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Author Topic: 1220.4 Air conditioner problems  (Read 63 times)

damengineer

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1220.4 Air conditioner problems
« Reply #1 on: July 02, 2019, 04:55:48 PM »
My 1220.4 A/C is blowing hot air.  The compressor high side pressure will rise to 500 lbs quickly when the switches are bypassed.  I suspect the dessicant bag in the filter drier has disentegrated.  It  probably has plugged the expansion valve.  Does anyone have a number on the expansion valve.  Ray has listings on all the parts except the expansion valve.
  • MTZ 1220 w/ Kr-34 loader, Belarus 8345 w/ Koyker loader, Belarus 825 w/ Memo loader, White 2-105, Case 1270,
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