IBM 0551, Manual

Page: 68 / 182

10.
Go to the front of the rack and extend the rails from the rack until they lock into place.
11. Use two screws (A) to secure the left and right rails in the rack.
12. Slide the expansion unit into and out of the rack slowly to ensure that the expansion unit can slide
freely on the rails. If the expansion unit cannot slide freely on the rails, then slide the expansion unit
towards the front of the rack. Then loosen the six screws
(C) an eighth of a turn, and then slide the
expansion unit into and out of the rack slowly until the expansion unit slides freely on the rails.
Slide the expansion unit out toward the front and retighten the six screws
(C) .
13. Slide the expansion unit completely into the rack.
Figure 53. Attaching the cable-management arm
Figure 54. Secure the rails
58
Installing into a rack