Kubota b6100 3 point hitch not moving at all

[Estringer7]

Started off with whining while in gear as tractor warmed up would become more hesitant to lift and start delaying response then whining stopped at same time lift stopped working first tractor sp not entirely familiar with the mechanics of it but am mechanically inclined. Tried checking screen under seat on bolt that goes thru line no screen there at all.

 

[North Idaho Wolfman]

Sadly if someone has removed the filter screen then the pumps probably wore out.
Pull it and have a look.
Also replace the screen before you put a new pump on it.

 

[Estringer7]

Where is the pump located I see where the lines go in but like I said new to tractors

 

[100 td]

Do all the basic checks before tearing it apart, especially if it was working OK yesterday so to speak.
Check hydraulic oil level, drain a bit from the drain plug underneath to check oil quality and contamination. Your screen may be broken off and sitting in the bottom, or you have check the wrong bolt. Recheck the manuals to be sure. Make sure you have the 3pt down when checking the FEL lift. A full service manual for 5100/6100/7100 here
http://www.kubotabooks.com/AutoIndex/index.php?dir=Tractor%20Owners%20Manuals/

 

[Estringer7]

This is the bolt I pulled which is referred to in the manual and all fluid is topped off as I just drained and refilled yesterday had some moisture in previous fluid

 

[North Idaho Wolfman]

I do believe your looking at the wrong line/bolt, it a much larger suction pipe below the smaller pressure pipe.

The Hydraulic pump is behind the Injection pump, it's the pump that has 2 lines, one large, one smaller running to it.

 

[100 td]

Item 16, page 41 (pdf 11) of the workshop manual part 3, underneath the tractor.
EDIT: Also a pic on page 20 of the owners manual