tace wrote:
thank you very much for the help. but the problem is continuing. I
changed the pad and took another one from a different machine and still
it is overheating and is very uncomfortable to step on when sewing



Obviously the motor is drawing too much current, it's either
mechanically binding or the motor is bad. As I said earlier, the pedal
is nothing but a resistor in many machines, the only thing that will
cause it to overheat is too much load.