This is a boom cylinder seal kit designed to replace worn or damaged seals within the boom cylinder of Volvo excavators. It ensures the cylinder maintains hydraulic pressure and prevents leaks, allowing for smooth and controlled lifting operations. Leaking boom cylinder seals can result in slow boom movement, drifting, or a failure to hold position.
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 initial symptom of a failing boom cylinder seal is often a slow drift or lowering of the boom when the hydraulic controls are not engaged. If ignored, this can progress to significantly slower boom extension and retraction speeds, and a reduced ability to hold heavy loads. The ultimate risk is the boom cylinder's inability to safely support or position the boom, potentially leading to uncontrolled movement.
Carefully inspect the cylinder rod and bore for any scratches or wear that could damage the new seals upon installation. Ensure all seals are correctly oriented and lubricated with appropriate hydraulic fluid before insertion.
Check the hydraulic fluid level and condition, and inspect the hydraulic pump for proper operation when replacing boom cylinder seals.