PC 5170 Flat Panel PCStep 2:Step 3:Step 4:Step 5:Step 6:Step 7:Insert the PSU module and bracket assembly into the chassis and attach thePSU bracket to the chassis with the previously removed retention screws.Secure the PSU module to the chassis by reinserting the previously removedretention screws through the bottom panel.Bundle the cables of the new PSU module and secure them with a plastic tiesimilar to the old PSU module.Reconnect all previously disconnected power connectors to the motherboardand disk drives.Reattach the elevated platform.Replace the back cover.Step 0:4.6 System Cooling Fan ReplacementPlease read the warnings at the beginning of Section 4.3 before attempting to access anyPC 5170 internal components.If the system cooling fans have been damaged, they must be replaced. To replace thesystem cooling fans, please follow the steps below.4.6.1 Remove the Old System Cooling FansStep 1:Step 2:Step 3:Remove the back cover (Section 4.3.1).Detach and remove the elevated platform (see Section 4.3.2).Remove the plastic tie that bundles the fans wires together and disconnect thesystem cooling fans from the motherboard (Figure 4-13).Page 78 ACNODES® Corp.