Angle Grinder Grease

danbrennan

Veteran Member
Lifetime Gold Member
Mar 13, 1999
5,075
Brighton, MI
My Makita 4" grinder, over 30 years old, started making some not good sounds today. So I took it apart to check the bevel gears. They actually look great, but the grease looked pretty dried out. It's the original grease, I never thought to put fresh grease in it. What kind of grease is good for an angle grinder? My first thought was Lithium wheel bearing grease, but I thought I'd ask, repacking the grease seems like something others would have done.
 

tom3

Veteran Member
Aug 1, 1999
15,147
ohio
I suppose anything is better than none, but a lot of the little gearboxes these days use 00 grease. Sort of a semi fluid stuff that actually gets in the gears but doesn't leak out. Tractor Supply or Rural King has it in some stores, not everywhere. In a quart bottle like regular gear lube.
 

danbrennan

Veteran Member
Lifetime Gold Member
Mar 13, 1999
5,075
Brighton, MI
You're right, that 00 grease is hard to find, I may have to order it.

I put a little wheel bearing grease on the gears for now. I'll see how it does next time I use it. Just starting it up for a few seconds after I moved the old grease around and added the wheel bearing grease, it seems okay.
 




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