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  1. 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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    1,252

    is it really copper or is it cuppernickle

    is it really copper or is it cuppernickle
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    1,139

    First I love open compressors. When I started in...

    First I love open compressors. When I started in refrigeration most hermetics were on domestic refrigerators and small equipment. I was always told they were developed to make the cap tube feasible....
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    13
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    798

    9w cw 115v Supco 671 Other 50 or so in shop or...

    9w cw 115v Supco 671 Other 50 or so in shop or at wholesalers will take special motors with me too job if I'm at shop and know what I might use. Truck weight is cost shop wear is a cost. Load...
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    16
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    727

    I was taught receiver size with the receiver...

    I was taught receiver size with the receiver outlet closed and system pumped down to 0 psi the receiver should not exceed 80% full. Changing undersized receivers is not required as a second receiver...
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    1,617

    I started my business in rural NY in 1979 by...

    I started my business in rural NY in 1979 by going to potential customers introducing myself and giving them my card. I gave them a brief summary of services I offered. I told them if they were...
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    664

    Pressure is limited by pressure rating of system,...

    Pressure is limited by pressure rating of system, old R12 hermetics were rated at 150#
  8. Replies
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    1,869

    I don't find breakers by shorting. I've located...

    I don't find breakers by shorting. I've located too many 14 wires attached to 60 or 80 Amp three phase breakers with no other wires think of the fire hazard in an old building with old over fused...
  9. Thread: Milk bulk tank

    by ETC1
    Replies
    10
    Views
    1,462

    What part of thermostat is failing if it is the...

    What part of thermostat is failing if it is the points it is possible that it is a DC control circuit requiring snap action points to avoid burnout.
  10. Due to lack of reciever capacity clearing the ...

    Due to lack of reciever capacity clearing the sightglass before boxes are at temp will back liquid up in the condensor as the expansion valves throttle back. This is the most likley cause of...
  11. Static coils require a large amount of...

    Static coils require a large amount of refrigerant. Most non-factory installations have undersized recievers.These coils can run as low as 5degrees. Allow boxes too pull temperature then check...
  12. Thread: Opinion

    by ETC1
    Replies
    11
    Views
    734

    Try 1 thermostat and a time delay on solenoid of...

    Try 1 thermostat and a time delay on solenoid of unit #2. Lead lag in my experience assures that both compressors wear out equally. I don't seethis as an advantage.
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    438

    Freezer is atleast 20 years old I believe Raetone...

    Freezer is atleast 20 years old I believe Raetone is gone for atleast as long. Before putting money in box check for availability of other parts. Its hard to explain to a customer you can't get door...
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    1,679

    Filling the reciever will make for interesting...

    Filling the reciever will make for interesting start up. Remove reciever and install cap tube drier or some other access for highside. In the 80's I serviced an ice bank bulk tank with captubes and...
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    1,401

    in rural America Smart phones are an expensive...

    in rural America Smart phones are an expensive decoration. First you need cell reception then it's nice If most of the population is not on dial up if they even have a computer.
  16. Thread: tubing bender

    by ETC1
    Replies
    20
    Views
    1,453

    The only problem with a ratchet bender is it...

    The only problem with a ratchet bender is it doesn't allow bends greater than 90 degrees. I use offset bends entering penetration.and in corners. I also do a lot of piping inside units requiring...
  17. Replies
    7
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    525

    A solenoid on a scotsman flaker would be an added...

    A solenoid on a scotsman flaker would be an added cost that would add extra service and unnecesary electrical consumption. Float valves are a proven system. They are used in toilets, cooling towers...
  18. Replies
    7
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    525

    The float valve shut stopping the water flow. If...

    The float valve shut stopping the water flow. If it doesn't replace the valve
  19. Replies
    7
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    525

    Flakers require a gonstant water level. They make...

    Flakers require a gonstant water level. They make ice continuously therefore using water continuously. A solenoid valve would cause problems not a solution.
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    1,566

    Saw these at Chillventa in Germany in 2010. Was...

    Saw these at Chillventa in Germany in 2010. Was told they would be in the states soon. Still waiting
  21. Thread: snoop??

    by ETC1
    Replies
    7
    Views
    1,001

    i started using Snoop in 1974. It comes in...

    i started using Snoop in 1974. It comes in galllon jugs and refillable squeeze bottes ith a pullout applicator tube. Its low viscosity alows for easy application and pinponting small leaks. As with...
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    3,091

    In my world units are undersized Boxes are...

    In my world units are undersized Boxes are poorly insulate with leaks,loaded with hot steaming food etc. On Indoor condensing unit temp was frequently controlled by the LP switch. I have placed...
  23. Replies
    19
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    2,729

    5 -10 to Psi indicates low airflow low charge or...

    5 -10 to Psi indicates low airflow low charge or partially plugged drier or cap tube. Due too hot location of condensing unit and POE oil I would suspect a cap tube problem.
  24. Mars used to sell a multi voltage contactor with...

    Mars used to sell a multi voltage contactor with a built in multi tap transformer keep one on each truck for such emergencies
  25. Thread: dual capacitor ?

    by ETC1
    Replies
    41
    Views
    4,804

    If you have ever worked on old equipment...

    If you have ever worked on old equipment manufacturers frequently used multiple capacitors. Of course they mounted them properly. As a refrigeration contractor I get the opportunity to replace...
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