IBM SAN256B-6 Installation, Service And User Manual page 50

Storage networking
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3. Install the shelf saddle (refer to Figure 7) to the nonport side of the rack. Install the saddle in the
same vertical location as where the shelf installs on the port side of the rack. In using the previous
figure as example, if the shelf is installed in location 23 on the port side, install the saddle in location
23 on the nonport side. Ensure that the words "THIS SIDE UP" on the saddle face towards the port
side of the rack (see the following figure).
Secure the saddle to the rack using four 10-32 screws with washers (refer to Figure 7), two screws on
each side of the saddle. Tighten the screws according to specifications under "Torque requirements"
on page 21.
Figure 5. Installing saddle to equipment rack
1 - Shelf saddle
2 - 10-32 x .5 in. (1.27 cm) Phillips screw with blue Loctite on threads or 10-32 x .63 in.(1.60 cm)
Phillips screw with square cone washer for racks that have rails with round holes. Use either 10-32
retainer nut for racks that have rails with square holes or 10-32 clip nut for racks that have rails
with round holes to retain screws.
Note: For rails with round holes, use the clip nuts (refer to Figure 7) on the rails for securing 10-32
screws. For rails with square holes, use the retainer nuts (see Figure 7). Also refer to Figure 8.
4. Place the shelf (refer to the following figure) on the saddle then secure it to the rack rails using four
10-32 screws with washers (refer to Figure 7). Tighten the screws according to specifications under
"Torque requirements" on page 21.
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SAN256B-6 Installation, Service, and User Guide

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