Installation Instructions

Figure 9-13 Drilling a hole and inserting expansion anchor bolts
(1) M8x80 bolt (2) Nut (3) Spring washer (4) Flat washer (5) Expansion tube
NOTICE
After dismantling an expansion anchor bolt, ensure that the top of the expansion tube is on
the same level as the wall. Otherwise, the main mounting bracket cannot be installed on
the wall evenly and securely.
Step 4 Place the main mounting bracket against the wall, use a torque wrench to tighten four M8 bolts
to 13 N·m (115.06 lbf·in.) and so that the main mounting bracket is securely installed on the
wall, as shown in the following figure.
AAU3940
Installation Guide 9 Installing an AAU
Issue 01 (2015-01-15) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
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