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Old 25 April 2012, 12:36   #1
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How do i replace this valve?

How do i replace this broken and leaking A7 valve? It seems to be stuck into the recessed rubber moulding. Do i need to take the whole moulding out to get at the valve, and would it be very difficult to glue the rubber moulding back in place after i've changed the valve?
Any advice appreciated!

Thanks
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Old 26 April 2012, 06:38   #2
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recessed A7

if you cannot repair the valve in situ ,the best bet is to cut out part of the recessed mounting leaving the outer ring still glued into the tube this then allows you to cut a round patch with a C7 valve fitted in it and glue it to the tube over the outer part of the recessed mounting which gives a better base to glue and roll to
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Old 26 April 2012, 07:36   #3
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Paul knows far more than I do about these things.
But just like heís suggested I have in the past cut out an old valve and glued a new one in place which was already mounted in a circle of Hypalon.
Itís a bit tricky keeping it all flat and not gluing the tubes sides together but perfectly achievable by a competent amateur.

If it's just the 'mushroom' you need to replace, there were some very good instructions on RIB Shops website about how to do it with the body of the valve still in place in the tube. I followed them myself and found them easy enough to carry out.
Unfortunately my internet access at work wonít allow me anywhere near the ribshop website to post a link.

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Old 26 April 2012, 10:28   #4
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We have a brief guide - see here - which explains how to service an A7 valve and how to replace a valve - see here
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Old 26 April 2012, 11:36   #5
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Hi,
Thanks for the advice, my problem is that the actual body of the valve has been damaged, and the valve has been glued into the recessed moulding so i can't just change the diaphragm.
So i think i will have to fit a new valve on a hypalon patch as Paul has suggested, thanks for your help.
Simon
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Old 30 April 2012, 06:05   #6
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Mike at MJS Marine 01624 822920 will probably have the valves and glue if you haven't already got them
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