2. Abnormal sound appears: see if the ring screws are tightened, whether the ring is fully fitted, whether the machine is stable, whether the spring is broken or cracked, the body collides with other hard objects, whether the motor alloy steel screws are loose, Whether the discharge port is in contact with other foreign objects.

3. Raw materials and discharge: observe whether the motor runs in the wrong direction, the angle between the upper and lower eccentric blocks is too large, and the device of the upper and lower eccentric blocks is wrong.

4. Fine mesh is easy to break: whether the raw material directly impacts the mesh surface, whether the fine mesh is tightened, whether the coarse mesh has been damaged, or the rubber pad has been worn thin.

5. The outlet of the stainless steel frame is cracked: whether the overweight pipe is connected or the heavy object is hung, whether the ring is locked evenly.

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