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Replacing chassis
Replacing the chassis is required when non-FRU devices must be replaced. Replacing a chassis requires a
scheduled maintenance window when the system is unavailable. The replacement chassis comes without
any FRUs, and therefore all cards and DDICs must be transferred to the new chassis.
About this task
To replace a chassis, complete the following tasks:
Steps
1. Remove the Hold Down Brackets (HDBs).
a. Remove the fixing screws from the rear of the enclosure.
b. Remove the HDBs from the rear of the rack.
2. Remove all DDICs from the enclosure and place on a static free mat or bench. Note the slot position
of each DDIC as you remove it, the DDICs must be reinstalled in the same slot position as in the
original chassis.
3. Remove the enclosure from the rack rails.
WARNING: Do not attempt to lift the enclosure without any assistance. If installed above the
lower 20U of a rack, a customer‐provided mechanical lift must be used to avoid injury.
4. Install the replacement chassis in the rack.
5. Install the HDBs.
6. Move all the back‐panel parts (EMMs, fans, and PSUs) from the original chassis to the racked
replacement.
7. Move the front panel bezel from drive drawer 0 from the original chassis onto the racked
replacement.
8. Install the DDICs into the replacement.
9. Turn on the enclosure as described in the Post-replacement tasks section in this document.
10. An update to the electronically stored product ID and Service Tag must be applied. Contact your
service provider.
11. Swap the bezel on drive drawer 0 of the failed chassis with the bezel on drive drawer 0 of the new
chassis before loading back into the rack.
12. Service Tag is not included in the replacement chassis. Remove the Service Tag label from the old
chassis and adhere it to the replacement chassis. Alternatively, mark the replacement chassis with the
Service Tag information or print a new tag.
Replacing rack rails
Rack rails are used to install the Dell Storage MD1280 enclosure into a rack.
About this task
To replace rack rails, complete the following tasks:
NOTE: This procedure contains high‐level tasks. For more information about the instructions, see
the
Rack Installation Instructions document available at www.dell.com/support.
Steps
1. Turn off the EMMs and enclosure as described in the Pre-replacement tasks section in this
document.
2. Remove the HDBs.
a. Remove the fixing screws from the rear of the enclosure.
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