Yaskawa YASNAC PC NC Maintenance Manual - Manual (Page 196)

PC NC Maintenance Manual Chapter 6: Module/Unit Replacement
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6. Mount the CRT display unit on the machine operation box.
7. Insert all connectors and wiring in their original locations.
Following installation, verify functions as follows.
1. Power up the control.
2. Verify that the NC operates normally after the SERVO ON switch
is pressed, and that no alarms show on the MMI screen.
3. Verify that the NC starts the shutdown sequence after the SHUT
DOWN switch is pressed.
Bezel Assembly
Remove the unit bezel by following the steps below.
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.
4. Place the unit on a flat, steady surface.
5. Remove the touch screen flat cable from the touch screen control-
ler.
6. Remove the tie wrap (or any other kind of strain relief) holding
the SERVO ON/SHUT DOWN cable assembly wires.
7. Remove the SERVO ON/SHUT DOWN connector from the con-
nector plate by pushing the side connector lock tabs towards the
center of the connector and pulling the connector out. If neces-
sary, use a small, flat screwdriver, being careful to avoid damage
to the locking tabs.
8. Loosen the six front bezel-mounting screws and carefully remove
the bezel assembly from the CRT display unit.
9. Remove leftover debris (if any) inside the display unit from dam-
aged components (i.e., touch screen) such as broken glass, plastic
residue, etc.