Confidential
Chapter 2 Installing System
RF4402d Series Installation Manual v1.0 57
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Category Anchor Bolt Drill Bits Hole Depth
2
Drill anchor holes at marked points with removing dust from the holes using a
cleaner. Fix strong anchor to the drilled hole.
Figure 54. Drilling & Anchoring
Hammer Drill
Vacuum Cleaner
0.55 in.
(14 mm)
M10 Stron
Ancho
nchor Punch
Hammer
[O]
* Remove the debris from the drilled hole.
[Anchor Hole Cross Section]
1.73 in.
(44 mm)
[X]
0.55 in.
(14 mm)