Every machine is equipped with protect travel switch in order to increase safety coefficient for repairing and maintenance. It also has thermal overload relays to protect the motor.
每台机器均配有保护行程开关，为维修、保养增加一份安全系数。且装有热过载继电器，保护电机。
2
Wood in the high temperature coefficient of expansion will obviously, consumer can carry on some simple wooden through the maintenance, prevent the "heatstroke".
It is important ensuring of safe running to select rope with adequate safety coefficient, to strengthen maintenance inspection and fatigue level monitoring of wire rope.