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Maintenance and protection of scissor lift platform

Maintenance and protection of scissor lift platform
1. Discard and discard the hydraulic oil, tighten the connector and take out the oil filter. After cleaning, clean it with compressed air, then put it back into the oil tank and connect the pipeline. (Replace with new oil, do not inherit the old oil. Otherwise, the moving parts in the hydraulic elevator system will accelerate wear.
2. Remove and disassemble the elevator lowering valve, blow out the plunger with compressed air, then install and reinstall. Check all hydraulic pipes and joints. The pipeline must not be damaged, and the joints must not be loose. All joints must be tightened.
3. The quality and level of hydraulic oil. The lift is raised all the way. In this position, the hydraulic floor should be 40 to 50 mm above the bottom of the tank. If it is found that the hydraulic oil is dark, sticky or there may be foreign materials such as grit, it should be replaced in time (32# hydraulic oil).
4. Add some lubricating oil to all parts to extend the service life of the elevator bearings. Check the hydraulic elevator rollers, center shaft and bearings, cylinder pin shafts and bearings, boom hinge shafts and bearings for wear.
5. The pressure relief must be done between any parts in the hydraulic system to avoid the pressure oil from spraying out, and the elevator work platform will suddenly fall.
6. Do not adjust the overflow valve arbitrarily. Each component of the hydraulic elevator system is operated under the specified pressure. Any adjustment of the relief valve may cause abnormal operation of the hydraulic system.
7. When checking under the elevator operating system, the elevator working channel must be suspended and supported to prevent the elevator from descending suddenly.
8. Non-professional workers are not allowed to disassemble and assemble electrical appliances at will to prevent electric shock or misconnection.