D7E Hydraulic System Questions

Hi Magneto, The D7E 47A is a great tractor. I need the S/N of your hydraulic control to be sure. The S/N tag is located on the left side of the tank I believe. I think this is what you asked for. 
Craig
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Thanks Craig, that really helps. Do you think that Tractor Supply premium hydraulic oil (ISO 46, 20W) is okay for this system? This is for a farm dozer that will not see many hours.

One last question how do I tell when the system is full? The system self-drained yesterday when a hose blew.

If you can use the ACMOC library under "document type" select "operator's instructions." Then under "accessories" select "hydraulic controls." On the left column scroll until you find the NO. 46 hydraulic control(it was later changed to NO. 173)
Craig
These pages are what you need:
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BTW Fill the hydraulic tank until the oil is visible in the screen. Start the tractor and cycle the blade up & down several times then shut the tractor down and check the oil level again. The oil level should be in the lower half of the screen when the oil is below operating temperature. 
Craig

Craig, thanks for taking the time to answer my questions. This is a great site!