SUN2000 (8KTL-28KTL) 
User Manual 
 
Huawei Proprietary and Confidential                                     
Copyright © Huawei Technologies Co., Ltd. 
 
Figure 4-8 Determining hole positions 
 
 
Step 2  Drill holes using a hammer drill, as shown in Figure 4-9. 
Figure 4-9 Drilling holes 
 
 
Step 3  Align the rear panel with hole positions, insert M10 x 60 bolts into the holes, and tighten the 
bolts to a torque of 30 N.m using a torque wrench, as shown in Figure 4-10.