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  1. Replies
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    I saw a 250 KV underground Static line [connects...

    I saw a 250 KV underground Static line [connects two power plants] get bored into just outside the Talleyrand Generating station. The bore pierced the concrete wall of the underground splice and then...
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    About 30 yars ago, we started an in-place...

    About 30 yars ago, we started an in-place rebuilding of a scrambled 100HP 8cyl E model compressor late one afternoon and finished the cleanout about 3 or 4 AM.

    We bolted the hand-hole covers on...
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    2,438

    I agree, why jepordize a Customer's expensive...

    I agree, why jepordize a Customer's expensive system trying to save a buck or two?
    When I was a Teen [40+ years ago] working for my Father's company, a slick salesman at a supply house was...
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    Work great!

    Work great!
  5. Replies
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    We have tried just about every machine on the...

    We have tried just about every machine on the market and for now we are standardizing around the Appion due to the fact that the bearings are not inside the acidic refrigerant flow.
    We have had...
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    H10 has been the best for 30 years.

    H10 has been the best for 30 years.
  7. Replies
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    2,282

    Trane used to have a full color book "Why...

    Trane used to have a full color book "Why Compressors fail" that was the best I have ever seen. You would just match the picture to your failed compressor and it gave you the suggested causes.
    It...
  8. You again missed my point which was; ask...

    You again missed my point which was; ask questions when you don't understand why a solution is suggested.

    Maybe someday you will meet someone who you can learn something from.
  9. I only pointed out your lack of full deductive...

    I only pointed out your lack of full deductive reasoning and not asking questions instead of trying to assert ability [physical and mental] you do not have.

    Maybe you can run for President, you...
  10. I did not make a mistake, I never suggested that...

    I did not make a mistake, I never suggested that newer Lieberts used HGB unloaders. I EVEN mentioned that Lieberts can suffer from cut-off unloader leaks. Many older Carriers had HGB unloaders with...
  11. We have a bunch of N+1 and N+2 sites where the...

    We have a bunch of N+1 and N+2 sites where the AC8 or Sitemaster constantly has some equipment in standby.

    For locational reasons the site operations do not want them in a rotational schedule,...
  12. Not putting a discharge check valve [which...

    Not putting a discharge check valve [which many/most of the older 6D/6E Carrier units used to have] and letting a compressor fail due to rapid cycling is a poor practice, much worse than a "band...
  13. High condensing pressures cause high condensing...

    High condensing pressures cause high condensing temps. The valve plate has a higher temp than the discharge line. At 300*F the refrigerant and oil break down to form acids whether there is moisture...
  14. Replies
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    12,639

    Ntirogen requires a lot of energy to make a...

    Ntirogen requires a lot of energy to make a chemical bond, inversely it releases a lot of energy when you break the bond [many potent explosives are nitrogen based]. I have seen CO2 eat through a...
  15. Replies
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    12,639

    No, I had our Welding gas delivery company set...

    No,
    I had our Welding gas delivery company set up a bulk refill station that used a 150#? bulk cylinder to refil with. I had to train our Techs on not overfilling. We also have a CNC Hi-Def Plasma...
  16. Replies
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    12,639

    I actually bought a dozen small 10 pound forged...

    I actually bought a dozen small 10 pound forged aluminum tanks with a carry rack [like our Oxy-Acet torches have].

    BTW when we first started playing paintball [about 20 years ago] we used...
  17. Replies
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    12,639

    Bristol was also the first one to try Acid-Away...

    Bristol was also the first one to try Acid-Away too and was going to recommend it until Carrier and Trane found it generated salts in the lubricant.

    The same Bristol Literature talks of installing...
  18. Replies
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    12,639

    I still have not found a single Engineer, ASHRAE,...

    I still have not found a single Engineer, ASHRAE, ASME, ASTM, SAE or a "Best Practices" standard that even suggests using any grade of CO2 in brazing copper.

    I am not a trailblazer into the...
  19. Replies
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    12,639

    Hate to disagree, but I disagree. The...

    Hate to disagree, but I disagree.

    The Engineers control what methods and materials are to be used on any Spec job, that is why the Owner hires them. Hopefully you know that or only stick to...
  20. Replies
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    12,639

    CO2 in welding is a 75%-25% mixture. The CO2...

    CO2 in welding is a 75%-25% mixture. The CO2 being acidic cleans the steel and the 25% argon acts as a shield gas.
    I have not seen a set of Engineer's spec yet that allow CO2 inside of a brazed...
  21. Thread: Shaft failure

    by JRINJAX
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    1,721

    While I have never drilled an indent into the...

    While I have never drilled an indent into the shaft, I always super-tighten and release the set screws several times which generates a "coin mark" on the shaft and can help it not to release. The...
  22. Thread: Shaft failure

    by JRINJAX
    Replies
    15
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    1,721

    If a shaft is long between the bearings and small...

    If a shaft is long between the bearings and small diameter with a large wheel, it can act like a "skip rope" which will unlock the locks on the bearings. Seen it many times.
  23. Replies
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    FYI, One of the most agrivating problems we had...

    FYI,
    One of the most agrivating problems we had on a 06E/suction cut-off on a chiller was an intermittant compressor tripping. We finally just had to wait until the breaker tripped [which was due to...
  24. Replies
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    Thanks much, hopefully they will spend the...

    Thanks much, hopefully they will spend the support time to get it right.
  25. Replies
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    7,618

    SC

    We just installed a SC with 9 MP580s and a RTAC. The SC has been disappointing so far and when the firmware was upgraded to speed it up [painfully slow due to Java] it crashed and the site was down....
  26. Thread: carrier v.v.t.

    by JRINJAX
    Replies
    12
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    1,604

    It just means you have a damper problem on that...

    It just means you have a damper problem on that zone. The stat senses if the damper opens and closes properly, if not it throws a HF02 or 03 code. Take 24v power off the damper and then put it back...
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    On the older RADARs yes, but on the newer ones it...

    On the older RADARs yes, but on the newer ones it will pick up a good return from the engine block.
    The newest ADS can spot "Stealth" by analyzing background returns from multiple networked ground...
  28. Replies
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    My brother gave me a couple of "spent" Vulcan...

    My brother gave me a couple of "spent" Vulcan barrels off of the choppers in which he he flew SAR in VN. They made a great pry bar since they were so hard.

    A wooden aircraft would still generate...
  29. Replies
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    Actually the rotor wash hit the walls to the...

    Actually the rotor wash hit the walls to the compound and was recirculated upward above the rotor and then sucked as a swirling vortex back through the blades. The true-airspeed of the rotors was...
  30. The money collected from gas, tags, excise taxes...

    The money collected from gas, tags, excise taxes are more than enough to pay to maintain new roads. It gets diverted into Social programs and Eco-projects that have nothing to do with roads. More...
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    New OBL cocktail....

    In Honor of our Navy SEALS....

    New Bin Laden cocktail=two shots and a splash of water.
  32. Replies
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    Many places in the world they squat in a hut or...

    Many places in the world they squat in a hut or sleep in the sun all day instead of getting up and going to work like Americans USED to do...The Pilgrims had a BIG NOTHING when they came over and...
  33. Replies
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    Thanks for the info, it sounds like our Companies...

    Thanks for the info, it sounds like our Companies are much alike. We have been in Business since 1965 and have moved over the last 20 years from Industrial-only to Commercial-Industrial to make us...
  34. Replies
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    Due to our lower cost-of-living, 60K plus...

    Due to our lower cost-of-living, 60K plus overtime with benefits like a really good HSA, 401K, Company paid Vacation/personal days and a take-home truck is top pay. Especially when few companies are...
  35. Replies
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    I did not mean to upset you, but what you deem is...

    I did not mean to upset you, but what you deem is the qualifications of a "SuperTech" is only a Trainee for us, and would be a morale problem with our Apprentices if "he" was paid the Journeyman's...
  36. Replies
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    That seems to be very true. If the Republicans do...

    That seems to be very true. If the Republicans do cut the budget like Ryan has plans for, I think that the Welfare Programs everyone is addicted to drying up will cause riots just like we have seen...
  37. Replies
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    Maybe I am getting too soft in my old age but the...

    Maybe I am getting too soft in my old age but the Summer heat here in Jax is brutal. Changing condenser coils/compressors on very large RTUs is tough when it is mid July. We try to send a young...
  38. Replies
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    Maybe you now understand why he did not get a...

    Maybe you now understand why he did not get a call back! I have not interviewed anyone who I thought was remotely a SuperTech, maybe you just thought you were!
    BTW, do you really think a SuperTech...
  39. Replies
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    We are unusual, both our Construction, Small...

    We are unusual, both our Construction, Small Projects and Service Departments have been very busy. Many of our competitors have either been wounded badly or have gone belly-up.

    Usually "Service"...
  40. Replies
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    Most of the guys that felt they were too old were...

    Most of the guys that felt they were too old were in their late 50s. It really gets brutal as they get older working on the building's roofs all day when it is 100* and bright sun.

    Working inside...
  41. Replies
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    That is funny, we have experienced the same...

    That is funny, we have experienced the same thing. We have several people in our Fab shop that live in Georgia [100 miles round trip] and a Salesman that moved to ST Augustine....

    I bet they would...
  42. Replies
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    That is a rain guard that melted. The motor is...

    That is a rain guard that melted. The motor is probably seized an the thermal protection is not working too well.
  43. Replies
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    Is there really a 10% unemployement rate?

    I have a Tech retiring in June and put up an ad in all of the supply houses and Monster.com for 3 positions [business is good enough to warrant the 2 extra Techs].

    These are high paying positions...
  44. Thread: HOSPITAL HVAC

    by JRINJAX
    Replies
    48
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    5,491

    The high energy particles can do impact damage to...

    The high energy particles can do impact damage to the DNA in living organisms but does not have the ability to leave any lingering radioactivity [Ie... Isotopes].
    The hair loss is probably due to...
  45. Thread: HOSPITAL HVAC

    by JRINJAX
    Replies
    48
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    5,491

    The Particle beam machines are like the Gamma...

    The Particle beam machines are like the Gamma Knives and Proton Beam Surgical machines that emit intense radiation. We have Xray CAT scan rooms where the walls are lead up to 1 foot above the...
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    We have pretty much all of the versions, but they...

    We have pretty much all of the versions, but they are all Copyrighted.
  47. Thread: HOSPITAL HVAC

    by JRINJAX
    Replies
    48
    Views
    5,491

    We do an awful lot of Imaging rooms and the Xray...

    We do an awful lot of Imaging rooms and the Xray scan room needs leaded walls above the exposure level [usually to the top of the walls]. If it is a particle beam room the whole enclosure needs to be...
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    That was probably a mock-up model [like the old...

    That was probably a mock-up model [like the old Godzilla movies] that was shown so that the Chinese could sell our Military a lot more stuff to try and "keep up with them". Without Chinese manufacted...
  49. Replies
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    At first glace that looks like a natural draft...

    At first glace that looks like a natural draft RTU instead of a induced draft.
  50. Munthers told us the wheels last for [I think] 8...

    Munthers told us the wheels last for [I think] 8 years with the proper maintenance and cost about $4K. I do not know for sure since I don't know who from Munthers was on the other end of the phone....
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