First, for the decommissioned centrifugal pump, put the pump and hose to the well and put the water in the pump and the hose. Then, according to technical requirements, carefully inspect the pump impeller, bearings, cups and other parts, if it is damaged should be replaced. The bearings are washed with gasoline, greased and installed. The bottom valve of the water pump, elbow pipe and other cast iron parts have been rusted and then coated with butter and stored in a dry place for reuse in winter and spring. Second, deep well pump. If the deep well pump is temporarily not used, it can be started every 7 to 10 days for half an hour to prevent electric equipment, starters and other electrical equipment from getting wet and the rotating parts of the pump rusting. If the period of decommissioning is long, the pump should be lifted from the well for maintenance, rust removal, oil painting and replacement, and stored in the warehouse after assembly. Third, the motor. The motor should not be easily affected by moisture for a long time, so it should be removed from the well, pulled back into the room, and the dirt on the motor housing should be wiped clean. The integrity of the movement part should be inspected according to technical requirements. If there are worn parts, they should be repaired or replaced. After the technical requirements are met, they can be stored for storage. If it is deactivated for a short period of time, it can be covered with oil felt or plastic cloth on the motor and starter to prevent rain, moisture and dust. Fourth, diesel engines. In the summer and autumn rain season, diesel engines that are not used at the riverside and next to the well should be lifted indoors. According to technical requirements, conduct a thorough inspection, repair, change parts, and oil to keep all parts in good condition. Then store it up for reuse in winter and spring.
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