1. Before driving, turn on the power, make a test run and check whether all parts of the machine are normal
2. The direction of rotation of the mixing fins should be the same as the direction of the arrows;
3. The lubrication of the machine: the two bearings on the mixing shaft should be filled with grease once a year, check the seal of the oil seal, and replace the damaged parts in time. When mixing, you should not put your hand into the cylinder, and the machine shell must be grounded.