Posted by Mike Genrich on January 23, 2013 at 21:49:21 from (166.182.3.63):
In Reply to: a/c on '86 series posted by DAve from MN on January 23, 2013 at 05:33:52:
Even after replacing all the hoses, o-rings, recever dryer, and expansion valve on several tractors in the shop we were still having problems with leakage. As it turns out when you convert to 134A the front seal in the york style compressor doesnt make the grade. We tryed replacing the seal and normaly the shaft was pitted up from rust so we replaced the compressor with new, same problem. AP Air offers a conversion with a jap compressor that cured our problems.
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Today's Featured Article - Hydraulic Basics - Part 2 - by Curtis Von Fange. In the last entry to this series we gave a brief overview of hydraulic system theory, its basic components and how it works. Now lets take a look at some general maintenance tips that will keep our system operating to its fullest potential. The two biggest enemies to a hydraulic system are dirt and water. Dirt can score the insides of cylinders, spool valves and pumps. Wate
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