Excavator Hydraulic Pump Installation and Maintenance Tutorial
April 16, 2025
Excavator Hydraulic Pump Installation and Maintenance Tutorial
The hydraulic pump is the core component of the excavator's hydraulic system. It's responsible for converting hydraulic oil into high-pressure fluid, providing power for all excavator actions.
Before installing the hydraulic pump, ensure the excavator is safely shut down and the power is disconnected.
Installation steps of hydraulic pump:
1.Check the installation position and connecting components.
2.Install the hydraulic pump correctly and tighten the bolts.
3.Connect the hydraulic oil pipe to ensure a secure and leak free connection.
4.Add hydraulic oil and check the oil level.
Hydraulic pumps may experience various faults during use, such as leaks, abnormal noises, and insufficient pressure.
Common hydraulic pump faults and causes:
Hydraulic oil contamination.
The seal is aging.
Wear and tear of components.
Repair steps for hydraulic pump:
Disassemble the hydraulic pump.
Check and replace damaged components.
Clean the inside of the hydraulic pump.
Reinstall the hydraulic pump.
Testing and debugging of hydraulic pumps.