16-31变量柱塞泵中国台湾KEILETO凯利通液压油泵

PVH57QIC-RF-2D-11-C28VT16-31\ PVH57QIC-RAF-1S-11-C25VT4-31 

PVH57QIC-RM-1S-10-C25-31-057 PVH57QIC-RSF-2S-10-C25-31-027

PVH57QIC-RAF-1S-11-C25T4-31 PVH57QIC-RF-2S-11-C25VT7-31

PVH57QIC-RSF-1S-11-C25VB-31 PVH57QIC-RSF-2S-10-IC-31-057

PVH57QIC-RAF-2S-10-C25V-31 PVH57QIC-LAF-1S-10-C25V-31

PVH57QICRAF1S11C25VT1531  PVH57QIC-RSF-1S-11-CM7-31

PVH57QIC-RAF-1S-11-ICT4-31 PVH57QIC-RF-2D-10-C25V-31

PVH57QIC-RAF-1S-11-C25-31  PVH57QIC-RAF-2S-10-C25-31

或是加工表面粗糙和铸造出现凹沟。此外，若在安装气门导管时用手锤硬性敲击，则当柴油机工作时因气缸盖很快受热膨胀，极易使气门导管座孔因受热变大，而导致密封不严。

挖掘机修理维修｜挖掘机｜挖掘机修理憋车｜

PVH57QIC-RF-2S-10-C25V-31 PVH57QIC-RF-2S-10-CM7-31

PVH57QIC-RSF-2S-10-C25-31 PVH57QIC-RSF-1S-11-C25-31

PVH57QIC-RF-2D-11-ICT4-31 PVH57QIC-RM-1S-10-C25-31

PVH57QIC-RF-2S-11-CM7-31  PVH57QIC-RF-1S-11-ICT4-31

PVH57QIC-RF-2D-10-C25-31 PVH57QIC-RF-2S-10-C25-31

PVH57QIC-RSF-2S-10-IC-31   PVH57QICRSF2S11C2531

检查以及气门控制导管的密封性研究方法，应先确认在气缸不窜油的前提下可以。此时，拆除或者气门摇臂和摇臂座。将干净的汽油倒入各缸气门弹簧座的凹孔内，观察凹孔内的油面位置是否出现下降。下降趋势说明有空隙，未

16-31变量柱塞泵中国台湾KEILETO凯利通液压油泵