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  1. A few pics of from the scroll manual and my notes...

    A few pics of from the scroll manual and my notes concerning lubrication on sealed hermetics/recips VERSUS scrolls.
  2. On recips, it doesn't matter. As for scrolls, the...

    On recips, it doesn't matter. As for scrolls, the oil is drawn up the center shaft on most and the inner shaft is grooved to facilitate this. This is from the Emerson Scroll class I attended a month...
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    X terminal for Carriers is much like the L...

    X terminal for Carriers is much like the L terminal for Lennox.....just an OPTIONAL terminal that is energized when a fault has occurred, can be simply used to either illuminate a "trouble/fault" LED...
  4. Thread: New House

    by slctech
    Replies
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    2,214

    Even the plumbers were beaten down to do sub-par...

    Even the plumbers were beaten down to do sub-par work. The plumbing and flue for that water heater is a mess. Good luck changing out the expansion tank...usually you see nice soldered copper to...
  5. Thread: New House

    by slctech
    Replies
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    2,214

    Something fishy about the TEMP RISE written in...

    Something fishy about the TEMP RISE written in black marker on the plenum??? Wrong place to take it for one and can't understand why they advertise it. Tends to tell me that it was never performed,...
  6. Our company as of a year ago will not except or...

    Our company as of a year ago will not except or allow us to work on ANY restaurant's equipment. To many bigger fish to catch than deal with every single one of the cheap non-paying nut job restaurant...
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    I attached them all in this thread ...

    I attached them all in this thread

    http://hvac-talk.com/vbb/showthread.php?1711071
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    If you watch ebay, those decade boxes pop up a...

    If you watch ebay, those decade boxes pop up a dime a dozen. Upgraded a few years back from my old switch type to a rotary for about $15.00.
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    I think if your working on critically charged...

    I think if your working on critically charged small equipment where a small amount of mix-matched oil may do some harm (doubt it) may want to watch which Nylog one is using. But I just carry the...
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    Nylog is one of those things in our industry that...

    Nylog is one of those things in our industry that has been around for a long time. I was turned on to Nylog accidentally when I was seeing a friend off at the Air National Guard facility to a tour in...
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    Economization has been around longer than comfort...

    Economization has been around longer than comfort cooling. Got my crash course back in the days on old buildings downtown that were constructed in the 1910's and 1920's, that have monster Chicago...
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    Economization is the preferred method of low...

    Economization is the preferred method of low ambient cooling. A minimum of single enthalpy is required as stated by Bazooka, and dual enthalpy control is preferred. And using outdoor air change-over...
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    Beat me to it!

    Beat me to it!
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    There are quite a few different methods to...

    There are quite a few different methods to residential low ambient control. Depending on the method, controls, accessorial parts, and labor to install, it is impossible to say what is fair and what...
  15. Thread: Oil Pump

    by slctech
    Replies
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    418

    I see that were talking about transfer pumps...so...

    I see that were talking about transfer pumps...so ignore my last post. Went out in the garage and the one I have setting on the shelf is an old Comstar brand transfer pump.
  16. Thread: Oil Pump

    by slctech
    Replies
    3
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    418

    I just use the Y/J hand pump, have had the same...

    I just use the Y/J hand pump, have had the same one for years. I had the hand pump that had a U tube dip stick, but sometimes it was a pain to manage both the container and pump. I ended up getting...
  17. As you stated, they really are just like an...

    As you stated, they really are just like an automotive engine. Crank, rod, pistons, valves, and oil pump. They seem really scary to the newbies, but are much easier to work on and I favor them a lot...
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    Whats the Ranco/JCI pressure control I see there...

    Whats the Ranco/JCI pressure control I see there used for? Hopefully High Pressure??????
  19. Replies
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    1,636

    Nice...thanks for sharing. I don't even want to...

    Nice...thanks for sharing. I don't even want to guess, whomever did this went through a lot of trouble to seal that sucker off! Silicon and cinder blocks. Sometimes, I think about horror movies where...
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    Love garage tinkering...great job. I remember...

    Love garage tinkering...great job. I remember when I built my ECM motor tester long before GE/Beloit came out with their TecMate and Zebra came out with their tester, should have patented the idea....
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    If I had a facility that I was maintaining, I...

    If I had a facility that I was maintaining, I would collect every manual into a binder or computer, too. So get your post count up and get PRO status and send RUNDAWG and I a list of what you need...
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    We do. He is a good man.

    We do. He is a good man.
  23. Replies
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    The one and only......who else, of all the people...

    The one and only......who else, of all the people in this industry, you know I am the only one insane enough to not only do this crap for a living, but come home and live the nightmare every evening...
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    Yes, S = Self Contained (Roof Top Unit) F =...

    Yes,

    S = Self Contained (Roof Top Unit)
    F = Cooling with Heat Package
    C = Convertible unit for both DownFlow or Horizontal Supply/Return
    A = Sequence or Revision by Manufacturer
    75 = 7.5 Tons...
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    I need to find the report on water sublimation....

    I need to find the report on water sublimation. It talks about introduction of a inert gas that will cause the frozen water to flash back to a gas. Just as the high vacuum caused the water to go...
  26. Replies
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    No issues...worried about it myself back when...

    No issues...worried about it myself back when tinkering. Changed a few things since on the Y/J fittings. The ball valve service fittings are garbage and leak from the valve. So got rid of those and...
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    Key is to walk into a industrial/hydraulic hose...

    Key is to walk into a industrial/hydraulic hose and fitting supply house. In these places, the sky is the limit! They have every fitting and valves that a man can ask for. Have hoses made, grab the...
  28. Not a Goodman design for once, just a re-branded...

    Not a Goodman design for once, just a re-branded Daikin with good old Japanese engineering:whistle:
  29. Badgers!...

    Badgers!
    https://www.youtube.com/watch?v=gx6TBrfCW54

    I hope the OP replaced that blower wheel, even after cleaning that thing looks pretty hammered.
  30. Majority of your larger tonnage split system...

    Majority of your larger tonnage split system condensers will be shipped with nothing more than the factory nitrogen charge. This is the case with both cooling and refrigeration equipment. Due to the...
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    I was trying to wake up this morning to a whole...

    I was trying to wake up this morning to a whole new week of work ahead. Drinking my coffee and reading a few jokes in that forum and Mr Bill's joke, for some reason just put a big smile on my face. ...
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    Thank you Mr.Bill for the joke, it put a smile on...

    Thank you Mr.Bill for the joke, it put a smile on my face this Monday morning. Get better my friend so you can come back and keep us laughing and thinking some more. God be with you and your family....
  33. x2

    x2
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    Hey, at least they tried to spray paint the gas...

    Hey, at least they tried to spray paint the gas line...oh well part of it, oh and everything else around it.

    Simply an atrocity no matter how you look at this thing.
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    Probably PVC or ABS pipe expanding with heat,...

    Probably PVC or ABS pipe expanding with heat, probably what the HO is hearing. Common when PVC or ABS is strapped tight in an interior wall, as it grows in length it will make nuisance pops at times...
  36. Thread: Errrrr

    by slctech
    Replies
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    1,663

    Laughing to myself imagining the look on your...

    Laughing to myself imagining the look on your face as it all finally dawned on you what we were all talking about.
  37. Testo 104.......going on two years and not an...

    Testo 104.......going on two years and not an issue. Rugged, accurate, water-proof, and very very happy with it.
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    You'd buy one and you know it my friend...LOL

    You'd buy one and you know it my friend...LOL
  39. Replies
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    How would it be to be a fly on the wall at Home...

    How would it be to be a fly on the wall at Home Depot, when the guy was talking to the HD helper.
    "Help you find something?"
    "Yeah, looking for someway to fit two pipes together, they are about...
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    3,532

    That, too.

    That, too.
  41. Thread: Errrrr

    by slctech
    Replies
    27
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    1,663

    WOW.....RTU with GAS in an attic!!!! And 1 foot...

    WOW.....RTU with GAS in an attic!!!! And 1 foot clearances, to boot!!! This is what happens when the owner is CHEAP and wants to add a gabled new roof over the existing old flat roof.
    :worthless:
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    Your next invention should be to figure out how...

    Your next invention should be to figure out how to make that dog collar a little more fashionable so we can sneak it onto our wives!
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    Betcha the innards of that valve are pretty well...

    Betcha the innards of that valve are pretty well cooked. Never understood when someone is half a minute in to brazing that they can't notice that it is not flowing and either need to do some better...
  44. I know what your working on, have worked on...

    I know what your working on, have worked on similar warehouse units, but have never heard of King Air. Most are using a 3rd Party burner in conjunction with Honeywell burner control.

    SO my...
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    Mechanical name-brand wrench.

    Mechanical name-brand wrench.
  46. I thought the SHAME came from using 2x4 and 4x4...

    I thought the SHAME came from using 2x4 and 4x4 wood as pipe supports on that membrane roof...hate that!
  47. That is some scary stuff. Curious as to what it...

    That is some scary stuff. Curious as to what it looks like behind the electrical junction box cover? That would be a sight!

    Guess they did not notice the conduit through the concrete pad they...
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    There are a few causes for the appearance of oil...

    There are a few causes for the appearance of oil streaks around semi-compressor gaskets, especially around head gaskets.
    1) left over residue applied to gasket during re-manufacturer process that...
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    ZoneFirst is very straight forward. Do like the...

    ZoneFirst is very straight forward. Do like the test buttons right at the output of the board to each zone to test the strokes of each damper.
    If a barometric dampered by-pass is required, do like...
  50. Thread: Getting hit on

    by slctech
    Replies
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    2,520

    I never did collect from Mrs Robinson. She was...

    I never did collect from Mrs Robinson. She was killed in a car accident a few years later; intoxicated and rolled her convertible Mercedes down Parley's Canyon on I-80, no safety belt.
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