2.颇尔滤芯选用不当，超过了其允许的最高工作压力。例如同为纸质滤油器，

型号为ZU-100*20Z的额定压力为6.3MPa,而型号为ZU-H100*20Z的额定压力可达32MPa。如果将前者用于压力为20MPa的液压系统，滤芯必定被击穿而破坏。

3.在装有高压蓄能器的液压系统，因某种故障蓄能器油液反灌冲坏滤油器

HC0101FKP36H AC9600FUN16ZYM AC9600FUP16ZYM AC9600FKN16ZYM AC9600FKP16ZYM 161.35 AC9600FUN4ZYM AC9600FUP4ZYM AC9600FKP4ZYM AC9600FKP4ZYM 215.65 AC9600FUN8ZYM AC9600FKN8ZYM AC9600FUP8ZYM AC9600FKP8ZYM 48.33 HC572FEC9H HCS630KUN9H HCS630KUP9H HCS630KUS9H HCS630KUT9H 329.43 HC0101FKN36H HC0101FKP36H HC0101FKS36H HC0101FKT36H 60.93 HC2206FKN3H HC2206FKP3H HC2206FKS3H HC2206FKT3H HC2206FUN3H HC2206FUP3H HC2206FUT3H HC2206FDN3H HC2206FUS3H HC2206FDP3H HC2206FDS3H HC2206FDT3H 63.93 HC2206FUP6H HC2206FUN6H HC2206FKT6H HC2206FUS6H HC2206FUT6H HC2206FKS6H HC2206FDN6H HC2206FDP6H HC2206FKP6H HC2206FDS6H HC2206FKN6H HC2206FDT6H 71.33 HC2207FDP3H HC2207FDP6H HC2207FDT3H HC2207FDT6H 57.78 HC2216FKN4H HC2216FKP4H HC2216FKS4H HC2216FKT4H 69.95 HC2216FKN6H HC2216FKP6H HC2216FKS6H HC2216FKT6H 113.78 HC2217FKN4H HC2217FKP4H HC2217FKS4H HC2217FKT4H 119.60 HC2233FKN13H HC2233FKP13H HC2233FKS13H HC2233FKT13H HC2233FUN13H HC2233FUP13H HC2233FUS13H HC2233FUT13H HC2233FDN13H HC2233FDT13H HC2233FDS13H HC2237FDP13H 105.65 HC2233FUT6H HC2233FUS6H HC2233FKP6H HC2233FDP6H