Precautions for using spiral sand washing machine: 1. Before using the spiral sand washing machine, you must first check whether all parts of the equipment are normal, especially whether there are any abnormalities in the motor, reducer, bearings and other parts. 2. During use, ensure that the operating environment of the equipment is dry and clean, and keep away from flammable and explosive items. 3. Before starting the spiral sand washing machine, check whether its power supply is normal and ensure that the voltage matches the equipment requirements. 4. During the operation, the operation instructions of the equipment must be strictly followed, and the operating parameters of the equipment must not be changed at will. 5. When cleaning sand and gravel, make sure that the size of the sand and gravel matches the requirements of the equipment to prevent sand and gravel that is too large or too small from entering the equipment and affecting the normal operation of the eq…