Dell PowerVault 775N (Rackmount NAS Appliance) - Manual (Page 70)

4. Pull the system board tray straight back until it stops.
5. Lift the front of the system board tray upward slightly and then pull the tray straight back until it clears the chassis.
Replacing the System Board Tray
CAUTION: Before you perform this procedure, read the safety instructions in your System Information
document.
CAUTION: See "Protecting Against Electrostatic Discharge" in the safety instructions in your System
Information document.
1. With the system board tray levers in the upright position, slide the tray into the chassis until it stops (see Figure 4-26 ).
NOTICE: To prevent damage to the system board tray levers, rotate the levers simultaneously to remove or replace
the system board tray.
2. Rotate the system board tray levers down simultaneously until the tray is secured in the chassis (see Figure 4-11 ).
3. Replace the cover (see " Replacing the Cover ").
System Board Tray Levers
NOTICE: To prevent damage to the system board tray levers, rotate the levers simultaneously to remove or replace
the system board tray.
Removing the System Board Tray Levers
CAUTION: Before you perform this procedure, read the safety instructions in your System Information
document.
CAUTION: See "Protecting Against Electrostatic Discharge" in the safety instructions in your System
Information document.
1. Remove the system board tray (see " Removing the System Board Tray ").
2. For each lever, remove the screw securing the lever to the tray (see Figure 4-27 ).
Figure 4-27. Removing the System Board Tray Levers