GE CyberDome II, Installation Manual

Page: 55 / 56

Appendix A
Installing the individual mounts
47
4. Following all local codes, drill the mounting holes (use a 3/16 in. drill bit) and cut the housing
passthrough hole. Drill/cut all holes perpendicular to the panel and be careful not to overcut the
housing passthrough hole.
5. Reset the angle brackets and ceiling ring on the removable ceiling panel aligning the center mounting
holes of the brackets and ring with the drilled holes in the panel. Remember that the flat side of the
ceiling ring lies on the angle brackets.
6. Using two of the fasteners provided, fasten the ceiling ring and the brackets to the panel through the
center mounting holes ( Figure 31 ). Tighten until snug, but not overtight.
Figure 31. Fastening the support kit onto the removable ceiling panel
7. Using the last four of the fasteners provided, fasten the ends of the angle brackets to the ceiling panel.
8. Reinstall the panel in the ceiling ( Figure 32 ).
Figure 32. Installed T-bar support kit
9. Return to Installing the housing on page 12 to finish installing the dome.
Flush-mount
housing
Ceiling ring
Angle brackets
Removable
ceiling panel
Viewed from side
(shown with housing )
Note: Adhere to minimum load
requirements. See
Table 1
on page 5.
End mounting holes of
the angle
Ceiling T-bars
Center
mounting holes of the ring
Housing
passthrough
Viewed from above
Angle
brackets
Ceiling
ring
Removable