Huawei RRU3971 Installation Manual page 61

1.
2.
Step 3 Use a 16 mm (0.63 in.) M10 torque wrench to tighten the nuts to 40 N·m (354.03 lbf·in.) so that
the mounting brackets are secured onto the pole, as shown in
Tighten the nuts on the two square-neck bolts simultaneously. 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 7-5 Securing the RRU mounting brackets
Step 4 Install the RRU onto the main bracket, as shown in
Issue ()
NOTE
Ensure that the arrows on the mounting brackets are pointing up.
Adjust the position of the nut and remove the square-neck bolt at the open end from the
slot on the auxiliary bracket.
Slide the mounting brackets onto the pole horizontally and insert the square-neck bolt into
the slot.
NOTICE
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7 Installing the RRU
Figure 7-5.
Figure 7-6.
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