Huawei DBS3900 Installation Manual page 77

RRU3260
Installation Guide
1.
2.
Step 2 Place the pole installation bracket against the installation position, use a level to verify that
the pole installation bracket is placed horizontally, and then mark anchor points with a marker,
as shown in
Figure 8-37 Marking anchor points
(1) Level
It is recommended that the pole installation bracket be installed at a height of 1200 mm (47.24 in.) to
1600 mm (62.99 in.) above the ground.
Step 3 Drill holes at the anchor points, and then insert expansion anchor bolt assemblies, as shown in
Figure
Issue 05 (2014-06-30)
Use an M6 inner hexagon torque screwdriver to remove the four inner hexagon screws
on the pole installation bracket, and remove the main bracket from the pole installation
bracket.
Use an M10 torque wrench to loosen the nuts on the two square-neck bolts, and remove
the plastic cap, nuts, spring washers, flat washers, square-neck bolts, and pole
installation bracket from the auxiliary bracket.
Figure 8-37.
(2) Pole installation bracket
8-38.
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8 Installing the RU
(3) RU
69