Manual

C3473M-C (10/10) 31
1. Place Template A (supplied) against the ceiling and cut the appropriate holes.
a. Drill four 12 mm (0.5 inch) diameter holes.
b. Remove the large circular cutout from the template.
c. Cut a 180 mm (7.06 inch) diameter hole in the ceiling.
2. Install two anchor bolts (not supplied, M10 recommended) into the concrete ceiling (refer to Figure 19).
a. Install an anchor bolt in the center of the hole made in step 1.
b. Determine the anchor bolt length using Template B (supplied).
c. Use Template B to decide the nut position, and then mount the nut so that the distance between the
bottom surfaces of the nut and the ceiling is 134 mm (5.25 inches).
NOTE: If there is already an anchor bolt installed, it can be used as a second anchor bolt. Make sure that the
distance between the first and second anchor bolts is 1000 mm (3.28 feet) or less before use.
Figure 19. Installing the Anchor Bolts
3. Mount the safety wire angle (supplied) on the second anchor bolt and connect the safety wire (supplied) to
the angle (refer to Figure 20 on page 32).
a. Disconnect the safety wire from the safety wire angle.
b. Engage the bottom of the safety wire angle with the anchor bolt.
c. Bend the top of the safety wire angle.
ì
Nut
î
134 mm (5.25 inches) Between the
Bottom of the Nut and the Ceiling
ï
Ceiling
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Template B
ó
Anchor Bolts