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System Maintenance 16-3
b) Cleaning
Clean the two long shafts, the bearing and the rotary ball with soft dry cloth or paper.
c) Installing
Put the rotary ball back in the trackball and then align the clamping ring click with the
top cover notch. Press the bulges on the ring with both hands and turn the ring about
45°counterclockwise until the ring clicks. As the bulges are flush with the top cover,
the ring is secured.
Top cover
Rotary ball
Clamping ring
Long shaft
Bearing
Long shaft
Clamping ring
click
Top
cover
notch