CHEF XCB1U Back-to-Back Large Flat Panel Ceiling Mount Installation Guide

Our Mounts. Your Vision

INSTALLATION INSTRUCTIONS

XCB1U(Shown installed to
CPA Series extension column
as an example only)
Back-to-Back Large Flat Panel Ceiling Mount

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 or 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 TechnologiesAll rights reserved.

DEFINITIONS

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 a product that 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 a system such as a video camera, CPU, screen, display, projector, etc.
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.

IMPORTANT SAFETY 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 mounting systems 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 the 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.

WARNING: Exceeding the weight capacity can result in serious personal injury or damage to the equipment! It is the installer’s responsibility to make sure the combined weight of all components located within the mounting system of the XCB1U models does not exceed the maximum weights listed iTable

Table 1: Weight Capacity

MODEL| Max Weight
Allowed for
EACH Display| Max Weight Capacity of
Mounting System
---|---|---
XCB1U| 200 lbs
(90.7 kg)| 400 lbs
(181.4 kg)

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.
WARNING: Do not use this product outdoors.
IMPORTANT !: The XCB1U mounts are designed to be mounted to a 1-1/2″ NPT or NPSM following ANSI/ASME B1.20.1 (Schedule  40, 0.154″ minimum thickness steel or aluminum-ASTM B221) threaded extension column (not included); OR a UL Listed  Chief CPA Series extension column (not included).
NOTE: The XCB1U mounts are intended to be used with the
UL Listed CPA Ceiling Plates (not included): CPA330, CPA365, CPA395.
NOTE: The following UL Listed Chief ceiling plates WITHOUT swaged collars (not included) may also be used:
CMA330, CMA345, CMA395.

-SAVE THESE INSTRUCTIONS–

DIMENSIONS

LEGEND

| ****

| Tighten Fastener| | ****

| Adjust|
---|---|---|---|---|---|---
Apretar elemento de fijación| Ajustar
Befestigungsteil festziehen| Einstellen
Apertar fixador| Ajustar
Serrare il fissaggio| Regolare
Bevestiging vastdraaien| Afstellen
Serrez les fixations| Ajuster
| ****

| Loosen Fastener| |

| Remove
Aflojar elemento de fijación| Quitar
Befestigungsteil lösen| Entfernen
Desapertar fixador| Remover
Allentare il fissaggio| Rimuovere
Bevestiging losdraaien| Verwijderen
Desserrez les fixations| Retirez
| ****

| Phillips Screwdriver| | ****

| Optional
Destornillador Phillips| Opcional
Kreuzschlitzschraubendreher| Optional
Chave de fendas Phillips| Opcional
Cacciavite a stella| Opzionale
Kruiskopschroevendraaier| Optie
Tournevis à pointe cruciforme| En option
| ****

| Open-Ended Wrench| | ****

| By Hand
Llave de boca| A mano
Gabelschlüssel| Von Hand
Chave de bocas| Com a mão
Chiave a punte aperte| A mano
Steeksleutel| Met de hand
Clé à fourche| À la main
| ****

| Hex-Head Wrench|
Llave de cabeza hexagonal
Sechskantschlüssel
Chave de cabeça sextavada
Chiave esagonale
Zeskantsleutel
Clé à tête hexagonale

TOOLS REQUIRED FOR INSTALLATION

PARTS

INSTALLATION

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.
NOTE: The following procedure assumes that a UL Listed CPA or CMA ceiling plate (not included) and an extension column (not included) have been properly installed following instructions provided with the ceiling plate and extension column.
NOTE: Proceed to Attaching Mount to NPT Column section or Attaching Mount to CPA Extension Column section, as appropriate.
Attaching Mount to NPT Column

NOTE: Proceed to Attaching Mount to NPT Column section or Attaching Mount to CPA Extension Column section, as appropriate.
Attaching Mount to NPT Column
CAUTION: WATCH FOR PINCH POINTS! Do not place fingers between moveable parts.
1. Check inside of mount housing for screws encroaching in the extension column area.
2. Loosen two 5/16 x 3-1/2″ button head cap screws on the end of housing until they no longer extend into the extension column area inside using, but do NOT remove the screws completely. (See Figure 1)

Figure 1

3. Slide ceiling mount (CC) up from below onto installed column (not included). (See Figure 2)
4. Tighten two button head screws loosened in Step 2. (See Figure 1)
5. Thread bottom coupling (BB) onto installed column until tight, with a minimum of four threads engaged. (See Figure 2)
6. Install and tighten one 10-24 x 1/4″ set screw (T) into bottom coupling (BB). (See Figure 2) Figure 2

7. Loosen two button head screws tightened in Step 4, and slide ceiling mounts down extension column until it rests on the bottom coupling (B). (See Figure 1)
8. Rotate the mount to the desired position.
9. Re-tighten two button head screws against the column. (See Figure 1)

Attaching Mount to CPA Extension Column
CAUTION: WATCH FOR PINCH POINTS! Do not place fingers between movable parts.
1. Check inside of mount housing for screws encroaching in the extension column area.
2. Loosen two 5/16 x 3-1/2″ button head cap screws on the end of housing until they no longer extend into the extension column area inside the housing, but do NOT remove the screws completely. (See Figure 3)

Figure 3

3. Slide ceiling mount (CC) up from below onto installed column (not included). (See Figure 4)
4. Tighten two button head screws loosened in Step 2. (See Figure 3)
5. Slide bottom stop collar (AA) onto the installed column, lining up holes in the collar with holes in the column.
6. Install two 5/16″ x 1″ self-tapping screws (U) through two 5/16″ flat washers (V), bottom stop collar (AA), and into the installed column. (See Figure 4)
7. Install and tighten 5/16″ x 3/4″ set screw (W) into the bottom stop collar (AA). (See Figure 4)
8. Loosen two button head screws tightened in Step 4, and slide ceiling mounts down extension column until it rests on the bottom stop collar (AA). (See Figure 4)
9. Rotate the mount to the desired position.
10. Re-tighten two button head screws against the column. (See Figure 3)

Figure 4

Attaching Interface Brackets to Display
1. Lower the latch mechanism on each interface bracket (DD). (See Figure 5)

2. Align the center of the interface bracket (DD) with the center of the screen. (See Figure 6)
NOTE: The diamond-shaped hole in the bracket corresponds to the center of the mount.

Figure 6

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.
3. Select correct screws, spacers (if necessary), and universal washers from the hardware bag (A-N) and attach brackets (DD) to the back of the screen. (See Figure 6)
IMPORTANT !: The M8 screws do NOT require a washer. Use the universal washer (N) only with M4, M5, and M6 screws.
NOTE: The nesting spacers (M) may be used separately, or put two together in different configurations to create different size spacers. (See Figure 7)

Figure 7

Attaching Displays to Ceiling Mount
1. Ensure that the latch mechanisms on interface brackets (DD) are already lowered. (See Figure 5)
2. While supporting both sides of the display, lower display onto ceiling mount, hooking top of interface brackets onto the front of a ceiling mount. (See Figure 8)
WARNING: IMPROPER INSTALLATION CAN LEAD TO DISPLAY FALLING CAUSING SERIOUS PERSONAL INJURY OR DAMAGE TO EQUIPMENT! The displays MUST be centered on each side of the ceiling mount.

Figure 8

4. Fasten bracket against ceiling mount using one 10-24 x 5/8″ button head cap screw (Y). (See Figure 9)
5. Repeat for remaining interface bracket on display.
6. Repeat Steps 1 – 5 for the remaining display.

Figure 9

Adjustments

CAUTION: Watch for pinch points! Do not place fingers between moveable parts.
IMPORTANT !: Always use two hands (one at bottom of the display and one at top of the display) to adjust the ceiling mount.
Roll
The ceiling mounts allow up to 3° roll in each direction.
1. Turn the roll adjustment bolt(s) in the direction necessary for the desired roll. (See Figure 10)
NOTE: Each roll adjustment bolt controls the roll on its side of the mount.
2. Stop adjusting when the desired setting is reached.

Figure 10

Tilt
The interface brackets allow -5° to 20° tilt and can be locked at 0°, 10°, and 20° tilt.
3. If necessary, loosen the button head tilt friction bolt (located on side of the interface bracket). (See Figure 11)
4. Adjust tilt as required. (See Figure 11)
5. The tilt may be locked at 0°, 10°, and 20° using one 10-24 x 2-1/4″ Phillips head screw (X) and one 10-24 lock nut (Z) per interface bracket. (See Figure 11)
6. Tighten button head tilt friction bolt as necessary. (See Figure 11)
7. Repeat for remaining interface brackets.

Figure 11

OPTIONAL: Security

1. OPTIONAL: Add padlock (not included) to each interface
bracket to lock displays to ceiling mount. (See Figure 12)

Figure 12

Our Mounts. Your Vision
Chief Manufacturing, a products division
of Milestone AV Technologies
8800-003044 Rev00
2018 Milestone AV Technologies
www.milestone.com
04/18

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