1. Pay attention to the battery power frequently, and recharge it in time when it is found to be low or insufficient
2. Reliability and flexibility inspection of steering components;
3. Check the tightness of various parts, such as: wheels, steering, wheels, chain buckles, etc.; check the hydraulic system leakage, lifting cylinders, battery leakage, drive motors, various accessories, etc.; pay attention to whether the feet are firm;