Installation of the ADU
99-145912-A Chapter 3: Installation 3-21
3.3.2 To open and remove the service hatch
Through the service hatch you can access the antenna modules. You can
remove the hatch for better mobility when servicing the antenna.
Do as follows to open and remove the service hatch:
1. Use a Torx TX20 screw driver to remove the two screws locking the
latches.
2. Pull open the two latches and let the lid fall open.
If necessary, you can remove the service hatch.
3. Free the service hatch from the nylon loops, move them to the side,
one by one.
4. Pull the service hatch free. The service hatch weighs approx. 4.5 kg.
5. When inserting the hatch again follow steps above in reverse order.
Lock the two latches of the service hatch by fastening the two screws
in the latches with a Torx TX20 screw driver to protect the ADU
modules against unauthorised access.
Figure 3-19: To open the service hatch
Figure 3-20: To remove the nylon loops
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