DBS3900 LampSite
Installation Guide
14 (Optional) Installing the Cabinet and Cabinet Cables
Issue 08 (2016-05-30)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
244
Figure 14-7
Drilling a hole and inserting expansion anchor bolt assemblies
(1) M10x80 bolt
(2) Nut
(3) Spring washer
(4) Flat washer
(5) Expansion tube
1.
Use a hammer drill with a φ8 bit to drill holes vertically at the marked anchor points.
Ensure that the depth of each hole ranges from 45 mm (1.77 in.) to 50 mm (1.97 in.).
Take proper safety measures to protect your eyes and respiratory tract against the dust before
drilling holes.
2.
Use a vacuum cleaner to clear the dust out from inside and around the holes, and
measure the distances between holes. If any of the holes is beyond the acceptable range,
mark a new anchor point and drill a new hole.
3.
Tighten the expansion bolts slightly, and place each expansion bolt vertically into each
hole.
4.
Use a rubber mallet to pound the expansion anchor bolt until it goes all the way into the
hole.
5.
Tighten and then loosen the expansion bolt, and remove the M10 bolt, spring washer,
and flat washer in sequence.
After dismantling an expansion anchor bolt, ensure that the top of the expansion tube is on the
same level as the wall. Otherwise, the device cannot be installed on the wall evenly and
securely.
Step 3
Install the pole installation bracket on the expansion anchor bolts, place the flat washers,
spring washers, and nuts through the expansion anchor bolts in sequence, and then use a 16
