talking to other sources, it sounds like this is the most logical area to start diagnosing this problem......I was told to also check large steel plug (photo in ITT book shows it looking like a freeze plug). Another possibility is that a gasket has failed on the countershaft bearing cover at the bottom of the transmission housing or the housing cover and/or oil slinger at the input shaft to the transmission has worn out...Sounds like I need to invest in a 620 repair manual (have been told that a 630 manual was not offered because almost everything was the same. Again thanks for your response
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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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