Huawei DBS3900 Installation Manual page 106

DBS3900 LampSite
Installation Guide
Figure 8-7 Drilling holes and installing expansion bolts
Step 4 Lead the M3.5x35 screws through the washers, and then through the drilling holes on the
mounting bracket to the plastic expansion sleeves, and torque the screws to 1.2 N•m, as
shown in
Figure 8-8 Installing the mounting bracket
Step 5 Fit the rotation axis on the pRRU3902 into the hooks on the mounting bracket, and then push
the pRRU3902 against the mounting bracket until a click is heard. See
Issue 06 (2015-10-30)
Figure 8-8.
NOTE
If the screws cannot be tightened using a Phillips screwdriver, use a hex key or an electric screwdriver to
assist the installation.
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8 Installing a pRRU3902
Figure 8-9.
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