This is a dipper arm cylinder seal repair kit, essential for maintaining the hydraulic integrity of the dipper arm cylinder on Volvo excavators, preventing fluid loss and ensuring smooth operation. Constructed from durable, high-performance sealing materials, it provides superior resistance to abrasion and hydraulic fluid degradation compared to worn seals. Operators may observe slow or erratic dipper arm movements, external hydraulic fluid leaks from the cylinder, or a noticeable decrease in digging force when this kit is needed.
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 failing dipper arm cylinder seals is often a visible hydraulic fluid leak around the cylinder rod or at the cylinder base. If ignored, this leakage will increase, leading to a loss of hydraulic pressure and resulting in sluggish or uncontrolled dipper arm movements. Prolonged operation with leaking seals can lead to significant hydraulic fluid loss and contamination of the hydraulic system.
Ensure the cylinder rod and bore are meticulously cleaned before installing the new seals to prevent any debris from compromising the seal's integrity. Never force the seals into place; they should slide in smoothly with appropriate lubrication.
When replacing dipper arm cylinder seals, it is advisable to inspect the hydraulic fluid level and condition, and check the hydraulic filter for signs of wear or contamination.