 Joined: 19/11/2024(UTC) Posts: 11 Location: Tejas
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I have an older Marklin 89028 (CM 800) engine, when I checked the brushes I found a carbon brush on one side and copper mesh on the other. Did an innerwebs search for replacement brushes and see they are sold in packs of two dissimilar (carbon & copper) brushes. Is this a requirement to use both? Or can both carbon or copper alone (both sides) be used OK?  Thanks in advance. - djb |
The best things in life aren't things. |
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 Joined: 23/10/2010(UTC) Posts: 2,061 Location: FRANCE
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Hi, You have to use both, and at the good place !:  The two brush springs are different: - one flat spring for the carbon brush - one curved spring that goes inside the small hole of the copper brush. Best Regards Joël |
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 2 users liked this useful post by TrainIride
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Joined: 09/07/2023(UTC) Posts: 40 Location: Delaware, Long Neck
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Originally Posted by: genusCastor  I have an older Marklin 89028 (CM 800) engine, when I checked the brushes I found a carbon brush on one side and copper mesh on the other. Did an innerwebs search for replacement brushes and see they are sold in packs of two dissimilar (carbon & copper) brushes. Is this a requirement to use both? Or can both carbon or copper alone (both sides) be used OK? Thanks in advance. - djb For the older engines, you need both. Usually the carbon actually wears down while the copper one tends to wear unevenly over time and provides less contacts area. Its usually best to replace both at the same time but the carbon will wear quicker. it is also helpful to open the engine rotor assembly and clean the flat plates that the brushes contact so that the electrical connection is optimal. Ed
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Joined: 19/11/2024(UTC) Posts: 11 Location: Tejas
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Allrighty, thanks guys. The engine is running a lot better (quieter) since I cleaned the rotor and brushes. I'll need to order a new set of brushes to have on hand, these two are looking a little short. I see them for sale on eBay, any suggestions for another source?
Thanks again.
- djb |
The best things in life aren't things. |
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 Joined: 15/11/2023(UTC) Posts: 56 Location: Alberta, Calgary
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Originally Posted by: genusCastor Allrighty, thanks guys. The engine is running a lot better (quieter) since I cleaned the rotor and brushes. I'll need to order a new set of brushes to have on hand, these two are looking a little short. I see them for sale on eBay, any suggestions for another source?
Thanks again.
- djb I don't know if Tejas is a typo for Texas? You might want to look at: Texas European Model Trains
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1 user liked this useful post by hermanvk
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Joined: 19/11/2024(UTC) Posts: 11 Location: Tejas
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Originally Posted by: hermanvk Tejas is a historical spelling for Texas.  Thanks for the link, looks like they have some brushes, I'll order some today. - djb |
The best things in life aren't things. |
1 user liked this useful post by genusCastor
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Joined: 05/12/2008(UTC) Posts: 1,802 Location: Crozet, Virginia
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Plus one on AJCKids - they are my go to dealer for everything Marklin, from small parts to entire trains. And I don't live anywhere near to Tejas.  |
Regards,
Jim
I have almost all Märklin and mostly HO, although I do have a small number of Z gauge trains!
So many trains and so little time. |
2 users liked this useful post by dickinsonj
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Joined: 15/11/2023(UTC) Posts: 56 Location: Alberta, Calgary
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Originally Posted by: dickinsonj Plus one on AJCKids - they are my go to dealer for everything Marklin, from small parts to entire trains. And I don't live anywhere near to Tejas. Neither do I (live anywhere near to Tejas), but shipping is actually killing it always for me.... 
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1 user liked this useful post by hermanvk
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