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Post by cablehack on Apr 15, 2020 2:22:53 GMT
I managed to squeeze it back into the controller, but now I'm thinking that I ruined it. Is there anyway to repair that or do I need to by a new cold controller now? I did the same with the bellows for my CA-2 back before I knew better. I had to recalibrate the control, but having done so it's been fine for the last seven years. As long as the bellows hasn't been punctured, I'd say you've gotten away with it. Try recalibrating it.
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Post by pseudonym on Apr 16, 2020 0:44:56 GMT
By recalibrate, do you mean adjust the thermostat knob by removing it?
I've been playing with it for the last two days. Can't seem to find a good setting. But it does seem like the temperature range changes. At first I was making it colder 🥶. Took me a while to figure that out.
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Post by cablehack on Apr 16, 2020 2:00:07 GMT
By recalibrate, do you mean adjust the thermostat knob by removing it? Yes, the details on how to do this start on page 58 of the Scotch Yoke manual.
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Post by turbokinetic on Apr 20, 2020 13:51:47 GMT
Thanks for all the replys. I am gonna try to troubleshoot it today. Last night I was reading through the manual and I think I might have discovered what happened. When I was searching for my electrical fault, I disassembled the cold controller. In doing this I removed the bellows and it fully expanded. Then I read this: "The bellows must never be left free to expand except when making the transfer with the bellows tube properly cooled... If these instructions are carefully followed a bellows can be changed without affecting the original temperature limits very much. If a bellows is allowed to expand over 1/8 s in., it will take a permanent set which will lower the temperature limits."I managed to squeeze it back into the controller, but now I'm thinking that I ruined it. Is there anyway to repair that or do I need to by a new cold controller now? If you have trouble calibrating the thermostat, it could be that the bellows isn't properly seated in the mechanism. Put the whole thing in a freezer to shrink the bellows. Then, take it apart again. Inspect the bellows and be sure it is not curved to one side. With the sensing tube cold and the bellows shrunken, press it down with a thumb, and try to carefully restore it to its shape. It should not be curved. Finally, with the bellows tube still cold, re-assemble it and ensure everything goes back together without any binding. Ensure the bellows tube stays cold throughout this process. You'll still need to take the control knob off and re-calibrate it. Be careful because on some if not all of these controls, the actual metal shaft of the control knob is electrically live when the cord is plugged in.
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Post by pseudonym on Apr 25, 2020 17:01:58 GMT
Thanks for the o everyone for the helpful suggestions. I was finally able to get the temperature to a reasonable setting. Now it sits at 35 with fluctuations between 33 & 37.
The bellows was definitely in crooked, thanks for the tip to check that.
I also went through and replaced all of the cardboard insulation with ridgid foam sheets. I wanted to increase the insulation cause I live in Vegas and this thing is gonna sit in my garage which has no a/c, so every little bit helps.
I also replaced the door deals with some new ones from McMaster that were recommended in a different thread. I cleaned and waxed the exterior and scrubbed down the inside and feel like it's ready to accept tasty beverages.
BUT I just realized that the shelves are not spaced ideally to accommodate beer bottles. Is there an easy way to make the shelves adjustable. I really don't want to drill and new holes in the inner liner and move the mounts. I can probably figure out how to jury rig something but I'd rather not reinvent the wheel if someone else has figured out a good solution.
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Post by turbokinetic on Apr 26, 2020 4:26:15 GMT
Thanks for the o everyone for the helpful suggestions. I was finally able to get the temperature to a reasonable setting. Now it sits at 35 with fluctuations between 33 & 37. The bellows was definitely in crooked, thanks for the tip to check that. I also went through and replaced all of the cardboard insulation with ridgid foam sheets. I wanted to increase the insulation cause I live in Vegas and this thing is gonna sit in my garage which has no a/c, so every little bit helps. I also replaced the door deals with some new ones from McMaster that were recommended in a different thread. I cleaned and waxed the exterior and scrubbed down the inside and feel like it's ready to accept tasty beverages. BUT I just realized that the shelves are not spaced ideally to accommodate beer bottles. Is there an easy way to make the shelves adjustable. I really don't want to drill and new holes in the inner liner and move the mounts. I can probably figure out how to jury rig something but I'd rather not reinvent the wheel if someone else has figured out a good solution. Hey glad you got the thermostat working well. Sometimes those take a little "finangling" to get them adjusted. The foam board insulation will serve very well! I have done several cabinets with that and get very good long off-cycles with it. We had a two day power outage and things stayed cold. I didn't open the door until after power was back on; and things were still quite cool.
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Post by ckfan on Apr 26, 2020 12:50:53 GMT
Glad you got it working well. On a lot of these models there is no good way to readjust the shelves. If you drill a new hole in the liner, it will crack to pieces since it is porcelain coated. Sometimes the shelves can be turned upside down. That is only on a select few models though.
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Post by D.C. on Nov 22, 2021 3:08:09 GMT
Good evening,
I know I am a year late to this thread, but I recently acquired a GE LB6-39B refrigerator. I have not had any luck in finding any information about it online. The only info I have been able to find is on the LB6-39A. Does anyone know if these two refrigerators are mostly the same? I'd like to run new electric to it (although it does work with the current cord). I'm somewhat new to restoring anything like this, although I have helped a couple friends with older refrigerators. Just looking to see if anyone has any input on the 39B v. 39A. Thanks.
Dan
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Post by turbokinetic on Nov 22, 2021 3:10:50 GMT
Thanks for all the replys. I am gonna try to troubleshoot it today. Last night I was reading through the manual and I think I might have discovered what happened. When I was searching for my electrical fault, I disassembled the cold controller. In doing this I removed the bellows and it fully expanded. Then I read this: "The bellows must never be left free to expand except when making the transfer with the bellows tube properly cooled... If these instructions are carefully followed a bellows can be changed without affecting the original temperature limits very much. If a bellows is allowed to expand over 1/8 s in., it will take a permanent set which will lower the temperature limits."I managed to squeeze it back into the controller, but now I'm thinking that I ruined it. Is there anyway to repair that or do I need to by a new cold controller now? It can be fixed. Put the thermostat in a freezer and allow it to cool off fully. Then, take the bellows back off. While the sensing tube is still frozen, mash the bellows down all the way with your thumbs. While it is still cold, re-install it. That should restore the calibration to a good degree.
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