This bucket cylinder seal kit is designed to restore the sealing integrity of the hydraulic cylinder responsible for actuating the excavator bucket. It is manufactured from high-grade NBR rubber and hardened wear bands to withstand the high pressures and abrasive conditions within the cylinder, outperforming worn or brittle seals. Operators will typically observe hydraulic fluid leaks around the cylinder rod, or a loss of bucket curl/dump force, when this seal kit fails.
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 sign of a failing seal kit is often visible hydraulic fluid leakage from the bucket cylinder rod. If left unaddressed, the leakage will worsen, leading to a gradual loss of hydraulic force for bucket operations. Continued operation with leaking seals can result in contamination of the hydraulic system and potential damage to the cylinder rod.
Thoroughly clean the cylinder bore and piston rod to prevent damaging the new seals during installation. Ensure all seals are oriented correctly according to the manufacturer's instructions to guarantee proper sealing.
Inspect the cylinder bore for scoring or damage, and check the hydraulic fluid for contamination before installing the new seal kit.