一、作业前的维护　　1.泵房与井水的要求泵组工作场地周围不得堆放杂物，电动机进风口前应保持清洁，被吸水井(池)内无杂物漂浮，进水口应有防堵塞的纱网。机组在露天地应有防雨、防晒的设施。　　2.机械状态完好泵组各连接螺栓应紧固，电机和水泵的轴承不缺油，轴承间隙正常 First, the pre-job maintenance 1. Pumping room and well water requirements Pumping work area should not be stacked around the debris, the motor inlet should be kept clean before being sucked wells (pool) debris free floating, inlet should be protected Clogged gauze. Unit in the open area should have rain, sun protection facilities. 2. Mechanical condition intact pump group bolts should be fastened, motor and pump bearings are not short of oil, bearing clearance is normal