Option Board Fans (Deskside); System Hard Disk Drive Fan (Deskside) - Intergraph TD-x20 System Reference Manual

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6. In a desktop system, replace the system hard disk drives and the floppy disk drive.

Option Board Fans (Deskside)

To remove the option board fans:
1. Remove the peripheral brace, as described previously in Chapter 2, "Maintaining
System Devices."
2. Disconnect the power cables from the system board.
3. The option board fans are removed as a single, self-contained assembly. Remove the fan
assembly screws shown in the following figure; then remove the fan assembly.
To install a new option board fan:
1. The option board fans are installed as a single, self-contained assembly. Install the new
fan assembly into the chassis and connect the power cables to the system board.
2. Replace the peripheral brace.

System Hard Disk Drive Fan (Deskside)

A small fan beneath the power supply provides cooling to the system hard disk drives.
To remove the system hard disk drive fan:
1. Remove the screws shown in the following figure from the back cover. Pull on the side
of the cover opposite the AC receptacle to disengage it.
Screws