How to judge the failure of hydraulic pump of excavator

How to judge the failure of hydraulic pump of excavator

The methods for judging the failure of an excavator’s hydraulic pump can be divided into two categories: instrument diagnosis and manual diagnosis. A physical test is used to diagnose an instrument. The hydraulic pump’s technical state and problems are initially diagnosed using the manual diagnosis method, which employs vision, touch, smell, and hearing. The following…

Hydraulic pump configuration table for excavators such as Caterpillar, Komatsu, Hitachi, Volvo, etc.

Hydraulic pump configuration table for excavators such as Caterpillar, Komatsu, Hitachi, Volvo, etc.

KAWASAKI plunger pump and hydraulic motor series K3V series (pumps): K3V63DT/BDT, K3V112DT/BDT, K3V140DT, K3V180DT NV series: NV45, NV50, NV64, NV84, NV90, NV111, NV137 ,   NV172, NV237, NV270, NVK45 KVC series: KVC925, KVC930, KVC932 MX series (motor): MX50, MX150, MX170, MX173 M2X series (motor): M2X55, M2X63, M2X96, M2X120, M2X146 , M2X150, M2X170, M2X210 M5X series…