JRC JMR-92 Series Field Service Manual page 353

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 hexagonal bolts
Example: Starboard side cover removal
Remove the five
cables.
Remove the three
screws.
4-133 Chapter 4 Replacement procedure