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  1. Replies
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    188

    Check out this Tecumseh website. Andy wrote a...

    Check out this Tecumseh website. Andy wrote a great pipe sizing program

    http://boxload.tecumseh.com
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    619

    The "K" bodies are used in dental offices but...

    The "K" bodies are used in dental offices but have a slightly different model number (the fourth character is 4, KAT4) because the crankcase doesn't have a passageway to the head. (keeps the oil...
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    408

    There's no problem with applying a coating to...

    There's no problem with applying a coating to walk-in evaps. One can even order the evap from the factory with a coating, it just takes 3-4 weeks to get it. If you want to coat an evap in the field...
  4. Thread: Walk in cooler

    by powell
    Replies
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    778

    What's your question KHR?

    What's your question KHR?
  5. Replies
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    906

    You need to check the wrist pins. If you don't...

    You need to check the wrist pins. If you don't see any evidence of heat such as nasty burnt oil then the rod could have busted due to a liquid slug.

    If you want to buy parts check out...
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    906

    Here's some slop pictures out of an air-cooled...

    Here's some slop pictures out of an air-cooled Copeland.
  7. Replies
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    906

    If you do this be careful! If the rod is broken...

    If you do this be careful! If the rod is broken the piston will shoot up out of the compressor.:eek2:
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    906

    It's pretty much condemed having 1/2" slop in the...

    It's pretty much condemed having 1/2" slop in the piston.
  9. Replies
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    906

    Thor, Those pressures listed on the name plate...

    Thor,

    Those pressures listed on the name plate are test pressures, not system running pressures.
  10. Replies
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    906

    I also question why it has a CPR valve. Most...

    I also question why it has a CPR valve. Most R404A compressors don't require one. Was this a conversion from R12?
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    906

    A half inch slag is a lot, but not intirely...

    A half inch slag is a lot, but not intirely impossible. I doubt the rod is still connected to crank.

    A busted discharge valve would have caused the wrist pin to wear.

    If you end up...
  12. Replies
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    459

    ar_hvac_man Check out this older link in...

    ar_hvac_man

    Check out this older link in H-Talk.

    http://hvac-talk.com/vbb/showthread.php?728021-Oil-sight-glass-leak

    Also, I can't connect a leak at the sight glass to power outages or...
  13. Replies
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    482

    The "J" family compressor was discontinued, as...

    The "J" family compressor was discontinued, as Icemeister noted, years ago. To be exact it was April 2000 (abt 14 years ago). You were very lucky to find one. I haven't sold one since about 2004.
    ...
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    For a typical 4 drawer under counter refrigerator...

    For a typical 4 drawer under counter refrigerator I think the 1/2 hp system is oversized. Added to that, you're gaining about 35% btuh capacity at a 50 degree ambient versus a 110 ambient. The LPC...
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    Compression ratios get too high. ...

    Compression ratios get too high.

    http://www.hvacrinfo.com/cope_ae_bulletins/TAE1268.PDF
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    It should have the L-1/3 nozzle for R22.

    It should have the L-1/3 nozzle for R22.
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    613

    The condensing unit model number is:...

    The condensing unit model number is:
    AKA9461EXDXC
    R22
    6900 BTUH @ +25 sst @ 90 AMBIENT

    You have a matched system. I would have used the ADT065 but your still good.

    There must be other...
  18. The 90-150 (EAB-0150) is a MT12/LT502 compressor...

    The 90-150 (EAB-0150) is a MT12/LT502 compressor as I stated but the LT502 use is an alternative application for which I cannot find any btuh specs.

    Based on it's CFH and the S.W.A.G theory I...
  19. Is this a Copeland semi-hermetic compressor? If...

    Is this a Copeland semi-hermetic compressor? If so it is from the 60's with that part number 90-150. The current compressor number is an EAB?-015A-??? which is a MT12 or LT502 compressor.
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    I posted this today in the memorial section....

    I posted this today in the memorial section. Marvin has passed on.

    http://hvac-talk.com/vbb/showthread.php?1266331-Marvin-Greene-has-passed
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    2,334

    Marvin Greene has passed

    Marvin Greene "Marvin" passed away last night here in Las Vegas.

    At this time I do not know the cause of death.

    I always enjoyed talking with him on the counter or phone. He was an excellent...
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    1,588

    This is a true statement because the air is not...

    This is a true statement because the air is not blown directly on unwrapped produce or flowers. But, a low velocity evap is about twice the cost versus a regular evap. This is the reason (as one...
  23. There's just one little problem, the...

    There's just one little problem, the ERF2-0310-CAB is a H22/M502 compressor. It's not rated for R12.:whistle:
  24. Thread: walk in rebuild

    by powell
    Replies
    5
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    852

    The model of the box doesn't help. Give us the...

    The model of the box doesn't help. Give us the compressor model number and the evaporator model number.
  25. After a few years the liquid line will leak due...

    After a few years the liquid line will leak due to it rubbing together. I repaired quite a few of these in the 80's in Atlanta.
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