1. Check the power of the battery, and ensure that there is enough power, charge it in time;
2. Drive the hydraulic lift to the work site and confirm that the obstacles and the ground are solid within 4 meters;
3. Check the power cord, if it is damaged, repair or replace it in time;
4. Check the safety and sensitivity of each control button and switch, if not sensitive, repair or replace in time;
5. Check whether the hydraulic oil pipeline is damaged and aging, whether the joint is loose or leaking oil, to ensure that the oil pipeline and joint are intact, such as damage, oil leakage, looseness, timely inspection and repair;
6. Check the tightening of the connecting bolts at each junction of the lifting frame; if loose, tighten in time to ensure safety;
7. Check the barriers of the lift, if damaged or loose, check and repair in time.
