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1.故障现象我厂承修的1台2000型油井压裂车,其上车发动机通过艾里逊CLT9880型工程机械专用动力换挡变速器将动力输至压裂泵。该变速器换挡采用手动操纵、电液控制,共有8个挡位。该压裂车报修项目是动力换挡变速器Ⅰ、Ⅲ、Ⅳ、Ⅶ挡控制有效,Ⅱ、V、Ⅵ、Ⅷ挡控制失灵。2.变速器结构和工作原理(1)结构艾里逊CL-T9880动力换挡变速器由变矩器和变速器组成,发动机先将动
1. Symptom I plant a repair of 2000 oil well fracturing car, the car engine through Allison CLT9880-type engineering machinery for power shift transmission power transmission to the fracturing pump. The transmission shift manual control, electro-hydraulic control, a total of eight gear. The fracturing truck repair project is the power shift transmission Ⅰ, Ⅲ, Ⅳ, Ⅶ block effective control, Ⅱ, V, Ⅵ, Ⅷ block control failure. 2. Transmission structure and working principle (1) structure Allison CL-T9880 power shift transmission torque converter and transmission by the composition, the engine will move