JRC JMR-92 Series Field Service Manual page 696

Step 6 Remove the Relay terminal block: CQD-2312
Disconnect all cables / wires from Relay terminal block by using a 3 mm width flat head
screwdriver. Then, dismount the Relay terminal block from the DIN rail. For the details of
dismounting, refer to the " Replacing the Relay Terminal Block: CQD-2312".
AC and DC power supplies have been connected to the Relay terminal block. Before
replacement work, be sure to turn OFF the applicable power circuit breaker.
Not following this instruction will cause electric shock and/or malfunction.
When UPS has been connected to the Relay terminal block, be sure to set the
"Bat-Select" rotary switch at "Service" on the UPS controller. Furthermore, be sure to
eject the fuse of the UPS battery.
Not following this instruction will cause electric shock and/or malfunction.
Step 7 Remove the two metal planks.
Using a Phillips stubby screwdriver, remove the screws (M5: total of 4 locations) that fasten the
two top and bottom metal planks and take out both of them.
4-475 Chapter 4 Replacement procedure