does anyone know if there is an adjustment for pressure on the hyd.pump that runs the blade.I shimmed my 440b skidder and it worked like new.It's a 2005 with 4000 hrs don't seem like it should be the pump.
Looks like there's a main relief cartridge in the side of the inlet section of the control valve, has a set screw for adjustment. Also looks like spec is 3,000 psi for the main relief.