This hydraulic pump, specifically a variable displacement piston pump (PVD-0B-19), is the heart of the hydraulic system for Volvo excavators, generating the flow and pressure needed for all functions. It is built to precise Volvo specifications, ensuring efficient power transfer unlike a worn pump that may produce insufficient flow or pressure. Operators will notice a significant loss of power, slow or unresponsive hydraulic functions, and potentially overheating of the hydraulic fluid when this pump begins to fail.
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 significant reduction in hydraulic power and speed of functions is the primary symptom of a failing hydraulic pump. If ignored, the pump may cease to generate adequate pressure, rendering the machine inoperable and potentially leading to severe damage to other hydraulic components due to lack of lubrication. Overheating of the hydraulic system is also a common consequence.
Ensure the hydraulic system is completely flushed and clean before installing a new pump to prevent contamination. Never run the new pump dry; prime it with clean hydraulic fluid before initial startup.
Replace the hydraulic filter and inspect all hydraulic lines and hoses for blockages or damage when replacing the main hydraulic pump.