Support maintenance is divided into two parts: 1, structural maintenance. Mainly depends on whether the structural parts are damaged or deformed, which affects the normal use. Common problems include deformation of side guard plate, fracture of push rod, fracture of joint, fracture of pin shaft and even damage of individual connecting rod parts, which can be completed by reshaping or making new parts for replacement. 2. Maintenance of hydraulic components. This is the main job of maintaining support. Remove the jack and replace the seal; Replace the high-pressure hose.

In short, it is more complicated, but it depends on the specific usage. You can contact me to answer any specific questions.