Posted by south texas on April 27, 2011 at 20:21:57 from (67.142.178.24):
I recently put on a new R134A compressor, flushed the system, installed new filter/dryer, a new evaporator (old one was leaking), and charged the system with 4 12oz cans of 134A. I was talked out of changing the expansion valve. The condenser is clean. The air temperature coming out of the vents in the cab is 70 degrees. It is 95degF here and I'm reading 23PSI on the low side and 265PSI on the high side with the AC on. Based on this information, why isn't my air temperature dropping lower? Is it the expansion valve? Any other suggestions?
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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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