JRC JMR-92 Series Field Service Manual page 238

Step 6 Install the new motor.
Install the new motor in the scanner unit and secure it using the hexagonal screws. Tighten the
screws with the specified torque (380 kgf-cm). After replacing the motor, assemble the unit in the
reverse order of the disassembly procedure. Do not forget to tighten the bolts or screws, and make
sure that the cables are connected.
Step 7 Operation check
After completing the replacement work, turn On the safety switch and follow the steps below to
check the operation.
1. Turn On the Display unit. After the preheat countdown is completed, start transmission
and check that the radar image appears without error. Check that you do not hear any
unusual sound when the motor starts, rotates, and stops.
2. Open the service engineer menu to initialize the motor rotation time.
This completes motor replacement.
Chapter 4 Replacement procedure 4-18