11. Repeat Steps 7 through 10 for the left rail subassembly
12. Insert the quantity-4 (quantity-2 per side) cage nuts provided into the rack in the second-to-top and
third-to-top square holes in the 4U space (mates to thumbscrew and panhead screw in Step 21)
13. While heeding the following safe handling precautions, ensure the middle slide ball bearing track is
fully seated to the front of the middle slide. This step is critical for proper rail sequencing and full
engagement of the inner rail on the middle rail. In the example on the left (below), the ball bearing
track is not fully seated to the front of the middle slide.
Warning: Safe handling precautions:
34 IBM Cloud Object Storage System: Medium/Large J11/J12 Disk Enclosure Hardware Installation and
Maintenance Manual
Summary of Contents for Medium J11
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