Huawei DBS3900 LTE Installation Manual page 89

RRU3260
Installation Guide
Verify that the arrows on the pole installation bracket are pointing up.
Step 5 Install the main bracket onto the pole installation bracket, and use an inner hexagon screwdriver
to tighten four M6x16 inner hexagon screws to 5 N·m (44.25 lbf·in.) so that the main bracket
and pole installation bracket are firmly secured, as shown in
Figure 8-38 Installing the main bracket
(1) Main bracket
Step 6 Use an inner hexagon screwdriver to remove the attachment plate from one side of the RRU,
reinstall the attachment plate onto the rear of the RRU, and tighten the four stainless screws to
5 N·m (44.25 lbf·in.), as shown in
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CAUTION
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(2) Pole installation bracket
Figure 8-39.
8 Installing the RRU
Figure 8-38.
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