This is a bucket cylinder seal kit, designed to maintain the integrity of the hydraulic system within the bucket cylinder of Volvo excavators. It is manufactured to meet Volvo's rigorous standards for durability and sealing efficiency, outperforming worn or degraded seals. Failure symptoms include external hydraulic fluid leaks from the cylinder, slow or erratic bucket operation, and a loss of lifting or digging force.
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.
The first noticeable sign of a failing bucket cylinder seal kit is typically an external hydraulic fluid leak around the cylinder rod. This leakage will worsen over time, leading to sluggish or jerky bucket movements and a reduced ability to hold heavy loads. If not addressed, the persistent leak can lead to significant hydraulic system contamination and potential damage to the cylinder components.
Thoroughly clean the cylinder bore and rod before installing the new seals to prevent damage from debris. Ensure the seals are correctly oriented according to the manufacturer's instructions.
Inspect the cylinder rod for scoring or wear, and check the hydraulic fluid and filter for signs of contamination.