Instructions for Inspecting and Replacing Brushes in Bodine Type 33A, 42A, and 32A (PMDC) Motors or Gearmotors
●With regard to long brush life, the Bodine type 33A, 42A, and 32A motors and gearmotors employ a unique method of maintaining a constant force on the brushes inside the motor. A roll-type spring is used instead of the more common coiled spring. The roll-type spring puts a constant force on the brushes even as they wear and get shorter. By contrast, the force exerted by a coiled spring diminishes as the brushes get shorter and the spring approaches its uncompressed length. Reduced force on the brushes can cause them to “hop” on the commutator and wear faster. The roll-type spring is a superior design.
●Installing the roll-type springs correctly is critical in order to obtain optimal performance from your Bodine motor or gearmotor. Incorrect installation can cause brushes to wear faster, or ultimately could damage the product.
●By following these instructions when inspecting and replacing the brushes in a Bodine type 33A, 42A, or 32A motor or gearmotor, the user can be assured of long brush life, and desired motor or gearmotor performance.
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User's Guide |
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Please see the document for details |
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English Chinese Chinese and English Japanese |
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2013/4/30 |
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Rev.B |
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07481063 |
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2.1 MB |
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