| Condition of failure | | Cause (in processing) | remedy |
|
|---|
| Poor capacity | | foreign matter in feed valve. | remove foreign matter. | | worn emery rings | replace them | | worn brake rods | replace them |
|
| A large amount of broken rice | | a large amount of rice with crack | reduce load by reducing feed rate | | excessive weight resistance | adjusting weight | | brake rods worn | replace them |
|
| Rice temperature rise too high | | insufficient air | increasing air flow rate | | inferior efficiency of screen, emery rings due to wear down | replace them | | adhesion of bran to screen frame or clogging thereof | remove the bran stuck on the frame or on the apertures |
|
| Inferior efficiency of whitening degree | | worn emery rings and screen | replace them | | adhesion of bran to screen frame or clogging thereof | remove the bran stuck on the frame or on the apertures |
|
| Inferior efficiency of bran-removing | | insufficient air | increasing air flow rate |
|
