Trouble Shooting

Some weeks ago, a domestic subway construction company sent our company to repair three A4VG250 hydraulic piston pumps for shield machines. After the engineer disassembled… Read More »A4VG250 pump repair failure due to piston outer dia expansion

A maintenance technician with over ten years of experience in Hydraulic Pump repair work undertook the repair job of an A4VG180 pump used in a… Read More »A4VG180 pump repair failure caused by wrong grinding

Months ago, one customer reported that they have ever purchased several sets of DPVP108 pump repair parts from another Chinese manufacturer for pump maintenance, and as a… Read More »The enlightenment brought by the failure of DPVP108 Pump Overhaul