AC on 886 IH

The AC on my 886 will only get down to 60 deg. I have cleaned the condenser core, and did put some gas in it last fall. I put a gauge on it and at 1800 rpm the gauge show low of gas. But at a 1000 rpm the gauge shows about 35lbs. The dryer reciver will get hot and it should get cold, but low side line will get cool. The compressor has been change to 134. I would think it would get colder than 60deg. Has some checked the air comming out of the vents and what temp is it? I just get the tractor last fall so didn"t have time to use the AC.
 
The reciever dryer should get warm, never cold.
If the condenser is hot, it means the condenser is not able to get rid of heat(poor air flow dirt in radiator or condenser ). The dryer should be warm, but mot uncomfortably warm to the touch.
As Allan says, I believe it is low on refrigerant.
Get a gauge set so you can read both high and low side pressures, thats the only way to really know what is going on with the system.
 

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