Q: What primary symptom indicates that the internal mechanical brake discs of a 15-ton excavator swing motor are failing?
A: The upper house will drift unreliably on slopes when the joysticks are centered, often accompanied by faint grinding noises.
A: The upper house will drift unreliably on slopes when the joysticks are centered, often accompanied by faint grinding noises.
Q: Is any specialized bleeding procedure required during the installation of this 364-0978 swing motor assembly?
A: Yes, technicians must fill the housing with clean hydraulic fluid through the top case drain port before cranking the engine.
A: Yes, technicians must fill the housing with clean hydraulic fluid through the top case drain port before cranking the engine.
Q: Do part numbers 364-0978 and 369-9604 feature identical output shaft splines and mounting patterns?
A: Yes, these are direct engineering interchanges that align perfectly with standard factory gearbox inputs without modification.
A: Yes, these are direct engineering interchanges that align perfectly with standard factory gearbox inputs without modification.
Q: How does the motor protect itself if an operator forces a sudden counter-swing maneuver?
A: The built-in shockless relief valves instantly crack open to bypass excess pressure, preventing structural component fractures.
A: The built-in shockless relief valves instantly crack open to bypass excess pressure, preventing structural component fractures.
