Huawei ACBox2000-21-D-A User Manual page 21

ACBox2000-21-D-A
User Manual (Pan-Europe Edition)
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
Figure 4-5 Drilling a hole and installing an expansion bolt
Issue 01 (2016-12-15)
(2) Flat washer
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Figure 4-4.
(3) Spring washer
4 Installation
(4) Bolt
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