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RRU3268
Installation Guide
Step 3 Use a 16 mm (0.67 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 U-steel, as shown in
Tighten the nuts on the two square-neck bolts alternatively. 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 8-23 Securing the RRU mounting brackets
Step 4 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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Figure
8-24.
8 Installing the RRU
Figure
8-23.
66
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