Figure 13-17 Drilling holes at the anchor points and installing expansion bolt assemblies
(1) M10x60 bolt (2) Spring washer 10 (3) Flat washer 10 (4) Expansion tube
Step 6 Place the IMB03 onto the two bolts at the upper anchor points, and then use a torque wrench to
pre-tighten the two bolts until a 20-30 mm length of each bolt is reserved out of the wall, as
shown in Figure 13-18.
TIP
Tighten the two bolts at the lower anchor points prior to the bolts at the upper anchor points, and ensure
that the subrack is vertical.
Figure 13-18 Pre-tightening the bolts at the upper anchor points
(1) Mounting ears on the IMB03
DBS3900 (Ver.B)
Installation Guide 13 Indoor Scenario (BBU Installed in an IMB03)
Issue 06 (2011-09-15) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
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