Before the driver ready

single girder overhead cranes, the driver succession before driving, coping hooks, ropes and safety devices and other components according to the requirements of check card check, unusual circumstances, should be excluded. Ground control of foundry crane, the class should be someone responsible for inspection according to the requirements of the card check, unusual circumstances, should be excluded. The operator must go to Taiwan or confirm the unmanned orbit, we can close the main power supply. When locking or sign the power circuit breaker is closed by the original person only after the main power is removed