This is a pilot valve seal kit, essential for maintaining the integrity and proper function of the pilot hydraulic control system in Volvo excavators. These seals are manufactured from durable materials to withstand high pressures and temperatures, preventing leaks that a worn or damaged kit would cause. Operators might observe slow or jerky hydraulic movements, loss of hydraulic pressure, or external fluid leaks around the pilot valve assembly.
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.
Slow or erratic operation of hydraulic controls, such as boom, stick, or bucket movements, can indicate failing pilot valve seals. If ignored, internal leaks will worsen, leading to a significant loss of hydraulic power and responsiveness. Continued operation without addressing seal issues can cause premature wear on other hydraulic components.
Carefully inspect the valve spools and bore for any nicks or burrs that could damage the new seals during installation. Lubricate all seals with clean hydraulic fluid before fitting them into their respective grooves.
Inspect the hydraulic fluid for contamination and check the condition of the hydraulic filters.