Page 1
INSTALLATION INSTRUCTIONS
LSM1U
LTM1U
MSM1U
MTM1U
FUSION HEIGHT ADJUST
FLAT PANEL MOUNTS
MSM1U/MTM1U/LSM1U/LTM1U
Page 2
MSM1U/MTM1U/LSM1U/LTM1U Installation Instructions
DISCLAIMER
Milestone AV Technologies, and its affiliated corporations and
subsidiaries (collectively "Milestone"), 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.
Chief® is a registered trademark of Milestone AV Technologies.
All rights reserved.
WARNING:
serious personal injury or damage to equipment! It is the
installer’s responsibility to make sure the combined weight of all
components located on the MSM1U/MTM1U does not exceed
125 lbs (56.7 kg); OR 200 lbs (90.7 kg) for the LSM1U/LTM1U.
WARNING: Use this mounting system only for its intended
use as described in these instructions. Do not use
attachments not recommended by the manufacturer.
WARNING: Never operate this mounting system if it is
damaged. Return the mounting system to a service center for
examination and repair.
Exceeding the weight capacity can result in
DEFINITIONS
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.
MOUNTING SYSTEM: A MOUNTING SYSTEM is the
primary Chief product to which an accessory and/or component
is attached.
ACCESSORY: AN ACCESSORY is the secondary Chief
product which is attached to a primary Chief product, and may
have a component attached or setting on it.
COMPONENT: A COMPONENT is an audiovisual item
designed to be attached or resting on an accessory or mounting
system such as a video camera, CPU, screen, display,
projector, etc.
IMPORTANT SAFETY INSTRUCTIONS
WARNING: Do not use this product outdoors.
IMPORTANT ! :
are designed to be mounted to:
• a bare 8" concrete or 8"x8"x16" concrete block wall, or
• a 2" x 4" wood studs wall covered by drywall with
maximum thickness of 5/8":
• MSM1U/MTM1U: Wood studs must be 16" on
• LSM1U/LTM1U: Wood studs may be 16" or 24" on
NOTE: The
adjust mounts may be used with the UL Listed
FCAV1U Fusion pull-out accessory.
The MSM1U/MTM1U/LSM1U/LTM1U mounts
center;
center.
MSM1U/MTM1U/LSM1U/LTM1U
Fusion height-
--SAVE THESE 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 parts are properly
assembled and installed using the instructions provided.
WARNING: Failure to provide adequate structural strength
for this mounting system can result in serious personal injury
or damage to equipment! It is the installer’s responsibility to
make sure the structure to which this mounting system is
attached can support five times the combined weight of all
equipment. Reinforce the structure as required before
installing the mounting system.
2
Page 3
Installation Instructions MSM1U/MTM1U/LSM1U/LTM1U
6.00
152.4
RAILS CAN BE SLID LEFT OR RIGHT
FOR OFFSET
1. MAXIMUM MOUNTING PATTERN IS 22.25" (565 mm) WITHOUT REVERSING UPRIGHTS
2. MAXIMUM MOUNTING PATTERN IS 25.6" (650 mm) WITH REVERSING UPRIGHTS
3. FOR RECESSED APPLICATIONS, MINIMUM VERTICAL LIFT FOR HOOK
ENGAGEMENT IS .75" (19 mm)
DIMENSIONS: [MILLIMETERS]
INCHES
MTM1U
6.00
152.4
RAILS CAN BE SLID LEFT OR RIGHT
FOR OFFSET
1. MAXIMUM MOUNTING PATTERN IS 22.7" (576 mm) WITHOUT REVERSING UPRIGHTS
2. MAXIMUM MOUNTING PATTERN IS 25.3" (642 mm) WITH REVERSING UPRIGHTS
3. FOR RECESSED APPLICATIONS, MINIMUM VERTICAL LIFT FOR HOOK
ENGAGEMENT IS .75" (19) mm)
DIMENSIONS: [MILLIMETERS]
INCHES
MSM1U
DIMENSIONS
3
Page 4
MSM1U/MTM1U/LSM1U/LTM1U Installation Instructions
16.00
406.4
MINIMUM WALL UPRIGHT SPACING
6.00
152.4
RAILS CAN BE SLID LEFT OR RIGHT
FOR OFFSET
1. MAXIMUM MOUNTING PATTERN IS 31.7" (805 mm) WITHOUT REVERSING UPRIGHTS
2. MAXIMUM MOUNTING PATTERN IS 34.3" (871 mm) WITH REVERSING UPRIGHTS
3. FOR RECESSED APPLICATIONS, MINIMUM VERTICAL LIFT FOR HOOK
ENGAGEMENT IS .75" (19 mm)
DIMENSIONS: [MILLIMETERS]
INCHES
LSM1U
16.00
406.4
MINIMUM WALL UPRIGHT SPACING
6.00
152.4
RAILS CAN BE SLID LEFT OR RIGHT
FOR OFFSET
1. MAXIMUM MOUNTING PATTERN IS 31.25" (793 mm) WITHOUT REVERSING UPRIGHTS
2. MAXIMUM MOUNTING PATTERN IS 34.6" (878 mm) WITH REVERSING UPRIGHTS
3. FOR RECESSED APPLICATIONS, MINIMUM VERTICAL LIFT FOR HOOK
ENGAGEMENT IS .75" (19 mm)
DIMENSIONS: [MILLIMETERS]
INCHES
LTM1U
DIMENSIONS--continued
4
Page 5
Installation Instructions MSM1U/MTM1U/LSM1U/LTM1U
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
Open-Ended Wrench
Llave de boca
Gabelschlüssel
Chave de bocas
Chiave a punte aperte
Steeksleutel
Clé à fourche
By Hand
A mano
Von Hand
Com a mão
A mano
Met de hand
À la main
Hex-Head Wrench
Llave de cabeza hexagonal
Sechskantschlüssel
Chave de cabeça sextavada
Chiave esagonale
Zeskantsleutel
Clé à tête hexagonale
Pencil Mark
Marcar con lápiz
Stiftmarkierung
Marcar com lápis
Segno a matita
Potloodmerkteken
Marquage au crayon
Drill Hole
Perforar
Bohrloch
Fazer furo
Praticare un foro
Gat boren
Percez un trou
Adjust
Ajustar
Einstellen
Ajustar
Regolare
Afstellen
Ajuster
Remove
Quitar
Entfernen
Remover
Rimuovere
Verwijderen
Retirez
Optional
Opcional
Optional
Opcional
Opzionale
Optie
En option
Security Wrench
Llave de seguridad
Sicherheitsschlüssel
Chave de segurança
Chiave di sicurezza
Veiligheidssleutel
Clé de sécurité
LEGEND
5
Page 6
MSM1U/MTM1U/LSM1U/LTM1U Installation Instructions
7/32" (5.5mm) Wood Stud
#2
3/8" (9.5mm) Concrete
1/8"
(included)
3/16" x 10"
(included)
C (4)
E (4)
A (4)
M4x12mm
B (4)
M4x20mm
M4x25mm
D (4)
M5x12mm
M5x20mm
F (4)
M5x25mm
G (4)
M6x12mm
H (4)
M6x20mm
(MSM1U/LSM1U Only)
[Interface brackets]
Universal Hardware Kit
I (4)
M6x25mm
K (4)
J (4)
M8x12mm
M8x20mm
L (4)
M8x30mm
MA (8)
[Nesting
MB (4)
[Universal washer]
Wall Mounting Hardware Kit
N (4)
5/16 x 2-1/2"
P (4)
UX10x60mm
Q (4)
[Slotted
washer]
X (4)
[Wall cover]
MSM1/LSM1 Mount Hardware Kit
R (1)
1/8"
S (1)
3/16"
T (4)
1/4-20 x 3/4"
U (2)
3/8-16 x 3/4"
MTM1/LTM1 Mount Hardware Kit
R (1)
1/8"
S (1)
3/16"
T (4)
1/4-20 x 3/4"
U (2)
3/8-16 x 3/4"
V (2)
1/4-20 x 1"
W (2)
1/4-20
Y (1)
Z (1)
[left]
[right]
AA (1)
BB (1)
[left]
[right]
(MTM1U/LTM1U Only)
[Interface brackets]
CC (1)
[MSM1U/MTM1U
mount]
CC (1)
[LSM1U/LTM1U
mount]
OR
spacer]
[Included in hardware box]
[Included in hardware box] [Included in hardware box]
TOOLS REQUIRED FOR INSTALLATION
PARTS
6
Page 7
Installation Instructions MSM1U/MTM1U/LSM1U/LTM1U
Center of screen
8"
Vertical center
of mount
(203.2mm)
(MSM1U shown)
11
12
5
6
(Q) x 2
7
10
(N) x 2
(CC)
9
(Q) x 2
13
(N) x 2
13
(MSM1U shown)
INSTALLATION
The MSM1U/MTM1U/LSM1U/LTM1U mounts are designed to
be mounted to a bare 8" concrete, 8"x8"x16" concrete block; or
2" x 4" wood studs (16" on center for MSM1U/MTM1U, and 16"
or 24" on center for LSM1U/LTM1U) wall covered by drywall of
5/8" maximum thickness.
The MTM1U and LTM1U have brackets which allow the TV to
be tilted. The MSM1U and LSM1U have static brackets which
keep the TV in an upright position.
Locate Mounting Site
WARNING:
MOUNT FALLING CAUSING SEVERE PERSONAL INJURY
OR DAMAGE TO EQUIPMENT! It is the installers responsibility
to make certain the structure to which the mount is being
attached is capable of supporting five times the combined
weight of all components located on the mount, not to exceed
125 lbs (56.7 kg) for the MSM1U/MTM1U OR 200 lbs (90.7 kg)
for the LSM1U/LTM1U.
NOTE: Proceed to either the Installing to a Wood Stud Wall
section or the Installing to a Concrete Wall section.
Installing to a Wood Stud Wall
1. Determine the center of the TV screen, and where it should
be located on the wall.
2. Locate the closest stud to the left and right of the selected
location.
IMPROPER INSTALLATION CAN LEAD TO
5. Using a level, mark the wall on each stud to attach the
mount through the upper mounting slots. (See Figure 2)
6. Drill one 7/32" (5.5mm) pilot hole in each stud.
7. Partially install two 5/16 x 2-1/2" flanged lag bolts (N) into
pilot holes but do not tighten to wall.
8. Hang mount (CC), aligning upper mounting slots over lag
bolts and adjust side-to-side for proper location.
9. Place one slotted washer (Q) over each flanged lag bolt.
(See Figure 2)
10. Tighten lag bolts to secure mount (CC) to wall at upper
mounting slots.
NOTE: If the screen area lies over a stud, use that stud and the
stud to either the left or right of it.
3. Line up the notches on mount (CC) with center of screen
marking to determine vertical center. (See Figure 1)
4. Measure up 8" (203.2mm) from the center point to mark
location of the upper mounting slots.
Figure 2
11. Mark the attachment points for the lower mounting slots,
making sure the attachment points are located on the studs.
(See Figure 2)
12. Drill 7/32" (5.5mm) pilot holes at markings for lower
mounting holes. (See Figure 2)
13. Use two 5/16 x 2-1/2" flanged lag bolts (N) and two 5/16"
slotted washers (Q) to attach the mount to the wall through
the lower mounting holes. (See Figure 2)
14. Slide rails to approximate center of screen location.
15. Proceed to Locking Rails section.
Figure 1
7
Page 8
MSM1U/MTM1U/LSM1U/LTM1U Installation Instructions
11
5
6
4
12
x 4
(P) x 4
10
7 10
(N) x 2
(Q) x 2
9
(Q) x 2
13
13
(N) x 2
(MSM1U shown)
(T) x 4
1
(R)
(R)
Installing to a Concrete Wall
1. Determine the center of the TV screen, and where it should
be located on the wall.
2. Line up the notches on mount (CC) with center of screen
marking to determine vertical center. (See Figure 1)
3. Measure up 8" (203.2mm) from the center point to mark
location of the upper mounting slots. (See Figure 1)
4. Using a level, mark the wall through both upper mounting
slots. (See Figure 3)
12. Drill 3/8" x 3-1/2" (9.5mm x 88.9mm) pilot holes at markings
for lower mounting holes. (See Figure 3)
13. Use two 5/16 x 2-1/2" flanged lag bolts (N) and two 5/16"
slotted washers (Q) to attach the mount to the wall through
the lower mounting holes. (See Figure 3)
14. Slide rails to approximate center of screen location.
Locking Rails (Optional)
1. Lock rails into place using two 1/4-20 x 3/4" set screws (T) on
mount upright (CC) and the 1/8" hex key (R). (See Figure 4)
2. Repeat for remaining mount upright.
NOTE: To easily install upper set screw against upper rail,
place set screw (T) onto hex key (R), and feed up into
hole while turning to tighten.
Figure 3
CAUTION: MINIMUM HORIZONTAL DISTANCE
BETWEEN WALL BRACKETS IS 16" (406.4mm). Do not
place mounting brackets closer together than 16" (406.4mm).
5. Drill one 3/8" x 3-1/2" (9.5mm x 88.9mm) pilot hole at each
marking.
6. Install an anchor (P) into each pilot hole using a hammer,
making sure that the anchor is flush with the wall.
7. Partially install two 5/16 x 2-1/2" flanged lag bolts (N) into
pilot holes but do not tighten to wall.
8. Hang mount (CC), aligning upper mounting slots over lag
bolts and adjust side-to-side for proper location.
9. Place one slotted washer (Q) over each flanged lag bolt.
(See Figure 3)
10. Tighten lag bolts to secure mount (CC) to wall at upper
mounting slots.
11. Mark the attachment points for the lower mounting slots,
making sure the attachment points are located on the studs.
(See Figure 3)
8
Figure 4
Page 9
Installation Instructions MSM1U/MTM1U/LSM1U/LTM1U
Center of bracket
Pull cord
[Brackets Y and Z shown]
(MA)
(MB)
(A-L)
(Single) (Nested) (Stacked)
0.375
[9.5]
0.563
[14.3]
0.750
[19.1]
1
2
Knobs
[Brackets AA
and BB shown]
Attaching Interface Brackets to Screen
1. Align the center of the bracket (Y and Z or AA and BB) with
center of screen. (See Figure 5)
NOTE: The diamond-shape holes in the bracket correspond to
the center of the mount.
NOTE:
The nesting spacers (MA) may be used separately, or
put two together in different configurations to create
different size spacers. (See Figure 6)
Figure 6
Switching Interface Brackets (Optional)
If an installation situation makes adjusting the location of
interface brackets necessary, there are several options.
1. The wall brackets may be adjusted side to side at the point
of attachment. (See Figure 7)
2. The location of the left and right interface brackets (Y and Z
or AA and BB) may be switched, with the knobs on the
MTM1U/LTM1U interface brackets (AA and BB) facing the
inside of the mount. (See Figure 7)
2. Select correct screws, nesting spacers (if necessary) and
IMPORTANT ! : (LSM1U/LTM1U Only) If M4 fasteners
are used to attach brackets to back of screen, the weight
of the screen may NOT exceed 150 lbs (68.0 kg).
Figure 5
WARNING: IMPROPER INSTALLATION CAN LEAD TO
DISPLAY FALLING CAUSING SERIOUS PERSONAL
INJURY OR DAMAGE TO EQUIPMENT! Using screws of
improper size may damage your display. Properly sized
screws will easily and completely thread into display
mounting holes. If spacers are required, be sure to use longer
screws of the same diameter.
universal washers from the hardware bag (A-M) and attach
brackets to back of screen. (See Figure 5)
Figure 7
9
Page 10
MSM1U/MTM1U/LSM1U/LTM1U Installation Instructions
3e
Knobs to outside
of brackets
[Brackets AA and BB shown]
3d
(X) x 4
Both interface brackets must NEVER be located
to one side of the wall brackets!
NEVER place both interface brackets to one
side of the wall mount center line (CL)!
Center Line (CL)
[Brackets Y and Z shown]
3. If necessary, the tilt interface bracket knobs may be
switched to allow the interface brackets (AA and BB) to be
reversed. (See Figure 8)
a. Remove display from mount.
b. Remove interface brackets from display.
c. Hold the right interface bracket horizontally, tightly
gripping it so that spacers do not move.
d. Remove the knob and screw.
e. Replace the knob and screw in the opposite order, with
the knob on the inside of the bracket.
f. Switch the right interface bracket to the left side of the
wall mount.
g. Repeat Steps 3c through 3f with the left interface
bracket.
NOTE:
NEVER place both interface brackets (Y and Z or AA
and BB) to one side of the wall mount center line! (See
Figure 10)
NOTE: Do NOT allow both interface brackets (Y and Z or AA
and BB) to be located on same side of wall bracket.
(See Figure 10)
Figure 8
Attaching Screen to Wall Mount
1. Attach wall covers (X) to top and bottom of both wall
brackets. (See Figure 9)
Figure 9
10
Figure 10
Page 11
Installation Instructions MSM1U/MTM1U/LSM1U/LTM1U
6
Pull
2
To p
Hook
cords
MSM1U / LSM1U
MTM1U / LTM1U
Latch in
6
Pull
cords
5
5
5
5
2
OPEN
position
2. Hang screen onto the top rail of the mount (CC). (See
Figure 11)
• MSM1U / LSM1U: Hang top hook of interface
brackets (Y and Z) onto the top rail of the mount (CC).
(See Figure 11)
• MTM1U / LTM1U: Move latch on top of interface
bracket to OPEN position and hang top hook of
interface brackets (AA and BB) onto the top rail of the
mount (CC). (See Figure 11)
NOTE: The screen initially installs into the "service mode" to
allow easy cable access.
3. Adjust screen and rails to desired viewing position.
4. Route cables between wall and rails.
CAUTION: PINCH POINTS! Keep fingers, hands and
cables out of pinch point areas.
5. Pull downward on the pull cords and swing inward toward
wall, latching interface brackets to lower rail and fastening
bottom of screen to the mount. (See Figure 11)
6. Attach end of pull cord (a magnet) to mount so it does not
extend beyond bottom of screen. (See Figure 11)
Figure 11
11
Page 12
MSM1U/MTM1U/LSM1U/LTM1U Installation Instructions
3" horizontal
1
adjustment possible
Raises screen
Lowers screen
1
2
(S)
(Screen not shown for clarity)
Latch in
CLOSED
position
3
(W)
(V)
2
Lock at 12° tilt
Lock at 6° tilt
Lock at 0° tilt
Interface
bracket
knob
Adjustments
Horizontal Adjustment
1. The mount wall brackets may be adjusted side to side at the
point of attachment. (See Figure 12)
2. The screen may be adjusted along rails side to side.
Figure 12
Tilt (MTM1U / LTM1U Only)
The interface brackets (AA and BB) allow from -2° to 12° tilt,
and can be locked at 0°, 6° and 12°.
1. Loosen the interface bracket knob.
2. Adjust tilt as required. (See Figure 14)
3. The tilt may be locked at 0°, 6° or 12° using one 1/4-20 x 1"
round head carriage bolt (V) and one 1/4-20 hex nut (W) per
interface bracket. (See Figure 14)
4. Tighten interface bracket knob as necessary.
NOTE: NEVER place both interface brackets (Y and Z or AA
and BB) to one side of the wall mount center line! (See
Figure 10)
NOTE: Do NOT allow both interface brackets (Y and Z or AA
and BB) to be located on same side of wall bracket.
(See Figure 10)
3. (MTM1U / LTM1U only) Move latch on top of interface
brackets to CLOSED position. (See Figure 14)
Roll/Height Adjustment of Wall Brackets
NOTE:
1. Turn to right (tighten) to raise side of screen. (See Figure 13)
2. Turn to left (loosen) to lower side of the screen.
The height adjust wall brackets allow adjustment of
+ 1/2".
Figure 13
12
Figure 14
Page 13
Installation Instructions MSM1U/MTM1U/LSM1U/LTM1U
(MTM1U / LTM1U)
(MSM1U / LSM1U)
1
(U) x 2
1
(U) x 2
1
(MTM1U / LTM1U)
Padlock shackle
- 5/16" (7.9mm)
maximum diameter:
1
Padlock shackle
- 5/16" (7.9mm)
maximum diameter:
(MSM1U / LSM1U)
Locking Screen Interface Brackets (Optional)
1. Lock screen interface brackets onto mount rails using one
3/8-16 x 3/4" set screw (U) on each interface bracket. (See
Figure 15)
Locking Mount (Optional)
1. Add padlock (not included) to interface bracket to complete
security. (See Figure 16)
NOTE: The padlock maximum shackle diameter is 5/16"
(7.9 mm).
Figure 15
Figure 16
13
Page 14
MSM1U/MTM1U/LSM1U/LTM1U Installation Instructions
14
Page 15
Installation Instructions MSM1U/MTM1U/LSM1U/LTM1U
15
Page 16
MSM1U/MTM1U/LSM1U/LTM1U Installation Instructions
Chief, a products division of
Milestone AV Technologies
8800-002623 Rev03
2016 Milestone AV Technologies
www.chiefmfg.com
01/16
USA/International A 6436 City West Parkway, Eden Prairie, MN 55344
P 800.582.6480 / 952.225.6000
F 877.894.6918 / 952.894.6918
Europe A Franklinstraat 14, 6003 DK Weert, Netherlands
P +31 (0) 495 580 852
F +31 (0) 495 580 845
Asia Pacific A Office No. 918 on 9/F, Shatin Galleria
18-24 Shan Mei Street
Fotan, Shatin, Hong Kong
P 852 2145 4099
F 852 2145 4477
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