RRU
Hardware Maintenance Guide
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
Step 7 Attach a blade RRU to the fourth main bracket, and then use an inner hexagon torque
screwdriver to tighten the captive screws into the holes of the attachment plate and main
bracket to 5 N·m (44.25 lbf·in.), as shown in Figure 6-7.
Figure 6-7 Installing a blade RRU on the fourth main bracket
Step 8 Install blade RRUs on both sides of the blade RRU according to the instructions in the section
"Installing Three or More RRUs" in a related blade RRU installation guide.
After installing each RRU on its main bracket, use an inner hexagon torque screwdriver to
tighten the captive screw into the holes of the attachment plate and main bracket to 5 N·m
(44.25 lbf·in.), as shown in Figure 6-8.
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