Q: What primary mechanical symptoms indicate that the internal bearings of the 278-6920 reducer are damaged?
A: A loud clicking or grinding sound from the center of the hub during movement, combined with massive metal flakes found in the gear oil during drains.
A: A loud clicking or grinding sound from the center of the hub during movement, combined with massive metal flakes found in the gear oil during drains.
Q: What alignment preparation is required before placing this travel gearbox onto the mid-sized track frame?
A: Clean the track frame mounting ring thoroughly to ensure a flat fit, and scrape away any rust or packed dirt to prevent bolt loosening later on.
A: Clean the track frame mounting ring thoroughly to ensure a flat fit, and scrape away any rust or packed dirt to prevent bolt loosening later on.
Q: Does this 278-6920 reductor assembly include the pre-installed hydraulic travel motor component?
A: This model code specifies the heavy-duty speed reduction gearbox assembly, which features a standard spline hub designed to couple with your original travel motor.
A: This model code specifies the heavy-duty speed reduction gearbox assembly, which features a standard spline hub designed to couple with your original travel motor.
Q: How does this final drive gearbox handle continuous operations on muddy or water-logged utility sites?
A: The casing uses double mechanical face seals backed by resilient elastomeric load rings under constant tension, completely blocking sand and water from entering the inner gear chambers.
A: The casing uses double mechanical face seals backed by resilient elastomeric load rings under constant tension, completely blocking sand and water from entering the inner gear chambers.
