Reoiling the sleeve bearings on a Coleman Mach 13,500 BTU RV Air Conditioning electric motor may significantly extend the life of that motor. Here's how I did mine. Here is the link to the video I used to remove the motor out of the AC unit (unfortunately, this video, as of March, 2024, is no longer available):
• Video
Information on "Permawick":
https://www.permawick.com/PermaWick.html
If my video helped you out and you want to show your appreciation, donate a few bucks here:
https://paypal.me/RoySpears?country.x...
A helpful article on small motors:
https://www.marsdelivers.com/wps/wcm/...