How To Replace Your Herman Miller Aeron Chair Seat

Are you tired of sitting in a worn-out Herman Miller Aeron chair? Perhaps the seat has become saggy and uncomfortable, or maybe it’s covered in unsightly stains. Whatever the reason, replacing the seat is a straightforward and cost-effective solution that can breathe new life into your beloved chair.

In this article, we’ll guide you through the process of replacing your Herman Miller Aeron chair seat, step by step. Before we begin, you’ll need to gather a few tools to complete the job. Don’t worry; you probably have most of these items already. All you’ll need is a Phillips head screwdriver, a flathead screwdriver, a pair of pliers, and a replacement seat.

Once you have these tools, you’re ready to get started. So, let’s roll up our sleeves and get to work!

Gather the Necessary Tools

Before you can get started, make sure you’ve got all the tools you need. Grab a screwdriver, pliers, and a replacement seat cushion. These tools will be essential in replacing your Herman Miller Aeron chair seat without any hassle.

The screwdriver is necessary to remove the bolts that secure the current seat cushion to the chair frame. The pliers are also needed to grip and turn the bolts securely. Lastly, the replacement seat cushion is what you will use to replace the old one.

When selecting a replacement seat cushion, it’s crucial to ensure it’s compatible with your Herman Miller Aeron chair model. The right cushion will match the shape and size of your chair to guarantee a perfect fit. You can purchase a replacement cushion from your local Herman Miller dealer or online. Be sure to check the warranty and return policy before making a purchase.

Once you have all the necessary tools and a compatible replacement cushion, you’re ready to start replacing your Herman Miller Aeron chair seat. The process may seem daunting, but with the right tools and a little patience, replacing the seat cushion can be done quickly and efficiently.

So, gather all the tools and equipment you need and get ready to transform your chair’s look and comfort level.

Remove the Old Seat

First, you’ll need to carefully examine the seat of your Aeron chair to identify any screws or bolts that may be holding it in place. Use a flashlight to ensure you don’t miss any hidden screws. Once you’ve located all the screws, grab a screwdriver and begin removing them. Be sure to keep the screws in a safe place so you don’t lose them.

Next, lift the seat off the chair frame. If the seat is still attached to the frame, double-check for any remaining screws or bolts that may be holding it in place. Once you’re certain that all screws have been removed, lift the seat straight up and away from the frame. Be careful not to damage any of the chair’s components while doing so.

With the old seat removed, you’re ready to move on to the next step of the process. Remember to keep the screws in a safe place and take your time to ensure you don’t damage any of the chair’s components. By following these steps, you’ll be well on your way to replacing the seat of your Herman Miller Aeron chair.

Prepare the New Seat

Now that you’ve removed the old seat, it’s time to prepare the new one.

The next steps are crucial to ensure that your Herman Miller Aeron chair is properly assembled.

First, you’ll need to install the seat pan.

Then, attach the tilt mechanism and reattach the arms.

Let’s get started!

Install the Seat Pan

To start installing the seat pan, simply flip the chair over onto its side. You’ll need to remove the four screws that are holding the old seat pan in place. Once those screws are removed, you can start installing the new seat pan.

Make sure that the new seat pan is aligned properly before you begin screwing it in place. Once it’s aligned, use the four screws that came with the new seat pan to secure it to the chair. Tighten the screws until the seat pan is firmly in place.

Once the seat pan is installed, you can move on to the next step of replacing your Herman Miller Aeron chair seat.

Attach the Tilt Mechanism

Attaching the tilt mechanism to your Herman Miller Aeron chair seat is a simple process that you can easily do on your own. To get started, align the tilt mechanism with the holes located on the underside of the seat pan.

Once you have the mechanism in place, grab the screws that came with your replacement seat and use them to secure the tilt mechanism in place. It’s important to make sure that the screws are tight, as this will ensure that the tilt mechanism stays securely attached to the seat pan.

Once you’ve finished attaching the tilt mechanism, take a moment to test it out and make sure that it’s functioning properly. With your new seat pan installed and the tilt mechanism attached, you’re one step closer to having a fully functional Herman Miller Aeron chair that’ll provide you with the comfort and support you need to get through your workday.

Reattach the Arms

You’ll feel a surge of accomplishment as you effortlessly reattach the arms back onto your chair, giving you the confidence to tackle any task that comes your way.

Here’s how you can do it:

  1. Align the armrest with the holes on the sides of the chair and insert the bolts. Make sure they’re screwed in tightly.

  2. Attach the plastic covers over the bolts to give it a polished look. Simply snap them in place and you’re done!

With the arms securely in place, you can now enjoy the full comfort and support of your Herman Miller Aeron chair.

Don’t forget to take a break and relax in your newly restored chair!

Install the New Seat

First, make sure the new seat is facing the correct direction before sliding it onto the chair frame, ensuring that the four screw holes line up with the holes on the frame. Once you have confirmed the correct orientation, slide the new seat onto the chair frame until it clicks into place.

Next, use the screws and washers provided with the replacement seat to secure it onto the frame. The table below outlines the steps and tools needed to properly install the new seat:

Step Tool
1. Place new seat onto chair frame, ensuring correct orientation.
2. Phillips head screwdriver
3. Insert screws into holes on frame and through washers on seat.
4. Tighten screws until seat is securely attached to frame.
5. Check seat for any wobbling or loose screws.

Test the new seat for stability and comfort. Adjust the tilt and height settings as needed to ensure a comfortable sitting position. Congratulations, you have successfully replaced your Herman Miller Aeron chair seat! Enjoy your newly restored chair.

Adjust the Chair Settings

Now that you’ve installed the new seat of your Herman Miller Aeron Chair, it’s time to adjust the chair settings to ensure maximum comfort and functionality.

Start by adjusting the tilt tension to your liking. Then, set the height and depth of the chair to fit your body.

Finally, test the chair’s functionality by adjusting the armrests and making sure the lumbar support is in the right position. With these adjustments, you’ll be able to enjoy your chair to the fullest.

Adjust the Tilt Tension

To adjust the tilt tension on your Herman Miller Aeron chair seat, simply reach down and turn the knob underneath the seat. You can increase or decrease the tension according to your preference. Here are some tips to help you adjust the tilt tension:

  • Start by sitting on the chair and getting a feel for the current tilt tension. Do you feel like the chair is too loose or too tight?

  • If the chair is too loose, turn the knob clockwise to increase the tension. If it’s too tight, turn the knob counterclockwise to decrease the tension.

  • Make small adjustments and test the chair each time to find the right level of tension for your comfort.

  • Remember that the tilt tension affects how easily the chair reclines, so adjusting it can help you find the perfect balance between support and movement.

With these simple steps, you can easily adjust the tilt tension on your Herman Miller Aeron chair seat and customize it to your liking. Take the time to experiment with different levels of tension until you find the perfect balance for your body and posture.

Set the Height and Depth

You’ll want to make sure you’re comfortable in your chair, so adjust the height and depth to fit your body.

The Aeron chair has a pneumatic cylinder that allows you to adjust the height. To do this, simply lift the lever located under the seat and adjust the height until your feet are firmly on the ground and your thighs are parallel to the ground. Once you’ve found the right height, release the lever to lock it in place.

Next, adjust the depth of the seat to ensure that your lower back is supported. To do this, locate the knob under the front of the seat and turn it clockwise or counterclockwise to adjust the depth. Keep adjusting until you feel the lumbar support of the chair in the small of your back. Once you’ve found the right depth, lock it in place by tightening the knob.

With these adjustments, your Aeron chair will be customized to fit your body and provide maximum comfort and support.

Test the Chair’s Functionality

Sit down and give the chair a spin, swiveling from side to side to test its maneuverability and smoothness. Make sure that the chair rolls easily and doesn’t wobble or tip over.

Adjust the height and depth of the chair to ensure that you have proper posture and support. Lean back and forth to test the chair’s reclining function, and make sure that it locks in place at different angles.

If the chair has adjustable armrests, raise and lower them to find the most comfortable position for your arms and shoulders.

Once you’ve tested the chair’s functionality, take note of any adjustments that need to be made. Use the instructions provided with the chair to make any necessary changes.

If you’re having trouble with any aspect of the chair’s functionality, contact the manufacturer for assistance. Remember that a good chair is an investment in your health and well-being, so take the time to ensure that it’s working properly.

With proper care and maintenance, your Herman Miller Aeron chair will provide you with years of comfort and support.

Maintain Your Chair

To maintain the longevity of your Herman Miller Aeron chair, it’s crucial to keep it clean and free of debris. Regular cleaning is a must to ensure that your chair is comfortable and in good condition.

Check for any signs of wear and tear and replace any damaged parts as needed to keep your chair functioning at its best.

Clean the Chair Regularly

Don’t neglect the importance of regularly cleaning your Herman Miller Aeron chair to keep it looking and feeling like new. Here are some tips to help you clean your chair effectively:

  • Use a soft cloth or sponge and mild soap to clean the chair’s surface. Avoid using abrasive cleaners or solvents that can damage the chair’s finish.
  • Clean the chair’s mesh material with a vacuum cleaner or a soft brush to remove dust and dirt.
  • Wipe down the chair’s frame and base with a damp cloth to remove any dirt or grime that has accumulated on the surface.

Don’t forget to clean the casters and wheels of your chair. These areas can collect dirt and debris, which can affect the chair’s mobility.

Regular cleaning is an essential part of maintaining your Herman Miller Aeron chair. By following these tips, you can help ensure that your chair stays in top condition for years to come. So, take the time to clean your chair regularly and enjoy the comfort and support it provides.

Check for Wear and Tear

Now that you’ve learned about the importance of cleaning your Herman Miller Aeron chair regularly, it’s time to move on to the next step in chair maintenance. Check for wear and tear. Over time, your chair’s seat can become worn out or damaged, leading to discomfort or even injury.

To ensure that your chair is in good condition, inspect the seat for any signs of wear and tear. This can include tears or holes in the mesh or fabric, loose or broken parts, or general wear from frequent use. If you notice any issues, it may be time to replace the seat of your chair. But don’t worry – replacing the seat is a simple process that can be done in just a few steps. Take a look at the table below for a quick overview of the replacement process.

Step Description
1 Remove the old seat from the chair
2 Assemble the new seat according to instructions
3 Attach the new seat to the chair
4 Adjust the seat to your desired height
5 Enjoy your comfortable, like-new chair!

By checking for wear and tear and replacing the seat when necessary, you can ensure that your Herman Miller Aeron chair stays in top condition for years to come. Don’t let a worn-out seat cause discomfort or pain – take action and replace it today.

Replace Parts as Needed

You can easily keep your chair in great condition by replacing any worn or damaged parts as soon as you notice them. This will not only make your chair look better, but it’ll also improve its functionality.

Here are some tips on how to replace parts as needed:

  • Identify the part that needs to be replaced. Take a close look at your chair and determine which part is causing the problem. Is it the seat, armrest, or backrest? Once you’ve identified the part, you can order a replacement from Herman Miller or an authorized dealer.

  • Follow the manufacturer’s instructions. Before you start replacing the part, make sure you read the manufacturer’s instructions carefully. This’ll ensure that you’re using the correct tools and following the correct steps. If you’re unsure about anything, contact Herman Miller’s customer service for assistance.

  • Take your time. Replacing the part may take some time, so don’t rush. Make sure you have a clear workspace and all the necessary tools before you start. Follow the instructions step-by-step, and be patient. Once you’ve replaced the part, test the chair to ensure everything is working correctly.


Congratulations! You’ve successfully replaced the seat of your Herman Miller Aeron chair. You can now enjoy the comfort and support it provides as you work or relax.

Remember to maintain your chair regularly to ensure it lasts for years to come. This includes wiping it down with a damp cloth, checking the screws and bolts for tightness, and lubricating the moving parts if necessary.

With proper care, your Herman Miller Aeron chair will continue to provide you with a comfortable and ergonomic seating experience.

Happy sitting!