3 point won't lift

I have a L3010 I changed the trans/ hydrolic oil and added2 lines to the rear of the tractor 1 pressure and 1 to the holding tank for a post driver, the tractor sat for a couple days with out hydro fluid, when I filled the reservoir the loader would work fine but not the 3 point. did I create a air lockin the 3 point, is there a bolt or vent to purge the system. also do you think it would be possible to use the fill point at the top of the differential as a hydrolic dump location for this shaver post driver

in response to one of the questions yes the 3 point is all the way down and won't lift ( I can lift it by hand easly ) I made sure the lines I added were clear and now have fluid in them but the 3 point still won't lift on its own. I have tried repeatly to raise and lower in small inncraments to prime the hydrolic valve not working

OkieDavid said:

Did you disconnect/reconnect the quick couplers for the loader? They are located directly under the front loader valve and are used when dismounting the loader from the tractor. Just a quick disconnect and then reconnect.

The one time I had issues with the 3pt as you describe that was the culprit. If that does not fix it, then I am with Kubotasam and interested in "how" and "where" you tapped into the hydro system to supply your post driver modification.

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i taped into the hydrolic distribution box rite next to the hydrolic filter. i came off the box with 3/8 steel pipe up to 1/2" T . i have to say had to move some hay yesterday ,when i curled the bucket back the 3 point came up on its own but still not rite. i disconected the loader but left the spool still conected and i think its still circulateing through thriugh the spool. i grabed some caps to disconect the spool but i needed plugs will get them to day. also i think im going to dump my hydrolic from the post driver into the 1" fill on top of the differential
thank for all the ideas will get back