潍柴后处理故障诊断及案例.pdf

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1、潍柴后处理故障诊断及案例分析目录第一章、潍柴后处理系统概述...........................................................................................1第二章、后处理系统各零部件技术参数及针脚图.............................................................2一、尿素泵.................................................

2、.....................................................................21.博世2.2尿素泵.........................................................................................................22.博世6.5尿素泵..............................................................

3、...........................................23.气助式尿素泵............................................................................................................3二.尿素喷嘴...........................................................................................

4、..........................41博世尿素喷嘴...........................................................................................................42气助式尿素喷嘴.......................................................................................................4三.氮氧

5、传感器..................................................................................................................4四.排气温度传感器..........................................................................................................5五.尿素箱液位温度传感器............

6、...................................................................................5第三章、故障诊断指导与案例分析....................................................................................5一典型常见后处理故障................................................................

7、.................................5二.SCR箱相关故障..........................................................................................................51SCR箱故障责任判定标准..........................................................................................42SC

8、R箱故障案例.........................................................................................................4三.尿素箱相关故障.........................................................................