In order to accurately grasp the changes in pressure and displacement pumps, mud pumps to be installed on the meter and pressure gauge, ready to make drilling staff to understand the functioning of the pump, but by pressure changes to determine whether the normal condition bore hole to prevent the occurrence of accidents . 3.1.4 Pump repair and maintenance of sewage pumps and pump pit visits once a month to check maintenance records in the "sewage pump inspection and maintenance record" in NSQ100-35-30 pumping sand pump, once a year comprehensive maintenance NSQ150-22- 22 pumping sand pump and maintenance conditions recorded in "pump maintenance records table". 3.1.5 the pump room of valves, check valves, pressure gauges, pipes, etc. at the same time with the pump maintenance. 3.2 Content 3.2.1 Pump body maintenance 1) Check the pump should be no damage, nameplate intact, indicating the direction of flow clear and precise, neat appearance, paint intact. 2) Check for any leaks in the case of pumping sand pump, if leaks should be repaired immediately. 3) Fill with oil, if oil qualitative change color, impurities, should be replaced. 4) coupling connecting screws and rubber gasket should be replaced if damaged. 5) fastening screw base and do rust treatment. 6) Turn flexible, no stuck phenomenon, the shaft and the motor shaft at the same center line. Yining County pumping sand pump mud pump _NSQ100-35-30 _ pumping sand pump is provided by Shijiazhuang-Pump Co., Ltd. faction. Shijiazhuang-school Pump Co., Ltd. (www.shipaipump.com) quality of service and products, continue to receive the recognition and trust of new and old customers and the industry. Our company is a certified member of the whole alliance network operators, business alliance customer service icon on the page, you can talk directly with our customer service staff, to our future cooperation happy!