03M系列tier2的引擎解析

Click to edit Master title style,Click to edit Master text styles,Second level,Third level,Fourth level,Fifth level,Service Training,第,2,次,(Tier 2),排放标准,Tier 2 Emissions,为符合美国环境疼惜厅(US EPA)第2次(Tier 2)排放法规而进展的发动机改进,Engine changes for,US EPA Tier 2 Emission Regulations,符合,Tier 2,标准的发动机信息,Tier 2 Engine Information,久保田为符合Tier 2排放法规而制定的方针,Kubotas policy for meeting Tier 2 emissions regulations,识别符合Tier 2标准的发动机,Identifying the Tier 2 engine,为符合Tier 2法规而进展发动机改造的概要,部件信息,修理变更,Outline of engine modifications for Tier 2 regulations,Parts information,Service changes,排放法规的将来“一瞥”,A“Peek”at the future of emissions regulations,排放法规,Emissions Regulations,法规：,美国环境疼惜厅(US EPA)削减发动机的排放量,日本和欧盟(EU)测试发动机。但是，当发动机规格有较大的变化时，也要进展车辆排放测试。,Regulations:,EPA Reduce emissions from the engine,Japan and EU Test the engine.But there is also a test of the vehicle emissions in any case where a major change is made to specifications of the engine,久保田的答复Kubotas Response,固然要去除废气！,Of course,clean the exhaust!,但是在去除废气的同时，不能,缩短发动机的寿命,过于增加发动机的本钱,But clean the exhaust without,Reducing the longevity of the engine,Increasing the cost of the engine excessively,因此,久保田发动机的“脚印”仍将保持不变,但将通过世界各地的适用法规,Because of this,The engine“footprint”remains the same,The engine passes all applicable regulations worldwide,Tier 2,的识别,Tier 2 Identification,如何识别符合,Tier 2,标准的发动机,?,How can I tell if an engine is a Tier 2 engine?,Tier 2,的信息,Tier 2 Information,在两年多的时间里，分阶段实施EPA Tier 2标准：,EPA Tier 2 phased in over 2 years:,输出功率为18.6 kW或以上的发动机从2023年1月1日起启用Tier 2标准,Engine output 18.6 kW and greater,Tier 2 starts January 1,2023,输出功率为18.5 kW或以下的发动机从2023年1月1日起启用Tier 2标准,Engine output 18.5 kW and less,Tier 2 starts January 1,2023,18.6,kW=25,马力,Tier 2,的识别,Tier 2 Identification,检查标签上的型号：,Check the MODEL on the label:,以“,E”,结尾的型号是,Tier 1,发动机,Models ending in“E”are Tier 1 engines,以“,ES”,结尾的型号是,Tier 2,发动机,Models ending in“ES”are Tier 2 engines,Tier 1,型号,Tier 1 Model,Tier 2,型号,Tier 2 Model,Tier 2,图解零件清单,Tier 2 Illustrated Parts Lists,Tier 2柴油零件清单用E2B表示。,例如：V1505-E2B-FINN-1,Tier 2 Diesel parts lists are identified with E2B.,Example:V1505-E2B-FINN-1,Tier 1柴油零件清单用EB表示。,例如：V1505-EB-FINN-1,Tier 1 Diesel parts lists are identified with EB.,Example:V1505-EB-FINN-1,管制前的柴油零件清单用B表示。,例如：V1505-B-FINN-1,Earlier Diesel parts lists are identified with B.,Example:V1505-B-FINN-1,为符合Tier 2标准而进展的改造Tier 2 Modifications,发生的变化及其影响如何,?,What is being changed and how does it affect me?,改造概要,Outline of Modifications,IDI(涡流式)E(环境)-TVCS(三喷流燃烧系统)的优化,IDI optimization of E-TVCS system,DI(直喷式)新的DI(直喷式)燃烧系统,活塞碗、进气口、燃料喷射系统,DI-new DI combustion system,Piston bowl,inlet port,fuel injection system,IDI(涡流式)/DI(直喷式)生成容量误差把握,喷射正时和燃油量,压缩率,IDI/DI Production tolerance control,Injection timing and quantity of fuel,Compression ratio,NA(自然吸气式)符合EPA标准的封闭式通气系统,NA Closed breather system for EPA,涡轮 一些发动机上配备的符合R24(EU)和MLIT(日本)标准的增压补偿器,Turbo Boost compensator for R24(EU)and MLIT(Japan)on some engines,05系列,05,Series,03和03-,M,系列,03 and 03-M Series,V3,系列,V3 Series,超迷你系列,Super Mini Series,改造和零件变化,Modifications and Parts Changes,03和03-,M,的改造,03&03-,M Modifications,预燃室的变化(IDI),涡流更大，漩涡更多,Precombustion Chamber changes(IDI),Wider vortex,more swirl,半浮动式气缸头盖(除V2023T以外),Half-Float Head Cover(Except V2023T),封闭式通气系统(仅非涡轮型),Closed Breather System(Non-turbo Only),适用于涡轮机的增压补偿器(仅03-M型),Boost Compensator available on Turbo(03-M Only),两段式喷油嘴(仅03-M-DI型),2-Stage Injection Nozzles(03-M-DI Only),半浮动式气缸头盖,Half-Float Head Cover,现行03系列和Tier 2 V2023T,Current 03 Series&Tier 2 V2023T,新型03(,V2003T,除外)和所有,03-M,系列,New 03(Except V2003T)&All 03-M Series,封闭式通气系统,Closed Breather System,通气管,Breather Tube,通气阀,Breather Valve,节温器,Thermostat,执行元件,Actuator,把握台,Control Rack,削减 Decrease,增加,Increase,增压补偿器,Boost Compensator,增压补偿器剖面,Boost Compensator Cutaway,两段式,DI,喷油嘴,2,Stage DI Injection Nozzles,提升块,提升块,第一段是燃料的少量喷发。燃料燃烧，引起湍流增加，使剩余燃料完全混合，从而产生更大的功率和更好的喷射效果。,First stage is a small burst of fuel.This fuel burns,causing an increase in turbulence so that the rest of the fuel mixes thoroughly,providing more power and improved emissions.,ID,标志,ID Mark,(1):,生产日期,No.,(1):Product Date No.,(2):,支架,No.,(2):Holder No.,(3):,ID No.,(3):ID No,(1)(2),*Z*,*,(3),BOSCH,(,博世,),两段式喷嘴(仅03-,M-DI,型),2-,Stage Nozzle(03-M-DI-Only),ID,颜色,(,用于,BOSCH,(,博世,),ID Color,(,for,BOSCH),喷嘴的识别,Nozzle Identification,03和03-M的修理工程03&03-M Service Items,03-M系列上喷油泵的拆卸及更换,Injection pump removal and replacement on 03-M Series,半浮动式气缸头盖的拆卸及更换(除V2023T以外),Half-float head cover removal and replacement(Except V2023T),有5种气缸头垫片(仅DI型),5 head gaskets available(DI Only),3种活塞高度(仅DI型),3 piston heights(DI Only),喷油泵的拆卸及更换仅03-,M,型,Injection Pump Removal/Replacement 03-M Only,拆卸喷油泵时，首先要拆卸起动弹簧和制动电磁阀，否则会损坏起动弹簧和/或电磁阀导管。,When removing the injection pump,remove the start spring and stop solenoid first.Failing to remove them will cause damage to the start spring and/or solenoid guide!,制动电磁阀,Stop Solenoid,起动弹簧,Start Spring,半浮动式气缸头盖,Half-float Head Cover,拆卸和更换顶盖时，务必从气缸头盖中心向两端紧固带肩螺栓。,When removing and replacing the head cover,be sure to tighten shoulder bolts from t