Installing To A Concrete Wall; Locking Rails - CHIEF MTM1U Installation Instructions Manual

MSM1U / MTM1U / LSM1U / LTM1U

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)
(P) x 4
6 10
9
(Q) x 2
11
4
5 12
(N) x 2
13
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
7 10 (N) x 2
x 4
13 (Q) x 2
(MSM1U shown)
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.
(T) x 4
1
(R)
Figure 4
Installation Instructions
(R)