Huawei DBS3900 Installation Manual page 271

DBS3900 LampSite
Installation Guide
Take proper safety measures to protect your eyes and respiratory tract against the dust before
drilling holes.
2.
3.
4.
After dismantling an expansion anchor bolt, ensure that the top of the expansion tube is on the
same level as the wall. Otherwise, the device cannot be installed on the wall evenly and
securely.
Step 3 Fit the horizontal bar of the steel mesh mounting kit on the expansion anchor bolts, place the
flat washers, spring washers, and nuts through the expansion anchor bolts in sequence, and
then use a 16 mm (0.63 in.) torque socket to tighten the nuts to 30 N· m (265.52 lbf· in.), as
shown in Figure 14-34.
Figure 14-34 Installing mounting bracket on the expansion anchor bolts
Step 4 Use a hexagon screwdriver to remove the attachment plate from the bottom of the cabinet,
reinstall the attachment plate onto the side of the cabinet, and tighten the four stainless screws
to 5 N· m (44.25 lbf· in.), as shown in Figure 14-35.
Issue 08 (2016-05-30)
Tighten the expansion anchor bolts slightly and place one vertically into each hole.
Use a rubber mallet to pound the expansion anchor bolt until it goes all the way into the
hole.
Tighten and then loosen the expansion bolt, and remove the M10 bolt, spring washer,
and flat washer in sequence.
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14 (Optional) Installing the Cabinet and Cabinet Cables
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