This double gear pump is a key component in the hydraulic system of Volvo asphalt pavers, responsible for delivering precise hydraulic flow to drive the screed, conveyor, and other functions. It is engineered to Volvo's high standards for consistent output and durability, unlike a worn pump that might exhibit uneven flow or reduced pressure. Operators may observe inconsistent material spreading, sluggish conveyor operation, or a loss of power to the screed controls as indications of a failing pump.
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 double gear pump may initially present as inconsistent or weak hydraulic power to one or both of the paver's primary functions, such as the conveyor or screed. As the pump wears, this can progress to complete loss of hydraulic flow to affected systems, leading to an inability to spread material effectively. Continued operation with a degraded pump risks uneven mat quality and potential damage to the hydraulic system from debris.
Ensure the hydraulic reservoir is adequately filled with the correct hydraulic fluid before initial startup to prevent the pump from running dry. Verify that the drive shaft is properly aligned and securely coupled to the engine or drive source to prevent vibration and premature wear.
Replace the hydraulic filter element and inspect the hydraulic fluid for contamination when installing a new double gear pump.