7大型养路机械常见故障处理7.DCL-32捣固车故障处理3-Common-troubleshooting-of-large-scale-road-maintenance-machinery-7.-

RAILWAYSECTORTreatmentofcommonfaultsoftampingtruckCONTENTSTroubleshootingoperation(thedieselenginecannotbestarted)BrakeTroubleshootingTroubleshootingoperation(thechargingindicatorlightsuddenlyturnsonduringdieselengineoperation)Troubleshootingoperation(thechargingindicatorlightsuddenlylightsupduringthedieselengineworkingperiod2)BrakeTroubleshooting1.Duringemergencybraking,thetotalwindpressuredropsrapidly,whichaffectsthebrakingpressureorrelievesitself.2.Reasonanalysis:(1)Themicroswitchbelowtheemergencyairreleasevalveisdamagedorthewiringisloose,andtheelectro-pneumaticvalveisdamagedorthewiringisloose(onlyfortampingtrucksproducedbyKunmingfactorybefore1995).5.Troubleshooting(Brake5)(2)Thegatehandlehasnotbeenmovedtotheholdingposition.Ittakesabout15secondsforthepressureairintheemergencyroomtobeexhaustedintheemergencyairreleaseroom.After15seconds,theemergencypistonintheemergencyairreleaseroommovesup,andthemicroswitchundertheemergencyairreleasevalveisreset.Atthistime,thesluiceisinthereliefpositionortheoperatingposition.Thetotalairshutoffvalveintherelayvalveisopened.Iftheemergencybrakevalveisnotreset,thetotalwindpressuredropsrapidly;iftheemergencybrakevalveisreset,itmayhappenthatthetrainhasbeguntorelievebeforeitstops.5.Troubleshooting(Brake5)3.Emergencytreatmentmethod:incaseofemergencybrakingortheabovesituation,quicklyputthemaingatetothepressureholdingposition,usethemicroswitchofthemaingatetoconnecttheelectricalspace,closethemainwindblockingvalvetopreventthemainwindfromenteringthetrainpipe.Iftheelectro-pneumaticvalveisdamagedorthewiringislooseandcannotberuledout,switchtobypassbrakingandnotifyothervehiclestostopusingbypassbraking.5.Troubleshooting(Brake5)4.Preventivemeasures:Afteropeningtheemergencybrakevalve,movethehandleofthemaingatetothepressureholdingposition,sothattheelectricinterlockofthemaingatealsoactsontheelectro-pneumaticvalve.Afterthetotalairinthevalve,theshut-offvalvecontinuestoclose,cuttingofftheairsupplysourceofthetrainpipe.Whentheemergencybrakingneedstoberelieved,thebrakehandleshouldbemanipulatedtothereliefpositiontorelievetheemergencybraking,insteadofbeingrelievedbytheemergencybrakingprocess.5.Troubleshooting(Brake5)1.Whenthebrakeisapplied,thebrakepressureisinsufficient.2.Reasonanalysis:(1)Whentheinflationisrelieved,theworkingaircylinderisnotfullofwind.Whenthebrakeisapplied,thepressureoftheworkingaircylinderisusedtocontrolthepressureofthebrakecylinder.Whenrelieved,thetimefortheworkingaircylinderpressuretorisefromzeroto280kPais3.5s,andthetimefromzeroto480kPais60~80s.Generally,thereshouldbearelieftimeof15stoensurenormalbrakingnexttime.6.Troubleshooting(Brake6)(2)Theworkingaircylinderpipingsystemhasseriousleakage.(3)Thevolumechamberpipingsystemhasseriousleakage.(4)Duetotheloosecushionofthedistributionvalveseatorthecrackofthevalveseat,thepressureairfromtheworkingaircylindertothevolumechamberisleaked.(5)Duetothedamageofthemainpistondiaphragmofthedistributionvalve,thecompressedairoftheworkingaircylinderisdischargedintotheatmospherealongwiththedecompressionofthetrainpipe.6.Troubleshooting(Brake6)3.Emergencyhandlingmethod:switchtoasmallbrakeandnotifyothercarstouseasmallbraketobrake.Inanemergency,youcanusethebypassbraketostop.Afterreturningtothebase,check(2)and(5)inordertoeliminatethefault.4.Preventivemeasures:Therelieftimeafterbrakingmustreach15sbeforethenextbrakingcanbeperformedtopreventbrakingfailureandaccidents.6.Troubleshooting(Brake6)Troubleshootingoperation(thedieselenginecannotbestarted)TampingvehiclesimulationtrainingenvironmentTampingvehiclesimulationtrainingenvironmentTheDCL-32dieselenginedoesnotstart,thespecificprocessingflow:1.Closethe"batterypowerkeyswitch"and"enginestartpowerkeyswitch".2.Starttheengine.3.Thedieselenginecannotbestarted.4.Confirmthatthevoltageof"terminal206"is24Vandthevoltageisnormal.5.Confirmthatthevoltageof"13D5"is24Vandthevoltageisnormal.6.Checkthatthe"13E27Insurance"isdamaged.7.Maintain13E27insurance.8.Thetroubleshootingiscomplete.1.Troubleshootingoperation(thedieselenginecannotbestarted)TheDCL-32dieselenginedoesnotstart,thespecificoperationsteps:1.Setthe"batterypowerkeyswitch"(rearcab)tothe"closed"position.1.Troubleshootingoperation(thedieselenginecannotbestarted)2.Setthe"enginestartpowerkeyswitch"(rearcab)switchtothe"closed"position.1.Troubleshootingoperation(thedieselenginecannotbestarted)3.Setthe"frontcabenginestartlever"tothe"start"position.1.Troubleshootingoperation(thedieselenginecannotbestarted)4.Thedieselenginecannotbestarted.1.Troubleshootingoperation(thedieselenginecannotbestarted)5.Useamultimetertomeasurethevoltageof"Terminal206"(BoxB13inthecorridoratoneend).1.Troubleshootingoperation(thedieselenginecannotbestarted)6.Confirmthevoltagestatusof"terminal206".1.Troubleshootingoperation(thedieselenginecannotbestarted)7.Useamultimetertomeasurethevoltageof"13D5Relay"(inboxB13).1.Troubleshootingoperation(thedieselenginecannotbestarted)8.Confirmthe"13D5"voltagestatus.1.Troubleshootingoperation(thedieselenginecannotbestarted)9.Checkwhetherthe13E27insuranceisnormal(BoxB13inthecorridoratoneend).1.Troubleshootingoperation(thedieselenginecannotbestarted)10.Maintain13E27insurance.1.Troubleshootingoperation(thedieselenginecannotbestarted)11.Pleasestartthedieselengine.12.Turnonthemainpowerkeyswitchandthewholecarhasnoelectricityandthetroubleshootingiscomplete.1.Troubleshootingoperation(thedieselenginecannotbestarted)Troubleshootingoperation(thechargingindicatorlightsuddenlyturnsonduringdieselengineoperation)Whenthedieselengineisworking,thechargingindicatorlightsuddenlylightsup.Specificprocessingflow:1.Closethe"batterypowerkeyswitch"and"enginestartpowerkeyswitch".2.Starttheengine.3.Thedieselenginecannotbestarted.4.Checkthatthebatteryisfaulty.5.Maintainthebattery.6.EndoffaulthandlingTroubleshootingoperation(thechargingindicatorlightsuddenlyturnsonduringdieselengineoperation)Whenthedieselengineisworking,thechargingindicatorlightsuddenlylightsup.Thespecificstepsfortroubleshooting:1.Setthe"batterypowerkeyswitch"(rearcab)tothe"closed"position.Troubleshootingoperation(thechargingindicatorlightsuddenlyturnsonduringdieselengineoperation)2.Setthe"enginestartpowerkeyswitch"(rearcab)switchtothe"closed"position.Troubleshootingoperation(thechargingindicatorlightsuddenlyturnsonduringdieselengineoperation)3.Setthe"frontcabenginestartlever"tothe"start"position.Troubleshootingoperation(thechargingindicatorlightsuddenlyturnsonduringdieselengineoperation)4.Thedieselenginecannotbestarted.Troubleshootingoperation(thechargingindicatorlightsuddenlyturnsonduringdieselengineoperation)5.Themotorpowersupplyisinsufficientandthestartingspeedistooslow.Pleasecheckthebattery.6.Pleasecheckwhetherthebatteryisnormal(onthefloorundertheB13box).Troubleshootingoperation(thechargingindicatorlightsuddenlyturnsonduringdieselengineoperation)7.Pleasemaintainthebattery.Troubleshootingoperation(thechargingindicatorlightsuddenlyturnsonduringdieselengineoperation)8.Pleasestartthedieselengine.9.Turnonthemainpowerkeyswitchandthewholecarhasnoelectricityandthetroubleshootingiscomplete.Troubleshootingoperation(thechargingindicatorlightsuddenlyturnsonduringdieselengineoperation)Troubleshootingoperation(thechargingindicatorlightsuddenlylightsupduringthedieselengineworkingperiod2)Thechargingindicatorlightsuddenlylightsupduringthedieselengineworkingprocess1.Closethe"batterypowerkeyswitch"and"enginestartpowerkeyswitch".2.Starttheengine.3.Thedieselenginecannotbestarted.4.Confirmthatthevoltageof"terminal206"is24Vandthevoltageisnormal.5.Confirmthatthevoltageof"13D5"is0V,andthevoltageisabnormal.6.Checkthatthe13D5relayisdamaged.7.Maintainthefaultydevice"13D5Relay".8.Thetroubleshootingiscomplete.Troubleshootingoperation(thechargingindicatorlightsuddenlylightsupduringthedieselengineworkingperiod2)Whenthedieselengineisworking,thechargingindicatorlightsupsuddenly1.Setthe"batterypowerkeyswitch"(rearcab)tothe"closed"position.Troubleshootingoperation(thechargingindicatorlightsuddenlylightsupduringthedieselengineworkingperiod2)2.Setthe"enginestartpowerkeyswitch"(rearcab)switchtothe"closed"position.Troubleshootingoperation(thechargingindicatorlightsuddenlylightsupduringthedieselengineworkingperiod2)3.Setthe"frontcabenginestartlever"tothe"start"position.Troubleshootingoperation(thechargingindicatorlightsuddenlylightsupduringthedieselengineworkingperiod2)4.Thedieselenginecannotbestarted.Troubleshootingoperation(thechargingindicatorlightsuddenlylightsupduringthediesel