2. The copper sleeve inside the three jaws connected to the mud pump is easy to wear over time, so it is recommended to add grease frequently to extend the use of life.

3. Many users will remove or block the safety valve when using the mud pump to increase the pressure, but this makes the mud pump suffocate the pump head because of excessive pressure and damage the soft connection. It is recommended not to exceed the rated pressure when using, if you want to make the pressure increase, you can adjust the screw inside the red above the safety valve.

4. Apply waste machine oil on the vertical shaft to protect the bearings.
5. The bearings in the box should not be short of grease, gear oil, hydraulic oil can not be less, less is easy to damage the machine.