l If insulating washers are missing or damaged, reinstall them, and then adjust the cabinet
level.
l If no insulating washers are missing or damaged, check whether the multimeter is faulty
or whether the setting is correct.
Step 7 Place the cabinet on the mounting holes, install the expansion bolts, and then tighten the bolt
until the tightening torque reaches 45 N·m, as shownFigure 8-6.
Figure 8-6 Securing the cabinet
Step 8 Install the cabinet door, as shown in Figure 8-7.
1. Align the spring pin with the hole, rotate the pin to the right until it is tightly pressed by
the door.
2. Install the equipotential cable on the door.
BTS3900L (Ver.C)
Installation Guide 8 Installing the Cabinet
Issue 07 (2013-11-08) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
31
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