Figure 8-2 Drilling Holes; Figure 8-3 Assembling An Expansion Bolt - Huawei DBS3900 Installation Manual

DBS3900(ICR)
Installation Guide
2.
3.
Issue 01 (2011-03-30)

Figure 8-2 Drilling holes

CAUTION
Take proper safety measures before drilling holes to protect your eyes and respiratory tract
against the dust.
Assemble the expansion bolt assembly by referring to
expansion bolt, and then insert it into the hole vertically.

Figure 8-3 Assembling an expansion bolt

(1) M12x60 bolt (2) Spring washer 12
Use a rubber mallet to hammer the expansion bolt until the expansion tube is buried into
the hole, and then use a torque wrench to tighten the M12x60 bolt until the tightening torque
reaches 45 N·m, as shown in
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(3) Flat washer 12
Figure 8-4.
8 Installing the IFS06
Figure 8-3, slightly tighten the
(4) Expansion tube
8-3