Removal and replacement of ADU modules
8-18 Chapter 8: Service & maintenance 98-137654-A
To replace the GPS module, do as follows:
1. Open the service hatch by releasing the two latches with Torx
screws.
2. Switch off the power to the antenna on the service switch.
3. Rotate the antenna pedestal so that the arm with the GPS module
faces the service hatch.
Tools needed:
• 4x150 mm Allen key
(located inside the
service hatch of the
ADU).
Figure 8-10: Switch off the power to the antenna
Figure 8-11: GPS module facing the service hatch
SAILOR100TM.book Page 18 Tuesday, January 29, 2013 2:44 PM