Introduction

In order to access the brush assembly, the front cover of the alternator will need to removed first. The brushes play an important in role in transferring voltage from the rotor to the rest of the alternator.

Remove 4, 7.9mm  nuts using a 7.9mm socket driver head One of the nuts is placed underneath the L-Bracket. Remove the L-Bracket and the 3 circled nuts before attempting to remove the remaining nut There are two covers that need to be removed from the alternator. This step describes how to remove the back cover.
  • Remove 4, 7.9mm nuts using a 7.9mm socket driver head

  • One of the nuts is placed underneath the L-Bracket. Remove the L-Bracket and the 3 circled nuts before attempting to remove the remaining nut

  • There are two covers that need to be removed from the alternator. This step describes how to remove the back cover.

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Pull cover off the body of the alternator Once you have done this, you should be able to see the internal components of the alternator, particularly the bridge assembly that houses the rectifier, voltage regulator and brushes. Once you have done this, you should be able to see the internal components of the alternator, particularly the bridge assembly that houses the rectifier, voltage regulator and brushes.
  • Pull cover off the body of the alternator

  • Once you have done this, you should be able to see the internal components of the alternator, particularly the bridge assembly that houses the rectifier, voltage regulator and brushes.

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You should now be able to see the recifier assembly, the brushes are located in the middle of the recifier assembly. Remove the brush assembly by unscrewing 2, 6mm center screws using a #2 Phillips head screw driver Remove the brush assembly by unscrewing 2, 6mm center screws using a #2 Phillips head screw driver
  • You should now be able to see the recifier assembly, the brushes are located in the middle of the recifier assembly.

  • Remove the brush assembly by unscrewing 2, 6mm center screws using a #2 Phillips head screw driver

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Remove the brush assembly by pulling it out. Remove the brush assembly by pulling it out. Remove the brush assembly by pulling it out.
  • Remove the brush assembly by pulling it out.

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Inspect the brushes. If they are scored and not smooth you will need to replace the entire assembly.
  • Inspect the brushes. If they are scored and not smooth you will need to replace the entire assembly.

  • When reinserting the brushes, make sure the springs keep the brushes in contact with the stator.

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Conclusion

To reassemble your device, follow these instructions in reverse order.

One other person completed this guide.

Raymond Akagi

Member since: 04/11/2016

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Cal Poly, Team 25-1, Maness Spring 2016 Member of Cal Poly, Team 25-1, Maness Spring 2016

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