Chief Manufacturing Dual Stud Wall Arm CTA-225 - Manual (Page 7)

Installation Instructions CTA-225
7
STEP 4
Attaching Bottom Stud Spanning Adapter
to Wall
1. Locate two lag bolts (40) and two flat washers (50).
2. Using a 15/64” drill bit, drill two pilot holes for
anchoring the bottom stud-spanning adapter (20).
3. Using two 5/16” lag bolts (40) and two 5/16” flat
washers (50), secure the bottom stud-spanning
adapter (20) on the wall. See Figure 5.
NOTES
• The front cover may be partially removed and
reinstalled to conceal power/audio/video cables
after the TV/Mount is installed.
• You may remove one or both knockouts on
cover to assist routing to wall through cover.
STEP 5
Attaching Front Cover
1. Locate front cover (30) and four M4 8mm Phillips
head cap screws (90).
2. Install the front cover (30) using four M4 8mm
Phillips head cap screws (90). See Figure 6.
STEP 6
Connecting NPT Pipe or Nipple to Wall Arm
1. Locate M6 x 6mm set screw (100) and 1-1/2” NPT
pipe or nipple (supplied with TV Mount or
purchased separately).
2. Connect the 1-1/2” NPT pipe or nipple (supplied
with TV Mount or purchased separately) to the wall
arm (10). See Figure 7.
3. Using the M3 Allen key (110, supplied), install the
M6 x 6mm set screw (100). Tighten the set screw.
WARNING
Make sure to tighten the M6 x 6mm set screw (100)
to prevent equipment damage or personal injury.
Figure 5. Attach Bottom Stud Spanning
Adapter to Wall
Figure 6. Attach Front Cover
Figure 7. Connect NPT Pipe or Nipple to Wall Arm