Dell PowerApp 120, 1500 manual Installing the Top Cover in the Rack

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3.Secure the mounting bracket at the back of the slide assembly by pushing against the inside of the vertical rail and pressing down until the square peg pops into the square hole in the back vertical rail.

4.Repeat steps 1 through 3 for the remaining slide assembly on the other side of the rack.

Installing the Top Cover in the Rack

CAUTION: If you are installing more than one system, install the first sys- tem in the lowest available position in the rack.

CAUTION: Never pull more than one component out of the rack at a time.

1.Slide the top cover to the back of the system chassis until it stops. Press in on the slide release buttons (on the right and left slide surfaces) while sliding the

top cover back to completely disengage the top cover from the chassis (see Fig- ure 1-15).

top cover

system chassis

release button access

hole

slide release button

Figure 1-15. Removing the Top Cover From the System Chassis

CAUTION: Place the system chassis where the exposed inner components will not be damaged or exposed to ESD or falling items.

2.Place the system chassis on a flat surface, out of the way.

3.Lift the top cover into position in front of the slide assemblies.

4.Move the top cover to the back of the rack cabinet and align the slots on the left and right sides with the matching shoulder studs on the slide assemblies.

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Rack Installation Guide 1-19

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Contents Rack Installation Guide Page     Page Safety Instructions Page Contents Figures IndexTwo-Post Center-Mount Rack Kit Installation Recommended Tools and Supplies Rack Kit ContentsTwo-Post Open-Frame Relay Rack 1-U Hole Spacing Marking the RackSecuring the System in the Rack Attaching the BracketsInstalling the System in the Rack Two-Post Flush-Mount Rack Kit InstallationTwo-Post Flush-Mount Rack Kit Contents Installing the System Chassis in the Rack Securing the Top Cover to the Rack Installing the Front Panel Spacers Four-Post Rack Kit Installation Before You Begin Installation TasksOpening the 42-U Rack Door Removing the Doors From the 42-U RackRemoving the 42-U Rack Doors 10. Opening the 24-U Rack Door Removing the Doors From the 24-U Rack11. Removing the 24-U Rack Doors 12. One Rack Unit 13. Using the Template to Mark the Vertical Rails 14. Installing the Slide Assemblies Installing the Slide Assemblies in the Rack15. Removing the Top Cover From the System Chassis Installing the Top Cover in the Rack16. Installing the Top Cover in the Rack 17. Installing the System in the Rack Installing the Support Bracket 18. Installing the Support Bracket Installing the Cable-Management Arm 19. Installing the Cable-Management Arm Replacing the Rack Doors on a 24-U Rack Replacing the Rack Doors on a 42-U RackIndex Installation   Page  @    Page  êë$%&ì=Kí!1Xîïf V~hijVk          !#$ %&   *    + *              ¨   ¥Uab„a`ª /0     ¨  Uab%XYü8  žŸ    6òYó8 ãR%6UabnoXYü8  123456    1.75  ¨ /$¾cƒ$„í4x$`…?  73489 * ¨ UV%tuvXYZK  = %    ¨  `a‚$6UabcXYZK4    ?  ¨  $`uUÊa`XYZK #@A4 ¨ Ê$u¾$XYZK 34  * 34  *€~X   6Z6k    DE Page    
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