Figure 3-19 Determining the anchor points
Step 2 Drill holes on the anchor points and install the expansion bolt assembly, as shown in Figure
3-20.
Figure 3-20 Drilling holes and installing the expansion bolt assembly
1. Use the percussion drill with a Φ14 bit to drill four holes at the anchor points.
CAUTION
Protect yourself when drilling holes in the wall. Flying dust may hurt your eyes or you
may inhale the dust.
NOTE
The drilled holes must be 52 mm to 60 mm deep.
2. After the holes are drilled, use the cleaner to clean the dust both inside and around the holes.
If the inter-hole distance is too long or too short, locate and drill holes again.
3 Installing RRU3804 and SRXU Hardware
RRU3804
User Guide
3-20 Huawei Technologies Proprietary Issue 01 (2007-11-29)
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