McClean: RollerDrum BrushReplacement: Difference between revisions

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The are made of carbon, and push against the commutator.  They are made to wear down, so they need to be replaced.  Here is a picture of a new brush and the worn out brush that came out of our trusty TC-7 roller drum:
The are made of carbon, and push against the commutator.  They are made to wear down, so they need to be replaced.  Here is a picture of a new brush and the worn out brush that came out of our trusty TC-7 roller drum:


[[Image:RollerDrumBrushes.png|600px| The top brush is brand new, while the bottom brush has seen several years of use.]]
[[Image:RollerDrumBrushes.png|Caption here | 600px| The top brush is brand new, while the bottom brush has seen several years of use.]]


==Materials==  
==Materials==  

Revision as of 12:49, 7 May 2015


Overview

So the roller drum has stopped doing what it does so well---that is, roll around a bunch of tubes. Why oh why is this happening? First thing to check (thanks to the all-knowing Dr. Silverman for letting me in on this) is if the motor brushes need to be replaced.

What, you ask, is a motor brush. The motor brushes transfer power to the motor's commutator. Some good explanations are found in the links below, for those of us who don't really understand how electric motors work.

The are made of carbon, and push against the commutator. They are made to wear down, so they need to be replaced. Here is a picture of a new brush and the worn out brush that came out of our trusty TC-7 roller drum:

The top brush is brand new, while the bottom brush has seen several years of use.

Materials

  • Item 1
  • Item 2
  • Stock Solution 1
  • Stock Solution 2


Stock Solutions

Stock Solution 1

  • This is a very simple solution, so we only need a one line description of how to make it.

Stock Solution 2

This is a more involved solution, so we will describe how to make it in several steps:

  1. Step 1
  2. Step 2
  3. Step 3

Protocol

  1. Step 1
  2. Step 2
  3. Step 3

Helpful Links

Notes

Please feel free to post comments, questions, or improvements to this protocol. Happy to have your input!

  1. List troubleshooting tips here.
  2. You can also link to FAQs/tips provided by other sources such as the manufacturer or other websites.
  3. Anecdotal observations that might be of use to others can also be posted here.

Please sign your name to your note by adding '''*~~~~''': to the beginning of your tip.

References

Gietz, R.D. and R.A. Woods. (2002) TRANSFORMATION OF YEAST BY THE Liac/SS CARRIER DNA/PEG METHOD. Methods in Enzymology 350: 87-96.

Contact

or instead, discuss this protocol.