Office chair falls down: how to fix it

If your office chair drops down, or the position adjustment mechanism does not work, and the chair is stuck, the gas lift may be the cause of the problem. You can take the chair to a special workshop for repair. You can also save money by repairing the chair or replacing broken parts yourself.

Common Causes of Stool Breakage

Almost all chair failures are associated with gas lift. It is located in the main part of the chair, to which the seat and crosspiece are mounted.

There are 3 most common breakdowns associated with lowering the chair down. Below we will describe what to do in each case. The breakdowns are as follows:

1. The crosspiece is damaged. The problem is damage where the beams meet. The base consists of a hollow structure and a polypropylene pipe located inside. The latter needs to be secured to the damaged beams and the main part of the chair.
2. The swing mechanism is broken. If the chair does not stay straight, the mechanism responsible for rocking is most likely damaged.
3. The pneumatic cartridge is broken. The pneumatic cartridge is a two-chamber structure with air inside. The design also includes an adjustment lever. When it is pressed, the valve blocks the passage of air into the chambers.If the gas lift rod does not extend while being placed on the valve, it means that the damage is associated with the piston or seal.

Note! Do not repair plastic parts using glue or a soldering iron. Due to heavy loads on the legs, the structure may break. Therefore, there is no point in trying to restore the damaged part. It is best to completely replace the part with a new one made from the same material.

What you need to repair a chair

First, you need to understand what parts a computer chair consists of. It consists of:

1. Cross of five rays. It is made of plastic or iron. The latter material is stronger, but more expensive.
2. Wheels. Like the previous part, they can be made of plastic and metal. All fastenings and internal hinges are made of iron only. But preference is given to metal wheels, since plastic ones wear out faster.
3. Gas lift. This is the leg of the chair. It is responsible for the elasticity of the stool.
4. Rocking mechanisms. With their help, you can tilt the chair along its axis and return it to its original position. Modern structures are equipped with mechanisms with axes that move. This ensures smooth swinging.
5. Piastra. The part looks like a lever with a metal platform. He changes the height of the chair.
6. Permanent contact. This is the name of the connection between the back and seat of the chair. It allows you to change the position of the backrest.

The set of parts listed above is found in almost all office chairs. And each of these parts can be broken.

It all depends on the type of damage. For example, if the crosspiece is damaged, you need the same material from which the crosspiece is made.

For repair you need the following tools:

1. Screwdriver.
2. New fasteners (if the old ones are broken).
3. Drill and drill bits (if you need to make new fastenings).
4. Welding machine.
5. The part that needs to be replaced.

How to fix a falling office chair

You can repair the chair yourself, but you must strictly follow the instructions. If you are not confident in your abilities, then it is better to immediately contact specialists, otherwise you can completely break the mechanism.

Damage to the cross

A damaged crosspiece can be repaired as follows:

1. First you need to unscrew the cross from the chair. For this purpose, videos are made. It is worth noting that they are not fixed too tightly, so it will be enough to remove the fasteners.
2. Now we dismantle the piastrum. Fastening to the seat is made using a cone. You can disconnect the gas lift by knocking on the place where the fastening is located.
3. Now the release clip is removed. It is located in the recess where the hydraulic elevator is located.
4. We knock out the gas lift.
5. We repair or replace damaged parts of the five-beam.
6. If the damage is severe or some parts are broken, it may not be possible to remove the gas lift. In such cases, it is necessary to remove the cylinder, bearings and seals.

Breakage of the swing mechanism

To secure the mechanism to the seat, use 4 screws. They are screwed in with a shaped screwdriver. To repair you need to do the following:

1. We dismantle the element. To do this, unscrew the fasteners from the seat that hold the mechanisms responsible for the swing.
2. Now you need to knock out the gas lift.

Attention! The fastening mechanisms are made of metal. If the damage is minor and does not require complete replacement, a welding machine is required for repairs. In the event of a complete breakdown, you need to buy a ready-made part.

You need to choose the right part. At the moment there are 2 options for the swing mechanism:

1. Domestic.
2. Chinese.

The problem is the size mismatch. If the Chinese ones are 20x20 centimeters, then the domestic ones are 20x15.

If you don't want to drill new holes when replacing elements, you can use adapter plates.

The pneumatic cartridge is broken

If the pneumatic cartridge breaks, we will have to replace it. Repairs will not be possible. We start by dismantling the crosspiece from the chair. Disconnect the gas lift. We replace parts.

If the chair falls down, it means that the breakdown is in the gas lift and cross parts. To carry out repairs, you need to dismantle these parts, carry out repairs or completely replace damaged parts.