Periodically check the tightness of the ferrule joint through the drain nozzle. If there is internal leakage, deal with it according to the internal leakage treatment procedure; timely inject a certain amount of fresh grease into the ferrule joint seat, the amount and frequency of injection According to the frequency of the operation of the ferrule joint, generally after the ferrule joint is moved once, an appropriate amount of grease should be injected, and the amount of each injection is about 1/8 of the volume of the sealing system; the ferrule joint should be fully maintained and For maintenance, the key point is to drain the water in the cavity of the ferrule joint and the actuator, which will affect the normal function; for the ferrule joint with little movement, move it at least once a year, and inject an appropriate amount of grease at the same time. The socket joint seat is glued to protect the ferrule joint seat and the ball.
