Product Description
Oil Seal
Frequently Asked Questions
Q: What is the HY 57549 oil seal used for?
A: The HY 57549 is an oil seal designed for Hyster electric lift truck hydraulic systems. It provides static sealing to prevent hydraulic fluid leakage at critical shaft and bore interfaces in lift and tilt mechanisms.
Q: Which Hyster electric lift truck models are compatible with the HY 57549?
A: The HY 57549 fits select Hyster electric lift truck models. Verify your equipment model and serial number against the product specification sheet to confirm compatibility before ordering.
Q: What fluid types is the HY 57549 rated for?
A: The HY 57549 is rated for use with petroleum-based hydraulic fluids commonly specified in Hyster electric lift truck systems. Do not use with water-glycol or synthetic fluids unless the seal material is specifically approved for those applications.
Q: How long does the HY 57549 typically remain effective?
A: Seal lifespan depends on operating conditions, fluid cleanliness, and system pressure. Leakage or weeping at the seal location indicates the need for replacement. Regular equipment maintenance and fluid changes extend seal life.