How to change the hydraulic oil of the rear overturned semi-trailer

Changing the hydraulic oil looks like a simple job, but many friends of the driver of the rear-turning semi-trailer do not know how to change it correctly. They often mix the new and old hydraulic oil, which will greatly reduce the service life of the hydraulic system. So how to change the hydraulic oil of the rear tipper semi-trailer? Are there any precautions?

The traditional method of replacing hydraulic oil for rear dump semi-trailer is nothing more than extracting the hydraulic oil from the hydraulic oil tank, replacing the hydraulic oil filter element, and then adding new hydraulic oil. This method can only replace 48% of the hydraulic oil in the system. However, 52% of the dirty oil remaining in the system will have an impact on the hydraulic system after being mixed with new hydraulic oil.

Correct steps for replacing hydraulic oil:

The correct steps to replace the hydraulic oil of the rear dump semi-trailer should first drain the hydraulic oil in the hydraulic oil tank, clean the oil tank, add new hydraulic oil, then remove the circuit header, start the engine, run at low speed, make the oil pump work, operate each mechanism separately, drain the old oil in the circuit one by one by hydraulic oil until there is new oil flowing out of the return header, and finally connect the return header with the oil tank, Fill the oil tank with new hydraulic oil to the specified position.

Although the speed of replacing hydraulic oil is a little slower, it can replace the old oil in the hydraulic system of the rear dump semi trailer to the maximum extent. If you encounter other problems during the use of the vehicle, please contact our manufacturer.