Huawei DBS3900 LTE Installation Manual page 69

RRU3260
Installation Guide
After installing each RRU on its main bracket, use an inner hexagon torque screwdriver to tighten
the captive screw into the holes of the attachment plate and main bracket to 5 N·m (44.25 lbf·in.)
so that the attachment plate and main bracket are firmly secured, as shown in
Figure 8-12 Securing the captive screw into the connection hole
Step 5 Install the metal sheet for neighboring RRUs, as shown in
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CAUTION
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8 Installing the RRU
Figure
Figure 8-13.
8-12.
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