Product Description
Yale Brush Set for DC Traction Motors
The YL 520399802 is a direct replacement brush set designed for Yale electric lift trucks and pallet jacks equipped with DC traction motor systems. This set includes a pair of carbon graphite brushes engineered for reliable commutator contact and efficient power transfer in 24-volt motor applications. Ideal for walkie and rider pallet jack models, these brushes provide consistent electrical performance and are essential for maintaining motor efficiency and equipment uptime in warehouse and dock operations.
Replace the brushes when you notice weak acceleration, intermittent motor operation, or increased electrical noise from the motor.
Frequently Asked Questions
Q: What is the YL 520399802 brush set designed for?
A: The YL 520399802 is an OEM brush set for Yale electric lift trucks with DC traction motor drive systems. Confirm your lift truck voltage rating and motor specification match this part number before ordering.
Q: How many brushes come in the YL 520399802 kit?
A: The YL 520399802 is supplied as a set of two brushes, which is the standard pair for Yale DC traction motors. Replacement sets should always include both brushes to ensure balanced motor performance.
Q: What material are the YL 520399802 brushes made from?
A: The YL 520399802 brushes are manufactured from carbon graphite compound engineered for low friction and consistent electrical contact in DC motor commutation. This material grade supports efficient power transfer across the voltage range of Yale traction motors.
Q: What are signs that the YL 520399802 brushes are worn out?
A: Replace the YL 520399802 brushes if the lift truck exhibits weak acceleration, intermittent motor operation, increased electrical noise from the motor, or visible carbon dust buildup in the motor cavity. These are all indicators of brush wear affecting commutator contact.
Q: How long do YL 520399802 brushes typically last in service?
A: The YL 520399802 has a typical service life of 2 to 4 years under standard warehouse operations. Duty cycle, environmental conditions, and equipment maintenance practices significantly affect actual lifespan. Store spare sets in a dry environment.