- Topic ID: id_15460103
- Version: 3.0
- Date: Jun 15, 2020 11:00:27 PM
GOC6.6 VCT Host Computer (Z820) Power Supply Replacement
Prerequisites
Overview
This procedure shall be followed when replacing the Power Supply in the Z820 computer on a GOC6.6 VCT Console.
1 Z820 Computer Removal
Procedure
- Shutdown system. Select one of the following methods to Power
OFF the Console:
-
If Applications are up, click on the [Shut Down] button on desktop display and select [Shutdown].
-
If Applications are down, open a Terminal Window. Type: halt , then press ENTER.
-
When halt command has finished, power Off the console at the front panel switch.
-
- Apply LOTO. See Equipment Service - Lockout-Tagout-PPE procedure.
- Remove Keyboard Tabletop, Front and Rear covers from GOC6.6
console.
Refer to Replacement → Console (GOC6.6) → Console Cover Removal and Installation.
- Remove the Z820 computer from the GOC6.6 console chassis.
Refer to Replacement → Console (GOC6.6) → GOC6.6 VCT Host Computer (Z820) Replacement
2 Power Supply Replacement
Procedure
- Open the Z820 computer side access panel.
Figure 1. Z820 Side Access Panel Removal

- Locate Power Supply FRU by referencing the Illustration below.
Figure 2. Z820 Component Location

- Disconnect a power cable from the power supply.
- Pull out the old power supply from the Host computer, replace
the z820 power supply with new one.
Figure 3. Power Supply Removal

- Connect the power cable to the power supply.
- Reinstall the side access panel.
3 Restore the Console
Procedure
- Fully slide the Z820 computer back into the console chassis, until mounting brackets are flush against the console chassis.
- Remove and store the Service Platform.
- Install and torque the four (4) 3mm socket cap screws that mount
the Z820 computer in the GOC6.6 console.note:
Torque each the for (4) 3mm socket cap mounting screws to:
- Reconnect all cables removed earlier to the Z820 computer.
- Remove LOTO on console.
4 Finalization
Procedure
- Confirm NIO64HD computer powers up when console power is turned on.
- Perform the Functional Checks → System Scanning Test instructions from the procedure list.
- Install console covers and Keyboard Tabletop assembly.
Refer to Replacement → Console (GOC6.6) → Console Cover Removal and Installation Procedure.