Road Machinery

Comparison Table o f Common Faults a nd Corresponding Replacement Parts for Hydraulic Main Pump I. General Fault Diagnosis + Repair and Part Replacement Common Fault Phenomena failure cause Replace the part first Alternative replacement parts The machine exhibits insufficient power, slow operation, and failure to increase pressure. The plunger is heavily worn and leaking internally. Plunger assembly + cylinder block Distribution plate + Return plate The cold engine is