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  1. 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...
  2. 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...
  3. 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...
  4. 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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    293

    Dave1234, I'd like to help but I'm not sure what...

    Dave1234,
    I'd like to help but I'm not sure what it is that your asking. What do you mean by "what would the symptoms be of trying to unload a non-unloading head? Just trying to excersice my brain...
  6. Replies
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    2,291

    As a compressor remanufacturer, I always...

    As a compressor remanufacturer, I always challenge techs to find the REAL cause of a compressor failure. Sometimes I over do it and come across as one sided, which I try not to be. In this case I...
  7. Replies
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    2,291

    Here's my take on the compressor murder. The...

    Here's my take on the compressor murder. The silver metal flake that is suspended in the oil is whats left of the main bearings. When they failed that allowed the rotor to move against the inside...
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    682

    Years ago I attended a seminar put on by the...

    Years ago I attended a seminar put on by the Trane company and the rep told us that several oil changes are critical to remove the acid from the system. I am not a big fan of oil additives that...
  9. Replies
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    1,379

    JP, Besides, no need to visit Dearborn (but you...

    JP,
    Besides, no need to visit Dearborn (but you would be very welcome). We stock that model and ship nationwide. PM me if you need anything compressor related, parts, info, whatever. I'll see...
  10. Replies
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    1,379

    Like I said before, no offense taken. When we do...

    Like I said before, no offense taken. When we do a compressor we strip it down to bare casting and start from there. Castings are chemically cleaned and then cylinders are measured and resized. ...
  11. Replies
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    1,379

    ICanHas, Thats a good one! 20 years ago when we...

    ICanHas,
    Thats a good one! 20 years ago when we needed to do field rebuilds of large tonnage Tranes and 5H Carriers, it was standard procedure to take along a cylinder (or two) of R-11 to "dry...
  12. Replies
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    1,379

    Tech Rob, Not a problem, I was just trying to...

    Tech Rob,
    Not a problem, I was just trying to help prevent another compressor failure. Often when you get called out on an after hours emergency that requires a compressor change out, things could...
  13. Replies
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    1,379

    I also would like to respectfully disagree with...

    I also would like to respectfully disagree with your comments on which rings wear the fastest. The distance from the oil pump has nothing to do with cylinder lubrication because the cylinders are...
  14. Replies
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    1,379

    Excuse me, I had no intention of offending.

    Excuse me, I had no intention of offending.
  15. Replies
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    1,379

    The piston rings are worn like that because...

    The piston rings are worn like that because liquid refrigerant is entering the cylinders and diluting the oil film on the cylinder walls. Generally compressors don't fail without a reason. You...
  16. Thread: Caryle

    by remanworld
    Replies
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    560

    I don't understand how a brand new compressor...

    I don't understand how a brand new compressor could be delivered with a blown relief valve. You should check all of the discharge valve paddles to make sure none are chipped or cracked. Sometimes...
  17. Thread: Bad valves?

    by remanworld
    Replies
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    1,721

    Everyone, There is one thing to remember when...

    Everyone,
    There is one thing to remember when talking about bad valves in a compressor. Bad DISCHARGE valves will cause the compressor pressures to equalize immediately on shut down and cause the...
  18. Huntcrazy, The Brunner is an R-20000 for sure,...

    Huntcrazy,
    The Brunner is an R-20000 for sure, but they also made an R-2000. I don't think the Mills model number is correct. their numbering system was made up of the numbers 1 through 9 if I...
  19. Replies
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    2,023

    Most likely it's what you said: "good luck on...

    Most likely it's what you said: "good luck on that". I have been rebuilding compressors since 1972 in Michigan and when I started it was about 50/50 open drives and semi hermetics. Now its about...
  20. Replies
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    2,023

    I remember water cooled seals, what a blast from...

    I remember water cooled seals, what a blast from the past! Theaters around here used to run open drive Chrysler AirTemp radials.
  21. Replies
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    2,023

    tranger03, Do you work on any of the smaller...

    tranger03,
    Do you work on any of the smaller 340 series Vilters? If so, do they leak at the rates shown for the 400 series units? Just curious because we don't see any of the 400 series machines...
  22. Replies
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    2,023

    I've been in the compressor remanufacturing...

    I've been in the compressor remanufacturing business since 1972 and have some experience with both open and semi hermetic compressors. Open drives, of course, are the original design dating back to...
  23. Replies
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    9,070

    VTP99 Apparently we need to keep to the topic of...

    VTP99
    Apparently we need to keep to the topic of single cylinder compressors, although the concept applies to single or multi cylinder compressors and I thought it would be good intel for all. I'll...
  24. Replies
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    9,070

    Yes. You could replace a valve plate on a...

    Yes. You could replace a valve plate on a compressor and accidentally leave a suction valve reed out (which would be the same as having one broken reed). The compressor would still pump down and...
  25. Replies
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    9,070

    Everyone, Valving off the suction service valve...

    Everyone,
    Valving off the suction service valve to check for proper valve operation is not a definitive test. A compressor can have a broken suction reed and still pull into a vacuum, it just takes...
  26. Replies
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    734

    ar-hvac-man, I have never heard of a compressor...

    ar-hvac-man,
    I have never heard of a compressor beginning to leak after a power outage. If you are going to re-torque the bolts watch out, the two center bolts have a different spec than the rest....
  27. Replies
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    4,065

    pherman, That was a Chrysler Airtemp model 3011...

    pherman,
    That was a Chrysler Airtemp model 3011 or 3015. They were suspended in the unit by that top bracket and isolated with rubber mounts. Those compressors were 3600 rpm instead of everyone...
  28. Replies
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    1,281

    Most likely the clearances inside the compressor...

    Most likely the clearances inside the compressor are excessive. You can try to clean the pick up screen, though. On a 9R compressor the screen is behind the small diamond shaped cap on the lower...
  29. Replies
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    537

    Dave1234, The oil screen is screwed into a...

    Dave1234,
    The oil screen is screwed into a fitting on the inside of the casting. you need to remove the front bearing housing to access it. When you do this be careful, there are thrust washers on...
  30. Thread: Bad O6E?

    by remanworld
    Replies
    14
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    1,411

    Hockeynut, Yes you have a bad compressor. When...

    Hockeynut,
    Yes you have a bad compressor. When a discharge valve fails high side pressure is always pushing on the head of the piston. The constant pressure does not allow load reversal to occur. ...
  31. Replies
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    538

    Servman, I believe that you have a defective...

    Servman,
    I believe that you have a defective compressor. Sometimes the low oil pressure is caused by a worn out oil pump. The Carlyle oil pump in NOT a gear style pump like a Copeland. Instead,...
  32. Replies
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    497

    1SikLBZ, The Trane model E open is an awesome...

    1SikLBZ,
    The Trane model E open is an awesome machine, and servicing it is very straight forward. The connecting rods in all Trane compressors are cast from aluminum and the bearing surface is...
  33. shouldn't this be in the AOP section? Clearly...

    shouldn't this be in the AOP section? Clearly this question is from a building owner and not a service tech.
  34. Replies
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    399

    Thats a #8 Frigidaire. 4 cylinder, slow speed,...

    Thats a #8 Frigidaire. 4 cylinder, slow speed, trunk type pistons inside. The biggest problem with those was when someone would convert them from R-12 to anything else. If you look at the size of...
  35. Replies
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    Alcomech, NICELY DONE! If all the techs in the...

    Alcomech,
    NICELY DONE! If all the techs in the Michigan area had the basic understanding that you have demonstrated my reman shop would be closed for lack of business!
  36. Replies
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    447

    Has anyone changed a valve plate before on that...

    Has anyone changed a valve plate before on that compressor? Was the unloader added in the field? Taking the unloader off to see if the piston "snaps up" won't work. Remember, on a scou the piston...
  37. Replies
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    497

    Do you intend to rebuild or remanufacture? ...

    Do you intend to rebuild or remanufacture? Seriously, this is a question that I get asked all the time. We remanufacture. It does make a difference in the quality of the end product.
  38. Replies
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    295

    Did you lose all oil pressure or just see a...

    Did you lose all oil pressure or just see a decline in pressure? The compressor vibrates a little more now than it used to, right? It also sounds different, almost like a little rattle that comes...
  39. Replies
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    8,504

    Is the unloader suction cut off style or hot gas...

    Is the unloader suction cut off style or hot gas bypass style? If it is SCOU, when you put the unloader in the cylinder head did you take the full load tube out of the opening first? I have seen...
  40. Replies
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    8,504

    20 ton Carlyle semi hermetic compressors for air...

    20 ton Carlyle semi hermetic compressors for air conditioning are all 4 cylinder models and can only be unloaded 50% (one head).
  41. Replies
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    8,504

    I would just like to re-state that 1/2 a sight...

    I would just like to re-state that 1/2 a sight glass will cause compressor failure. Consult the green Carlyle service guide on page 12. It states 3/8's MAX and I'm telling you that based on my...
  42. Replies
    97
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    8,504

    Carlyle 06E compressors are extremely sensitive...

    Carlyle 06E compressors are extremely sensitive to oil levels in the compressors. Too much oil will blow gaskets! Blown gaskets cause the compressor to run "burn the paint off" hot. Is this whats...
  43. Replies
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    554

    I've seen compressors withstand abuse from poor...

    I've seen compressors withstand abuse from poor maintenance or shoddy installation work last as long as a year before the bearings finally failed from liquid dilution or prolonged short cycling,or...
  44. Replies
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    1,660

    When you say the oil is quite bubbly the first...

    When you say the oil is quite bubbly the first thing that I think of is oil diluted with liquid refrigerant. Does the compressor trip at a particular time of day (or night?). What else is going on...
  45. Replies
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    470

    There is no oil pick up tube in a Copeland...

    There is no oil pick up tube in a Copeland compressor. Maybe you were thinking of a Carlyle. Underneath the oil pump and to the left is a small diamond shaped cap. Pump down the compressor and...
  46. Replies
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    1,847

    Is the gasket pink in color? We used the pink...

    Is the gasket pink in color? We used the pink ones for a while because they are Teflon coated and release easily. The problem was that in some applications the gasket would squeeze out and not seal...
  47. Replies
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    1,847

    Does the 06E in question use a ring gasket or the...

    Does the 06E in question use a ring gasket or the 4 bolt gasket? Does the compressor have a suction screen? If it is the ring gasket it should go over the suction screen flange not behind it. Also,...
  48. Replies
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    2,416

    I would just like to suggest another way to look...

    I would just like to suggest another way to look at the Trane oil pressure problem.. 40 psi is more than adequate to lubricate the running gear of the compressor and to operate the unloaders. When...
  49. Replies
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    1,146

    GT Jets, Just out of curiousity, what do you...

    GT Jets,
    Just out of curiousity, what do you mean by "a reman POS"?
  50. Replies
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    1,545

    The only problem that I see is that the old...

    The only problem that I see is that the old unloader head has moving parts inside that are contaminated with the residue from the motor burnout. Your Carlyle dealer sold you a Totaline generic...
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