Chapter 2 Installing System
RT4401-48A Installation Manual v3.0 36
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Figure 33. Marking
Prerequisites
Before proceeding with the drilling process, make sure that you have items
mentioned in the following table
Table 10. Parts and Tools for Drilling
Hammer Drill
Concrete Drill Bit [0.6 in. (14 mm)]
Vacuum Cleaner
Table 11. Anchor Bolt Drill Bits and Hole Depth
Drill the anchor holes at the marked points. Remove dust from the holes using a
vacuum cleaner.
* Remove the debris from the drilled hole.
[Anchor Hole Cross Section]
If it is level, the bubble of the
spirit level is positioned at the
center of both lines.
Unit: in. (mm)/ : Marking Point