COMPONENT DESCRIPTION AND REPLACEMENT
CPU REMOVAL
I-E96-192-5A 6 - 25
CPU REMOVAL
This section contains information and the removal instruc-
tions for the CPU inside the OIC consoles. Read the instruc-
tions before beginning. Refer to the manufacturer's
documentation for maintenance instructions.
IIOIC421 TABLETOP MODEL
To remove the CPU from an IOIC421 tabletop console see Fig-
ure 6-17 and follow these steps.
1. Turn off the power to the console. Check the power indica-
tor to see if power is removed.
2. In the rear of the cabinet, open the access door.
3. Remove the AC power cable from the CPU.
4. Remove and label all communication cables from the rear
of the CPU.
5. Remove the two screws that fasten the CPU mounting plate
to the track on each side of the cabinet.
6. Slide the CPU and mounting plate completely out the rear
of the cabinet.
7. Place the CPU and mounting plate on a clean work surface.
8. Remove the four screws from the bottom of the mounting
plate. These screws fasten the CPU to the mounting plate.
IIOIC422 CONSOLE
To remove the CPU from an IIOIC422 console see Figure 6-18
and follow these steps:
1. Turn off the main circuit breaker on the power entry panel.
Check the power indicator to see if power is removed.
2. Remove and label all cables from the CPU.
3. Remove the two screws that hold the front of the mounting
plate to the shelf.
4. Remove the two screws that hold the rear of the mounting
plate to the support bracket.
5. Slide the CPU and mounting plate out the back of the cabinet.
6. Remove the four screws holding the CPU to the mounting
bracket.
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