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General Discussion of preventative/corrective maintenance and other technical issues regarding your coach that are not covered in other Mechanic's Corner categories (ex. refrigerators, water heaters, and compressors).

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  #11  
Old 05-13-2010
Bill Pape's Avatar
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Wow! this is in a difficult spot.
This could cost you the new PPV, but take the old one apart ( the first one removed), and check it out. In your first picture it appears that a screw is missing, that will really make it leak.
It is possible to remove the four screws and replace the guts, with the new valve innards. sometimes the gasket is different.
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Last edited by Bill Pape; 05-13-2010 at 06:50 PM.
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  #12  
Old 05-13-2010
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You can remove the whole assembly by disconnecting the 6 or seven lines and then replacing the PPV...in the comfort of your work bench. Bill is not wrong, but a more permanent and reliable fix is to replace the 25 year old valve with a new KN 31000.
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  #13  
Old 05-13-2010
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so all the valves use the same pressure?
I noticed many pressure options when ordering PPVs.

so all of our PPVS are the KN31000?

because there are also KN31001 thru KN31010 all with different pressures.
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  #14  
Old 05-14-2010
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Quote:
Originally Posted by giderich View Post
You can remove the whole assembly by disconnecting the 6 or seven lines and then replacing the PPV...in the comfort of your work bench. Bill is not wrong, but a more permanent and reliable fix is to replace the 25 year old valve with a new KN 31000.
Follow Dick's advice on this repair, Ya do not want to do this repair twice.
In looking at the picture 6 or 7 ferrule fittings, and the lower left side that makes things look really difficult looks like the over pressure safety valve , it is easily removed.
Pipe fittings are always a mystery to me, always take the fittings or nipples to the hardware store or purchase several different sizes for each repair.
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