A mining system including (i) an earth working equipment having at least a wear member to work the ground, a base supporting the wear member , and a retainer holding the wear member to the base , and (ii) a tool , the tool comprising: - at least one auxiliary tool to hold the wear member mounted on the earth working equipment , - a single manipulator movably supporting the at least one auxiliary tool , wherein the manipulator and the at least one auxiliary tool cooperate to remove the wear member from the earth working equipment , - a controller to direct the movements of the at least one auxiliary tool and the manipulator , - a mobile base to move the manipulator and the at least one auxiliary tool from one location to a second location close to the earth working equipment , wherein the tool can be used throughout a mine and moved to convenient locations to accommodate the removal of wear members from earth working equipment usable in different location, characterized in that - the at least one auxiliary tool is arranged to release the retainer and - the manipulator and the at least one auxiliary tool cooperate to release the retainer . (i) an earth working equipment having at least a wear member to work the ground, a base supporting the wear member , and a retainer holding the wear member to the base , and (ii) a tool , the tool comprising: - at least one auxiliary tool to hold the wear member mounted on the earth working equipment , - a single manipulator movably supporting the at least one auxiliary tool , wherein the manipulator and the at least one auxiliary tool cooperate to remove the wear member from the earth working equipment , - a controller to direct the movements of the at least one auxiliary tool and the manipulator , - a mobile base to move the manipulator and the at least one auxiliary tool from one location to a second location close to the earth working equipment , wherein the tool can be used throughout a mine and moved to convenient locations to accommodate the removal of wear members from earth working equipment usable in different location, characterized in that - the at least one auxiliary tool is arranged to release the retainer and - the manipulator and the at least one auxiliary tool cooperate to release the retainer . - at least one auxiliary tool to hold the wear member mounted on the earth working equipment , - a single manipulator movably supporting the at least one auxiliary tool , wherein the manipulator and the at least one auxiliary tool cooperate to remove the wear member from the earth working equipment , - a controller to direct the movements of the at least one auxiliary tool and the manipulator , - a mobile base to move the manipulator and the at least one auxiliary tool from one location to a second location close to the earth working equipment , wherein the tool can be used throughout a mine and moved to convenient locations to accommodate the removal of wear members from earth working equipment usable in different location, characterized in that - the at least one auxiliary tool is arranged to release the retainer and - the manipulator and the at least one auxiliary tool cooperate to release the retainer . <EOS>