发动机功率足够,运转正常,而机器速度缓慢,挖掘无力1、挖掘机的液压泵为柱塞变量泵,工作一定时间后,泵内部液压元件(缸体、柱塞、配流盘、九孔板、龟背等)不可避免的产生过度磨损,造成大量内漏,各参数据不协调,导致流量不足油温过高,速度缓慢,不能建立起高压,所以动作缓慢挖掘无力。对于这类情况的毛病,须卸下液压泵,送交本公司调试中心,打开液压泵进行数据测量,确认挖机问题所在,更换不能继续使用的配件,修复可以继续使用的配件,重新组装液压泵后,上泵阀校验台调试。匹配各系统软参数(压力、流量、扭矩、功率等)即可。2
A10VO28DFR/31R-PPA12N00
A10VO45DFR/31R-PPA12N00
A10VO71DFR/31R-PPA12N00
A10VO100DFR/31R-PPA12N00
A10VO140DFR/31R-PPB12N00
A10VO28DFLR/31R-PPA12N00
A10VO45DFLR/31R-PPA12N00
A10VO71DFLR/31R-PPA12N00
A10VO100DFLR/31R-PPA12N00
A10VO140DFLR/31R-PPB12N00
A10VO18DFR1/31R-PPA12N00
A10VO28DFR1/31R-PPA12N00
A10VO45DFR1/31R-PPA12N00
A10VO71DFR1/31R-PPA12N00
A10VO100DFR1/31R-PPA12N00
A10VO140DFR1/31R-PPB12N00