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  1. #1
    Super Member
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    International 2500a with Loader

    Default changing my oxygen tank

    today i changed my oxygen tank,took off the regulator and put on new tank and noticed a flat rubber washer on the cement floor below.i owned this unit for many years and never seen a washer on the regulator where it screw into the oxygen tank.i don't think it came from the regulator but it would put my mind to ease if some one can confirm that.

  2. #2
    Silver Member
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    Mar 2012
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    Outthere, WA
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    Kubota 25D

    Default Re: changing my oxygen tank

    Generally they are on your regluator side. Crack the valve, you'll know if the o-ring is missing.

  3. #3
    Super Member
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    Default Re: changing my oxygen tank

    i did crack the valve but didn't seem to be leaking.this wasn't a o-ring it was a flat rubber washer.

  4. #4
    Super Member Scooby074's Avatar
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    Aug 2006
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    Nova Scotia
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    BX 25, ZD 326

    Default Re: changing my oxygen tank

    There shouldnt be a washer in the sealing area where the valve stem from the regulator fits against the tank valve. That should be a clean, metal to metal seal.

  5. #5
    Super Member
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    Default Re: changing my oxygen tank

    thank you very much for the reply.

  6. #6
    Super Star Member
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    Yanceyville, North Carolina
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    Kubota L4400

    Default Re: changing my oxygen tank

    Just a thought? I'm an unaware of your oxygen supplier, but why not make a call to your provider in the morning? I know that Lincare will probably come out and check it for you. This will satisfy your concerns. Best wishes.
    The PUPIL who does not surpass his Master, fails his Master.

  7. #7
    Super Member
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    Default Re: changing my oxygen tank

    thanks for your reply.

  8. #8
    Super Member Gary Fowler's Avatar
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    Bismarck Arkansas
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    2009 Kubota RTV 900, 2009 Kubota B26 TLB & 2010 model LS P7010

    Default Re: changing my oxygen tank

    That sounds like maybe something you dropped and didnt notice it< Perhaps a washer for a garden hose.

    There are no washers on an oxy/acetylene hookup, it is brass to brass fittings all the way from bottle to torch mixing barrel. There are two small O-rings that connect the cutting head to the mixing barrel. This joint is to be lightly hand tightened only. Excess pressure will damage the o-ring seal resulting in need to replace them and if you buy them at the welding supply, they are about $3 bucks each which is outrageous.

    PS. The last time I used CO2 it required a flat washer between the gauge and tank valve as both surfaces were flat but that has been about 40 years ago, they may have changed them since then.
    2010 LS P-7010C 20F/20R gear tractor & FEL, 2009 Kubota B 26 TLB, RTV 900 Kubota,17 foot Lund boat with 70HP motor, 2012-20 ft 12k GVW trailer, 2011- 52" Craftsman ZTR mower, 2013 Ferris Zero Turn, 3 weed whackers, pressure washer, leaf blowers, 7 foot bush hog, 8 foot landscape rake , 8 foot 3 PH disc, 2 row cultivator, 350 amp Miller AC/DC welding machine and all the tools needed to keep them all repaired and running.

  9. #9
    Super Member
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    Default Re: changing my oxygen tank

    Thanks Gary now i have piece of mind.the only place it looked like it could fit was in side the nut on the regulator.

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