Replacing O Ring on Hydraulic Pump

This procedure will guide you through the steps to replacing the hydraulic pump O ring on your Goodnature X-1.

  1. Remove both lines from the hydraulic pump using a 9/16″ wrench.
  2. Remove all four bolts holding the pump to the motor, making sure not to lose the washers.
  3. Slide the tank and pump off, and drain the oil into a bucket that can hold 1-2 gallons of oil.
  4. Once the tank is empty, remove the 6 screws holding the tank to the pump.
  5. Using a rubber mallet, tap gently to separate the pump from the tank.
  6. Once separated, gently remove the old o ring being sure not to scratch pump.
  7. Slide on new O ring, making sure it is seated into the proper groove.
  8. Slide pump back into tank, spread oil on the O ring so it slides in easier.
  9. Line up screw holes so they match.
  10. Gently use a mallet to tap pump down to tank, make sure to keep screw holes lined up.
  11. Screw back in the 6 screws, tighten.
  12. Re-attach the pump to the motor, the lines to the pump and add oil.

For additional technical support needs, contact our technical support team. To order new parts and press bags, visit the X-1 parts page.