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To ensure the service life of plastic pumps, it is necessary to ensure that they are operated correctly during use, and that their usage methods as well as maintenance procedures are carried out in accordance with standards. Only by meeting these standards can the service life of plastic pumps be effectively ensured; this principle is relatively easy to understand. The following content will mainly discuss the precautions that should be taken when using plastic pumps. I. When a plastic pump is not in use for an extended period of time, it is necessary to disassemble the entire pump, dry out any moisture present, to prevent corrosion of the pump body. Lubricant should be applied to the moving parts and joints, after which the pump should be reassembled properly ； II. In cold weather, after using a plastic pump, it is necessary to first unscrew the waterproof plug at the bottom of the pump in order to drain all the medium that was used in transportation, thereby preventing the pump body from cracking due to freezing ； III. When in frequent use, it is necessary to regularly check for wear on the shaft sleeves; once wear reaches a certain level, they should be replaced promptly. IV. When using a plastic pump, it is necessary to frequently adjust the packing gland to ensure proper functioning with no leaks in the packing chamber. When using a plastic pump, the operator must strictly follow these guidelines; no negligence is allowed, to avoid causing irreversible damage to the pump. What seems like a simple task is easy to carry out without problems for one day, but maintaining it over time is difficult; this will also pose a challenging test for the staff.