KRA231 - Fastening accessory Chief - Free user manual and instructions

Product Type	Fastening Accessory
Brand	Chief
Model	KRA231
Compatible Mounting Systems	K1C and K2C Series Column Mounts
Weight Capacity (per display)	25 lbs (11.34 kg)
Weight Capacity (total assembly)	50 lbs (22.68 kg)
Number of Displays Supported	2 (center mount with even distribution)
Material	Steel
Color	Black (typical)
Mounting Hole Standard	VESA compatible (M4 screws)
Included Screws	4x M4x14mm (flush) and 4x M4x25mm (recessed) with spacers
Faceplate Rotation	90° both directions (landscape/portrait) with optional lock
Tools Required	Phillips screwdriver, hex key (3/16 in)
Installation	Slides onto column, secured with screws
Quick Release	Faceplate with quick release tab for easy display attachment
Use	Indoor only
Warranty	Refer to original mount instructions
Certifications	Not specified; meets safety standards

Frequently Asked Questions - KRA231 Chief

What is the maximum weight capacity for each display on the KRA231?

Each display must not exceed 25 lbs (11.34 kg). The total combined weight of both displays must not exceed 50 lbs (22.68 kg).

Which mounting systems is the KRA231 compatible with?

The KRA231 is designed for use with K1C and K2C Series column mounts from Chief.

Can the KRA231 be used outdoors?

No, the KRA231 is intended for indoor use only as stated in the safety instructions.

How do I attach a display to the KRA231?

Remove the quick release faceplate, attach it to the back of the display using the provided M4 screws (flush or recessed with spacers), then slide the faceplate onto the KRA231 head until the quick release tab locks.

Can the display be mounted in portrait orientation?

Yes, the faceplate can be rotated 90 degrees in either direction for landscape or portrait use. An optional locking screw is available.

What tools are needed for installation?

You need a Phillips screwdriver and a 3/16 inch hex key (for rotational adjustment).

Does the KRA231 include all necessary hardware?

Yes, it includes M4x14mm and M4x25mm screws, spacers for recessed mounting, and a locking screw for rotation.

What is the recommended structural support requirement?

The structure must support at least five times the combined weight of all equipment, as per the warning instructions.

Can I attach more than two displays?

No, the KRA231 is designed as a center monitor mount for up to two displays. Total weight must be evenly distributed.

How do I adjust the rotational tension?

Use the provided 3/16 in hex key on the button head cap screw at the back of the faceplate to adjust tension as needed.

USER MANUAL KRA231 Chief

INSTALLATION INSTRUCTIONS

Kontour™ Extreme Tilt Column Mount Accessory

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.

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 product designed by Chief® to mount the projector or display.

ACCESSORY: An ACCESSORY is any product designed by Chief® to complement the primary mounting system either by mounting any supporting components or enhancing the mounting capabilities of the primary mounting system.

COMPONENT: A COMPONENT is any secondary product to be mounted to an accessory, i.e. speakers, CPU's, cameras, tablets, additional displays.

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 components are properly assembled and installed using the instructions provided.

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.

WARNING: Exceeding the weight capacity can result in 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 KRA231 accessory does not exceed 25 lbs (11.34 kg). In addition, when the KRA231 accessory is attached to a K1C or K2C Series mounting system, the listed weight capacity of that assembly becomes the weight capacity listed in Table 1.

Table 1: Weight Capacity

MODEL(Original K1 or K2 Series mounting system)	Max Weight for EACH Display	Max Weight Capacity of Mounting System WITH KRA231 Attached
K1C120	25 lbs(11.34 kg) for original mount	50 lbs*(22.68 kg)[total of ALL displays]
K2C120	40 lbs(18.14 kg) for original mount	50 lbs*(22.68 kg)[total of ALL displays]

* The total of 50 lbs (22.68 kg) should be evenly distributed between displays.
* 25 lbs (11.34 kg) maximum individual display weight.

WARNING: Use this accessory only for its intended use as described in these instructions. Do not use attachments not recommended by the manufacturer.

WARNING: Never operate this accessory if it is damaged. Return the accessory to a service center for examination and repair.

WARNING: Do not use this product outdoors.

IMPORTANT ! : The KRA231 accessory is designed to be a center monitor mount for K1C and K2C Series column mounts.

--SAVE THESE INSTRUCTIONS--

DIMENSIONS

DIMENSIONS: INCHES [MILLIMETERS]

LEGEND

	Tighten Fastener		Pencil Mark
	Apretar elemento de fijación		Marcar con lápiz
	Befestigungsteil festziehen		Stiftmarkierung
	Apertar fixador		Marcar com lápis
	Serrare il fissaggio		Segno a matita
	Bevestiging vastdraaien		Potloodmerkteken
	Serrez les fixations		Marquage au crayon
	Loosen Fastener		Drill Hole
	Aflojar elemento de fijación		Perforar
	Befestigungsteil lösen		Bohrloch
	Desapertar fixador		Fazer furo
	Allentare il fissaggio		Praticare un foro
	Bevestiging losdraaien		Gat boren
	Desserrez les fixations		Percez un trou
	Phillips Screwdriver		Adjust
	Destornillador Phillips		Ajustar
	Kreuzschlitzschraubendreher		Einstellen
	Chave de fendas Phillips		Ajustar
	Cacciavite a stella		Regolare
	Kruiskopschroevendraaier		Afstellen
	Tournevis à pointe cruciforme		Ajuster
	Open-Ended Wrench		Remove
	Llave de boca		Quitar
	Gabelschlüssel		Entfernen
	Chave de bocas		Remover
	Chiave a punte aperte		Rimuovere
	Steeksleutel		Verwijderen
	Clé à fourche		Retirez
	By Hand		Optional
	A mano		Opcional
	Von Hand		Optional
	Com a mão		Opcional
	A mano		Opzionale
	Met de hand		Optie
	À la main		En option
	Hex-Head Wrench		Security Wrench
	Llave de cabeza hexagonal		Llave de seguridad
	Sechskantschlüssel		Sicherheitsschlüssel
	Chave de cabeça sextavada		Chave de segurança
	Chiave esagonale		Chiave di sicurezza
	Zeskantsleutel		Veiligheidssleutel
	Clé à tête hexagonale		Clé de sécurité

TOOLS REQUIRED FOR INSTALLATION

PARTS

ASSEMBLY AND INSTALLATION

1. Remove cap from K1C or K2C column. (See Figure 2)
2. Slide KRA231 accessory (A) onto front of the column. (See Figure 1)

3. Tighten screws to secure accessory to column at desired mounting height. (See Figure 1)

4. Replace cap on top of column. (See Figure 1)

Figure 1

DISPLAY INSTALLATION

1. Remove quick release faceplate from KRA231 by pulling quick release lever and sliding faceplate off. (See Figure 2)

Figure 2

1. Carefully place display face down on protective surface.

2. Connect faceplate to display.

For flush mounting hole installation:

- Using Phillips screwdriver, carefully install four M4x14mm screws (B) through corresponding holes on faceplate and into the mounting holes on the display. (See Figure 3)

Figure 3

For recessed mounting hole installation:

• Place four spacers (D) on top of mounting holes on back of display. (See Figure 4)
• Using Phillips screwdriver, carefully install four M4x25mm screws (C) through corresponding holes on faceplate, spacers (D) and into the mounting holes on the display. (See Figure 4)

Figure 4

1. Position display with faceplate attached above KRA231. (See Figure 5)
2. Slide faceplate onto KRA231 head until quick release tab clicks into place. (See Figure 5)

Figure 5

Adjusting Rotation of Faceplate

The faceplate may be rotated 90^ in either direction for either landscape or portrait use.

1. (Optional) Rotational adjustment may be locked by fastening face plate in place using one 10-24 x 1/4" button head cap screw (H) into back of faceplate. (See Figure 6)
2. Use the 3/16" hex key (N) on the button head cap screw to adjust rotational tension, as necessary.

Figure 6

1. Refer to Adjustments and Cable Management information in the original mount installation instructions for further information.

Installation Instructions