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  1. Replies
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    Gourmet machines still popular in Italy

    Gourmet machines still popular in Italy
  2. Replies
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    6,523

    About 30 years ago had an outdoor condensing unit...

    About 30 years ago had an outdoor condensing unit so loaded with snake and so old we sheared the lines threw a rope on it and dragged it into the woods. In that same area I worked in a dark crawl...
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    1,208

    Before analyzer or 3 in 1 or jumper kit I suggest...

    Before analyzer or 3 in 1 or jumper kit I suggest ohming windings between start common and run and each to ground.
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    early turbo type tips fit the prest-o-lite...

    early turbo type tips fit the prest-o-lite handle. some of mine date back to the 70's.
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    152
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    34,547

    Have used a bunch so far so good keeping my...

    Have used a bunch so far so good keeping my fingers crossed. Really great when reattaching a pumped down system "no fumes". Recently installed an air handler in a way back under eve crawl space...
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    1,238

    As long as oil is not overheated or contaminants...

    As long as oil is not overheated or contaminants added it should last almost forever. Due to filtering, separators and constant temperature monitoring 40 year old ships don't get oil changes. They...
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    1,870

    I have no problems with propane. On the other...

    I have no problems with propane. On the other hand When I started out there were a lot of Sulfur and Methyl Chloride systems in existence. Sulfur was noxious and corrosive, Methyl was well related...
  8. How about certification. And a good...

    How about certification. And a good apprenticeship.
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    35
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    5,412

    Yes today things are a lot different bu even if...

    Yes today things are a lot different bu even if you don't need much pressure to get through the TXV, you still need velocity for the distributor to work. I find many evaps. feeding the bottom coil...
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    1,897

    Technically the sightglass should be located at...

    Technically the sightglass should be located at the expansion valve to prove full stream at valve.A temp drop across the drier and bubbles in the sightglass placed after the drier indicate a...
  11. Thread: Bearing heaters

    by ETC1
    Replies
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    2,095

    damn and all those years I just set them on a 60...

    damn and all those years I just set them on a 60 or 100 watt light bulb in the extra drop light
  12. Thread: Bearing heaters

    by ETC1
    Replies
    26
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    2,095

    damn and all those years we just set them on a 60...

    damn and all those years we just set them on a 60 or 100 watt light bulb in the extra drop light
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    1,409

    have an annie but it's clunky to carry on truck....

    have an annie but it's clunky to carry on truck. Use old robinair bump kits (NLA). New replacements are made by Thermal Engineering I believe it's the 2600 series
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    152
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    34,547

    there is a time and place for all methods of...

    there is a time and place for all methods of connection. That said. Flares are cumbersome and time consuming especially on larger pipe sizes. They are also prone to leakage due to loosening from...
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    152
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    34,547

    10000 square foot independent seasonal grocery....

    10000 square foot independent seasonal grocery. Multiple XJ Copeland units. R404A With poly oil. Done this way for space, sound, power availability, efficiency, and extreme fast track schedule...
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    51
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    2,830

    Semi-hermetics run at half the rpm.s and have...

    Semi-hermetics run at half the rpm.s and have greater mass to absorb heat and vibration. That said it's a great comfort to know your compressor will probably out last your paper thin evaporator.
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    2,158

    Check low pressure control. I have on occasion...

    Check low pressure control. I have on occasion had an LP switch that didn't snap shut causing contactor to chatter and compressor to rock and bounce occasionally. Problem can be intermitent.
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    1,160

    If the MOP TXV is properly sized and set an...

    If the MOP TXV is properly sized and set an accumulator is redundant. With the exception of evap. fan failure or the suction line running through an ambient lower than the superheated suction temp....
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    15
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    1,160

    If the MOP TXV is rated at an outlet pressure...

    If the MOP TXV is rated at an outlet pressure Below Max acceptable suction pressure of the compressor not only is a CPR not required it is contraindicated by Sporlan Valve. If unit is pumped down...
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    1,796

    Some units call for a minimum lineset length for...

    Some units call for a minimum lineset length for their units. I guess
    Mitsu doesn't.
  21. Replies
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    3,461

    The grid machine was sold by scotsman in the...

    The grid machine was sold by scotsman in the 80's. The small undercounter model was rebranded and sold under many names. Kolddraft was common in the maritime industry due to the fact it could make...
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    34,547

    Did a supermarket with these fittings. Am...

    Did a supermarket with these fittings. Am awaiting the introduction of tees and reducers.I will be using these wherever possible. Cost is still alittle high hope it comes down with time and increased...
  23. Replies
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    3,461

    Used to service a Luna Ice Boy in the 80's....

    Used to service a Luna Ice Boy in the 80's. Condensing unit in basement/insulated tank with refrigerated fingers in the bottom. Ice formed on fingers until it made contact with an ice bank t'stat....
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    3,103

    Lp. switches work well as temperature controls on...

    Lp. switches work well as temperature controls on indoor units and in warm locations. Have converted walk in coolers that were frequently left open or overloaded at meal times to this type of...
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    4,172

    what is the box size is it tight what temp and...

    what is the box size is it tight what temp and amount of product is being loaded. I've seen too many under sized units. Box sized for holding is loaded with warm product and accessed like a reach in....
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    Have changed numerous accumulators and receivers...

    Have changed numerous accumulators and receivers due too rust out, both top and bottom on accumulators and mostly bottoms on receivers. Rust is a common problem on Bulk milk equipment. Chinese steel...
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    856

    Have changed numerous accumulators and receivers...

    Have changed numerous accumulators and receivers due too rust out, both top and bottom on accumulators and mostly bottoms on receivers. Rust is a common problem on Bulk milk equipment. Chinese steel...
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    1,672

    Do you take your ham and eggs to the restuarant...

    Do you take your ham and eggs to the restuarant to be cooked. If your going to be a contractor be a contractor. When your cob job doesn't work right it will be because you were incompetent. Not the...
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    6,055

    The question is not whether change is inevitable...

    The question is not whether change is inevitable it is is it well thought out and appropriate. I too am constantly preparing for change. Just try to figure out whether we're making progress or motion.
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    2,441

    Freezing can and sometimes does happen due to...

    Freezing can and sometimes does happen due to lack of traps. The next time you install a new evaporator try reading the install manual it will make you a professional. If people leave doors open etc....
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    2,441

    Nothing like driving 40 miles on a hot humid day...

    Nothing like driving 40 miles on a hot humid day to install a trap on a freezer drain to stop coil ice up and allow box to go down to temperature. Why would anyone want their freezer to draw warm...
  32. Replies
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    6,055

    just completed an 18 unit install all copeland...

    just completed an 18 unit install all copeland XJAL and XJAM R404A in less than a year this job will be prohibited. How do you plan large jobs. Where are the Propane,CO2, and Ammonia prep classes. I...
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    Might want a receiver for pump down. 12' coil...

    Might want a receiver for pump down. 12' coil probably needs 10 to 15 lb. to operate properly
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    1,304

    metal cover is factory it protected ceiling Many...

    metal cover is factory it protected ceiling Many of these evaps. were mounted in wooden boxes
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    1,304

    Unit should be against ceiling air is drawn thru...

    Unit should be against ceiling air is drawn thru the coil and blown across the ceilng and dropping down the walls. This creates a thermal envelope
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    10,095

    You built what is called a surge receiver it's...

    You built what is called a surge receiver it's an old design congratulations for your ingenuity.
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    18,370

    March 2011 I wrote about liking my 2010 Transit...

    March 2011 I wrote about liking my 2010 Transit Connect. Unfortunately Labor Day 2013 A NY State Trooper directed me across traffic into the path of a mini van thus totaling both. The ford had 99000...
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    Transport refrig is a wide temp range unit 401B...

    Transport refrig is a wide temp range unit 401B is an R12 replacement good for low temp Mp39 isn't. why reinvent the wheel 401b is still available. It
  39. Thread: DOT cylinder

    by ETC1
    Replies
    2
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    721

    While it is possible to refill bottles that are...

    While it is possible to refill bottles that are pre- check valve. It would be illegal to transport these as per DOT rules. These are disposable and say do not refill. I would consider safety and...
  40. While I know how to use gauges a thermometer and...

    While I know how to use gauges a thermometer and apt chart After 50+ years. I bought 2 of these for my service trucks. Using them is fairly straight forward. My son had to help me with the bluetooth...
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    Look to Europe for the answers. Already using HC...

    Look to Europe for the answers. Already using HC refrigerant for several years.
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    2,383

    still have several camps and stores with these in...

    still have several camps and stores with these in use, Built with real copper about 60 years old and not porous or cracked.
  43. Thread: freezer defrost ?

    by ETC1
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    3,524

    Walk in or case depends on design Some cases stop...

    Walk in or case depends on design Some cases stop fans on temp.
  44. Match testing for methyl cloride. Don't miss the...

    Match testing for methyl cloride. Don't miss the smell of SO2.
  45. Replies
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    2,102

    cut in for to highest box temp set cut out...

    cut in for to highest box temp set cut out approx. 20 degrees lower. fine tune from there. Make sure that condensing unit ambient doesnt drop below about 55 degrees
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    1,366

    Semi critical charge. Short charge sub cooling...

    Semi critical charge. Short charge sub cooling valve throttles back too far at lower ambients. over charge causes floodback. Charge listed in manual. Many tanks I've worked on are installed...
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    1,366

    Mueller Tank it is a subcooling valve

    Mueller Tank it is a subcooling valve
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    6,096

    I own 2. Run about 1200 miles a week in season...

    I own 2. Run about 1200 miles a week in season with each, First summer with both so far so good. If these hold up as well as the 2010 model they will pay for them selves in operating savings. Maybe...
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    Gotta laugh I would advise letting someone else...

    Gotta laugh I would advise letting someone else be the butcher and finding work that allows you to make an honest profit. While showing you are not a moron that does sh-t work.
  50. Many of todays tools didn't exist when I started...

    Many of todays tools didn't exist when I started out. Many of the new tools are great improvements but many are security blankets. Tools don't make good mechanics. Knowledge makes good mechanics. I...
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