Product Description
O-ring
Frequently Asked Questions
Q: What are the dimensions and material of the YL 518818808 O-ring?
A: The YL 518818808 is a precision elastomer O-ring with specific inside diameter, cross-section width, and thickness for Yale hydraulic applications. The ring is typically made from EPDM, Nitrile, or FKM based on the hydraulic fluid type and temperature range. Verify exact dimensions before ordering.
Q: Which hydraulic components in Yale lift trucks use the YL 518818808 O-ring?
A: The YL 518818808 seals specific valve assemblies, pump connections, cylinder ports, or manifold passages in Yale electric lift trucks. Identify the exact component location and pressure rating to ensure you order the correct O-ring specification.
Q: Is the YL 518818808 O-ring compatible with all hydraulic fluids?
A: O-ring material compatibility depends on the base elastomer. EPDM handles mineral oils and water-glycol fluids, Nitrile resists petroleum-based fluids, and FKM (Viton) suits synthetic oils and biodegradable fluids. Confirm your hydraulic fluid type matches the O-ring material specification.
Q: What is the maximum operating pressure and temperature for the YL 518818808 O-ring?
A: The YL 518818808 O-ring is rated for specific pressure and temperature ranges depending on elastomer type and component location. Standard ratings are typically 350 bar maximum pressure and -40 to +100 degrees Celsius. Verify your system pressure and fluid temperature do not exceed these limits.
Q: What symptoms indicate the YL 518818808 O-ring is leaking?
A: Visible hydraulic fluid seepage around component connections, pressure loss, reduced lift power, or pooling oil indicate a failed O-ring seal. Replacing the O-ring stops leakage and restores system pressure and performance.
Q: How long does the YL 518818808 O-ring last before replacement?
A: O-ring service life depends on pressure cycling, thermal cycling, fluid cleanliness, and elastomer compatibility. With clean hydraulic fluid and stable operating conditions, O-rings typically last 2-5 years. Replace immediately upon leakage detection to prevent hydraulic fluid loss and system failure.