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Author Topic: Jacobs 56 machine won't cool  (Read 4535 times)
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Zerbie
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Bob


« on: May 24, 2016, 09:16:26 am »

I'm looking for some ideas on where to start trouble shooting my Jacobs 56 machine that won't cool.

The evaporator runs and when turning the thermostat to 1 or higher the compressor kicks in. Just never gets cold. Could it be as simple as finding a local service guy to come charge up the compressor with some refrigerant? I've attached a couple of pics of compressor model and a tag that is located in front of the coils.

Thanks in advance,

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Jacobs 56 Restored
Vendo 81D Restored
Vendo 81B - restoration in process
VMC Pepsi 81 - in line for restoration
MoonDawg
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« Reply #1 on: May 24, 2016, 10:41:53 am »

       First with the thermostat off, put a rag in the lower fan blade so it is silent.
       Then turn it to on and verify the compressor is vibrating (pumping).
       If so, turn it off and look for a leak. It will show up as residual of a fine spray of oil.
       It probably needs service so it's best to remove the unit and carry it in to a refrigeration shop,
because mobil hourly service calls can become costly.
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Glen
Zerbie
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Bob


« Reply #2 on: May 24, 2016, 01:06:54 pm »

Thanks MoonDawg

If I remove the unit from the cabinet, do I remove both the compressor and the evaporator as one unit from the machine - since they are connected together with copper tubing?

Is R-12 refrigerant the same as F-12 refrigerant?
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Jacobs 56 Restored
Vendo 81D Restored
Vendo 81B - restoration in process
VMC Pepsi 81 - in line for restoration
MoonDawg
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« Reply #3 on: May 24, 2016, 01:34:39 pm »

         yes
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Glen
Zerbie
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Bob


« Reply #4 on: May 25, 2016, 06:03:12 pm »

Thank you much! Cool
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Jacobs 56 Restored
Vendo 81D Restored
Vendo 81B - restoration in process
VMC Pepsi 81 - in line for restoration
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