Removal and replacement of ADU modules
99-145912-A Chapter 8: Service & maintenance 8-49
6. Remove the cable drum by removing the 4x4 mm Allen screws
(thread size M5) and leave the cable drum hanging in the cables.
7. Remove the Cross Elevation Drive Belt.
To insert a new X Elevation Drive Belt the instructions above in reverse
order — while observing the following mounting guidelines:
Follow the instructions given in To replace the X Elevation Motor and
Encoder on page 8-45.
Figure 8-61: Removing the cable drum