14 Dell™ PowerEdge™ 4210 Installation Guide2 Allow the side panel to swing outward slightly from the bottom.3 Grasp the panel firmly using the handles.4 Lift the panel upward until it clears the top of the rack (see Figure 1-4).5 Pull the side panel away from the rack.CAUTION: Because of the size and weight of the rack cabinet side panels, neverattempt to remove or install them by yourself.6 Place the panel in a safe location with the panel’s outer surface facingupward.Placing the panel with the outer surface facing upward helps preventdamage to its cosmetic coating.7 Repeat step 1 through step 6 for the other side panel.Replacing the Side PanelsCAUTION: Because of the size and weight of the rack cabinet side panels, neverattempt to remove or install them by yourself.To replace the side panels, perform the removal steps in reverse.Reversing the Front Door (optional)NOTE: Use a 4-mm Allen wrench to remove the front-door hinge bodies from therack and reinstall them on the side opposite their original positions. You might needa stepladder in order to access the Allen bolt that secures the top hinge body to therack.To reverse the direction that the front door opens, complete the followingsteps:1 Remove the front door. For instructions, see "Removing the Front Door."2 Remove the side panels. For instructions, see "Removing the Side Panels."3 Reverse the top hinge body.a Pull the hinge pin upward slightly so that you can access the retentionclip (see Figure 1-5).b Using the needle-nose pliers, remove the retention clip, and slide thehinge pin out of the hinge body.