Huawei DBS3900 Installation Manual page 64

RRU3260
Installation Guide
Procedure
Step 1 Install the two RUs, as shown in
Figure 8-15 Two RUs installed on a pole
Step 2 Use an M6 inner hexagon screwdriver to remove the four inner hexagon screws from the
second set of mounting brackets, and remove the main bracket from the auxiliary bracket, as
shown in
Figure 8-16 Removing the RU main bracket
(1) Main bracket
Step 3 Install the third main bracket and install the third RU 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 RU, with a torque of 5 N· m (44.25
lbf· in.), as shown in
Issue 05 (2014-06-30)
Figure
Figure 8-16.
Figure 8-17.
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8-15. For details, see 8.2.2 Installing Two
(2) Pole installation bracket
8 Installing the RU
RUs.
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