混流泵5、泵运转时注意有无杂音及泵内是否有剧烈的磨擦和撞击声，如有就停车检查。Whenthepumpisrunning,plspaymoreattetiononthenoiseandfrictionandclashingnoise,iftherearestrongnoise,plsstopthepumptocheck.6、检查进、出水管路有无进气漏气现象。Checkthewater-inandoutpipesiftheyareleakingair.7、如电机与水泵为直联传动，需检查电机与水泵的轴心线是否在同一直线上，以防转时振动。Whenthemotorandpumparedirectconnecteddrive,checkthemotorandpumpaxileleadiftheyareinthesamelineto***oidvibrating.2、水泵起动后有一股水就不出水了Afterstarting,thepumponlysendonestreamwaterthennowaterrunsout1、吸入的水中有过多气泡2、吸水管中窝存空气3、吸水管或连接处垫料不严密有进气现象4、底阀或叶轮有水草杂物填塞1.Therearetoomanybubblesintheindrawnwater2.Thereisairinthesuctionpipes3.Thepaddingsinconnectedpartsareimprecisionandproducesleakingphenomenon4.Therearewaterweedsandsundriesfilledinthebottomvalveorimpeller1、检查进水管末端是否在水平面以下一米左右2、排除空气3、高速垫料，填塞缝隙拧紧螺栓4、消除水草杂物1.Checktheendofwaterinletpipeifitisunderthewatersurfaceatonemeter2.Removetheair3.Addpaddingtofillthegapsandthentightenthebolts4.Clearthewaterweedsandsundries.5、水泵有杂音或振动Thereisnoiseinpumporthepumpisvibrating1、轴中心没有对正2、轴弯曲轴承磨损过大3、叶轮平衡性差4、地脚螺栓松动5、装置不当6、叶轮局部阻塞7、吸水高度太高、发生汽蚀8、泵内掉进杂物1.Theaxilecenterisnotaligning2.Theaxileisbend,thebearingwearsmuch3.Thebalanceofimpellerisnotgood4.Thefoundationboltsareloose5.Theassemblyisimproper6.Partoftheimpellerisblocked7.Thesuctionheadistoohightoproducec***itation8.Therearesundriesinpump.1、找正2、校正或更换轴承3、进行静平衡试验和调整4、拧紧5、检查机组6、消除杂物7、降低安装位置减低安装高度8、清除杂物1.Calibrate2.Calibrateitorchangethebearing3.Dothestaticbalancingtestandadjustit4.Tightenit5.Checkthepumpunit6.Removethesundries7.Reducetheinstallationsitetoreducetheinstallationheight8.Removethesundries)