This is a bucket cylinder seal kit designed to replace worn seals within the main bucket cylinder of Volvo excavators, preventing hydraulic fluid leakage. Manufactured to meet rigorous OEM quality standards, this kit ensures a tight seal and smooth cylinder operation, unlike a failed kit that allows fluid bypass and cylinder drift. Operators may observe the bucket slowly lowering when hydraulic pressure is released or notice external fluid leaks around the cylinder rod.
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 bucket cylinder seal kit will first manifest as a slow drift of the bucket when hydraulics are not engaged. If left unaddressed, this internal leakage will increase, leading to reduced bucket breakout force and potential hydraulic system contamination. The primary risk is uncontrolled bucket movement, which can cause damage to the equipment or surrounding structures.
Ensure the cylinder rod and bore are meticulously cleaned before installing the new seals to prevent premature wear. Avoid using sharp tools that could nick or scratch the seals during insertion.
Check the bucket cylinder rod for any pitting or scoring, and inspect the hydraulic fluid for signs of contamination.