This is a swivel joint, a crucial component in hydraulic systems that allows for rotational movement while maintaining fluid flow between stationary and moving parts, commonly used in excavator boom and arm connections. It is manufactured to precise tolerances for smooth operation and leak-free performance, unlike a worn joint that can cause stiffness or leaks. Operators may experience stiff or jerky boom/arm movements, hydraulic fluid leaks at the joint, or reduced hydraulic system efficiency when this part fails.
Always verify with serial number before ordering.
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Cross-reference part number with serial number before ordering to confirm fitment. Keep original parts until new ones are confirmed correct. Record part numbers replaced for future reference.
Always consult the OEM service manual for model-specific torque values and procedures. WhatsApp our technical team if you need fitment guidance.
The first indication of a failing swivel joint is often increased resistance or jerkiness during boom or arm movements, accompanied by potential hydraulic fluid leaks. If left unaddressed, the internal seals can fail completely, leading to significant hydraulic fluid loss and loss of function in the affected joint. This can render the equipment inoperable or unsafe to use.
Ensure all hydraulic lines are properly depressurized and capped before disconnecting them from the swivel joint. When reconnecting, align the ports carefully to avoid cross-threading or damaging the fittings.
Inspect the hydraulic cylinders, hoses, and filters for contamination or wear when replacing the swivel joint.