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jefflinebaugh(at)earthlin
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 Posted: Wed Jan 04, 2006 5:17 am Post subject: Air Bottle Testing |
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Get your air bottles tested, YES!
Two years ago, I found my CJ emergency bottle in very sad shape, and had to replace it. My main bottle was tested and found to be fine...
At that time we postulated that the emergency tank sits "stagnant" more than the main tank. When filling the main air tank, I squirt a bit of air tool oil in the fill line to add a little rust preventative. The emergency tank doesn't benefit from this if still full as the air recharge won't get to it.
Using Nitrogen instead of air would help prevent rust. (That is the reason Nitrogen should be used in struts instead of air Dave.) Nitrogen is not too desireable for the main tank in my book (and besides, it would be quickly diluted by the compressor air), but should be just fine for emergency tank use. Fill the emergency tank to a value just slightly higher than the main system operating pressure (but still below normal limits). Then assuming no leaks, your emergency system should remain isolated and full of N2, and be less prone to rust. To do this requires playing with your pressure regulator.
This method would not be required for Yak 52 folks as their emergency system is completely isolated (cannot be charged by the compressor). Is it common to charge Yak 52 systems with N2? I hope so...
Just a thought...
Jeff
Jeff Linebaugh
jefflinebaugh(at)earthlink.net (jefflinebaugh(at)earthlink.net)
http://home.earthlink.net/~jefflinebaugh/
CJ-6P N621CJ
Memphis, TN
[img]cid:50486000-02A0-4A4D-8A78-043A30A19C06[/img]
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jefflinebaugh(at)earthlin
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| Posted: Wed Jan 04, 2006 5:24 am Post subject: Air Bottle Testing |
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My personal experience with Tyms for air bottle testing was not too great. It took 5 weeks to get my bottles back, and one of the fitting seats was damaged (on my brand new emergency tank). It required 3 phone calls to get my bottles back. A friend had a similar experience just last month.
I have since been told that most large cities should have bottle testing companies, as most forklifts are going to propane, and their bottles require regular testing. I have also been told that they should have fittings to fit our bottles... I have not comfirmed this, but was told by a forklift mechanic. Anybody else have an alternative? Tyms, in my book is not a great alternative...
Jeff
Jeff Linebaugh
jefflinebaugh(at)earthlink.net (jefflinebaugh(at)earthlink.net)
http://home.earthlink.net/~jefflinebaugh/
CJ-6P N621CJ
Memphis, TN
[img]cid:36747F59-7616-4CE0-9505-9048650BE356[/img]
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dsavarese(at)elmore.rr.co
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| Posted: Wed Jan 04, 2006 5:32 am Post subject: Air Bottle Testing |
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It is possible to charge Yak 52's with Nitrogen particularly if both the main and emergency systems are completely empty. However, I would recommend after doing so to discharge the main air tank and recharge it with dry compressed air (breathing air) to a point just below the pressure relief valve pressure. This technique should prevent the compressed air from diluting the Nitrogen in the emergency tank.
Dennis
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