Removal and replacement of ADU modules
99-145912-A Chapter 8: Service & maintenance 8-43
6. Loosen the 15x4 mm Allen screws (the 3 Allen screws on top are
longer than the rest) on the cover over the azimuth drive modules,
and remove the cover (lift and slide).
7. Disconnect the 6-pin connector (colored wires) from the Azimuth
DDM.
Figure 8-49: Azimuth encoder, remove cover
Figure 8-50: Azimuth DDM, disconnect connector