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How To Fix Hydraulic Chair? How To Fix Office Chair Sinking? [All Questions Answered in 2023]

It’s almost 2023, and the influence of hydraulic chairs for your office is just the new direction to go forward to. With a tilt adjustment mechanism and soft padded cushions, having hydraulic chairs for your home and office could also be engaging and easy to stay.

Even the best ergonomic office chairs require maintenance. You may face some trouble with a hydraulic chair after using it daily. If you face any tilt issues or a gas cylinder problem with the hydraulic chair, this guide on how to fix hydraulic chair is all you need.

All About Office Chair Parts

Repair and replacement of parts can be a preferred alternative over purchasing a new unit, which can be quite exorbitant. Repairing them may not cost as much as replacing them altogether. That is why a few stores offer repair benefits and giving parts to help businesses save costs.

Knowing the basic parts is important when repairs and replacements are required. There is the office chair base that is usually the one that usually breaks down.

The base usually handles the main part of the entire office chair’s heaviness, and it can experience considerable strain after a while.

At the point when such a part breaks, there is no compelling reason to discard the unit. In any case, it can be replaced more often than not simply by getting the correct base for it.

Another important part that individuals to consider when attempting to repair broken office chairs is the mechanism. This is usually a bunch of gears housed in a small box that allows the unit to give a wide range of development and adjustments.

When one finds an office chair not having the option to tilt and move as it used to, the chances are that it is the chair mechanism that may have a few issues.

How Does A Hydraulic Chair Work?

If you understand the hydraulics mechanism in any furniture, it will not be difficult for you to understand all about any office chair hydraulics and how it works.

The hydraulics of any office chair works quite similar to that of any other wooden furniture. However, there is a slight difference in the working mechanism that everybody must understand.

In any office chair, hydraulics is implemented to provide you with proper lumbar support followed by proper back support and seat rest. Some of them also have hydraulics in place of tension springs for a proper weight balance.

There are different purposes of having hydraulics in any office chair. Some of them are discussed below, and you can have a look.

  • Hydraulics helps to provide a proper balance. While you are sitting on the office chair, the casters might not hook up to the weight. As a result, it becomes important for the hydraulics to balance this weight and keep the chair straight.
  • Another impressive feature of this hydraulics is to keep proper back support. Even if you have a mesh back or a leatherback, you won’t be able to get a proper balance unless it is close to your body. This is where this mechanism comes to be very handy for anyone’s use. It helps to keep the backrest in multiple positions.
  • The most important reason why most people opt for a hydraulic office chair is to develop a tilt control mechanism. Placing your knee out of a proper position will mean that you will not be able to work for a long time. This feature will allow you to adjust the tilt control according to your favorite position.
  • The most important reason why most people opt for a hydraulic office chair is to develop a tilt control mechanism. Placing your knee out of a proper position will mean that you will not be able to work for a long time. This feature will allow you to adjust the tilt control according to your favorite position.

Why Is The Hydraulic Chair Going Down?

If you are facing problems with your hydraulic chair and find that it is going down continuously, you wouldn’t have to worry much about it. The major reason behind this could be rusty or frequent use of the hydraulics involved in it.

The mechanism of hydraulics is because of the valve or a lever which is controlling it. This will allow you to move up or down depending on the desk height. As a result, you may face some problem in the lifting area of the chair.

The main problem is all around the weak cylinder which will help you to get the best results. The hydraulic chair’s lifting ability is now reduced because the ability of the gas cylinder is pumped out. Also, it will let the user sink.

When it comes to office chairs, sinking is a problem that most of the chairs have. It happens more if you use the chair higher for a regular basis.

How To Fix Hydraulic Chair?

Method 1

A properly adjusted office chair can increase profitability and potentially assist in avoiding wounds. To improve seating ergonomics, an office chair may be adjusted utilizing the beneath rules:

  1. Seat tallness may be set, so feet are flat with thighs parallel to the floor. Knees may be bowed at a 90-degree angle.
  2. Armrests may be adjusted, so wrists are straight when reached out to utilize a keyboard or mouse. Armrests may to also uphold the arms to decrease strain on the neck and shoulders.
  3. The seating surface may create tension on the back of the knees. Knees may stretch out two to four creeps past the edge of the chair. The seating surface may be relatively level or inclined somewhat forward when utilizing a keyboard.
  4. The backrest may be adjusted to help the back. Many chairs have backs with stature adjustment to properly uphold the lower back and set a strong angle somewhere in the range of 90 and 120 degrees.

Method 2: Start By Lubrication

One of the best ways to get relief from this problem is with the application of lubrications. It can be a great tool for the sinking office chairs which will help you to get the right results. Lubrications can be used for sinking office chairs which will be helpful in multiple ways.

Office chairs have multiple moving parts and this is why, they might face a number of problems with the parts or they might get damaged from frequent use. You should come to check whether the height of the chair is working properly or not.

If the chair does not sink, then the best option would be to apply oil on it. Another alternative option which you can opt to get is WD-40. This is another lubrication which you can get to combat this problem. One of the major reasons why you could save multiple problems from your chair is that you can get rid of rust.

If you want to loosen the tight joints, you can apply lubricating oils on separate components of the bolts, nuts as well as screws. You can regularly use lubrication which will help you to get the best results.

Method 3: Use a Hose Pipe for fastening

To start over with this option, you will require multiple options like:

  • Duct Tape
  • Screwdriver
  • Hose Clamp


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You can now follow the steps and get the right results:

Step 1:

The first thing that you need to do is to flip your chair to access the metallic cylinder. This barrel will have a protective covering all around this. You can now simply slide it off to the metallic cylindrical.

Step 2:

The next thing that you need to do is to attach the jubilee clamp to the cylinder. All that you need to do is to simply wrap it around. This will prevent your office chair from sinking.

Step 3:

Now you will have to secure the clamp screw. But before you do this, you will have to check the height of the hydraulic chair. You can slide the clamp towards the top of the cylinder.

Step 4:

The one thing that you need to do is to look for is the option to test your chair. Remember to test your chair properly which will verify that if the hydraulics is working or not.

Method 4 – Take a PVC Pipe


  • Bench vise
  • Tape measure
  • Saw

You can follow these steps mentioned below:

Step 1:

The first thing that you need to do is to measure the cylinder that you have. Take all exact measurements which include the circumference and also the proper length.

Step 2:

Once you are done with the measurements, it will now be the time to cover the cylinder. You can do this easily with the help of a PVC pipe. Simply wrap the pipe all around the cylinder.

Step 3:

The next thing that you have to do is to slit the pipe which will allow you to get the right measurements. You can simply cover the cylinder with the pipe and make sure that you can get complete results.

Step 4:

Once you are done with every aspects of placing the PVC pipes, the first thing that you need to do is to put some weight on the chair and look for the suspension. You need to be clear before sitting on it.

Method 5 – Pneumatic Cylinder Replacement

Another common cause for the problem is because of the pneumatic cylinder. Another way of fixing this is to simply replacing the pneumatic cylinder.

You can look for a new cylinder that matches with your model. Simply call up a professional or follow a DIY guide to get it done properly.

What Are Hydraulic Chair Parts?

There are many office seating items available in the marketplace with a variety of features and adjustments. The key is to adjust your chosen chair to an optimal situation inside that particular model’s parameters. Some key features are:

  1. Pneumatic cylinder/gas lift: This feature allows tallness adjustment actuated by a control on the chair.
  2. Arms: Typically, chief and gathering chairs have arms that are not adjustable. Task and PC chair arm adjustments can incorporate stature, width, and angle adjustments.
  3. Backs: Features incorporate ratchet systems that allow the whole back to be gone here and there. Adjustable lumbar backings, Moulded shapes, and vastly adjustable back angles can be adjusted freely of the seat.
  4. Tilt lock: Allows the seat angle adjustment and allows the seat to be secured in a particular position.
  5. Seat depth: Chairs equipped with a seat slider allow for custom profundity settings.

There are several common mechanisms available:

  1. SwivelTilt:This is a basic mechanism that allows the chair to turn 360 degrees, tilt, stature adjust, and lock seat angle.
  2. Synchro-Tilt: A Synchro-tilt mechanism has the same features as the turn tilt however has the added feature of variable adjusting back. For each inch the seat is inclined, the back moves two inches. This development also makes it easier to keep feet flat on the floor.
  3. Knee-Tilt: This mechanism turns nearer to the knee joint, making it a lot easier to keep feet flat on the ground.
  4. Multifunction: This is the most adjustable mechanism and offers various adjustments, including free back angle, limitless tilt, seat profundity, and angle.

Can You Disassemble An Office Chair?

 To be fair, this is not the most difficult part that you need to consider at all. Yes you can dissemble any office chair according to your requirements. However, you will have to take the help of a DIY or a manual guide or in the presence of a professional. Make sure that you carry all the screws and wrenches as per your needs.

Can Gas Cylinders In Chairs Explode?

This is one thing that neither you nor I would want. However, it is true that gas cylinders in chairs can explode at any time. This is mainly because of high hydraulic pressure and also the different spare parts. Yes, overweight may allow the cylinders to explode.

How To Change The Gas Cylinder Of Your Hydraulic Chair?

The gas cylinder mechanism of office chairs is built comparatively. Here is detailed guidance on how you can replace this part of your work chair:

Step 1: Before attempting to disassemble your chair, you have to wear eye goggles first. This will fill in as your security from the gas that may be exhausted by the cylinder. Additionally, it will also shield your eyes from any moment protests that may be heaved into the air because of the gas emanation’s pressing factor.

Step 2: Get some old newspapers and place the chair on top of them. This will make sure that your working area stays clean.

Eliminate the base of the chair. Slope the back and the seat of the edge on the newspapers while you are detaching the base.

Utilize a flat-end screwdriver under the upper clip found under the central base of the chair.

Utilize the screwdriver to pry it open. It should slip directly off if you apply pressure. Now you can eliminate the ring and the base of the chair.

Also, eliminate the bearings, the washers, and the elastic bumper. You may have to utilize the screwdriver again if they are resistant.

Make sure you know the comparing places where you have taken them out to place them back again.

Step 3: To make the cylinder easier to eliminate, spray lubricant all over it. Allow the lubricant to leak in the middle of the cylinder and the post so you can easily pry it off. Allow the lubricant to spread in the middle.

Utilize a pipe wrench and clamp it around the central part of the body of the cylinder. Wind it carefully to extricate it up. Apply exertion in pulling it up. While you are pulling, keep bending to allow the lubricant to leak inside better.

Step 4: Get the correct measurement of the tubular of the cylinder. Usually, the width of 1/8 inches will fit pleasantly in standard office chairs. Simply measure the correct length. Interface the new cylinder. Carefully push it to the post. Make sure the cylinder pole is standing up.

Step 5: Attach the elastic bumper, the bearing, and washers again. This is also a decent opportunity to grease the elastic bearing and the washers to make the stature adjustment system a great deal smoother.

How Can You Fix Office Chair Hydraulics?

Fixing the hydraulics is not the most difficult thing if you follow these steps properly. Here are some of the options which you need to look out for.

Step 1:

The first thing that you need to do is to look for a pipe wrench. You will have to simply remove the cylinder. You may require some helping hands to assist you.

Step 2:

Now you will have to measure the length of the gas tube. You can do it from the top to the bottom once it is removed. One thing that you can do is to purchase a replacement for it.

Step 3:

The next thing that you need to do is to push in the tapered end of the cylinder to the seat. You can start by lubricating the bearing which is attached to it. You can take the help of washers which are previously used. For a clean finish, you can secure the rod with the spring clip.


A few parts like the mechanism can also be repaired and may take a repair specialist. Dissimilar to the base, which may be easy to replace, the mechanism may take a touch of expertise in attempting to replace.

In any case, nevertheless, such issues can be fixed, and the wrecked unit can, in any case, be salvaged and be utilized again if the necessary repairs are made. But if you want to do this by yourself, you can also take the help of this guide on how to fix hydraulic chair to know more.

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