Chief Manufacturing Stud Sensor CTA 111 User Manual

I N S T A LL A T I O N IN S T R U C T IO N S  
CTA-111  
Dual Stud Adapter  
The CTA-111 Dual Stud Adapter provides a 16”-on-  
center mounting solution for the following wall arm:  
x
CTA-025 Single Stud Wall Arm  
The CTA-111 has a maximum weight capacity of  
300 lbs. (136.1 kg).  
CTA-111 Dual Stud Adapter  
BEFORE YOU BEGIN  
x
CAUTION: To prevent damage to your equipment, which could affect or void the Factory warranty,  
thoroughly study all instructions and illustrations before you begin to install the CTA-111. Pay particular  
attention to the Warnings and Cautions in this document.  
x
If you have any questions about this installation, contact Chief Manufacturing at 1-800-582-6480 or 952-582-6480.  
CHIEF MANUFACTURING INC.  
8809-000024 (Rev. B)  
2007 Chief Manufacturing  
03/07  
1-800-582-6480 952-894-6280 FAX 952-894-6918  
8401 EAGLE CREEK PARKWAY, STE. 700  
SAVAGE, MINNESOTA 55378 USA  
 
Installation Instructions  
CTA-111  
INSPECT THE UNIT BEFORE  
INSTALLING  
Unpack the carton. Carefully inspect the parts for  
shipping damage. Verify contents listed in Table 1.  
CONTENTS  
INSPECT THE UNIT BEFORE INSTALLING............. 3  
PARTS .......................................................................... 3  
TOOLS REQUIRED FOR INSTALLATION................. 4  
INSTRUCTIONS........................................................... 4  
Installing Top Stud Spanning Adapter to Wall ............ 4  
Attaching Stud Spanning Adapter to Wall Arm........... 5  
If you are missing any of the listed parts, contact  
Customer Service at: 1-800/582-6480.300.  
Table 1. Shipping Contents  
Attaching Wall Arm to Wall-Mounted Top Stud  
Spanning Adapter ....................................................... 5  
ITEM DESCRIPTION  
QTY  
Attaching Bottom Stud Spanning Adapter to Wall ...... 6  
Attaching Front Cover ................................................ 6  
Connecting NPT Pipe or Nipple to Wall Arm.............. 6  
10  
20  
30  
40  
50  
60  
16” Spanning Adapter  
5/16 X 2.5” Lag Bolt  
5/16 Flat Washer  
M8 Flat Washer  
M8 Lock Washer  
M8 Hex Nut  
2
4
4
6
6
6
PARTS  
10  
20  
30  
40  
50  
60  
Figure 1. CTA-111 Parts  
3
 
Installation Instructions  
CTA-111  
TOOLS REQUIRED FOR  
INSTALLATION  
INSTRUCTIONS  
STEP 1  
The tools required for installation are as follows:  
Installing Top Stud Spanning Adapter to Wall  
x
x
x
x
x
Electric drill and bit set  
Install the top 16” stud-spanning adapter, as follows:  
Stud sensor (mechanical or electronic)  
½” box-end wrench or ratchet with ½” socket  
13mm box-end wrench or ratchet with 13mm socket  
Level  
NOTE: The top and bottom stud-spanning adapters  
must be mounted to wood studs that are  
16” apart on center. See Figure 2.  
1. Locate the two 16” stud-spanning adapters (10),  
four lag bolts (20), and four flat washers (30).  
NOTE: Other tools may be required depending on your  
WARNING  
method of installation.  
It is the installer’s responsibility to verify that  
the structure to which the mount is anchored  
will safely support five times the combined load  
of all attached components and equipment.  
16”  
2. Determine a suitable mounting location. Keep in  
mind that both stud-spanning adapters (10) must  
be mounted to wood studs that are 16” apart on  
center.  
3. Using a stud sensor, locate the two wood studs  
where you will mount the top stud-spanning  
adapter (10).  
4. Holding the top stud-spanning adapter (10)  
against the wall, use a pencil, awl, or small nail  
to mark the mounting holes where two pilot  
holes will be drilled into the center of the wood  
studs. Make sure that the mounting holes in the  
unit are level.  
Figure 2. Install Stud Spanning Adapters  
5. Using a 15/64” drill bit, drill two pilot holes for  
anchoring the top stud-spanning adapter (10).  
6. Using two 5/16” lag bolts (20) and two 5/16”  
flat washers (30), attach the top stud-spanning  
adapter (10) to the wall.  
4
 
Installation Instructions  
CTA-111  
STEP 2  
Attaching Stud Spanning Adapter to Wall Arm  
NOTE  
To minimize error, the wall arm is attached to  
the bottom stud-spanning adapter (10) before  
the wall arm and bottom stud-spanning adapter  
are secured to the wall.  
Refer to CTA-025 Single Stud Wall Arm  
(8809-000027) document for specific  
installation instructions to mount the wall arm.  
1. Locate the wall arm and its attaching parts [three  
M8 hex nuts (60), three M8 lock washers (50),  
and three M8 flat washers (40)]. See Figure 3.  
Figure 3. Attach Chief Wall Arm to Bottom Stud  
Spanning Adapter  
2. Using the parts listed in step 1, attach the wall  
arm to the bottom 16” stud-spanning adapter  
(10). Tighten hex nuts. See Figure 3.  
STEP 3  
Attaching Wall Arm to Wall-Mounted Top Stud  
Spanning Adapter  
1. Locate the following attaching parts for the wall  
arm [three M8 hex nuts (60), three M8 lock  
washers (50), and three M8 flat washers (40)].  
See Figure 4.  
2. With an assistant, perform the following steps:  
a. Lift wall arm onto the top wall-mounted 16”  
stud-spanning adapter (10). See Figure 4.  
b. Using the parts listed in step 1, attach the  
wall arm to the top wall-mounted 16” stud-  
spanning adapter (10). Tighten hex nuts.  
Figure 4. Attach Wall Arm to Wall-Mounted Stud  
Spanning Adapter  
5
 
Installation Instructions  
CTA-111  
STEP 4  
Attaching Bottom Stud Spanning Adapter  
to Wall  
1. Using a 15/64” drill bit, drill two pilot holes for  
anchoring the bottom stud-spanning adapter (10) to the  
wall. See Figure 5.  
2. Using two 5/16” lag bolts (20) and two 5/16” flat washers  
(30), attach the bottom stud-spanning adapter (10) to the  
wall.  
Figure 5. Attach Bottom Stud Spanning  
Adapter to Wall  
STEP 5 [REFERENCE ONLY]  
Attaching Front Cover  
1. Locate front cover and four M4 x 8mm Phillips head cap  
screws.  
NOTES  
x
x
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.  
2. Install the front cover using four M4 8mm Phillips head  
cap screws. See Figure 6.  
Figure 6. Attach Front Cover  
STEP 6 [REFERENCE ONLY]  
Connecting NPT Pipe or Nipple to Wall Arm  
1. Locate M6 x 6mm set screw 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. See  
Figure 7.  
3. Using the M3 Allen key, install the M6 x 6mm set screw.  
Tighten the set screw.  
(Supplied with TV Mount  
or purchased separately)  
WARNING  
Make sure to tighten the M6 x 6mm set screw to prevent  
equipment damage or personal injury.  
Figure 7. Connect NPT Pipe or Nipple  
to Wall Arm  
6
 

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