Lacing CE-A - How to replace the index motor belts
This article can help with removing, replacing, adjusting, and closing again, as well as assisting in the replacement of the index section belt.
Here are some steps with photos to follow:
1- Remove the cover.

2- Now loosen the tensioner screws.

3- Now loosen the 4 motor screws.

Now the belt can be removed.
For better illustration, watch the video :