Product Description
O-ring
Frequently Asked Questions
Q: What is the CR 87312 O-ring used for on Crown equipment?
A: The CR 87312 is an OEM Crown O-ring seal. O-rings create a tight seal to prevent fluid leakage or contamination ingress in hydraulic and pneumatic systems. On Crown electric pallet jacks and stackers, O-rings are used in cylinders, valve assemblies, pump connections, and other sealed fluid circuits.
Q: What are the specifications and dimensions of the CR 87312 O-ring?
A: The CR 87312 is an OEM Crown part with specific dimensions, material, and durometer rating. Exact specifications including inner diameter, outer diameter, and cross-section should be verified in Crown documentation to ensure correct replacement. Do not substitute with non-OEM O-rings without confirming material compatibility and dimensional match.
Q: What material is the CR 87312 O-ring made from and why does that matter?
A: O-ring material composition (elastomer type and durometer hardness) determines fluid compatibility, temperature range, and seal durability. The CR 87312 is designed for specific Crown fluid systems and operating conditions. Using an incorrect O-ring material or durometer may cause seal failure, fluid leakage, or equipment damage.
Q: How long does the CR 87312 O-ring typically last before replacement?
A: O-ring lifespan depends on operating temperature, fluid type, pressure cycles, and environmental exposure. In normal Crown electric pallet jack operation, O-rings may last several years. Factors like cold storage, wet environments, or high utilization can accelerate wear and degradation. Replace when visible cracks, hardening, or fluid leakage occurs.
Q: Can the CR 87312 O-ring be used as a universal replacement on other equipment or Crown models?
A: No. The CR 87312 is an OEM Crown part sized and specified for particular Crown models and circuits. Do not substitute generic O-rings or assume compatibility across different equipment manufacturers or Crown model generations. Always verify exact dimensions and fluid compatibility with Crown documentation before installation.