Huawei DBS3900 Installation Manual page 74

RRU3260
Installation Guide
Tighten the nuts on the two square-neck bolts alternatively. After the main and auxiliary
brackets are secured properly, measure the spacing between the brackets on both sides and
ensure that the spacing is the same on the two sides.
Figure 8-32 Securing the RU mounting brackets
Step 4 Use an inner hexagon screwdriver to remove the attachment plate from one side of the RU,
reinstall the attachment plate onto the rear of the RU, and tighten the four stainless screws to 5
N· m (44.25 lbf· in.), as shown in
Figure 8-33 Installing the attachment plate onto the rear of the RU
Step 5 Install the RU onto the main bracket, as shown in
Issue 05 (2014-06-30)
Figure
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8-33.
Figure 8-34.
8 Installing the RU
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