The drive system for a production line simply stopped. The maintenance supervisor sent a mechanic and electrician to respond.
The electrician’s first stop was the motor controller. There, he noticed one overload strip had burned open. He showed this to the mechanic, who said maybe the gear box caused the motor to draw too much current. The mechanic decoupled the motor from the gearbox, and turned the gearbox manually. Upon hearing the grating sound on one side, he told the ele