Propane Gauge/Leak Tester - Page 6 - Escape Trailer Owners Community

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Old 04-07-2014, 07:36 AM   #51
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Wow Brian, four lengthy posts consecutively within a very short period of time. You need to step away from the keyboard and go camping!
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Old 04-07-2014, 10:43 AM   #52
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Sorry for the confusion ... don't know all the technical terms. But, yes, the leak is coming from where the valve body is connected to the tank. (Used the reference to "blue tape" just to try and correlate where the leak is in with relation to the photo posted.) Agreed that an outside detector is impractical. As was proven by this experience, the best detector may be the nose. And we still can't explain why the soapy water didn't produce bubbles.
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Old 04-07-2014, 02:43 PM   #53
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Use a dilute liquid soap and water and water solution to check for gas leaks in tires and and LP systems,. The slower the leak, the longer duration of time before the bubbles appear.
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Old 04-07-2014, 08:41 PM   #54
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You need to step away from the keyboard and go camping!
Hmmm... half - but only half - of my driveway is free of ice. A bit early for camping here!
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Old 04-07-2014, 09:33 PM   #55
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It's coming Brian! Plot and plan. Half the fun is the anticipation.
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Old 04-07-2014, 10:53 PM   #56
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Thanks Jubal - Used the diluted soap (used Dawn which usually has great bubbles) but the bubbles never did appear ... but the vapor sure did. As predicted, when I checked it tonight, the leak seems to have stopped. We were wondering whether it might have been the sunlight on the tank (it was 80 deg here); however, our neighbor (a fire fighter) said that sunlight wouldn't cause the leak (he's the one who advised putting the tank up in the field and then getting a new one). We've decided to take the tank to an RV repair place close by and ask them about it ... and then just replace the tank. 20 lb of propane is cheap if it brings peace of mind ...
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Old 04-07-2014, 11:10 PM   #57
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We've decided to take the tank to an RV repair place close by and ask them about it ... and then just replace the tank. 20 lb of propane is cheap if it brings peace of mind ...
TRUE STORY. Bold is mine.
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Old 04-08-2014, 12:34 AM   #58
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As predicted, when I checked it tonight, the leak seems to have stopped. We were wondering whether it might have been the sunlight on the tank (it was 80 deg here); however, our neighbor (a fire fighter) said that sunlight wouldn't cause the leak ...
The pressure in a closed propane tank depends only on the temperature of the contents. If the tank warms up significantly when left in the sun, the pressure will rise. It will never get high enough to cause a tank fitting to leak unless the fitting is defective (damaged threads, inadequate thread seal, not tight enough), but it makes sense that it might get high enough to cause noticeable leaking of a fitting with a fault.

On the other extreme, at about forty below, there's no more pressure than surrounding atmoshere... which presents other problems.
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