Huawei DBS3900 Installation Manual page 172

DBS3900 LampSite
Installation Guide
Figure 10-1 Marking anchor points
Step 2 Drill holes at the anchor points, and install expansion bolt assemblies, as shown in
10-2. The diameter of the hole is 6 mm, and the depth is 25 mm to 30 mm.
Figure 10-2 Drilling holes and installing expansion bolts
Step 3 Place the Extender in the corresponding position and use an M4 Phillips screwdriver to
tighten the screws to 1.4 N•m, as shown in
Issue 06 (2015-10-30) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
10 Installing the Extender (Optional)
Figure 10-3.
Figure
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