JRC JMR-92 Series Field Service Manual page 308

Step 3 Replace the brake circuit unit.
Remove the four screws (M5) that are holding the chassis.
Remove the four screws that are holding the brake circuit at the rear of the chassis and then
remove it. Remove the eight screws (CFA-261) or two screws (CFA-262) that are holding the
resistor and replace it. After replacing the brake circuit unit, reassemble the unit by following the
disassembly procedure in the reverse order. Do not forget to tighten the bolts or screws, and make
sure that the cables are connected.
Step 4 Operation check
After completing the replacement work, turn On the safety switch and check operation by
following the procedure below.
(1) Turn On the Display unit. After the countdown is completed, start transmission and check
that the radar image appears without error.
This completes brake circuit unit replacement.
Chapter 4 Replacement procedure 4-88