Remove the three screws for the underside of the trackball with the phillips screw
Apply denatured alcohol to the Q-tip, then scrub the rollers until they are clean
If it is needed, remove the hubs by simply pulling up on them. Check the chopper
wheel and photosensor then reinstall the hubs.
Press down on the bearings to make sure they are completely seated. Note the long
part of the bearing goes downward.
Place cable tabs in the slots in the case. Make sure that the cable and ball is in
place before covering with the top. Replace the three screw making sure NOT to over
Mechanical Optical Trackball Cleaning
Align the bearing with the long tip down.