This dipper arm cylinder is a hydraulic actuator responsible for converting hydraulic pressure into the linear motion required to operate the excavator's dipper arm. Built to meet exacting Volvo standards, it provides robust performance and durability, outlasting a worn or leaking cylinder. Operators may notice slow or jerky dipper arm movements, a failure of the arm to hold its position, or visible hydraulic fluid leaks around the cylinder seals when this component is compromised.
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 movement of the dipper arm, or the inability of the arm to hold its position under load, are common early indicators. If the issue progresses, you may notice visible hydraulic fluid leaks from the cylinder seals or hear a 'squealing' noise during operation. A severely compromised cylinder can lead to uncontrolled dipper arm movement, posing a risk to personnel and equipment.
Before installing, carefully inspect the cylinder rod for any nicks or scratches that could damage the new seals. Ensure the cylinder is fully retracted or extended as required by the installation procedure to avoid binding.
Inspect the hydraulic lines connected to the cylinder for any signs of wear, cracking, or leaks, and check the condition of the hydraulic fluid.