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Old 28th May 2012, 07:58 PM
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D Martin D Martin is offline
Senior Member
Join Date: Apr 2009
Location: Doncaster, South Yorkshire
Posts: 1,006

I've had a few leaks on mine mate 2 from the cylinder o ring, mine not having a quick fill the cylinder is in and out all the time. The last one was leaking air back through the breach which turned out to be an o ring behind the plate which houses the firing valve just above the reg housing.
I stripped the reg and replaced the seals behind the filling valve as well while I was at it.
All the o rings can be got from chambers and it's a simple job.
Just make sure that you don't adjust the screw at the rear of the reg or you'll have to set it all back up again. If that's where your leak is from then it's much easier going in from the front. The filling valve comes out using a 8 and 10 mm socket.

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