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question on check valves on JD 400 hydro pump

728 views 2 replies 2 participants last post by  rbigg 
#1 ·
Do the check valves ever get where they dump lots of hydraulic fluid to the outside? Not sure how they work.

If they do this, on rare occasions, are they later OK? Or, do you have to replace them?
 
#2 ·
Hi rb,
The answer is no. The JD 400 transmission has internal check valves buried in the center section of the assembly (unlike JD 300 series transmissions with external check valve plungers).
Harold
 
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