泵发热或异常噪声的处理办法：
1、泵内有严重的摩擦
检查原动机与主动螺杆的装配对中性。消除超差。检查螺杆泵衬套及滑动轴承的同轴度和是否有杂质。更换超差零件
以及消除间隙中的杂质或更换磨损零件。
2、机械密封回油孔堵塞
消除回油孔的障碍物
3、介质温度过高
降低温度
4、滑动轴承发生干摩擦
泵内灌满介质，并盘动主动螺杆几圈，使得滑动轴承有介质润滑
故障二：流量下降。
1、泵未达到额定转速
检查动力源，如电动机的电压、转速等
2、螺杆或螺杆衬套磨损，造成间隙过大
更换磨损零件
3、安全阀不密封
使阀完全复位或修理甚至更换阀、阀座、弹簧
SMH卧式三螺杆泵型号(SMH卧式安装、SMS立式安装、SMF法兰式安装、SME插装式安装)(R为右旋，L为左旋)
SMH40R38E6.7W23 SMH40R38U8W23 SMH40R38U12.1W23
SMH40R46E6.7W23 SMH40R46U8W23 SMH40R46U12.1W23
SMH40R54E6.7W23 SMH40R54U8W23 SMH40R54U12.1W23
SMH80R36E6.7W23 SMH80R36U8W23 SMH80R36U12.1W23
SMH80R42E6.7W23 SMH80R42U8W23 SMH80R42U12.1W23
SMH80R46E6.7W23 SMH80R46U8W23 SMH80R46U12.1W23
SMH80R54E6.7W23 SMH80R54U8W23 SMH80R54U12.1W23
SMH120R42E6.7W23 SMH120R42U8W23 SMH120R42U12.1W23
SMH120R46E6.7W23 SMH120R46U8W23 SMH120R46U12.1W23
SMH120R54E6.7W23 SMH120R54U8W23 SMH120R54U12.1W23
SMH210R40E6.7W23 SMH210R40U8W23 SMH210R40U12.1W23
SMH210R46E6.7W23 SMH210R46U8W23 SMH210R46U12.1W23
SMH210R54E6.7W23 SMH210R54U8W23 SMH210R54U12.1W23
SMH280R43E6.7W23 SMH280R43U8W23 SMH280R43U12.1W23
SMH280R46E6.7W23 SMH280R46U8W23 SMH280R46U12.1W23
SMH280R54E6.7W23 SMH280R54U8W23 SMH280R54U12.1W23
SMH440R40E6.7W23 SMH440R40U8W23 SMH440R40U12.1W23
SMH440R42E6.7W23 SMH440R42U8W23 SMH440R42U12.1W23
SMH440R46E6.7W23 SMH440R46U8W23 SMH440R46U12.1W23
SMH440R54E6.7W23 SMH440R54U8W23 SMH440R54U12.1W23
SMH660R40E6.7W23 SMH660R40U8W23 SMH660R40U12.1W23
SMH660R44E6.7W23 SMH660R44U8W23 SMH660R44U12.1W23
SMH660R46E6.7W23 SMH660R46U8W23 SMH660R46U12.1W23
SMH660R51E6.7W23 SMH660R51U8W23 SMH660R51U12.1W23
SMH660R54E6.7W23 SMH660R54U8W23 SMH660R54U12.1W23
SMH940R42E6.7W23 SMH940R42U8W23 SMH940R42U12.1W23
SMH940R46E6.7W23 SMH940R46U8W23 SMH940R46U12.1W23
SMH940R50E6.7W23 SMH940R50U8W23 SMH940R50U12.1W23
SMH940R54E6.7W23 SMH940R54U8W23 SMH940R54U12.1W23
SMH1300R38E6.7W23 SMH1300R38U8W23 SMH1300R38U12.1W23
SMH1300R42E6.7W23 SMH1300R42U8W23 SMH1300R42U12.1W23
SMH1300R46E6.7W23 SMH1300R46U8W23 SMH1300R46U12.1W23
SMH1300R54E6.7W23 SMH1300R54U8W23 SMH1300R54U12.1W23
SMH1700R42E6.7W23 SMH1700R42U8W23 SMH1700R42E6.7W23
SMH1700R46E6.7W23 SMH1700R46U8W23 SMH1700R46E6.7W23
SMH2200R42E6.7W23 SMH2200R42U8W23 SMH2200R42E6.7W23
SMH2200R46E6.7W23 SMH2200R46U8W23 SMH2200R46E6.7W23
SMH2900R40E6.7W23 SMH2900R40U8W23 SMH2900R40E6.7W23
SMH2900R46E6.7W23 SMH2900R46U8W23 SMH2900R46E6.7W23
SMH3600R46E6.7W23 SMH3600R46U8W23 SMH3600R46E6.7W23
SMH5300R46E6.7W23 SMH5300R46U8W23 SMH5300R46E6.7W23