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Old 10 May 2012, 16:09   #1
Country: UK - Scotland
Town: Gourock
Boat name: 5.8 Open Adventure
Make: Avon
Length: 5m +
Engine: Outboard
Join Date: Oct 2007
Posts: 25
Zodiac I/C valves seized


I have a zodiac with the I/C valves and the have seized in the inflation position leaving the tubes as basically 1 single compartment.

I cannot budge the valves and have tried partially dismantling them but I am not too sure what to do next, I do not want to apply too much force and end up breaking something.

I have attached a couple of pictures of the valves as they are just now.

Can anyone offer any advice / instruction on how to free the valves off?
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ryza00 is offline   Reply With Quote
Old 10 May 2012, 18:23   #2
spartacus's Avatar
Country: UK - Scotland
Town: Aberdeenshire
Boat name: Sula
Make: Ribcraft 4.8m
Length: 4m +
Engine: Tohatsu 60hp + aux
MMSI: 235087213
Join Date: Jun 2007
Posts: 3,390
The nickel plated brass valves are prone to seizing if they're not greased. First thing to do is to dry them off, then put a rag into the valve. Spray Duck Oil Penetrating Release or Plusgas on the valve and clean off any overspray from the tubes. Do this and leave for a few days, and reapply if necessary.

Check out this earlier thread. Servicing Zodiac I/C Valves

I've attached a PDF for the 'o' ring, diaphragm, gasket, etc, to order from local Zodiac dealer. Key thing on reassembly is to use a decent marine yellow grease on the metal to metal valve components. Service periodically and you shouldn't have problems in the future. Good luck.
Is that with or without VAT?
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