Huawei DBS3900 Installation Manual page 62

RRU3260
Installation Guide
Figure 8-12 Installing the second RU onto the main bracket
After installing each RU 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
Figure 8-13 Securing the captive screw into the connection hole
Issue 05 (2014-06-30)
8-13.
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8 Installing the RU
54