cjs
New Member
Posts: 6
|
Post by cjs on Apr 19, 2021 22:29:50 GMT
I have been restoring a CK-1-B16. I have never heard one of these run, so when I plugged it in, there was a humming. I thought I could hear some movement of liquid. I let it run for about five minutes and smelled hot bake-light/plastic. The control box was very hot. I unplugged it. I'm not sure what to do. Any suggestions would help a lot.
|
|
|
|
Post by andrewo on Apr 20, 2021 2:03:04 GMT
Hello! Is the sound similar to the one in this video?
This is a video of my CK-2-B16 which has a burnt out motor. It should make a hum for only a split second, before making different noises like this video down below of my CK 35.
I hope this helps!
|
|
|
|
Post by andrewo on Apr 20, 2021 2:17:32 GMT
Also, it may be helpful to upload a video of the sound your monitor top makes, so the experienced people on this forum can better diagnose it.
|
|
cjs
New Member
Posts: 6
|
Post by cjs on Apr 20, 2021 10:27:11 GMT
Thank you so much for the videos. I don't need to download a video of my refrigerator's sound. It is just like the first one that you say is a burnt out motor. The person that I bought it from said it worked when she stopped using it and she stored it. The only time it has been plugged in since then is when I turned it on yesterday. I don't know motors, but it seems like it couldn't be burnt out. Is there another reason. Maybe points sticking? I did have both boxes apart, could I have done something wrong?
4/20/21
I have another question. What are the correct positions of the points when it is off, on and defrost? The positions my points are off, open. When it is on, points are closed. When it is on defrost, the points are staying closed. I will tell you, I did break the cam and got guidance on how to glue it back. Saying that, I did have to put the little brass piece and the spring back in. I know I placed it in the correct way, but I am wondering if the cam was turned to the correct position. There were two ways the two arms could fit on the cam. Since I am flying blind with all of you as my guides, I'm sure someone will figure out what is wrong with my new baby.
|
|
|
|
Post by ckfan on Apr 20, 2021 23:21:12 GMT
There could be other things causing the motor not to start. One thing that will need to be checked is the resistance of the motor windings with an ohm meter. You can look at the service manual in the CK section and figure out how it is wired. You’ll want to test all 3 windings and also test to make sure that none of them have any connection to ground or the shell of the compressor in other words.
A very common fault is for the start relay to go bad which will cause the motor not to start.
|
|
cjs
New Member
Posts: 6
|
Post by cjs on Apr 21, 2021 0:51:07 GMT
I caught something in what ckfan said. I did connect a ground to the shell of the compressor. Are you telling me that will cause the motor not to start and run?
I will take the ground off tomorrow and see if runs.
|
|
|
|
Post by ckfan on Apr 21, 2021 10:19:48 GMT
No, connecting a ground to the compressor shell shouldn’t keep it from running. What I’m saying is that you need to confirm, with an ohm meter, that there is no fault in the motor to ground. Confirming the readings of the run to common, start to common, and start to run windings is also needed to see what kind of condition the motor is in. That is where the wiring diagrams and a little knowledge of how to use a multi meter come into play.
|
|
cjs
New Member
Posts: 6
|
Post by cjs on Apr 21, 2021 12:57:30 GMT
Well, I will have to learn to use one. I guess I can do that. It is off to YouTube again.
|
|
|
|
Post by turbokinetic on Apr 21, 2021 14:13:55 GMT
I have been restoring a CK-1-B16. I have never heard one of these run, so when I plugged it in, there was a humming. I thought I could hear some movement of liquid. I let it run for about five minutes and smelled hot bake-light/plastic. The control box was very hot. I unplugged it. I'm not sure what to do. Any suggestions would help a lot. This sounds like a failure of the overload breaker to trip, allowing the motor to continue to draw power even though it was not running. The overload heater element kept getting hotter and hotter until the bakelite plastic was charring and you smelled it. For some reason the overload device was not able to release. The fact that it received power for 5 minutes in this condition likely burned out the motor during that period; regardless of the original reason it didn't start in the first place. It's very important to know the electrical power demand from the compressor motor during troubleshooting. It's a big risk not having a power meter such as a Kill-A-watt in place to know what is going on. |
|
|
|
Post by ckfan on Apr 21, 2021 19:33:48 GMT
Ah, I didn’t realize that it had sat on for that long. Yeah, that’s not good.
|
|
cjs
New Member
Posts: 6
|
Post by cjs on Apr 22, 2021 1:22:28 GMT
Today, I checked the continuity of all the windings. I found a problem with one. It is the starting contact wire. Tomorrow I will finish some wire replacement and put it all together again. There is s great possibility that this wire was not letting the starting mechanism complete its job and start the motor. I am so hopeful that tomorrow will be the day.
|
|
btfarm
7 Cubic Foot
Posts: 103
|
Post by btfarm on Apr 22, 2021 13:02:07 GMT
Where are you located? I have a CK-1-B16 Assembly less controls in N Illinois.
Make sure your relay points aren't welded closed.
|
|
cjs
New Member
Posts: 6
|
Post by cjs on Apr 22, 2021 22:44:52 GMT
Good news. I found a loose wire. Short time to fix and it running like a top. I am so happy. Now it can grace my 1930's kitchen.
Thank you to all who gave me pointers. Thankfully it was a simple fix.
|
|
|
|
Post by ChrisJ on Apr 24, 2021 23:09:51 GMT
Good news. I found a loose wire. Short time to fix and it running like a top. I am so happy. Now it can grace my 1930's kitchen.
Thank you to all who gave me pointers. Thankfully it was a simple fix.
Running like a Monitor Top?  |
|
|
|
Post by turbokinetic on Apr 25, 2021 12:51:12 GMT
Good news. I found a loose wire. Short time to fix and it running like a top. I am so happy. Now it can grace my 1930's kitchen.
Thank you to all who gave me pointers. Thankfully it was a simple fix.
That is great news! So happy it was an easy fix! |
|
