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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.