my experience is that it just takes time to work all the dirt out.
apply some gt85 or wd40 or similar, work the mechanism back and forth in your hand. Then use a cloth to get it as clean as possible and repeat. If your lucky you will gradually work out all the embedded dirt in the moving parts.
my experience is that it just takes time to work all the dirt out.
apply some gt85 or wd40 or similar, work the mechanism back and forth in your hand. Then use a cloth to get it as clean as possible and repeat. If your lucky you will gradually work out all the embedded dirt in the moving parts.