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Subject Topic: carver non return valve question Post Reply Post New Topic
05/2/2012 at 2:38pm
 Location: chesterfield
 Outfit: Ford Kuga AWD & Lunar Clubman SI
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Hi does anyone know the thread size of the non return valve in a carvar casscade heater?

I have had great difficulty removing one and the replacement is very tight so I was intending to get a tap to clean the threads if I could find out the size, its approx. 16mm, but could be imperal size.

thanks in advance



05/2/2012 at 4:00pm
 Location: Lancashire
 Outfit: Caravan now Sold
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M16 tap

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the only silly question is the one you do not ask.


05/2/2012 at 4:00pm
 Location: Lancashire
 Outfit: Caravan now Sold
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oops

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the only silly question is the one you do not ask.


05/2/2012 at 4:08pm
 Location: chesterfield
 Outfit: Ford Kuga AWD & Lunar Clubman SI
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thanks for the quick reply, but is it M16 or oops!!!!!!!!


05/2/2012 at 5:36pm
 Location: Berkshire
 Outfit: Abbey Spectrum
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 Hi Cliff Not sure of the thread size but i use a bolt fron the towball fitting  i cut a few groves down the thread and screw it in and out a few times to clean the thread works every time

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05/2/2012 at 11:15pm
 Location: Lancashire
 Outfit: Caravan now Sold
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see carver 2

 

http://www.myidealcaravan.co.uk/faultfinder.html

http://www.myidealcaravan.co.uk/cascade%20removal.html



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the only silly question is the one you do not ask.


06/2/2012 at 10:22am
 Location: None Entered
 Outfit: http: www.arcsystems.biz
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It is indeed 16mm and a tow-ball bolt grooved as above does indeed do as good a job as a proper tap. Only problem in this instance is you need a long bolt, 4"-5" so it reaches and you still have room to get a socket on


06/2/2012 at 8:43pm
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Someone's obviously gunged a load of sealant on the thread. There's no need to put ANYTHING on these threads, as there's an O ring seal on the inlet.

I think I've already been through this one; basically you shouldn't put thread sealant where there's an O ring to do the job, blah blah blah....(I've been bought up in an engineering background, so always had it drummed into me how to do things properly. Your problems only go to show why )

Strange though, I would've thought they would be a BSP thread. you learn something new every day.

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Matt.



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