This hydraulic gear pump is a critical component responsible for generating hydraulic flow and pressure within the main hydraulic system of Volvo excavators. It is manufactured to meet stringent OEM quality standards, ensuring superior durability and performance compared to worn or failing units that exhibit reduced flow or internal leakage. Operators may notice sluggish hydraulic functions, a loss of lifting power, or unusual pump noise when this component 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.
Initial signs of failure may include a noticeable decrease in the speed and power of hydraulic functions like boom, stick, and bucket movements. If left unaddressed, the pump's output will continue to diminish, leading to significantly reduced machine productivity and potential overheating of the hydraulic system. Continued operation with a failing pump risks damage to other hydraulic components due to inadequate lubrication and increased particulate contamination.
Ensure the hydraulic reservoir is clean and free of debris before beginning the installation process. Avoid overtightening the mounting bolts, as this can distort the pump housing and lead to premature failure.
When replacing the hydraulic gear pump, it is essential to inspect the hydraulic fluid for contamination and replace the hydraulic filter.