JRC JMR-92 Series Field Service Manual page 346

Step 2 Turn Off the safety switch and remove the cover.
Before beginning work, turn Off the safety switch located on the bottom of the stern side of the
scanner unit. Loosen the hexagonal bolts (four bolts) and remove the pedestal cover.
Bow side
Step 3 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.
Chapter 4 Replacement procedure
Loosen the hexagonal bolts
Example: Starboard side cover removal
4-126
Turn Off the safety switch.