This hydraulic gear pump is engineered to supply pressurized hydraulic fluid to the actuators and systems of Volvo excavators, powering functions like boom, stick, and bucket movements. It is constructed with precision-machined components for optimal performance and durability, outlasting worn or damaged original units. Operators may observe a loss of hydraulic power, slow or erratic boom/stick/bucket operation, or excessive heat in the hydraulic system when this pump is failing.
Always verify with serial number before ordering.
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Flush hydraulic lines before fitting new components. Use only manufacturer-specified hydraulic fluid. Check O-rings and backup rings for correct orientation. Bleed air from system after installation.
Always consult the OEM service manual for model-specific torque values and procedures. WhatsApp our technical team if you need fitment guidance.
A failing hydraulic pump will first manifest as a reduction in the speed and lifting capacity of the excavator's functions. As the failure progresses, hydraulic oil temperatures will rise significantly, and the machine may exhibit jerky or unpredictable movements. Continued operation can lead to widespread hydraulic system damage and potential loss of control.
Ensure all hydraulic lines are thoroughly cleaned before connecting them to the new pump to prevent contamination. Never run the pump dry; always prime it by filling the inlet port with clean hydraulic oil.
Inspect the hydraulic system filters, reservoir, and all hydraulic lines for any signs of internal damage or contamination when replacing the gear pump.