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Old 22 September 2002, 08:21   #1
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Leaky valves.

Hi all. I'm in need of advice. Can anyone tell me how to stop the valves leaking on my ageing Avon? As you will see from the photo's posted by Keith (Large one ) Hart on the Ribnet gallery the tubes had gone down a bit in the afternoon after I had blown them up in the morning. Nothing drastic but a little annoying. What's the answer? Please help!!
Bill.
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Old 22 September 2002, 08:32   #2
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Some time ago someone mentioned striping and cleaning the valve assy.

At the time i took a mental note incase it was useful information, but my stbd. tube has become a little quicker to deflate (took about a month before needed pumping before - now i need to do it after a week) so i was gonna take a look when i get a chance - any advice here appreciated too!

Sorry that does not help bill
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Old 22 September 2002, 11:42   #3
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I posted a reply a while back, but to recap, although the valves are probably glued in the can be removed for cleaning, or replacing, the knack to replacing them is to use a small piece thin of string. Attach the string to the inside bit that goes inside the tube and pop it into the tude. thread the outer piece on the string. The string now allows you to pull the inside bit into the hole and hold it whilst you screw the outside bit on. Glue them in if you like but they can work without glue. Evo stick saves messing around with two part glues, just make sure its very thinly applied, ie use a samll paint brush.

Paul Lemmer used to sell this tip for the price of a round of drinks. To you its free, because one day I will need something from the members of this quite brilliant and informative forum.

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Old 22 September 2002, 17:39   #4
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Bill, one thought - did you pump the boat up on land before launching and then top up the tubes when afloat as the cold water will make them go soft .

Another tip is to apply vaseline to the inside of the valve caps which will help seal a leaky valve ( at least it did on my old Zodiac)
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Old 23 September 2002, 08:19   #5
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I think the valves on the old avons were of the lots of screws round the outside type if so just unscrew them and get a service kit from polymarine.

John
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Old 23 September 2002, 11:08   #6
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Bill

Take a digital photograph of the valve and post it here.

Keith (click) Hart
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Old 24 September 2002, 15:19   #7
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Leaky valves.

Thank you each and all for your help. Keith, I'm not able to post any photo's on Ribnet yet as Robert is ill.
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Old 11 October 2002, 13:04   #8
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Here at long last is a photo of a "Leaky Valve".
Bill.
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Old 09 November 2002, 06:05   #9
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Hi Bill

Any luck with the valve yet?

Keith (sssssssssssssss) Hart
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Old 09 November 2002, 11:28   #10
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No but I've got time over the winter to sort it. David gave me details of somw liquid that you put in the tubes and roll it around when I picted up my ENGINE this morning. Not bad 550 for a sib and engine!!!!
TLS.
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