Plastic machinery in the operation of the plastic storage tanks for maintenance and maintenance, and this maintenance and maintenance should be operated according to certain provisions, so that the operation of machinery and equipment, while the corresponding equipment and safety technical performance requirements to protect, can be effective to ensure the safety of equipment and personnel. Requirements are as follows: 1 the inspection equipment before equipment installation is also made by the various parts of the equipment for inspection, inspection of the main steel structure, bearing, bolts, etc., at the same time for parts of the surface of the corrosion, etc., this should make a record, in order to prepare for future inspection. . for equipment delivery and maintenance equipment maintenance for normal operation, according to the rules and regulations to carry out and daily and regular maintenance and daily maintenance is mainly responsible for cleaning, fastening, lubrication, adjustment, anti-corrosion, this is every day to check, and regular maintenance, in a specified time to machine mechanical equipment were several times of maintenance and repair, cleaning, lubrication, adjustment, disassembly, repair inspection center content. 3. The overhaul requirements equipment overhaul is to explain the damage to the equipment wear is serious or damage is very serious, the mechanical properties decreased significantly, this time is a major overhaul, such as mechanical dynamic performance significantly decreased, increased fuel consumption, control ineffective, abnormal noise or equipment has been unable to play under the condition of normal production performance and take a comprehensive thorough Recovery repair means, this time should in accordance with the provisions of the overhaul, and arrange the progress of the work. 4 of the equipment in the process of the repair of scrap, there will be scrapped, the maintenance professionals responsible for the implementation, to have a record, there is acceptance. For the equipment to exceed and close to the life of the equipment should be provided before the overhaul inspection certificate, and do a good job of scrap records.