Huawei DBS3900 Installation Manual page 43

RRU3260
Installation Guide
Step 2 Install a buckle on each side at the bottom of the RU, and use an M4 torque wrench to tighten
the screws on the buckles to 1.4 N· m (12.39 lbf· in.), as shown in
Figure 6-2 Installing buckles at the bottom
(1) Buckle
Step 3 Use four hex screws to secure the plastic shells onto the RU and use an M6 hex key wrench to
tighten the screws to 2.8 N· m (24.78 lbf· in.), as shown in
Figure 6-3 Installing the plastic shells of the RU
----End
Issue 05 (2014-06-30) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
6 (Optional) Installing the Plastic Shells of the RU
Figure
(2) Screw
Figure 6-3.
6-2.
35