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Discussion Starter #1
My loader hydro works but rear lifts will not/added fluid but lift lever will not operate rear attachments
 

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Make sure flow knob by your feet in the middle is open. If not that make sure your lever is engaging the rock shaft control. I’ve seen key way get worn and or sheared.
 

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Discussion Starter #3
not on this tractor

What is the illustration from?I could find no key shaft on 790 jd parts shows none,still working on problem,rockshaft control lever not engaging& fully opened rate drop/lock valve
 

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Lever not engaging

What is the illustration from?I could find no key shaft on 790 jd parts shows none,still working on problem,rockshaft control lever not engaging& fully opened rate drop/lock valve
If your control lever isn't engaging, that's likely the problem. It might be a PITA to get to but much, much better than an internal issue.

Let us know what you uncover.
 

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What is the illustration from?I could find no key shaft on 790 jd parts shows none,still working on problem,rockshaft control lever not engaging& fully opened rate drop/lock valve
JD parts.com
 
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