How to remove a cross from an office chair, useful recommendations
The main load when using an office chair falls on the cross, or five-beam. The most durable are considered to be the elements of wood and metal, the most flimsy of plastic. Any of them, even the most expensive one, can break. Simple, clear and understandable instructions on how to remove the crosspiece from the office chair will help to repair expensive furniture yourself. With strict adherence to the sequence of actions, the master will take no more than 15-20 minutes to do this.
Necessary tools
Most often, the crosspiece breaks in the area of the articulation of the rays. Gluing, boiling or soldering the part does not make sense, because the foundation accounts for the bulk of the load, and such repairs will not save the situation. It is advisable to change the crosspiece to a new part. To do this, you need the simplest tools that any home master has available:
- flat screwdriver;
- hammer (mallet);
- circular drift (preferably);
- adjustable wrench (for gas lift repair);
- hex keys.
If the chair is operated for a long period of time, then the gas lift is seated quite firmly. To facilitate the repair process will help a special lubricant for hard-to-mount fasteners. If this is not available, it is recommended to use:
- vinegar essence;
- kerosene or VD40;
- soap solution.
Any of the indicated means needs to be lubricated, wait about 10 minutes. If the cross is plastic, and repairs are made in winter, the furniture can be taken outside to cool. As a result, the detail is compressed, this should help.
The gas lift for all office chairs is standard, so you should not worry about the compatibility of new parts.
Procedure
A computer office chair is a complex constructive product, where each node carries a heavy load. For those who do not know how to remove and how to replace a crosspiece on a chair, a master class is presented. It is necessary:
- Turn the product upside down. Install it so that the center of the cross is easily accessible and clearly visible from the side of the master. It is most convenient to put a chair with the back on the floor or sitting on a high stool.
- Remove movable casters. They are not fastened with special bolts, so they can be easily removed with a simple force by vertical pushing up.
- Lubricate the joints of the parts with the prepared liquid, wait 5-10 minutes until it penetrates into the complex nodes.
- Remove the spring protection latch and remove the parts under the valve. Remember the sequence of installation of the rings in order to subsequently assemble the structure as accurately as possible. Set the parts aside.
- Knock out the gas lift with a simple, precise blow. To do this, use a drift with a hammer.
- Take out the crosspiece with heavy movement.To do this, the five-beam is pulled up with a simultaneous rotation counterclockwise.
In the event of a gas lift failure, careful removal of the entire support may be necessary. A sign of malfunction of the pneumatic cartridge is the lack of air in the cavity.
It’s quite easy to get a gas lift from a plastic base. If the crosspiece is metal, the process will be more time consuming and more penetrating fluid will be required. This is due to the fact that parts of the chair are bonded to each other in the process of natural corrosion and shrinkage.
To complete the repair process of a computer chair, replace the broken elements with serviceable ones and assemble in the reverse order. It is necessary:
- Fix the new part in the nest of the piastra, fix the plastic protective cover.
- To put a beam support on the steel cylinder, with an aim blow of a rubber hammer to fix a design.
- Assemble the outer washer and latch in the strictly established order.
- Install the movable wheels to the mounting location.
Even if the repair experience is minimal, in the presence of all the necessary tools, the disassembly, replacement and assembly process will take no more than half an hour. Work must be done carefully, especially if the cross is made of plastic. If something is not clear, you should watch a video on how to remove a cross from an office chair.
In the end, you need to sit on a chair and check the build quality for serviceability of the new movable mechanism.
Precautionary measures
Repair of the product should be as accurate as possible, because some of the expensive parts are protected by a thick layer of grease. Replacing the cross on an office chair with safety precautions will help the craftsman significantly reduce repair time. Key recommendations:
- It is worth putting on rubber gloves with rubber coating on your hands and a face shield.
- The surface of the floor or table where the repair will be carried out must be covered with an old newspaper or oilcloth.
- It is important to securely fix broken furniture so that it does not stagger during repairs. A child or a fragile girl can even become an assistant.
- Carefully knock out the steel bearing as much as possible so as not to damage its complex structure.
- It is safer to remove the cross from the chair with a rubber or wooden hammer. Vapors of penetrating liquid are quite dangerous for human health. If it is used, the room must be ventilated for 20-30 minutes.
Sharp sloppy actions can damage not only the cartridge, but also the mechanism for raising and lowering the chair!
So that after changing parts, the chair lasts as long as possible, it is necessary to take care of it regularly. It is important to check the tightness of joints every six months, inspect bolts, nuts. It is absolutely necessary to take into account the maximum load of the furniture, do not sit on it sharply in order to avoid breakage of its elements.
When buying a chair, experts recommend initially taking options with a wooden or chrome cross.
To summarize, we can say that removing the crosspiece from a computer office chair is quite simple. To carry out work you need only a skilled man and simple improvised tools. Self-repair will not take much time, but will help to extend the life of the product and avoid large expenses for new furniture.
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