Cleaning and maintenance vise should be conducted in accordance with the following steps. 1, clean the vise debris and oil pollution on the components. 2, check all parts (1) whether the jaw screw loose; (2) with the lead screw and nut, is there a wear serious situation; (3) clamp body if there is a crack; (4) damper, good spring cotter pin is fixed. 3, in the nut charging a moderate amount of lubricating oil or butter. 4, and other structures to do a good job of rust cleaning, pay attention to the jaw filling lubricant is prohibited.