Install the sensor assembly
The sensor assembly is made of 2 components:
- Top (red)
- Bottom (Green)
Screw inserts:
There are 2 types of screw inserts in the kit - big (M4), and small (M3).
For this, make sure to use the small ones !
- Install the 5 screw inserts (see picture under for reference)
- Use the same method as for the case:
- Let gravity do the work
- Push it 2/3 of the way in, then flip it and push flush against a flat surface
Bearings:
- For each of the 3 bearings, ...
- Cleanup the bearing hole
- Install the bearing in its spot
- Screw in the M3 torx screw
Spin the ball
- By default, the bearings will scratch a bit against the 3d print, and not roll correctly
- Rest the trackball on top of the 3 bearings
- Place your palm on top of the trackball
- Applying gentle pressure, make a circle movement, make sure you can hear the bearings rotating
- Do this for around 30 seconds
Pass through the sensor PCB
- Remove the lens from the sensor
- Turn the PCB to have the sensor facing towards you
- Gently pass it through the hole in the same position as the picture below:
Lens and Kapton Tape
- Remove the two yellow kapton tapes
- Reinstall the lens
- Make sure the little tab on the lens aligns with the hole on the sensor
Install the sensor assembly
- Insert the top sensor assembly through the top hole of the case (the red one from the picture at top of the article)
- You might have to push a little bit - be very careful.
- If it doesn't work, try from another angle
- Install the bottom assembly
- Make sure it's rotated like on the picture below before tightening the screws
- Screw in the 3 M3 screws
- Make sure it's tight, but do not overtighten - you might damage the print
Install the sensor PCB cache
Install the sensor cache on top of the PCB, aligning the two holes of the cache with the two holes of the PCB. Use the picture below for reference.
Screw in the sensor PCB using 2 M3 torx screws
