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  1. Replies
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    General rules of thumb are a great starting...

    General rules of thumb are a great starting point, but manufacture specific info is the key. A "good" tech knows were to get the info, their limitation and calls in the right resources to best...
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    Power wash it clean of all oil. Leak check it and...

    Power wash it clean of all oil. Leak check it and if no leaks monitor to see if this mess is from a previous repair or a new leak thats intermittent.
  3. Screw ups are how you learn. I aways tell the...

    Screw ups are how you learn. I aways tell the apprentices that you just get better at covering up your mistakes as you get more experiance. The one that stand out the most in the early years to me...
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    I'm planning on stopping back next week to the...

    I'm planning on stopping back next week to the site, I don't have the numbers with me. But I have been maintaining this machine for awhile and both circuits run the same when logged. Even now the...
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    The exstent people will go to!!!!!

    I laugh at how far people will go to hack a job instead of fix/install it properly. We all see this daily and have to wonder? Murphy's law " A short cut is the longest distance between two points"...
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    Thanks Klone for the reply. Yes this a recip, and...

    Thanks Klone for the reply. Yes this a recip, and yes the manufacturer was contacted and they didn't know! Seems to be more and more common now that the old boys are all retired. Back in the day an...
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    bitzer compressor

    Hi All, I am working on a chiller with two separate stages / shared evaporator. The issue is that the second stage has excessive foaming while running in the oil sight glass. The tx valve was changed...
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    weighing the charge in is most accurate.

    weighing the charge in is most accurate.
  9. Replies
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    Do you work for JCI? I do and recently went on a...

    Do you work for JCI? I do and recently went on a course, the teacher was awesome!! Lots of real word experience and know how.
  10. Replies
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    sounds like a overcharge is a good guess. Check...

    sounds like a overcharge is a good guess. Check your charge when it's running,the info is in the manual.
  11. Replies
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    I feel your pain! Been their, done that, got the...

    I feel your pain! Been their, done that, got the shirt!!!
  12. Replies
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    612

    Fantastic product! Gaurentied payback for the...

    Fantastic product! Gaurentied payback for the customer by inproving valve response to the load and overcoming poor combustion pionts on the traditional linkage curve. Make sure you do your homework...
  13. It's not good seeing someone hurt and down and...

    It's not good seeing someone hurt and down and out. But remember safety is up to all of us!THe only one responsible for your safety is YOU!!! Lockout, fall arrest,arc flash ect we all play the odds....
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    we all have been in your shoes, you can buy cheap...

    we all have been in your shoes, you can buy cheap tool several times over or buy quality tools that last. You really need several meters, the all in ones do most things okay but nothing well. Spend...
  15. Thread: free coolers

    by overhaul
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    504

    free coolers

    I have an idustrial customer that runs chilled water at 60F year round for thier process. A free cooler /drycooler would have a hugh pay back in this example, here our average temp for the year is...
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    As said check the pilot. Usaulally the flame safe...

    As said check the pilot. Usaulally the flame safe guard gets the bad rap when other things are wrong. If every thing else has been replaced change companies they do not know what they are doing. If...
  17. Thread: O6E Troubles

    by overhaul
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    1,407

    sounds like problems interally on compressor....

    sounds like problems interally on compressor. Replace it, do a proper clean up of system and find out what caused the ploblem. Always take the old compressor apart and analyse it.
  18. Thread: r-11 leak

    by overhaul
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    1,691

    to check welds and metal sheeting for small...

    to check welds and metal sheeting for small inperfections would ultrasound work. Had a job once that a heat exchanger had issuses and all simple testing came back fine, but symtons still excisted....
  19. Thread: customers ??

    by overhaul
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    Thanks for the replies! As you all say, if done...

    Thanks for the replies! As you all say, if done correctly it is ultamitly the customers choice. I feel, at most shops mechanics biuld and have the bulk of the relationship with customers. Business is...
  20. Thread: customers ??

    by overhaul
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    customers ??

    When quitting a job what is a resonable time to approach customers? As you all know, the mechanics that go out night and day, pulling off the impossible keeping equipement running build strong...
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    The job sounds straight forward to me. I am one...

    The job sounds straight forward to me. I am one of the guys that gets it gone, and right, no short cuts. The big thing I find with any bid is a detailed bid and comunicate with the customer. If any...
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    you're probably going to have to remove...

    you're probably going to have to remove compressor drain the oil and remove the belly pan. This was you can inspect the pick up screan and tubing. My guess is copper fillings or the pick up fell off.
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    I agree with others. Not a bad tool but budget...

    I agree with others. Not a bad tool but budget oriented.I would not condem enything using it , it's just not dependable or reliable. I had one and always second guessed it. You can really get burnt...
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    You may have a leak? But you have to remember...

    You may have a leak? But you have to remember when using a micron gauge, if the system pulls 100 microns it then has to hold with the pump off. The miosture in the system releases slow. If after say...
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    Need some more info, but are you takling about...

    Need some more info, but are you takling about Lieberts? If so, I think you are referring to units confiquered "gylcool or econocool" . Go to Leiberts' site and grab a manual it"ll tell you exactly...
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    Lennox gets my vote also! Trane would come in...

    Lennox gets my vote also! Trane would come in second and as previously noted Carrier is job securety for all of us, being they are always needed repair.
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    have worked on one. Alot of problems just after...

    have worked on one. Alot of problems just after start up. Seemed over controlled/complicated for its purpose. The customer choose this unit over a Liebert and found out first time, second time and...
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    the best way to see if the float is set...

    the best way to see if the float is set correctly is to close up the unit, run it and go into " diagnostics". Go to" show inputs " and you can monitor swich status real time. Once you think you...
  29. Replies
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    install a second fan ccling control on stage 2...

    install a second fan ccling control on stage 2 and wire the switches in parallel. This will cycle the fan if either stage requires it. Not perfect setup but it works.
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    is the gas pressure rating on the valve correct...

    is the gas pressure rating on the valve correct for the aplication? Did you go back to the as builds and checked what valve was ogininally shipped with the boier to see if some where along the line...
  31. If your in Toronto call the local .They have a...

    If your in Toronto call the local .They have a pre aprentice program that will train you and land you a job at the end.

    Local 787 Refrigeation Workers of Ontario
    419 Deerhurst Drive
    Brampton,...
  32. Replies
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    liebert

    Go into diagnostics and do a micro processor self check. If it passes your boards' memory could just be scrammbled. So call liebert tech support get them to walk you through the dumping sequence that...
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    gordon piatt burner info

    Does anyone know of a site for burner info on a B8 manual. I'm looking for manifold pressure and burner dimension settings. Thanks!
  34. Replies
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    eclipes burner

    have been in your shoes also! Some of the things that worked for me where, use a megger to varify you flame rod and wire are not leaking to ground lowering your signal. Reguardless of what the manual...
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    linkageless burner control

    We just started a new job, our first linkageless install on some make up air units. The supplier we are working with set us up with the honeywell product line. Day one went well a easy install other...
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    call the 1-888# for liebert and give them the...

    call the 1-888# for liebert and give them the line sizes and lengths get their two cents. Have had recent liebert installs were I'm sure the factory spec called to have two mufflers installed just to...
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    your making me feel old!!! I remember when the...

    your making me feel old!!! I remember when the big decision was do you buy the 7.2 volt, for service or lite duty or do you really need the 9.6volt?? Heck today most guys have two. I have a 18 volt...
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    if you set a multimeter to amps and hook the...

    if you set a multimeter to amps and hook the leads in series it will act as a jumper. Many years ago remember doing this to set heat antisapaters on thermostats.
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    that ridgid wrench works great, have had mine for...

    that ridgid wrench works great, have had mine for 10 years or so and still amaze mechanics with its uses, tx valves being only one!!!
  40. Replies
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    I'm 32 and working union.

    I'm 32 and working union.
  41. Replies
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    considering working for a hvac manufacturer

    Just wondered what light you guys could shed on the topic of working for a manufacturer like trane or carrier.The present company I'm working for gets into some really interesting eguipement with a...
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    meters

    I agree Fluke meters are the way to go! They last for forever and never have a problem with then. If your work requires calibrated meters flukes meets the requirement. Accurate, simple and safe to...
  43. Thread: union

    by overhaul
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    Union here too. More pay and benifits for the...

    Union here too. More pay and benifits for the same job.
  44. Replies
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    all you have to see is one gasket failure (the...

    all you have to see is one gasket failure (the bigger the system the more it $$ it costs) to realize to do it right the first time takes little to know effort, just a tool. It's a no brainer, your...
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    sounds like your talking about a johnson rotary...

    sounds like your talking about a johnson rotary air unit? The company and unit support can be found at Johnson-marcraft.com or 1 800 325-1303, hope this helps.
  46. Thread: Trane RTU

    by overhaul
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    Have had a couple voyager series rtu's do strange...

    Have had a couple voyager series rtu's do strange thinks for me also. Contacted our train offfice in are area and talked to our guy. He by chance had stacks of main processer boards under his desk ...
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