Electronics > Beginners
Cleaning a DC motor without disassembling
mikerj:
Back in my youth when I was into RC cars the way to run-in new 540 motors and clean used ones was to run them under water (from a battery pack). The amount of crud that gets flushed out of the vents is amazing, though obviously the motor must thoroughly dried and bearings re-lubricated afterwards.
Jwillis:
Silicone greases can support temperatures from -150° F to 600° F ., contain no harmful or flammable petrochemicals and some also be have Teflon (Polytetrafluoroethylene (PTFE)) added. The problem with Teflon lubricants are the carriers and Teflon is not the primary lubricant . Tri-flow primary lubricant is Naphthenic Petroleum Oil and the Teflon accounts for around 1% by volume.
Also consider that most heat sink compounds are Silicone grease based.
Regardless of what you use keep all lubricants out of the commutator.
mcovington:
Spindle oil was mentioned. What do people think of Marvel Mystery Oil as a very light, penetrating lubricant?
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