Hydraulic problems

[Big Luke]

Hi

I have a b7100d

It currently won't lift the trailer with the hydraulics it just makes a squeal noise the same as if hose isn't attached. ( I have checked the hose and it fine ) .

I would have originally thought this would be the pump not working but the 3 point linkage works fine when that is selected.

The trailer will occasional work when the tractor is first started so assume when the oil is cold.

Does any body have any ideas what this could be or had this happen to them?

 

[rentthis]

Luke, What is the "trailer"?

 

[North Idaho Wolfman]

I think he's working with a hydraulic tilt trailer.
Put a pressure gauge on the line and see what you get.