Step-by-step instructions on how to quickly disassemble a computer chair with your own hands
Sometimes people who use an office chair have to take it apart. It is not easy to disassemble such a chair, and therefore it is recommended to familiarize yourself in advance with how to properly disassemble a computer chair and what to do about it.
Design features of an office chair
Before you start working, you need to understand the basic design features of high chairs for sitting in front of a personal computer. There are several parts that are often installed in such chairs.
Five beam cross
Many people do not pay attention to this component of the structure, since it is located at the bottom. The cross is considered one of the main parts of the chair, since it is it that is responsible for stability. If it is of poor quality, the furniture will quickly break down. When choosing the diameter of the cross, future loads must be taken into account. Experts advise choosing models with a diagonal of 60-65 centimeters, as they are the most reliable and durable.
Roller skates
On the five-beam cross, special wheels are installed, thanks to which you can move the chair on a flat floor surface. Rollers are also considered the most important piece of furniture, as they carry a considerable load. They are made from a variety of materials, but the most common products are polyurethane, polypropylene or nylon.
If the chair will be installed on parquet or laminate flooring, it is better to choose a chair with polyurethane wheels.
Pneumatic cartridge
A special gas cartridge is installed in every modern office chair. This part is made in the form of a small metal cylinder filled with an inert gaseous substance. The main purpose of the air chuck is to adjust the height of the seat. Also, this detail is necessary to facilitate the use of office furniture. The air canister is located between the seat and the five-beam crosshead with wheels.
Oscillation mechanism
Most chair models are equipped with an adjustment mechanism, with which a person can personally adjust the angle of inclination of the seat with the backrest. In addition, the swivel mechanism is used to adjust the rigidity of the furniture and fix it in various positions. In expensive furniture, special mechanisms of the synchronous type are installed, which automatically adjust the level of inclination when a person sits down at a computer.
Piastra
It's no secret that any office chair can be adjusted in height. The piastre is responsible for adjusting the height.It is a metal device mounted inside the seat. Piastra is equipped with a special lever with the help of which the action on the pneumatic cartridge valve is carried out.Such a mechanism is widespread and is installed in expensive and budget models of office chairs.
Permanent contact
Chairs equipped with permanent contact are suitable for people who have to spend a lot of time sitting in front of a personal computer. The properties of such a mechanism are as follows:
- backrest height adjustment;
- seat depth adjustment;
- stiffness adjustment;
- tilt the back forwards or backwards to avoid stiffening of the vertebral discs.
Some types of permanent contacts allow the backrest to be fixed in a certain position so that it does not constantly move.
Common breakdowns
There are several common failures due to which you have to disassemble an office chair.
Damage to the crossbeam
Often people face damage to the five-beam cross. To disassemble it, you need to perform several sequential steps.
Remove the rollers
The dismantling of the broken crossbeam begins with the removal of the rollers attached to it. In most models, these rollers are not too tight and will therefore be easy to remove.
To do this, simply unscrew the fixing screws and gently remove each of the rollers.
Dismantle the piastre
Having finished with the wheels on the cross, they begin to disassemble the piastre, which is screwed to the surface of the seat with screws. You can unscrew them with an ordinary Phillips screwdriver or a screwdriver. This must be done carefully so as not to damage the piastre.
Remove retaining clip
A special locking clip is installed in the upper part of the pneumatic chuck, which must be removed when disassembling the office chair. Various tools can be used to remove this part. Many people use wire cutters, hammers, screwdrivers, and even scissors. When using a hammer, be careful not to break anything.
Destroy the gas lift
After getting rid of the retaining clip, they are knocking down the installed gas lift. To do the job, use a hammer with a rubberized head. It is contraindicated to use metal hammers, as they can disrupt the design of the pneumatic cartridge. You need to knock with a hammer in the central part of the gas spring until it bursts.
Destruction of the swing mechanism
If the back begins to wobble strongly, there are problems with the rocker mechanism. To disassemble it, the following steps are performed:
- the bolts are unscrewed with which the part was attached to the seat;
- the gas spring installed inside the device is removed and the mechanism is removed.
Most often, the part cannot be repaired, and therefore it is better to immediately replace it with a new one.
Breakage of the pneumatic chuck
The air chuck is a complex structure consisting of two air chambers. When you press a special lever, each of the chambers is filled with air. If no filling occurs, the air chuck is badly damaged. Problems can arise due to the breakdown of seal and piston integrity.
How to remove a gas spring for repair
People who decide to repair the gas spring themselves will first have to unscrew it. There are several common ways to remove this part:
- put your feet on the crossbar and strongly rotate the seat, pulling it with your hands towards you until the mechanism begins to be pulled out of the rod;
- turn the chair over, then carefully knock the pneumatic cartridge with a hammer;
- unscrew the gas spring from the seat and drop it.
How to repair a gas canister with your own hands
First, a washer is removed from the bottom of the gas cartridge, after which the plastic casing is removed. Then the upper bearing with a rubber seal is unscrewed. After disassembling the product, they carefully examine the seal. If it is worn, it will need to be replaced. Sometimes, when sitting in a chair, a characteristic creak is heard, indicating a bearing failure. In this case, it will have to be changed at the same time as the rubber seal.
How to repair the wheels
Sometimes your chair wheels start to crumble and stop spinning. The only way to repair such a product is to replace it completely. Replacing the rollers is very easy. It is enough to unscrew their fasteners from the cross and install new wheels in their place.
Repair the armrests
If the armrests are cracked or a part of them has broken, you will need to replace them. To do this, unscrew the screws responsible for fixing the old parts. Then new products are installed in place of the broken armrests.
Rules of operation
People who have a computer and an office chair should know how to use such furniture. There are a few rules to know:
- the back should be installed at a right angle so that the back does not strain;
- too heavy objects should not be placed on the chair;
- the bearings installed in the gas spring should be lubricated regularly.
Conclusion
If an office chair breaks down, you'll have to take it apart. Before that, you need to familiarize yourself with how it can be disassembled and repaired.