[61bone]

Go to your favorite home improvement place and get a tube of Worm Saw Grease. Throughly knead the tube. Take the angle drive cover off your 4" or other size angle grinder and fill about half way with the worm saw grease. Don't remove the original grease unless it has hardened or has cuttings in it. If it is removed, fill the cavities with chassis grease before adding the worm saw grease The new grease will mix with the old and will be thin enough to lube the upper bushing every time you lay it down. Replace cover and your done.
You'll be surprised at how much better it will work and how much cooler it will run.

[dinger]

Originally Posted by 61bone

Go to your favorite home improvement place and get a tube of Worm Saw Grease. Throughly knead the tube. Take the angle drive cover off your 4" or other size angle grinder and fill about half way with the worm saw grease. Don't remove the original grease unless it has hardened or has cuttings in it. If it is removed, fill the cavities with chassis grease before adding the worm saw grease The new grease will mix with the old and will be thin enough to lube the upper bushing every time you lay it down. Replace cover and your done.
You'll be surprised at how much better it will work and how much cooler it will run.

This is good info. Can you put this in the Wiki? That way it won't get lost in the pages.