to seal and save it for next time. Because there will be a next time.
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Old 11-29-2022, 04:42 PM   #7
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Default Re: Fuel shutoff confusion

Re assemble with some EZ Turn.
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Old 11-29-2022, 04:49 PM   #8
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Default Re: Fuel shutoff confusion

Quote:
Originally Posted by nkaminar View Post
Re assemble with some EZ Turn.
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Old 11-29-2022, 07:00 PM   #9
spinelll
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Default Re: Fuel shutoff confusion

Quote:
Originally Posted by Synchro909 View Post
The only packing in a shutoff valve is between the taper and the handle. It seals against fuel leaking out of the valve near the handle. Yours is a repro valve with an O ring for that. The originals had a thick washer made from some fibrous material that sealed when the nut under the handle on was tightened.

That clears it up.
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Old 11-30-2022, 12:58 PM   #10
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Default Re: Fuel shutoff confusion

Tom Wesenburg (sp?) claimed that toothpaste was a good lapping compound to use on the fuel shutoff valve.
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Old 11-30-2022, 11:38 PM   #11
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Default Re: Fuel shutoff confusion

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Originally Posted by katy View Post
Tom Wesenburg (sp?) claimed that toothpaste was a good lapping compound to use on the fuel shutoff valve.
He was right.
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