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  1. Replies
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    Was the unloader added recently or is this an old...

    Was the unloader added recently or is this an old one that for some reason is now not working? By unloader kit do you mean the cylinder head, the valve plate, and the unloader valve? If the...
  2. Replies
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    2,084

    Never knew that ,thanks! You must be REALLY old!

    Never knew that ,thanks! You must be REALLY old!
  3. Replies
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    2,084

    Just a couple of things.........Copeland semi's,...

    Just a couple of things.........Copeland semi's, as well as all the other manufacturers, turn at 1750 rpm's, the same as all the tin cans. The old Chrysler Air Temps and the current Bitzer screw...
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    643

    Parkeraustin, That's the "old style" 06E low...

    Parkeraustin,
    That's the "old style" 06E low temp valve plate. It used to be the standard low temp plate for everything until Carlyle came out with the new design plate (which in my opinion isn't...
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    643

    We sell quite a few valve plates in the Detroit...

    We sell quite a few valve plates in the Detroit MI area and air freight gets it to you the next day. What plates specifically? We have a good stock of Copeland disc type and Carlyle refrigeration...
  6. Replies
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    The factory tech is wrong, high temperatures have...

    The factory tech is wrong, high temperatures have nothing to do with breaking valves in a compressor. High discharge temps cause piston, ring, and cylinder wall damage, and will fail a compressor...
  7. Mrak, It sounds like you got the Dienes &...

    Mrak,
    It sounds like you got the Dienes & Nuenkamp pump and not the Tuthill one. The drive plate with the 3 pins is the weak link in that style pump. The pins over time will wear off one side and...
  8. rak, Every compressor has a device to limit oil...

    rak,
    Every compressor has a device to limit oil pump output pressure. If you plug the 1/4 mpt fitting that the relief screws into, the pump will shear the driveshaft tang off on start up. The...
  9. Just an FYI, Carrier also has long stroke...

    Just an FYI, Carrier also has long stroke versions of those machines. The model numbers change to a 5H46, 66, 86 and 126. Internally the extra capacity is achieved by a crankshaft and piston change...
  10. Chev5372, We've been remanufacturing compressors...

    Chev5372,
    We've been remanufacturing compressors since 1972 and the same goes for us. We have quite a few in the stores and know where they all are by the S/N. Carrier open drives really aren't...
  11. Lots of Kmarts in Michigan and Ohio are running...

    Lots of Kmarts in Michigan and Ohio are running them as well.
  12. We remanufacture these to this day. 5H 40's 60's...

    We remanufacture these to this day. 5H 40's 60's 80's and even 120's. Yep, 12 cylinder open drives. We also did a 6L120 this summer, which is a 12 cylinder SEMI HERMETIC. That thing was 6 feet...
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    jaybee, One thing thats really important is...

    jaybee,
    One thing thats really important is trying to determine why the old seal is leaking. Alot of the time it's because the main bearing behind the seal is worn out and if this is the case a new...
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    First try to find the liquid dilution problem...

    First try to find the liquid dilution problem that is robbing the oil of it's ability to lubricate properly. Otherwise, compressor #2 will have the same problem!
  15. Replies
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    The copper shavings have to be from cutting the...

    The copper shavings have to be from cutting the suction and/or discharge lines some time in the past. The windings are made from high grade magnet wire that is formed into coils then covered with...
  16. No such thing as assembly oil that I'm aware of,...

    No such thing as assembly oil that I'm aware of, we just use good old 3G mineral oil. Everything is assembled and tested with 3G and then drained, stocked, and shipped dry. Our waste oil is great...
  17. In our shop our policy is to LIGHTLY oil the...

    In our shop our policy is to LIGHTLY oil the gaskets and install them IMMEDIATELY. The gaskets will expand if they are allowed to sit in oil for any length of time. Keep in mind that there are...
  18. Actually we do re-sleeve Copeland cylinders....

    Actually we do re-sleeve Copeland cylinders. Standard bore first goes to .020 oversize, then the next time the .020 goes to .030, and after that we have a choice. We either replace the casting or...
  19. Broken suction valves reduce compressors...

    Broken suction valves reduce compressors capacity, like an unloader would. Nothing inside the compressor is likely to be damaged. Broken discharge valves on the other hand will cause the piston pin...
  20. Replies
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    1,774

    The E body Copeland is an air cooled compressor...

    The E body Copeland is an air cooled compressor with the suction valve mounted on the side of the cylinder block. Suction gas is drawn directly into the cylinders unlike suction cooled compressors...
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    Good for you, The handhole connection is...

    Good for you,
    The handhole connection is preferred for reading oil pressure anyway. You should tell your customer that you provided an upgrade to his compressor!
  22. Replies
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    2,234

    My advise only works if you are using a spiral...

    My advise only works if you are using a spiral style EZ Out, I've never had any luck with the fluted type. A broken EZ Out is a problem because it is a hard metal and it is very difficult to get a...
  23. Replies
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    2,234

    Fan curve, DO NOT try to weld the port shut, it...

    Fan curve,
    DO NOT try to weld the port shut, it won't work! Tap the EZ Out into the fitting with a hammer to seat it firmly in the fitting and then turn it CLOCKWISE to remove it. Now take your...
  24. Bitzers And Carlyles are both screws but in the...

    Bitzers And Carlyles are both screws but in the small HP style that I am familiar with (30 to 50 HP), the internal construction is different. Also, Bitzers (and possibly Carlyle) are all 3600 rpm...
  25. Well, One reply. Wish I could help but we only...

    Well,
    One reply. Wish I could help but we only reman recips and Bitzer screws. I have very limited knowledge of Carlyle screws but your right, somebody should have responded. Good Luck!
  26. Replies
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    Sorry yes, they are WOUND right into the phases...

    Sorry yes, they are WOUND right into the phases of the winding and cannot be replaced except by rewinding the motor and installing new ones.
  27. Replies
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    Disconnect all the wires from the overload...

    Disconnect all the wires from the overload terminal posts. The overloads should not have any ohm reading to the motor terminals. If you do then the sensors inside have somehow shorted to the motor...
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    618

    That is an 8 cylinder semi hermetic that used to...

    That is an 8 cylinder semi hermetic that used to be called a 6L83 for you old timers. Normal oil pressure in the 6L machines is 40 to 60 psi above suction. The oil safety should be set at 18 +/_ 1...
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    Kaptnkirk, Not sure if the replies from Pro's...

    Kaptnkirk,
    Not sure if the replies from Pro's forum get over here or not, but I sent a reply on that side to you.
    Ray
  30. Did you find out why the first compressor failed?...

    Did you find out why the first compressor failed? What broke the rod? Generally compressors don't fail unless some component of the system has caused it to fail. Your voltage won't be an issue for...
  31. Do you mean 480 volts? I've never seen a 600...

    Do you mean 480 volts? I've never seen a 600 volt Cope disc type compressor. Do you have the rubber gasket between the terminal box and the terminal plate? You can pick one up from your Cope...
  32. Techman, Why are you concerned with what...

    Techman,
    Why are you concerned with what rebuilders did 20, 30 ,or 40 years ago? Did you work in a rebuild shop back then? Do you have actual experience with "how it was"? I did, and I can tell...
  33. Jayguy, I am one of the "few" that provides...

    Jayguy,
    I am one of the "few" that provides quality rebuilds. Unlike you, however, I think our industry has more than a "few" shops able to do quality work. Rebuilding has come a long way in the...
  34. shop policies

    Jayguy,

    I take offense to your implication that because a compressor is from an independent company and not the OEM that it is somehow inferior. Have you ever been to my shop in Detroit and...
  35. Wiring mix up

    If the rebuilder mixed up the #6 and the #9 leads and only ran the compressor on 460 volt to test it, it would run fine. In the field if you were to wire it for 208/230 Part Wind Start and the...
  36. Replies
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    Sorry, I just saw the date on that post. How did...

    Sorry, I just saw the date on that post. How did that happen?
    Ray
  37. Replies
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    It isn't that easy to "rebuild" that compressor. ...

    It isn't that easy to "rebuild" that compressor. When we re-manufacture them we fit new oversize pistons, replace the bearings, re-machine the crankshaft, surface grind the valve plate and replace...
  38. Replies
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    Copper plating is most frequently found on close...

    Copper plating is most frequently found on close tolerance parts that operate at high temps. Examples would be compressor valves, bearing journals, or the oil pump. The process actually occurs in...
  39. Replies
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    Elizeze, If you don't mind, could you provide...

    Elizeze,
    If you don't mind, could you provide the rest of the story? I have some questions and comments but I would like to know what you found first.
    Thanks,
    Ray
  40. Replies
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    806

    dave1234, To provide overload protection on...

    dave1234,
    To provide overload protection on small 3 phase motors, you use an external overload with a warp disc inside it and connect it to the three other leads of the motor that is wound in a...
  41. Replies
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    1,643

    We have had several of the "X" shaped sockets...

    We have had several of the "X" shaped sockets made at around $70.00 each, it's the only way to get the PRV out. We replace them with the hex head style. Not sure why Copeland made them that way.
  42. Helioson, I don't stock the oil cooler, You're...

    Helioson,
    I don't stock the oil cooler, You're going to have to go to your wholesaler for that one. If it's easier you can pick up the oil tube fitting there as well unless you want me to send you...
  43. Helioson, Sorry I didn't see your post earlier,...

    Helioson,
    Sorry I didn't see your post earlier, I was on vacation in the Dominican Republic. You probably figured it out by now, but in case you didn't.....
    The part is called an "oil tube...
  44. Replies
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    643

    I have terminal seals for those Airtemps if you...

    I have terminal seals for those Airtemps if you need them. Those were high speed compressors (3600 rpms) and they worked great until they didn't. When they failed they blew up inside due to the...
  45. Thread: 5h126

    by remanworld
    Replies
    9
    Views
    853

    Good morning, First of all, what's your net oil...

    Good morning,
    First of all, what's your net oil pressure? Is the compressor noisy? Has anyone been working on it before now? What application is it? Why were you called out? I'm sure we can...
  46. Replies
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    Guys, Go onto Grainger and order #A315512. Its...

    Guys,
    Go onto Grainger and order #A315512. Its a 3 pack and its 1/8 mpt run tee. Every Copeland that goes out the door of our shop gets one and we ship alot.
    Thanks,
    Ray
  47. Replies
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    All semi hermetic compressors DO NOT have...

    All semi hermetic compressors DO NOT have internal pressure relief valves. Under the old laws, only compressors over 10 hp were required to have an internal PRV. Thats why the very early old...
  48. In our business (compressor remanufacturing),...

    In our business (compressor remanufacturing), almost ALL of the electrical failures in compressors are mechanical in nature. Worn bearings, broken valves, etc. that cause the motor to burn out. I...
  49. Our company in Michigan does not do service but...

    Our company in Michigan does not do service but we do provide remanufactured compressors for Liebert equipment and we ship to all 50 states and Puerto Rico. Liebert equipment seems to be very...
  50. Replies
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    1,643

    The relief is behind the discharge service valve...

    The relief is behind the discharge service valve and the gasket is the service valve gasket.
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