NOTE: To ensure proper operation and cooling, all bays in the system must be populated at alltimes with either a system component or with a blank.Before working inside your system1. Turn off the sled using the CMC.2. Remove the sled from the enclosure.3. Install the I/O connector cover.After working inside your system1. Install the sled in the enclosure.2. Turn on the sled.Recommended toolsYou need the following items to perform the procedures in this section:• #1 and #2 Phillips screwdrivers• 4 mm and 5 mm Hex nut drivers• Wrist grounding strapRemoving and installing a sledCAUTION: Many repairs may only be done by a certified service technician. You should onlyperform troubleshooting and simple repairs as authorized in your product documentation, or asdirected by the online or telephone service and support team. Damage due to servicing that isnot authorized by Dell is not covered by your warranty. Read and follow the safety instructionsthat came with the product.Removing a sledPrerequisites1. Ensure that you read the Safety instructions.2. Follow the procedure listed in Before working inside your system.Steps1. Turn off the sled.NOTE: When a sled is turned off, the front-panel power indicator is OFF.2. Press the release button on the sled handle and rotate the sled handle away from the sled todisengage the sled from the interposer connectors.3. Slide the sled out of the enclosure.CAUTION: If you are permanently removing the sled, install a sled blank. Operating thesystem for extended periods of time without a sled blank installed can cause the enclosure tooverheat.35
