Product Description
O ring
Frequently Asked Questions
Q: What equipment does the YL 6029301AG O ring seal?
A: The YL 6029301AG is an elastomer O ring used in hydraulic or pneumatic assemblies on Yale electric lift truck systems. It is commonly found in pump housings, cylinders, valve bodies, and fluid distribution blocks. Verify your specific assembly location and fluid type before ordering.
Q: What material is the YL 6029301AG O ring made from?
A: Yale OEM O rings are typically made from Nitrile (NBR) elastomer for general hydraulic duty in mineral-based hydraulic fluids. Nitrile offers good resistance to common hydraulic oils, moderate temperature range tolerance, and cost-effectiveness. Confirm your system fluid specification before use, as some Yale systems may specify alternative elastomers for specific fluid types.
Q: How do I know if the YL 6029301AG O ring needs replacement?
A: Signs of O ring failure include hydraulic fluid leaks at the seal location, loss of system pressure, erratic actuator movement, or visible extrusion of the O ring from its groove. O rings do not rebound after compression during long idle periods; preventive replacement during routine maintenance extends system reliability. Fluid analysis or visual inspection during assembly disassembly will reveal hardening or cracking.
Q: What is the typical service life of the YL 6029301AG O ring?
A: Nitrile O rings in moderate-duty hydraulic systems typically last 3 to 7 years depending on temperature stability, fluid condition, and duty cycle. High-duty cycles, elevated temperatures, or fluid degradation shorten life. Many technicians replace O rings preventively during scheduled seal kit maintenance to avoid unplanned downtime.
Q: Are there cross-reference O rings compatible with the YL 6029301AG?
A: Standard O ring cross-reference is based on ISO or metric dimensions. The YL 6029301AG is an OEM part; direct replacement ensures correct dimensions and material. Generic O rings must match internal diameter, cross-section diameter, and material specification exactly. We recommend using the OEM Yale part to guarantee fitment in your specific assembly.