(1) Clean the dust and oil stains on the surface of the driver's cab and the shell; conduct a thorough cleaning once a week;

(2) Check whether the clearance of the brake system is appropriate;

(3) Check whether the key on the coupling and the connecting anchor bolts are tightened;

(4) Check if the electric bell and all safety devices are reliable;

(5) Inspect the damage status of brake pads and galvanized steel wire ropes;

(6) For second-hand gantry cranes, it is important to check whether the circuit breaker of the control panel is tightly closed and whether the carbon brushes of the motor are damaged.