Post by coldspaces on Mar 1, 2014 3:50:23 GMT
As you know I took possession of a 1952 International Harvester chest freezer a few months back. It came to me with a bad solid state state relay and wet insulation. I have it in my garage at home now and am trying to get it ready to go in the house and into daily use.
After draining the water I could out of the cabinet and resealing the places I knew it got in at I have been using a larger desiccant drier to try to draw the moistener out of the fiberglass insulation. Not sure how I can tell if it is all dry inside but last night I ran a vacuum pump hooked to it for about 20 minutes. Only pulled down a few inches which might not remove much moisture but the oil in the pump never showed that it was turning milky like it does on a wet system. The oil and pump were very cold to start with so I anticipated if there was much moisture left it would condense into the oil pretty readily. Best I can tell the insulation might be pretty dry. I did also have a moisture indicator hooked up with the drier but since checked and see the moisture level would have to be real low (aprox 100PPM) or less to turn it green so it was kinda a waste of time I think.
Made up a new wiring harness.
Got the new start relay installed.
Even though the original cold control was there and working a check of the points told me I didn't trust it for daily use. Not bad though, good old GE made the control in 1951 and it was still working. Tonight it should get its new Marrs control.
Coldspaces
After draining the water I could out of the cabinet and resealing the places I knew it got in at I have been using a larger desiccant drier to try to draw the moistener out of the fiberglass insulation. Not sure how I can tell if it is all dry inside but last night I ran a vacuum pump hooked to it for about 20 minutes. Only pulled down a few inches which might not remove much moisture but the oil in the pump never showed that it was turning milky like it does on a wet system. The oil and pump were very cold to start with so I anticipated if there was much moisture left it would condense into the oil pretty readily. Best I can tell the insulation might be pretty dry. I did also have a moisture indicator hooked up with the drier but since checked and see the moisture level would have to be real low (aprox 100PPM) or less to turn it green so it was kinda a waste of time I think.
Made up a new wiring harness.
Got the new start relay installed.
Even though the original cold control was there and working a check of the points told me I didn't trust it for daily use. Not bad though, good old GE made the control in 1951 and it was still working. Tonight it should get its new Marrs control.
Coldspaces
