Product Description
Spring brush set (4)
Frequently Asked Questions
Q: What is the function of the TO 00590-04749-71 spring brush set?
A: The TO 00590-04749-71 is a set of four spring brush assemblies for electric motor commutators in Toyota lift truck equipment. The spring component maintains consistent contact pressure on the commutator during rotation.
Q: How does the spring mechanism in the TO 00590-04749-71 differ from standard brushes?
A: Spring brush sets include integrated springs that apply consistent downward force on the brush against the commutator surface. This design maintains electrical contact quality across commutator variations and reduces electrical resistance compared to gravity-feed brush systems.
Q: What Toyota equipment uses the TO 00590-04749-71 spring brush set?
A: This OEM set is designed for Toyota electric lift truck traction and hydraulic pump motors. Confirm your equipment model and motor design before ordering to verify compatibility with spring brush configuration.
Q: What is the expected lifespan of the TO 00590-04749-71 brush set?
A: Service life typically ranges from 1,500 to 3,000 operating hours depending on motor run cycles and load conditions. Both the brush material and spring tension degrade over time and require simultaneous replacement.
Q: How do you identify when the TO 00590-04749-71 springs need replacement?
A: Visual inspection shows reduced spring tension or deformation. Electrical symptoms include increased commutator arcing, uneven wear patterns on the commutator surface, or loss of motor torque. Replace the entire set when springs lose pressure or brushes wear unevenly.