B7510 hst Bucket won't lower

[flanagan]

Sometimes my bucket won't lower, have to push
the lever all the way forward to get the bucket to drop by it's own weight. Tractor has started making a weird noise occasionally too, not sure how to explain it. Hydraulic fluid is over the full line on dip stick but seems low in the resevoir. Could there be a return line kinked or plugged causing this? just found out this mourning when the bucket won't lower all I have to do is raise or lower the gannon a little then it works.

 

[North Idaho Wolfman]

The three point control or three point feed back control needs adjusting.
The noise you are hearing is the hydraulic system going into bypass.
So yes it's a restriction in the return of the hydraulic fluid caused by the three point control being out of adjustment.

 

[flanagan]

Thanks Wolfman, will give this a try.