How do you change hydralic filter on Massey furgerson 135?

To change the hydraulic filter on a Massey Ferguson 135, first ensure the tractor is turned off and on a level surface. Locate the hydraulic filter, which is typically found near the hydraulic pump. Use an appropriate wrench to unscrew the old filter, being careful to catch any fluid that may spill. Install the new filter by hand-tightening it, and then check the hydraulic fluid level before starting the tractor to ensure proper operation.