Intergraph TDZ-300, Setup And Maintenance Manual, Page: 63 / 136

Chapter 4 - Maintaining the System 49
Power Supply
CAUTION
Purchase replacement power supplies from Intergraph to ensure proper
specifications are met and to guarantee safety.
WARNING
Set the AC voltage switch on the back of the power supply to the
correct voltage for your location, or the power supply will be
irreparably damaged when power is applied. If you do not know the
voltage range, call your local utilities company for assistance.
➤
To remove the power supply:
1. Remove the AC power cord from the back of the base unit.
2. Remove the SCSI termination card as described in “Replacing the
SCSI Termination Card.” It is not necessary to disconnect the card
from the SCSI cable.
3. Remove the auxiliary disk drive (or its bracket if not installed) as
described in “Replacing the Auxiliary Hard Disk Drive.”
4. Disconnect the power cable from the combo drive, CD-ROM drive,
and system hard disk drive.
5. Disconnect the system power cables from the system board P1
through P5 connectors.
6. Open the clip that secures the bundle of power cables. Remove the
audio cable (connecting the CD-ROM drive to the system board) from
the power cable bundle.
7. Using a quarter-inch nutdriver, remove the screws securing the power
supply to the back of the base unit.
8. Slide the power supply to the front and remove it from the base unit.