American Dynamics SpeedDome Optima LT Installation And Service Manual page 20

2x2 Tile Mount Installation
This procedure explains how to mount the dome's
housing in ceiling tile. After completing this
procedure, go to page 2-8 for chassis installation.
!
WARNING!
If ceiling frame cannot support dome,
ask building maintenance to install
additional ceiling supports.
Install Kit Supplied
0351-0376-01*
a) Bar, ceiling tee
b) Tab
c) Clip, T-bar
d) Chain, sash
e) "S" hook, open
* Only parts used in this procedure are listed.
Extension Bar Install Kit Supplied
0351-0243-01*
A) Bar, extension
B) Rivet, pop, .125"x.188"-.250"
C) Washer, flat #5
* Only parts used in this procedure are listed.
Procedure
1. Inspect the ceiling frame (Figure Chapter 2-
3).
Remove the ceiling tile(s) and inspect the ceiling
frame. The frame must be capable of withstanding
9kg (20 lbs)* of weight and the forces generated as
the dome pans and tilts.
!
WARNING!
If ceiling frame cannot support dome,
ask building maintenance to install
additional ceiling supports.
2. Placement of the T-bar.
Cut the 2x4 ceiling tile to 60.3cm (23.75") using the
length of the T-bar supplied (a) as a guide. Then
attach this T-bar (see detail) by centering steel tab
(b) through the slot at end of the T-bar. Bend the tab
as shown.
1 0500-0263-01
2 0500-0264-04
4 1400-0033-01
6 FT 2898-0002
2 2897-0004
4 0500-3326-01
16 2873-0004-05
16 2848-1408-01
3. Secure the T-bar.
SPEEDDOME LT
2-5
INDOOR INSTALLATION
Figure Chapter 2-3. Installing "Z" support
61cm (24")
a
Area of Detail
Frame
Slot
Bend tab
outward
Slide the tab through the slot in the existing frame
61cm (24") from the T-bar opposite. Bend the ends
of the tab outward to secure. Repeat for the other
end of the bar.
4. Set the housing into the ceiling opening
(Figure Chapter 2-4).
Set the housing into the ceiling opening. If installing
in a 2x2 ceiling, remove an adjacent ceiling tile to aid
installation.
Figure Chapter 2-4. Installing the dome housing
Ceiling
member
e
d
c
e
Eyelet
For slightly larger openings, see text and Figure
2-5
Chapter .
b
Bend tab
forward
Housing
Cables