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  1. 01-03-2013, 05:59 PM #27
    steve wright
    steve wright is offline Professional Member
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    If that comp had mineral oil and you put r401 without changing to alky oil I bet comp seizing up.

    As a last ditch effort you might try some Supco 88, sometimes it works sometimes not.
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  2. 01-03-2013, 09:36 PM #28
    skooba
    skooba is offline Professional Member
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    I would say oil logged or the oil got washed out of the compressor. I use 409 for 12 systems and have zero problems.
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  3. 01-03-2013, 11:16 PM #29
    steve wright
    steve wright is offline Professional Member
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    Yea I agree.

    Sometimes you can add a little AB lubricant and it will help bring oil back
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  4. 01-04-2013, 08:06 AM #30
    coldjoe
    coldjoe is offline Regular Guest
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    Sounds like its possibly been overcharged .I would ignore sight glass and charge system measuring subcooling off condenser and superheat off cooling coil
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  5. 01-17-2013, 04:42 PM #31
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    mmmdave
    mmmdave is offline Professional Member
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    Curious if you resolved the problem...
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