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aircon pump OBA

Discussion in 'The Garage' started by southernspeed, May 23, 2005.

  1. southernspeed

    southernspeed 1/2 ton status GMOTM Winner

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    I know this has been covered but I'm damned if I can find it!
    I want to use my late model (late 80's - early '90's) aircon pump for OBA. Has anyone got this set up? Does it provide enough cfm for impact guns/airing up tires?
    What sort of pressure switches did you use and did you use an external oiler and seperater?
    Alternatively.....link me to a suitable post or site :)
    Thanks.
     
  2. southernspeed

    southernspeed 1/2 ton status GMOTM Winner

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    No one wants to admit to this???? :grin:
     
  3. mrk5

    mrk5 The Sticker Guy Moderator Vendor GMOTM Winner Author

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    Maybe this will help

    This article indirectly talks about the problem you're going to have.

    Click-->Onboard Air

    That's why most everyone recommends the York compressor.
     
  4. southernspeed

    southernspeed 1/2 ton status GMOTM Winner

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    hmmm...thanks for the link Scott. Why can't anyone ever say 'yeah it'll work great, won't cost you a penny, you'll love it!!!!'
    Oh well, that's life I guess. I wonder what sort of use they were giving it? If it was 3 years of light commercial use it'll last me a life time.
    Anyone have any first hand experience?
     
  5. CyberSniper

    CyberSniper 1/2 ton status Premium Member

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    Well, both vane and wobble plate compressors use oil in the refrigerant as a lubricant. Plus the liquid also cools the pump. When pumping air you have neither of these luxuries. If you oil the snot out of it (preferably an automatic oiler) then run an oil separator after it they last quite a while. They do have a duty cycle when they don't have refrigerant going through them.

    I know about ten people that swore by their wobble plate or vane pump. Then about 3 months later they have a seized pump. Usually from running it too long and/or not enough oil.
     
  6. southernspeed

    southernspeed 1/2 ton status GMOTM Winner

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    It's beginning to look like I need a change of plan. Shame, it would be so easy to use a pump that fits and wires straight in!
     
  7. mrk5

    mrk5 The Sticker Guy Moderator Vendor GMOTM Winner Author

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    If you're willing to ditch the AC you have now, it isn't that hard to install a York compressor. Much easier than the writeup in the tech section.
     

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