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Old 09 February 2010, 16:40   #1
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A7 Valve

Firstly let me say Thank You to you all for the information that I have gleened from reading this forum. Most of my novice questions have been answered by reading past posts.

I have an Avon Sportboat 3-40. In prepartaion for this years fun I have started to check it out and found that 2 of the valves have slight air leaks on them.

Today I had a prod about and one of the valves fell apart.
I have seen somewhere an assembley drawing of these but I am unable to find it again.. Would anyone be able to point me in the right direction.. or be able to give me a "Janet and John" description on hwo to remove the valve unit without buying the 77 socket spanner.
Many Thanks
Chris
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Old 09 February 2010, 16:53   #2
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think the drawing you refer to is on rib-shop website, i used a big adjustable spanner to undo the locknut, you are best to order the repair kit first so that you can see what bits are involved, its fairly easy to do
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Old 09 February 2010, 17:07   #3
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Thank You for your swift reply. That wasn't the drawing I was thinking of.
Would you know if the white plunger just screws into the the diaphram?
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Old 10 February 2010, 07:45   #4
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Seek and thee shall find !
Just in case it's of any use to anyone else = http://www.westportmarina.com/zodiac...lverepair.html
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Old 24 March 2010, 17:17   #5
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5 valve service kits ordered from IBS (super fast delivery).
All fitted today and as markg said "Pretty straight forward"..
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Old 24 March 2010, 20:37   #6
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sorry i would have tried to give a better description but was away on holiday
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Old 25 March 2010, 11:45   #7
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Quote:
Originally Posted by Seabay View Post
I have seen somewhere an assembley drawing of these but I am unable to find it again..
I think I saw it on the Leafield site a while back. Buried pretty deep, but it was there.

jky

Sorry; that may have been for the C7 valve. Don't see the A7 on there anymore.
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Old 12 April 2011, 16:38   #8
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2 steps forward and 3 steps back!

Started fitting the new floor in the D Classs tonight (late...should have left it until the morning!)

Floor in, went to reinflate the sponsons and now have a slowly freeflowing valve....plus a rubber diaphragm /ring which blew out....

Will order a service kit tomorrow.....off the top of their heads, does anyone here know what valve the D Class had /has? AND anyone want to supply me a couple of repair /service kits (will have a spare)?

It's dark now, and I'm away on charter for the next few days.....any assistance appreciated....If someone knows and or can supply, will ring through to order /pay tomorrow etc

Oh, and to tp it all off, there's no beer in the house either.....'violin begins to play'
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Old 12 April 2011, 17:31   #9
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Sorry, can't help with supply, but if they are the same as the Y boat valves I think they are bitter valves from Alfons Haar Ltd:

http://www.alfons-haar.de/76.html

I know the website doesn't look relevant, but if they are Alfons Haar valves on your D class they will have the 'AH' logo on the caps as per the website logo.

Your best option might be to contact Avon. I think the part numbers are

Complete valve in grey:

AH0000011258

Complete valve in black:

147940

Seal:

AH0000011258

But please double check before you order anything! If all else fails you could try the disposals guy at the RNLI - I can PM his e-mail address or look on page 5 of the latest edition of 'Offshore'

Cheers

Chris
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Old 13 April 2011, 14:11   #10
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You are a star Chris.....and spot on with Alfons Haar, was dark and I was hungry (highly irrational) last night....was getting close to that Basil Fawlty moment with the car and the stick....

Didn't finish until gone 6 today so haven't had chance to call Avon....did just briefly take one apart (two are slowly running despite having been perfect before i deflated it to put the floor in.....)

The rubber seals looks good, the springs seem strong /good.....the circlip is good....cleaned them quickly, but both still running slowly....will have a proper go at them over the weekend if i get chance.....

Might try and (over)inflate them with the compressor and see if that helps them seal....any tips on how to clean them /other ideas appreciated

Quote:
Originally Posted by chris123 View Post
Sorry, can't help with supply, but if they are the same as the Y boat valves I think they are bitter valves from Alfons Haar Ltd:

http://www.alfons-haar.de/76.html

I know the website doesn't look relevant, but if they are Alfons Haar valves on your D class they will have the 'AH' logo on the caps as per the website logo.

Your best option might be to contact Avon. I think the part numbers are

Complete valve in grey:

AH0000011258

Complete valve in black:

147940

Seal:

AH0000011258

But please double check before you order anything! If all else fails you could try the disposals guy at the RNLI - I can PM his e-mail address or look on page 5 of the latest edition of 'Offshore'

Cheers

Chris
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