Installation Instructions

11 Closing a Maintenance Cavity
After all installation procedures are complete, you need to close the AAU maintenance cavity.
Procedure
Step 1 Use waterproof blocks to seal vacant waterproof troughs in the maintenance cavity.
Step 2 Use an M6 inner hexagon torque screwdriver to tighten the screw on the maintenance cavity, as
shown in the following figure.
Figure 11-1 Closing a maintenance cavity
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AAU3940
Installation Guide
11 Closing a Maintenance Cavity
Issue 01 (2015-01-15) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
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