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air conditioning

  1. J

    John Deere 244j air condition not working

    I have a John Deere 244j and the air conditioning isn’t engaging. Compressor clutch isn’t turning on. Tested all the fuses to find them all good. Tested the relay to find that there are 5 pins on this relay. The top two larger pins, switched side, doesn’t ever have power, the other larger pin...
    • JeremyH
    • Thread
    • air conditioning electrical diagnostics electrical problems john deere john deere 244j loader wiring diagram
    • Replies: 5
    • Forum: Tractor/Loader/Backhoes
  2. 9

    Cat 988F Air Conditioning Compressor not engaging clutch

    Hi all, I have recently replaced the blower motor in the air conditioning unit on my 988F. Prior to this all pressures were fine and the unit was working well. Now the clutch is not engaging on the compressor. I have voltage to the compressor and have just replaced the compressor thinking...
    • 988Driver
    • Thread
    • 988f air conditioner air conditioning caterpillar compressor electical
    • Replies: 0
    • Forum: Wheel Loaders
  3. T

    248B oil leak in A\C gear motor-can I just bypass the motor?

    I have a hydraulic oil leak from the breather vent on the air conditioning support on my 248B skid steer. I loose about a gallon of oil a day out of this vent. The vent is mounted on a support with the a\c compressor on one side and a gear motor on the other side(part 218-6840). I am guessing...
  4. D

    2005 650K Series 2 Cab & Air - Expansion Valve

    2005 650K Series 2 Cab & Air The air stopped Working on a job. The next day I replaced the Compressor, Dryer and the Pressure Switch, but that did not fix the problem. I was told to replace the Expansion Valve. I purchased the part, but I cannot find where it goes. Can anyone help?
    • David Kelley
    • Thread
    • 2005 case 650k 650k air conditioning case expansion valve
    • Replies: 24
    • Forum: Dozers
  5. I

    Question for AC work out in the field

    Hello, Ag Field tech here. Trying to figure out a cost effective solution that also meets all the regulations to a issue. So I carry a RECOVERY only machine in the truck, discharge a system into the recovery bottle. Now what do I do with the R134a? From everything I've read for mobile...
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