A: Common symptoms include weak hydraulic movement, reduced digging force, unstable pressure, abnormal pump noise, overheating, and slow machine response caused by internal pump wear.
A: Confirm the original pump model, part number, internal component specifications, hydraulic system condition, and cleanliness of hydraulic oil to ensure proper rebuilding performance.
A: Check the hydraulic pump part number, excavator model, and original pump information before purchase. Accurate matching helps avoid incorrect repair components and installation problems.
A: The kit is designed for hydraulic pump maintenance in demanding applications, helping restore stable performance under high-load excavation operations and long working cycles.






















