If you do thorough work and pick out the textolite worm gear be careful with it, it's neither cast iron nor bullit proof. The rest is though. Dried up old grease is hard to clean out, it can be stubborn. Like Janey mentions the experts recommend vaseline or The Featherweight shop's grease for the motor wicks, but for the hand wheel and other parts behind there it looks like Tri-Flow and similar stuff with teflon are held in high regard.