农业机械发动机如果出现进水情况,切不盲目可启动发动机,应按以下方法先进行维护保养。1.排除积水,全面检查、清理清洁机械设备上面、仓储空间、链条与皮带传动箱罩、螺旋或括板输送与提升器等空间内的杂物、污垢、物料。检查各传动、工作、作业部件是否正常,并加注润滑油脂检;查润滑油、脂,若进水必须进行更换,不足添加。进行必要的紧固、张紧与检查调整。2.进排气系统保养及时拆卸空 Agricultural machinery engine in case of water, do not blindly start the engine should be the first method of maintenance. 1. Remove stagnant water and thoroughly inspect and clean the debris, dirt and materials in the space above the cleaning machinery and equipment, storage space, chain and belt drive box cover, spiral or brackets conveying and lifting equipment. Check the transmission, work, homework parts are normal, and add grease test; check lubricants, grease, if the water must be replaced, insufficient to add. Make the necessary tightening, tensioning and checking adjustments. 2. Into the exhaust system maintenance timely removal of empty