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 Post subject: Re: Help leaking valve?
PostPosted: Tue Mar 11, 2014 11:14 am 
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Joined: Sat Nov 03, 2007 4:19 pm
Posts: 8976
Location: Coalmont BC
What happened to the stem, did you carve out the exhaust port with it still in place?.... If so, you probably filled the valve up with swarf....

Bob

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 Post subject: Re: Help leaking valve?
PostPosted: Tue Mar 11, 2014 12:27 pm 
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Joined: Sun Jul 28, 2013 8:34 pm
Posts: 1155
Location: Vernon BC
Yes I did have it still in there whilst drilling :oops: I didn't know to fully remove the valve from the tube, it's threaded in there and needs either a special tool to unthread, or a 'technique' I found out. So I drilled before actually removing the stem. I thought I could drill it out carefully upside down to prevent debris from gathering. Think a good wash with water and a few blasts of dust-off should help? I will also try the drill technique today, if I understood how to do it from you guys correctly?


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 Post subject: Re: Help leaking valve?
PostPosted: Tue Mar 11, 2014 4:49 pm 
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Joined: Sun Jul 15, 2012 10:49 am
Posts: 6029
Location: Victoria, BC and Clarkston, WA
Mind posting a picture of the tool! Will help other who are going to disassemble theirs!!! :D

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 Post subject: Re: Help leaking valve?
PostPosted: Tue Mar 11, 2014 8:09 pm 
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Joined: Sun Jul 28, 2013 8:34 pm
Posts: 1155
Location: Vernon BC
:lol: Sure thing Rick! But I don't think a picture is needed? I use 2 thin screw drivers and stick them into those 2 pin holes on the valve face, then twist/cross the screw drivers to unthread the valve. You must remove the plastic tube in there first though.

It works like a charm for its simplicity. But Gerard told me of what sounds like a better idea! Find some kind of bar that fits in the cylinder and file/grind one end of the bar so 2 pins protrude and fit into the pin holes in the valve nicely with a t-handle of some sort on the other end. I don't have the ability or tools to make that but I was desperate to get that valve out (I had to get it out)! So I thought of the 2 screw drivers, it's a little finicky but works!

I will post a picture on here just so it's out there. Try googling info on these Brococks and you don't find much info! Very under-rated guns!


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 Post subject: Re: Help leaking valve?
PostPosted: Sun Mar 16, 2014 4:58 pm 
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Joined: Sun Jul 28, 2013 8:34 pm
Posts: 1155
Location: Vernon BC
Well just wanted to report, I think I did the toothpaste trick correctly? And I also tried something else along with it. I placed a shim behind the valve spring to apply more pressure to seat, then I counter-acted that with an equal width shim behind the hammer spring. I don't know of the repercussions from it and I don't know the results over the chrony because of it yet because...

It sealed the valve and no apparent air is coming from there or the barrel, but now I've got a leak on the charging fill port side now! :evil:

I hope it's just a case of not cleaning that end plug up good enough before reassembled. One note- I can feel the extra force needed to pull the bolt back.

:| Disassemble again and try to figure out how the fill port is leaking now. Any ideas?


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