Brush Holder Spring for Toyota 6BPU Series Electric Motors
TO 00590-04574-71
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Compatibility
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Visit our diagram page for part references to popular models
Product Description
Toyota OEM spring, brush set (4 pieces) for electric lift truck motor brush holders. High-carbon steel, oil tempered wire; engineered for use in Toyota 6BPU series electric motors. Direct OEM replacement for TO 00590-04574-71, maintains critical brush contact in motor assemblies. No known cross-reference or supersession part numbers.
Specifications
Part Numbers & Compatibility
| Make | Toyota |
| Model | 6BPU15, 6BRU18, 6BRU23, 6BDRU15, 6BSU20, 6BSU25 |
| Part Number | 00590-04574-71 |
| Manufacturer Part Number | 00590-04574-71 |
| Compatible Equipment Models | Toyota 6BPU15 electric lift truck |
Additional Specifications
| Spring Material | High carbon steel per ASTM A228 |
| Description | Toyota OEM spring, brush set (4 pieces) for electric lift truck motor brush holders. High-carbon steel, oil tempered wire; engineered for use in Toyota 6BPU series electric motors. Direct OEM replacement for TO 00590-04574-71, maintains critical brush contact in motor assemblies. No known cross-reference or supersession part numbers. |
Frequently Asked Questions
Q: Which Toyota electric lift truck models is this brush holder spring compatible with?
A: This brush holder spring is compatible with Toyota 6BPU15, 6BRU18, 6BRU23, 6BDRU15, 6BSU20, and 6BSU25 electric lift truck models.
Q: What are the material and durability characteristics of this brush holder spring?
A: This spring is made from high-carbon steel wire and is oil-tempered for fatigue resistance and durability. It ensures consistent contact force between brushes and the commutator throughout its service life.
Q: How should I replace a failed brush holder spring?
A: Replace the failed spring whenever brushes are replaced. Ensure the new spring maintains proper pressure on the brush block against the commutator surface for stable electrical contact.
Q: What are the consequences of a broken or weakened brush holder spring?
A: A broken or weakened spring can lead to loss of brush contact pressure, resulting in high contact resistance, increased electrical heat, reduced motor efficiency, and poor brush wear characteristics. Symptoms may include erratic motor operation and increased current draw.
Q: How do I inspect the condition of a brush holder spring?
A: Inspect the spring visually during brush replacement for any cracks, permanent deformation, or rust. A spring that does not hold the brush firmly against the commutator or feels loose indicates degradation and should be replaced.