Removal and replacement of ADU modules
99-145912-A Chapter 8: Service & maintenance 8-25
4. Disconnect the connector located on the bottom side of the GPS
PCB.
5. Loosen the 4x4 mm Allen screws (thread size M5).
6. Lift the complete GPS module free, in the key holes, from the
pedestal.
To insert a new GPS module follow the instructions above in reverse
order.
Figure 8-20: Connector for GPS PCB
Figure 8-21: Screws on GPS module