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Message: <blockquote data-quote="jameslmarchetti70@gmail.c" data-source="post: 138578" data-attributes="member: 24475"><p>You say the pumps are all checked over.  Flow wise ?  It there by chance a diverter valve for other tools on this machine?  Stuck open?  If the main pressure system relief is stuck open or gave up nothing will work.  The cables if broken could be another problem since you have gone through it that leaves internal pump issues.  The splines are good you said.  Even inside the of the hub it slides into?   On the older bucket trucks there was what was called a dead man valve.  Designed to dump all pressures incase of an injury etc.  It's a system pressure dump valve.  Or sometimes used to divert the flow to an auxilary too.  not sure what you have there.  Just some thoughts to review and ideas may flow.   Good Luck  Post any results if you can it may help others later.</p></blockquote><p></p>