best way to charge is by weight, buy electronic scale, buy mainfold gage setup, buy freon in 30# jug, hang gages somewheres for evacuating and charging. Leave them there don't move till completely done. After evacuating and it holds, hook up freon jug to gage manifold(yellow), open jug valve crack line to jug at manifold to let residual air out. Now, theres a zero scale button on scale set it to"0". slowly open low(blue) pressure manifold vale connected to A/C low pressure port. then take you hands off of manifold setup, let freon go in till it won't anymore. Now start tractor turn on A/c and turn it to High/ and fan to high. Watch scale till it shows measured amout you want in A/c. turn off low pressure valve(blue) on Manifold gage FIRST, then turn off freon jug, and unhook it from manifold gage(yellow} put line off jug back on gage open port. Your system should be cooling well. If not, then theres a restriction somewhers in system. if it on high side after compressor but before before orfice tube/exspansion valve and the high pressure cut out switch for compressor isn't working you will hammer the compressor(extremely high pressure). if restrictions past orfice tube/exspansion valve, it will just remain as a gas., won't have compressor suction(low suction) of gas to change back to a liquid.
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Today's Featured Article - Choosin, Mounting and Using a Bush Hog Type Mower - by Francis Robinson. Looking around at my new neighbors, most of whom are city raised and have recently acquired their first mini-farms of five to fifteen acres and also from reading questions ask at various discussion sites on the web it is frighteningly apparent that a great many guys (and a few gals) are learning by trial and error and mostly error how to use a very dangerous piece of farm equipment. It is also very apparent that these folks are getting a lot of very poor and often very dangerous advice fro
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