I became aware of this only recently:
Do not use lubricants that contain sulfur, as in some greases and oils labeled as "EP," in contact with bronze bushings and bearings, or other copper-containing parts. Here is why:
The sulfur in these lubricants reacts chemically with the copper in the bronze bearings and can cause corrosion, spalling, and premature bearing failure.
Google Search for "EP Grease and Copper Alloys" produced a number of hits, two notable documents are:...
Atlas / Craftsman Machines: Note On Use Of Lubricants
Do not use lubricants that contain sulfur, as in some greases and oils labeled as "EP," in contact with bronze bushings and bearings, or other copper-containing parts. Here is why:
The sulfur in these lubricants reacts chemically with the copper in the bronze bearings and can cause corrosion, spalling, and premature bearing failure.
Google Search for "EP Grease and Copper Alloys" produced a number of hits, two notable documents are:...
Atlas / Craftsman Machines: Note On Use Of Lubricants
