This seal kit is designed to replace worn seals within the arm cylinder of Volvo excavators, restoring proper hydraulic function. It is manufactured to meet stringent OEM standards, ensuring durability and performance comparable to original equipment, unlike degraded seals that cause leaks and reduced cylinder responsiveness. Operators may notice slow or jerky arm movements, external hydraulic fluid leaks around the cylinder, or a loss of lifting power when seals begin 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.
External hydraulic fluid leaks around the arm cylinder are the first sign of seal failure. If left unaddressed, the leaks will worsen, leading to a gradual loss of hydraulic pressure and reduced arm speed and lifting capacity. Continued operation with failing seals can lead to premature wear on other hydraulic components due to low fluid levels and contamination.
Ensure the cylinder rod is clean and free of any burrs or damage before installing the new seals to prevent immediate tearing. Do not use excessive force when seating the seals, as this can damage them and compromise their sealing ability.
Inspect the cylinder rod and bore for any scoring or damage that could prematurely wear out the new seals.