RailPro > RailPro Specific Help & Discussion
Repeated Motor Over Peak Current alert
Alan:
--- Quote from: ON28 on July 23, 2020, 10:47:22 PM ---Yes, another teardown. Along with drilling holes for grabirons, my favorite part of the hobby! Any tips for cleaning the comm/brushes? Thanks!
--- End quote ---
Aerosol contact cleaner
atsfguy:
I have used isopropyl alcohol on a swab in a pinch and it seemed to work well. One must rotate the armature to ensure complete coverage and one must be alert to ensure no stray wisps of cotton attach themselves to any motor part.
Alan, as our resident electronics guy, do you see a problem with my method?
Cecil
Alan:
Sure, IPA will work. Contact cleaner is faster evaporating so you can really blast it. Just make sure everything is dry before applying juice.
ON28:
Thanks for the advice. I found a tutorial online restoring an Arnold N scale steamer, had lots of good info. The author used CRC 2-26, a bit of mineral spirits, and IPA. Also 2000 grit sandlpaper to clean the commutator. He ran the motor with CRC in it to clean the can, among other things. His methodology lowered draw by a full volt. Here's a link to the PDF:
https://www.nscale.net/forums/downloads/Arnold%20Tutorial.pdf
ON28:
--- Quote from: KiloWhiskey on July 24, 2020, 02:13:19 AM ---Just for my curiosity, how are the power from the trucks routed to the LM? Is it like the newer Kato with hard wires? Can you post pictures of insides?
Thx
Kevin
--- End quote ---
I hardwired directly to the LM.
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