JRC JMR-92 Series Field Service Manual page 337

Step 2 Remove the transmitter-receiver unit.
Remove the cover on the right (starboard) side, remove the cables connected to the
transmitter-receiver unit and the screws (three M5 screws) holding it in place, and then remove it.
Loosen the four
hexagonal bolts.
Example: Starboard side cover removal
Remove the five
cables.
Remove the three
screws.
4-117 Chapter 4 Replacement procedure