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Thread: aircon pump as compressor

  1. 11th January 2015, 07:45 PM #1
    bblaze
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    aircon pump as compressor

    years ago I set up an old falcon aircon compressor as an on board air comp, it was pressured lubed from the engine I think and just drained back to sump. I have just set up a another sytem for the guy I am working for and told him it cant last as it now not lubricated as the oil is an integral part of the system. Its on a 2001 patrol (ye I know) and is the standard air con pump. So how can I lube it
    cheers
    blaze
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  2. 11th January 2015, 09:42 PM #2
    jboot51
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    Common conversion although you do need a piston style pump such as the sanden 508 or 715 series.


    A slight mod to the internals, block the oil feed into the suction.
    Grease fill it and away you go.


    Endless Air have been selling them for years.


    This is worth a read


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  3. 11th January 2015, 10:32 PM #3
    bblaze
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    many thanks for that, I had spent a couple of hrs trying different searchs on google was was getting no where
    cheers
    blaze
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  4. 12th January 2015, 07:18 AM #4
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    roverrescue
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    for a quick easy fix, simply run the suction line of the A/C pump to a tee off the rocker cover of the engine. Will be filtered and oiled air supply. Then run an old A/C dryer on the pressure side to drop the majority of the oil out.

    You should get 5+ years out of a standard rotary sanden doing this.

    Much easier and more compact pumps than piston pumps

    S
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  5. 13th January 2015, 10:22 PM #5
    mox
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    Anyone got a rough idea what sort of compressed air output at what revs you can expect from automotive air conditioners? Probably best in cubic feet per minute which still seems widely quoted and understood.
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  6. 14th January 2015, 01:27 AM #6
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    loanrangie
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    Quote Originally Posted by mox View Post
    Anyone got a rough idea what sort of compressed air output at what revs you can expect from automotive air conditioners? Probably best in cubic feet per minute which still seems widely quoted and understood.
    Enough to spray paint with.

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  7. 16th January 2015, 01:19 AM #7
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    sierrafery
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    According to the book is a ten cylinder swash plate unit with a fixed displacement of 177 ml/rev (0.19 US qt/rev)
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