Figure 6-19 Stacking a cabinet onto another cabinet
Step 4 Use a torque wrench to tighten the four M12x30 bolts in the cabinet, as shown in Figure 6-20.
Figure 6-20 Tightening the bolts
(1) M12x30 bolt
(2) Spring washer (3) Flat washer (4) Gasket with an oblong hole
----End
DBS3900 (Ver.B)
Installation Guide
6 Outdoor Scenario with AC Power Supply (BBU Installed
in an APM30H)
Issue 06 (2011-09-15) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
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