ACBox2000-21-D-A
User Manual (Pan-Europe Edition)
4 Installation
Issue 01 (2016-12-15)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
16
Figure 4-3
Marking holes
Step 2
Drill holes using a hammer drill and install M12x60 expansion bolts.
An expansion bolt is composed of four parts, as shown in
Figure 4-4
Expansion bolt composition
(1) Expansion sleeve
(2) Flat washer
(3) Spring washer
(4) Bolt
Figure 4-5
Drilling a hole and installing an expansion bolt