Removal and replacement of ADU modules
8-46 Chapter 8: Service & maintenance 99-145912-A
6. Disconnect the 3 cables at the top of the Cross Elevation DDM.
7. Loosen the Cross-Elevation Drive belt tension/adjustment screw.
Figure 8-55: Replacement of X-Elevation Motor & Encoder 1
Figure 8-56: X-Elevation Motor & Encoder — belt tension/adjustment
screw