Huawei DBS3900 LTE Installation Manual page 72

RRU3260
Installation Guide
Figure 8-15 Removing the RRU main bracket
(1) Main bracket
Step 3 Install the third main bracket and install the third RRU onto the third main bracket. Then use an
inner hexagon torque screwdriver to tighten the captive screw into the connection holes on the
top of the attachment plate and main bracket for the RRU, with a torque of 5 N·m (44.25 lbf·in.),
as shown in
The third main bracket must be installed with the opening ends of U-shaped slots on both sides
facing downwards.
Issue ()
Figure 8-16.
CAUTION
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(2) Pole installation bracket
8 Installing the RRU
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