Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
Figure 4-7 Determining hole positions
Step 2 Drill holes using a hammer drill, as shown in Figure 4-8.
Figure 4-8 Drilling holes
Step 3 Align the rear panel with hole positions, insert M10x60 bolts into the holes, and tighten the
bolts to a torque of 30 N·m using a torque wrench, as shown in Figure 4-9.