Yaskawa YASNAC PC NC Maintenance Manual - Manual (Page 197)

Chapter 6: Module/Unit Replacement PC NC Maintenance Manual
6-15
Install the bezel assembly as follows.
1. Attach the new bezel assembly to the display unit and tighten the
six mounting screws. To avoid damage to the bezel, do not over-
tighten.
2. Attach the SERVO ON/SHUT DOWN connector in the connector
plate by inserting the connector in the opening. Ensure that the
connector is securely locked and cannot be removed by pulling.
3. Insert the touch screen flat cable in the controller board , in its
original location.
4. Add a tie wrap (or original strain relief) to hold the SERVO ON/
SHUT DOWN cable assembly wires as in the original assembly.
5. Mount the CRT display unit on the machine operation box.
6. Insert all connectors and wiring in their original locations.
Following installation of the bezel assembly, verify functions as follows.
1. Power up the control.
2. Verify that the touch screen is working properly.
3. Verify that the NC operates normally after the SERVO ON switch
is pressed and that no alarms show on the MMI screen.
4. Go to the PC Settings screen and re-calibrate the touch screen.
5. Verify that the NC starts the shutdown sequence after the SHUT
DOWN switch is pressed.
CRT Mounting Bracket Assembly
Remove the CRT mounting bracket assembly as follows.
1. Turn the main power OFF.
2. Remove all connectors and wiring from the back of the display
unit.
3. Remove the CRT display unit from the machine operation box.
Place the unit on a flat, steady surface.