— 5 —
1.
Rotate the housing cover counterclockwise until it unlocks and remove it.
2.
Remove the tracking ball.
3.
Wash the tracking ball with warm water and soap then allow it to dry.
4.
Use a cotton swab and alcohol to clean the tracking rollers in the housing.
5.
Replace the tracking ball and the housing cover.
6.
Rotate the housing cover clockwise until it locks in place.
