question about fuel petcocks

[Christopher Sutton]

John, 
Get a new washer for between the nut and the tank. Clean the sealing surface of the tank to make sure it’s not uneven. Blocking it with fine sandpaper to create a smooth surface may be necessary. The nut on the petcock body is a left hand thread, the one to the tank is RH. Thread the nut on the petcock first on rotation. Then install the petcock on the tank until finger tight. Holding the petcock, tighten the remainder with a wrench Guedentite. Prounounced goood in tight. Ha! Seriously, I use an 8” wrench and just go till the new washer stops compressing. When the wrench stops, you stop. Add gas and wait to check for leaks. I have had to give it an extra tweak on my /6 as I was getting a little seepage. No seepage, you’re good. 
Ps. I think someone put them on the wrong way at some point because the nipples should face rearward. 
See you at the next rally!!
Chris


Sent from my iPhone

> On Jun 20, 2021, at 7:48 AM, John Chevalaz via PAAirheads <paairheads at casano.com> wrote:
> 
> 
> I have a question concerning the fuel petcocks on my 1995 R100RT.
> I want to swap them from each side to the other so they face rearward and not forward.
> Question is does anyone know what the torque is when tightening the collar nut or what ever its called that holds the petcocks in place ?
> I looked at a parts fiche from Max's and did not see a crush washer so i am guessing the filter screen and its associated base ring must me the crush washer or whatever forms a seal to keep the gas from dripping out.
> Any thoughts on that.
> Thanks in advance for your advice.
> 
> John Chevalaz
> 
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