3HAB3772-75 refers to an O-ring that is used in various robots. O-rings are mechanical seals that are used to prevent

the leakage of fluids or gases in machinery. In the case of ABB robots, O-rings used in different parts of robot’s structure

to provide a tight seal and prevent ingress of dust, dirt, or other contaminants.

If you need to replace this specific O-ring, it is important to ensure that you get the right part number and size.

When replacing an O-ring, it is also important to clean the area. As the O-ring will be installed in that area. It should

guarantee there are no other issues with parts or seals in the area. A damaged or worn-out O-ring lead to leaks. It causes

problems with robot’s performance or even damage the robot.