Posted by JDseller on June 25, 2012 at 07:11:10 from (208.126.196.144):
In Reply to: Re: Air Conditioner posted by JD4040 on June 25, 2012 at 05:30:35:
Did the system have 5 Psi before you started??? If it did you MAY be able to just charge it and have it work. Systems usually have leaks and will not hold the high pressure. They will leak down so far and quit working. Then they will hold low pressure for a long time.
When you get it full check all the fittings and lines for leaks. Spray bottle with dish soap and water works fine. The usual problem is the cab corner lines on the left rear cab post. They are wrapped in insulation. That holds moisture in and they rust through. On any tractor that is 15 years or older and still has the original line I just replace them before even trying to get the system to work. 99% of them are rusted. So even if they are not leaking now they soon will be. Started doing this when R-12 got expensive and have kept doing it. I have fewer recharge calls since I started doing this.
On my own tractors I have two that we use only in the spring and fall. These have slow leaks, usually takes them a month to leak down. I just charge them up and run them. So far I usually have enough reclaimed freon that it is not costing me too much to do it that way.
DO NOT put any of that freon stop leak in the system. NEVER EVER use it!!!! It will mess up the compressor and expansion valves after it gets some age on it. Plus it will ruin anyone's tools if they try to repair the system later without flushing it. Good friend messed up his reclaimer on the stuff. If I find it I replace all the lines, compressor, have the condenser and evaporator sent out to a radiator shop to be boiled out. The owner just made a line repair cost himself big money!!!!
GUYs understand that most repairs in a can are just SNAKE OIL!!!!!
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