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System rack removal and replacement
Before performing these procedures, read "Safety notices" on page xv.
System drawer removal
!
≥18 kg (37 lbs)
CAUTION:
Use safe practices when lifting. (C24)
To remove the system drawer from the rack, do the following:
1. If you have not already done so, shut down the system as described in "Stopping the system" on
page 310.
2. Open the front and back rack doors.
3. Disconnect all cables from the back of the system drawer.
4. Disconnect the cable-management arm by pulling out the two captive snap buttons from the back of
the system drawer.
5. From the front of the system drawer, lift the lower section of the system drawer-release latches, which
are located on each side of the system drawer. The system drawer release-latch clicks as it is put
into the release position.
6. Grasp the top section of both latches, and slowly pull the system drawer out.
7. Depress both safety release tabs located on each inner rail, and pull the system drawer out about two
inches.
8. Put the system drawer into the service position.
9. Using three persons, grasp the system drawer handles located on each side of the system.
10. Depress the safety latches located on each rail.
11. Remove the system by pulling it completely out and away from the rack and outer rack rails.
12. Push the extended outer rails carefully back into the rack.
Note: There is a gravity-activated locking tab at the back of each extended outer rail. The locking tab
locks the outer rails into their fully extended position and is unlocked by the action of the inner
rail being pushed back into the rack. To compensate for the separation of the inner rail from
the outer rail, center the lock tab with your hand, and then push the outer rail back into its
retracted position.
13. Close the front and back rack doors.
316
NAS Gateway 500 Service Guide
≥32 kg (70.5 lbs)
≥55 kg (121.2 lbs)
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