This is a hydraulic pump seal kit designed to prevent internal and external leakage within the hydraulic system of Volvo excavators. It is manufactured to meet stringent material and dimensional standards, ensuring a reliable seal that surpasses the performance of a worn or damaged original seal. Operators may notice a gradual loss of hydraulic power, increased cycle times, or visible hydraulic fluid leaks around the pump housing when this seal kit 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 include a slight decrease in hydraulic system pressure or a subtle increase in pump noise. If left unaddressed, the leaks will worsen, leading to significant power loss and potential overheating of the hydraulic fluid. Continued operation with a failing seal kit risks internal pump damage and contamination of the entire hydraulic system.
Ensure the pump housing and all sealing surfaces are meticulously cleaned and free of any debris or old seal material before installation. Avoid using sharp tools that could scratch the sealing surfaces when removing old seals.
Inspect the hydraulic pump shaft for wear and the hydraulic fluid for contamination during seal kit replacement.