AWMS-4640-C - Monitor Stand Atdec - Free user manual and instructions

Product Type	Dual Monitor Arm
Brand	Atdec
Model	AWMS-4640-C
Number of Monitors Supported	2
VESA Compatible	75x75mm and 100x100mm
Maximum Weight Capacity per Monitor	9 kg (20 lbs)
Mounting Options	Clamp and Grommet
Desk Thickness Range	10-75 mm
Material	Steel and Aluminum
Color	Black
Height Adjustment Range	0-450 mm
Tilt Range	-15° to +15°
Swivel Range	±90°
Rotation	360°
Cable Management	Integrated cable clips
Weight (approx.)	5.2 kg (11.5 lbs)
Dimensions (Arm Length)	464 mm each
Power Supply	None (mechanical)
Warranty	10 years
Certifications	Complies with ANSI/BIFMA standards

Frequently Asked Questions - AWMS-4640-C Atdec

What is the maximum monitor size supported by the AWMS-4640-C?

The arm supports monitors up to 32 inches depending on weight, as long as each monitor does not exceed 9 kg.

Does the monitor stand come with mounting hardware?

Yes, it includes both clamp and grommet mounting options, along with necessary screws and tools.

Can I install this on a glass desk?

It is not recommended for glass desks due to stress points. Use on solid wood or metal desks with thickness up to 75 mm.

Is the AWMS-4640-C VESA compatible?

Yes, it supports 75x75mm and 100x100mm VESA patterns, covering most monitors.

How do I adjust the height?

Height is adjusted via a gas spring mechanism. Loosen the adjustment screw slightly, move arm to desired height, then tighten.

Can I use this arm for a single monitor?

Yes, you can install just one monitor on one arm, leaving the other unused.

Does it have cable management?

Yes, built-in cable clips run along the arms to keep cables organized.

What is the warranty period?

Atdec offers a 10-year warranty against manufacturing defects.

Can the arm be rotated 180 degrees?

The arm swivels ±90° from center, and each monitor head rotates 360°.

How do I clean the monitor stand?

Use a soft dry cloth. Avoid water or cleaning agents that may damage the finish.

USER MANUAL AWMS-4640-C Atdec

1 x 460 Arms on 400 Post with C-Clamp

Technical line drawing of a mechanical clamp or bracket assembly (no text or symbols)

COMPONENT CHECKLIST RANGE

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A

AWM-A46

460 Arm

(x1)

B

AWM-P40

400 Post

(x1)

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C

AWM-FC

C-Clamp

(x1)

CONTENTS

C-Clamp	AWM-FC
Page 2	Component Checklist
Page 3	Clamp Installation
400 Post	AWM-P40
Page 6	Component Checklist
Page 7	Post Installation
460 Arm	AWM-460
Page 8	Component Checklist
Page 9	Arm Installation
Page 10	Monitor Installation
Page 11	Cable Management

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Technical line drawing of a mechanical component with a cylindrical shaft and base plate (no text or symbols)

COMPONENT CHECKLIST REQUIRED TOOLS

Technical line drawing of a 3-pin connector (no text or symbols)

A
C Clamp Bracket (x1)

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C
Cover for Post (x1)

E
4mm Allen key (x1)

Isometric line drawing of a mechanical part with four circular holes (no text or symbols)

B
C Clamp Plate (x1)

Simple line drawing of a mechanical part with a square flange and central hole (no text or symbols)

D
Cover for Base (x1)

F
5mm Allen key (x1)

- All tools supplied

IMPORTANT INFORMATION

! Please ensure this product is installed as per these installation instructions.
! This product is compatible with Atdec modular (AWM) products.
! The manufacturer accepts no responsibility for incorrect installation.

1. C Clamp overview

1.1 Default - This is the "out of the box" configuration

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MIN THICKNESS - 25mm (1") MAX THICKNESS - 33mm (1 ^5 / _16 )

1.2 Inverted - The C Clamp can be reconfigured for thicker surfaces

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MIN THICKNESS - 18mm (1/8") MAX THICKNESS - 25.8mm (1")

2. Re-configure Clamp

2.1 Slide pad off

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2.3 Invert pad

graph TD
    A["Process Step"] --> B["Output"]
    style A fill:#fff,stroke:#000
    style B fill:#fff,stroke:#000

2.3 Slide pad back on

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3. Post mount configuration

3.1 Attach plate to post

Fasteners supplied with post Tighten Firmly

3.2 Place in desired location

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3.3 Slide the C Clamp bracket over the plate and position screw tips in the indents on the base plate

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Note: You may need to un-screw the set screws out of the plate using the allen key

3.4 Check the set screws are mounted in position. Also check the desk clamp bracket is positioned tight up against the mounting surface edge

M8 x 16mm Set Screw Desk Clamp Bracket Mounting surface Pad

3.5 Tighten the set screws firmly and evenly on both sides of the desk clamp bracket.

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4. Installing the clamp cover to post

4.1 Remove the cable cover by pulling it straight up and out of the post. Remove top cap if already installed

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4.2 Locate the C Clamp cover over the post. Guide over the holes in the base plate and gently apply pressure on the cover until it clicks into place

Click!

4.3 Re-attach the cable cover by sliding it into the post channel. Fit the pole and cover caps back on.

Technical line drawing of a vertical mechanical device with a black arrow indicating downward motion (no text or symbols)

5. Base mount installation

5.1 Attach plate to base

Fasteners supplied with base Tighten Firmly

5.2 Place the base and plate in desired location

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5.3 Slide the bracket onto the base plate and position screw tips in the indents on the base plate

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Note: You may need to un-screw the set screws out of the plate using the allen key

5.4 Check the set screws are mounted in position. Also check the desk clamp bracket is positioned tight up against the mounting surface edge

M8 x 16mm Set Screw Desk Clamp Bracket Mounting surface Pad

5.5 Tighten the set screws firmly and evenly on both sides of the desk clamp bracket

Technical line drawing of a mechanical assembly with a cylindrical component and rotating parts (no text or symbols)

6. Installing the clamp cover to base

6.1 Locate the Cover for Base over the base. Guide over the holes in the base plate and gently apply pressure on the cover until it clicks into place.

Click!

6.2 Installation Complete

To continue with installation of your monitor arm, refer to your monitor arm's installation guide.

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COMPONENT CHECKLIST

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A
Post (x1)

B
Post Cap (x1)

C
Screw M8 (x2)

D

Cable Cover Cap (x1) (not supplied with all posts)

E
Cable Cover (x1) (not supplied with all posts)

F
Cable clips (not supplied with all posts)

REQUIRED TOOLS

- All tools provided

IMPORTANT INFORMATION

! Please ensure this product is installed as per these installation instructions.
! This product is compatible with Atdec AWM Series products.
! The manufacturer accepts no responsibility for incorrect installation.

1. Attach Post to fixing (fixing sold separately)

1.1 Follow the installation guide provided with your fixing to attach it to the post and fit it to the worksurface.

AWM Fixing options

Bolt Through Kit AWM-FB

F Clamp
AWM-FF

Heavy Duty F Clamp AWM-FH

C Clamp
AWM-FC

Grommet Clamp AC-GC

2. Check post placement & arm positions

2.1 Do not mount a monitor arm on the rear channel of a post when the post is fixed to the desk using an F Clamp, Heavy Duty F Clamp, or C Clamp.

F Clamp
AWM-FF

Heavy Duty F Clamp
AWM-FH

C Clamp
AWM-FC

Rear of Mounting Surface

3. Cable cover position and post cap

3.1 To reposition the cable cover, pull it straight up and out of the post and insert it into any of the available channels

Cable Cover

Note: The cable cover shown does not come with all posts

3.2 Optional cable cover positions

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3.3 Fit post cap onto the top of the post

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Allen Key
Post Cap
Note: An allen key may be stored in the Post Cap.
Post

4. Cable clips and cover

4.1 Push the cable down into the cable clip.

Close-up of hands connecting a cable to a connector (no text or symbols visible)

Note: Cable clips do not come with all posts. Additional clips sold separately.

4.2 Insert one side of the cable clip into the channel on the post assembly, then push in the other side.

Illustration of a hand inserting a cable into a plastic housing (no text or symbols visible)

4.3 Loop cable and insert into cable cover.

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4.4 Feed remaining cable into the cover.

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COMPONENT CHECKLIST

Technical line drawing of a mechanical bracket or clamp (no text or symbols)

A
Monitor Arm (x1)

B

VESA Head (x1)

C
Post Clamp (x1)

E
Screw M4x16mm (x4)
F
Screw M4x12mm (x4)

D
Screw M4x25mm (x4)

G
Spacer (x4)
H
Security screw (x1)
|
4mm allen key (x1)

REQUIRED TOOLS

• Phillips Head Screwdriver

WEIGHT RANGE

0 - 12kg (0 - 26.5lbs)

IMPORTANT INFORMATION

! Please ensure this product is installed as per these installation instructions.
! The manufacturer accepts no responsibility for incorrect installation.
! This product is compatible with Atdec AWM Series products.

1. Fix clamp to Post or Wall Channel

1.1 Ensure knob is undone. 1.2 Slide post clamp into channel. Push knob to aid insertion 1.3 Hold clamp in desired position on channel and turn knob to lock in place.

2. Set arm rotation to 180^ (optional)

Note rotation is set to 360^ by default.

2.1 Remove plastic sleeve from post clamp. 2.2 Remove rotation ring. 2.3 Place rotation ring in desired position. Default Position 360° OR 180° Flipped Position Note: rotation ring placement depends on the position of the clamp on the post. The tag on the ring should always face toward the user. 1. Press 2. Lift 1. Press

3. Fit arm onto post clamp

3.1 Push arm onto shaft. 3.2 Ensure arm is fully pushed onto shaft. 3.3 Tighten joint screw. Note: Check the arm rotation is smooth after tightening.

4. Attach VESA head to monitor

4.1 VESA mounting compatibility

100mm 75mm 100mm 75mm

Note: For other sizes, use a suitable adaptor plate (sold separately).

4.2 Screw the VESA head onto monitor

Pure mechanical diagram of a star-shaped component with mounting holes and internal components (no text or symbols)

Note spacers may be required for curved, recessed or uneven monitor surfaces.

4.3 Ensure the correct screw length is used to attach the monitor.

5mm 12mm Flush Spacer Too long Too short

5. Mount monitor

5.1 Insert VESA head into the monitor arm

Monitor arm

5.2 Ensure that the VESA head sits flush within the monitor arm. There should be no gap

Gap No gap

5.3 Push the lever down to secure it to the arm assembly

Diagram of a hand pressing down on a mechanical component with a downward arrow indicating force or direction (no text or symbols present)

6. Adjust tilt tension & Install security screw

6.1 Use the allen key to adjust the tilt tension until the monitor holds in a vertical position at the end of the arm.

Note: Support monitor while adjusting. Loosen Tighten

6.2 OPTIONAL security screw
To install the optional security screw tilt the head upwards

Diagram of a mechanical component with an arrow indicating rotation, no text or symbols present

6. Monitor arm cable management

6.1 Plug cables into the monitor and route the cables down the arm using the cable hooks and clips

the monitor and route e arm using the cable Note Ensure enough cable slack is given to allow for movement of the monitor

7. Post cable management

7.1 Push the cable down into the cable clip

Note: Cable clips do not come with all posts

7.2 Push cable clip into post channel

Illustration of a hand inserting a cable into a mechanical component (no text or symbols)

7.3 Recommended post cable cover position for double or triple arm set-ups

Cable Cover Desk Clamp

7.4 To reposition the cable cover, pull it straight up and out of the post and insert it into any of the available channels

Cable cover

Note: The cable cover shown does not come with all posts

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Alternative cable cover positions

7.5 Loop cable and insert into cable cover

Illustration of hands tying a knot between two vertical strips (no text or symbols)

7.6 Feed remaining cable into cover

Diagram of a mechanical joint or connector with a curved black cable inserted into a gray shaded area (no text or symbols)