Installing The Upper Attachment Plate On The Upper Part Of The Rru; Installing The Lower Attachment Plate On The Lower Part Of The Rru - Huawei RRU Hardware Maintenance Manual

RRU
Hardware Maintenance Guide
5.
Step 4 Turn the RRU with upper and lower attachment plates upside down, insert the RRU into the
correct slot in an ICR, and tighten the four M6 screws on the RRU to 5 N· m (44.25 lbf· in.), as
shown in
Issue 16 (2015-03-23)
Figure 4-28 Installing the upper attachment plate on the upper part of the RRU
Install the lower attachment plate on the lower part of the RRU, as shown in
a. Use an M6 Phillips screwdriver to remove the ground screw from the left side of the
lower part of the RRU.
b. Use an M4 torque screwdriver to tighten the two screws on the lower attachment
plate to 1.4 N· m (812.39 lbf· in.).
c. Install the removed ground screw into the original ground hole to secure the lower
attachment plate.
Figure 4-29 Installing the lower attachment plate on the lower part of the RRU
Figure 4-30.
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4 Replacing an RRU
Figure 4-29.
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