John Deere 4230 Draining the Hydraulic Oil and Replacing/Cleaning Hydraulic Oil Filters

Demonstrating how to drain the hydraulic oil from a John Deere 4230 Tractor and how to do hydraulic filter maintenance. Look up and follow all safety measures for working on the John Deere 4230 Tractor, or any tractor that you may be working on. Be sure to wear all appropriate PPE and safety devices when working on or in your tractor. Be sure the tractor is on level ground and has blocks in front of and behind the wheels to stop any incidental rolling of the tractor, and put the tractor in Park, and be sure that all hydraulic lifts are completely released and all the way down, and the tractor is not running and has had sufficient time to cool, and the ignition keys are in your possession. Disconnect the positive cables from both batteries. Practice good safety.