Oliver 550 hydraulic help please

JOCCO

Well-known Member
Have issues: Works good cold but when hot it will not lift heavy item. Also surges all the time when item is lifted; meaning moves up down all the time a little bit. Any thoughts on this to repair? One thought is piston seal on the lift. thanks
 
If it "surges" when cold you have a leaking O-ring on the lift piston. Before you tear into the unit check the pressure of the unit. You may have pump fade. Does it have a remote valve?
 
Yes on remote valve and the system seems to work good otherwise including remote.
 

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