... C. In general, the heating process lasts 12 to 24 hours. If there is no drying oven, incandescent lamps ... d) When the motor is started for the first time, and has reached to the rated speed, cut ... unusual during operation*One-phase cut off Check the switch, fuse and wiring etc.*Bearings are short of ... larger capacity motor.*One-phase cut off Check the switch, fuse and wiring etc.*Air passages are blocked ...