Thanks you very much for this "hard to find" service manual.
Will help a lot in repairing this receiver.
Text excerpt from page 21 (click to view)
Level 1 and 2 Service Manual
Disassembly
Removing and Replacing the Antenna Cover
1. 2. Remove the battery cover, battery and SIM, as described in the procedures. Insert the disassembly tool under each side of the antenna cover to release the antenna cover latches (see Figure 4).
Disassembly tool Latch
Antenna cover
051212o
Figure 4. Removing the Antenna Cap 3. 4. 5. 6. 7. 8. Carefully lift the antenna cover away from the phone. To replace, align the antenna cover over the antenna. Place the curved edge of the antenna cover onto the phone. Carefully press the straight edge of the antenna cover into place until the latches snap into place. Insert the RF grommet fully into the opening on the antenna cover. Reassemble the SIM, battery, and battery cover as described in the procedures.
