Chief CMS391 Installation guide

Chief
Brand
Chief
Model
CMS391
Category
Flat panel ceiling mounts
Type
Installation guide

Chief CMS391 is a versatile and durable ceiling plate designed to provide secure and adjustable mounting for projectors and displays weighing up to 500 lbs. It features a 16"/24" on-center design, allowing for flexible placement in a variety of ceiling configurations. The CMS391 is easy to install with included hardware and offers enhanced security with the option to replace screws with security fasteners.

Chief CMS391 is a versatile and durable ceiling plate designed to provide secure and adjustable mounting for projectors and displays weighing up to 500 lbs. It features a 16"/24" on-center design, allowing for flexible placement in a variety of ceiling configurations. The CMS391 is easy to install with included hardware and offers enhanced security with the option to replace screws with security fasteners.

INSTALLATION INSTRUCTIONS
Instrucciones de instalación
Installationsanleitung
Instruções de Instalação
Istruzioni di installazione
Installatie-instructies
Instructions d´installation
16"/24" Adjustable On-Center Ceiling Plate
Spanish Product Description
German Product Description
Portuguese Product Description
Italian Product Description
Dutch Product Description
French Product Description
CMS390/CMS391
CMS390/CMS391 Installation Instructions
2
DISCLAIMER
Milestone AV Technologies, Inc., and its affiliated corporations
and subsidiaries, intend to make this manual accurate and
complete. However, Milestone makes no claim that the
information contained herein covers all details, conditions or
variations, nor does it provide for every possible contingency in
connection with the installation or use of this product. The
information contained in this document is subject to change
without notice or obligation of any kind. Milestone makes no
representation of warranty, expressed or implied, regarding the
information contained herein. Milestone assumes no
responsibility for accuracy, completeness or sufficiency of the
information contained in this document.
IMPORTANT WARNINGS AND
CAUTIONS!
WARNING: A WARNING alerts you to the possibility of
serious injury or death if you do not follow the instructions.
CAUTION: A CAUTION alerts you to the possibility of
damage or destruction of equipment if you do not follow the
corresponding instructions.
WARNING: Failure to read, thoroughly understand, and
follow all instructions can result in serious personal injury,
damage to equipment, or voiding of factory warranty! It is the
installer’s responsibility to make sure all components are
properly assembled and installed using the instructions
provided.
WARNING: Failure to provide adequate structural strength
for this component can result in serious personal injury or
damage to equipment! It is the installer’s responsibility to
make sure the structure to which this component is attached
can support five times the combined weight of all equipment.
Reinforce the structure as required before installing the
component.
WARNING: Exceeding the weight capacity can result in
serious personal injury or damage to equipment! It is the
installer’s responsibility to make sure the combined weight of
all components attached to the CMS390/391 up to (and
including) the display/projector does not exceed 500 lbs
(226.80kg).
DIMENSIONS
1.936
49.181
3.202
81.332
10 - 24 UNC THREADS
17.649
448.295
2X
3.139
79.742
8.825
224.147
14.625
371.475
2.625
66.675
2X 4.688
ADJUSTABLE BOTH DIRECTIONS
119.063
2X .500
12.700
16.000
406.400
.390
9.906
.390
9.906
.575
14.597
2X 1.625
41.275
2X .875
22.225
7.500
190.500
3.750
95.250
1.1/2" - 11.5 NPT TREADS
CMS-390
Installation Instructions CMS390/CMS391
3
DIMENSIONS...cont’d
1.936
49.181
3.202
81.332
10 - 24 UNC THREAD
651.495
2X
3.139
79.742
12.825
325.747
22.625
574.675
2.625
66.675
2X 8.688
ADJUSTABLE BOTH DIRECTIONS
220.663
4X .500
12.700
24.000
609.600
.390
9.906
4X
.390
9.906
.575
14.597
2X 1.625
41.275
2X .875
22.225
7.500
190.500
3.750
95.250
16.000
406.400
1.1/2" - 11.5 NPT TREADS
CMS-391
LEGEND
Tighten Fastener
Apretar elemento de fijación
Befestigungsteil festziehen
Apertar fixador
Serrare il fissaggio
Bevestiging vastdraaien
Serrez les fixations
Loosen Fastener
Aflojar elemento de fijación
Befestigungsteil lösen
Desapertar fixador
Allentare il fissaggio
Bevestiging losdraaien
Desserrez les fixations
Phillips Screwdriver
Destornillador Phillips
Kreuzschlitzschraubendreher
Chave de fendas Phillips
Cacciavite a stella
Kruiskopschroevendraaier
Tournevis à pointe cruciforme
Security Wrench
Llave de seguridad
Sicherheitsschlüssel
Chave de segurança
Chiave di sicurezza
Veiligheidssleutel
Clé de sécurité
By Hand
A mano
Von Hand
Com a mão
A mano
Met de hand
À la main
Open-Ended Wrench
Llave de boca
Gabelschlüssel
Chave de bocas
Chiave a punte aperte
Steeksleutel
Clé à fourche
Installation Instructions CMS390/CMS391
4
TOOLS REQUIRED FOR INSTALLATION
#2
1/4" (12.7mm)
5/32"
Security
(Included)
1/8"
PARTS
A (1)
(CMA-391
shown)
B (2)
1/4-20 x 3-1/2"
C (2)
1/4"
D (1)
E (1)
10-24 x 1/4"
F (2)
5/16-18 x 5/8"
G(1)
10-24 x 1/4"
H (1)
5/32"
Security
Installation Instructions CMS390/CMS391
5
INSTALLATION
NOTE: The CMS-390 and CMS-391 attach to a 1-1/2" NPT
threaded column in a finished ceiling with 16" on-center
(CMS-390) or 24" on-center (CMS-391) wood joists. In
addition, both the CMS-390 and CMS-391 can be
installed in line on a single joist.
1. Remove end caps from ceiling plate (A). (See Figure 1)
Figure 1
2. Drill two 1/8" pilot holes into wood joists.
3. Install ceiling plate (A) to ceiling using two 1/4-20 x 3-1/2"
lag bolts (B) and two 1/4" flat washers (C). (See Figure 2)
4. Re-install end caps onto ceiling plate (A). (See Figure 2)
Figure 2
5. Install 1-1/2" NPT threaded column (not included) into
threaded collar on ceiling plate (A).
6. Install one 10-24 x 1/4" Phillips head screw (G) into
threaded collar and tighten. (See Figure 3)
Figure 3
Security
1. For increased security, remove two set screws from ceiling
plate and replace with two 5/16-18 x 5/8" security set
screws (F). Tighten with 5/32" security hex wrench (H).
(See Figure 4)
Figure 4
2. For additional security, remove Phillips screw in threaded
collar of ceiling plate and replace with one 10-24 x 1/4"
button head security cap screw (E) through security spinner
(D). Tighten with 5/32" security hex wrench (H).
(See Figure 4)
Adjustment
To adjust position of ceiling plate, loosen adjustment set
screws, adjust plate to position, and tighten screws. (See
Figure 4)
(A)
End caps
3
4
4
(
(B) x 2
(C) x 2
(A)
(G
6
(G) x 1
(F
1
(F) x 2
(F
2
(E) x 1
(A)
(D) x 1
Adjustment
Set Screws
CMS390/CMS391 Installation Instructions
USA/International A 8401 Eagle Creek Parkway, Savage, MN 55378
P 800.582.6480 / 952.894.6280
F 877.894.6918 / 952.894.6918
Europe A Fellenoord 130 5611 ZB EINDHOVEN, The Netherlands
P +31 (0)40 2668620
F +31 (0)40 2668615
Asia Pacific A Room 24F, Block D, Lily YinDu International Building
LuoGang, BuJi Town, Shenzhen, CHINA.
P +86-755-8996 9226
F +86-755-8996 9217
8803-000092
2008 Chief Manufacturing
www.chiefmfg.com
02/08
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Chief CMS391 Installation guide

Chief
Brand
Chief
Model
CMS391
Category
Flat panel ceiling mounts
Type
Installation guide

Chief CMS391 is a versatile and durable ceiling plate designed to provide secure and adjustable mounting for projectors and displays weighing up to 500 lbs. It features a 16"/24" on-center design, allowing for flexible placement in a variety of ceiling configurations. The CMS391 is easy to install with included hardware and offers enhanced security with the option to replace screws with security fasteners.

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