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09-25-2012, 06:43 PM
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#1
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Member
Join Date: Dec 2011
Posts: 98
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finding air leaks?
Short of following every hose with soapy water, how does one go about finding air leaks?
Archie
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1995 Newell Motor Coach
House(Sold)
Belonging (Stored)
Full Timing( Already Started)
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09-25-2012, 07:10 PM
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#2
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Senior Member
Join Date: Dec 2005
Location: Southern California
Posts: 1,018
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I know, Not what you wanted to hear but Finding small air leaks can be time consuming but eliminating them is worth the effort. There is no reason why our coaches should not maintain air pressure the same as your tires. One of the best and cheapest ways is to buy 'Bubble Soap' from the toy store. When sprayed or brushed on hoses and fittings it sticks in place and does not evaporate immediately. A very small leak will produce a mountain of bubbles. Just make this a long term spare time project. Do one area at a time and it doesn't get too boring. You also learn a lot about the air system as you do it. One leak that is very hard to find and not always consistent is if the compressor governor is leaking back.
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1976 Newell Classic (Sold)
Home Base: Riverside, CA
If anyone needs my contact info private message me and I will send it to you.
-Joseph-
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09-25-2012, 07:52 PM
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#3
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Senior Member
Join Date: Dec 2007
Location: Armenia, Wisconsin
Posts: 278
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there are a bunch of cool tools available like this one Compressed Air Leak Detector Model 170S that listen ultrasonically to the leak and transpose the sound down into the audible range where even the hard of hearing can catch em!!
Hmmmm..... that said... the price tag is a bit steep, making soapy water suddenly look fairly attractive...
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1983 Newell Coach
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09-25-2012, 08:38 PM
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#4
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Senior Member
Join Date: Sep 2006
Location: Sugarland, TX or Salida,CO
Posts: 1,867
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Dawn or Joy dishwashing liquid seems to make the best bubble soap, as does using distilled water.
The receipe:
1 cup (240 ml) Joy or Dawn dishwashing liquid
10 cups (2400 ml) water (tap or distilled)
4 tablespoons (60 ml) pure glycerin
Add the glycerin and dishwashing liquid to the water, stir gently. Let stand approximately 2 hours for best results.
Besides being good for chasing air leaks, it's great for kid's (or grandkid's) parties, too!
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Sean
If Ain't a Newell, It Ain't Wurt Oonin!
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