|
Post by Travis on Feb 16, 2016 18:44:42 GMT
They are individual conductors but they are twisted. Since all three leads show leakage to ground, I am thinking that the problem is inside the unit. As I mentioned before, the insulation is in good shape. I did go ahead and put some heat shrink a whole tube in and ring terminals on the ends of the wires. I think there's probably some dirt on the terminals inside that is causing this grounding.
I did just remove the badge off the front. I wanted to see if this unit was built like the 80 fin DR3. The metal plate is still there below the compressor base plate. I have a feeling that when this unit was rebuilt that they just meant it was repaired and sent back out. The bad lacks a lot of the detail. It looks like it got sprayed again with paint. I wouldn't be surprised if they did not go inside the compressor dome when they did the rebuild.
|
|
|
Post by Travis on Feb 17, 2016 19:52:41 GMT
I went ahead and played more today because I figured dead is dead and what could be worse.
The annie gives you a choice of 100, 200 or 300 mfd start cap. I have never used the 300. I hooked it up and give it a go. I could hear at home in the run winding but I kept rocking between forward and reverse. All of a sudden it started to run in reverse. I then put it in forward position and hit start again and it started to run.
Not expecting this to be successful, I did not have the heater warm and did not have a run capacitor connected. I only let it run for a few minutes because I did not want to damage it further. I did start to cool rather quickly. The center divider and those evaporators is part of the refrigeration circuit.
I have to go find another power cord with alligator clips and a run capacitor. I was inspired by a post from Allan who mentioned that he ran into a CK2 that had 38K resistance to ground from all three leads. I figured since his compressor ran the best one only had 31K to ground and therefore should run also.
|
|
|
Post by coldspaces on Feb 17, 2016 21:15:49 GMT
Great fun when you get one to brake loose. Hope she stays loose.
|
|
|
Post by icebox on Feb 17, 2016 21:54:53 GMT
That's good news - and it still has gas in! Maybe the resistance will improve when the compressor has heated up. I've tried starting seized compressors with start capacitors and with extra voltage never with success, it's good to hear it can work.
|
|
|
Post by cablehack on Feb 17, 2016 22:06:15 GMT
31K resistance at 120V will only pass 3.8mA. That won't affect the motor one bit.
|
|
|
Post by timeswelding on Feb 18, 2016 1:51:34 GMT
I was hoping that there would be some good news during this project. It seems that you may be avoiding surgery after all!
|
|
|
Post by Travis on Feb 18, 2016 23:27:52 GMT
I should have all my supplies for clean the control tonight. I did start the unit briefly last night. It started fine. I did so again this morning. It's odd to hear refrigerant flow. I am used to the near silence of the porcelain evaporators.
|
|
|
Post by Travis on Feb 19, 2016 9:28:06 GMT
I think I got it more or less back together. It started right up and didn't blow the circuit breaker or trip the overload. The heater draws 15 W. At start up the whole thing was drawing 275.
I'll let it run some tomorrow.
|
|
|
Post by timeswelding on Feb 19, 2016 11:30:03 GMT
Wow. Late night.
|
|
|
Post by Travis on Feb 19, 2016 23:01:43 GMT
Even though I stayed up way too late to work on the control, I work up at 9 am. I let the unit run for over an hour. It started at 280 watts and got down to 210, later it crept back up to 230 and stayed there. I wasn't happy with the condition of the screws attaching the wiring to the control terminals. I went and bought new 8/32 screws, cut them off and replaced all seven. Now my obsessive, worried mind can rest.
|
|
|
Post by Travis on Feb 19, 2016 23:08:37 GMT
I cheated a little. I had two other controls from D2's. I used the best set of main contacts I had. The control on the 80 fin is going to get worked on next. I will order some new gaskets and get this unit on the cabinet. I thought about swapping it out in the kitchen, but that would be like leaving your wife for a younger woman.
|
|
|
Post by ckfan on Feb 20, 2016 3:55:52 GMT
I'm glad that it is working well for you! How does the compressor sound under full load like that? Ever since I learned how DR compressors work they have been very fascinating to me. I had never even heard of an oscillating cylinder before.
|
|
|
Post by Travis on Feb 20, 2016 4:21:36 GMT
This one is a little louder right now. It's crated, on a dolly and on a wood floor. I'll get the gasket material and get the unit on the cabinet next week. I thought about lifting it with my lift, but I don't feel right in leaving it hanging.
|
|
|
Post by Travis on Feb 22, 2016 2:10:43 GMT
Doug has pointed out that this DR35 has the evaporators of a CK35B. It's a Ft. Wayne evaporator, hence the polished look.
|
|
|
Post by Travis on Feb 23, 2016 6:22:50 GMT
My little DR movie.
|
|