With the development of technology, human life has become much easier. With such a simple device as a door closer, you will forget about the need to double-check whether the doors are closed. Today, devices are produced in several types and are represented by products from different manufacturers, differing in their belonging to different price categories. Let's figure out how to install a door closer and adjust the door closer, how long this process will take and how difficult it is.
To choose a door closer option, you should first understand the types of mechanisms and their intended purpose. The choice should be based on the parameters of the door, namely? width and weight of the structure. In addition, take into account the temperature conditions of the room where the installation and operation of the element is planned.
The main options for automatic closers include:
A special feature of a street door closer is that it is equipped with a special mechanism lubricated with a liquid that increases resistance to high temperatures. That is, if you install such a lock designed for interior doors or used for installation on entrance doors with inside, outside, its performance will deteriorate significantly and its service life will be reduced.
This device is similar in its operation to the spring mechanism that was previously installed on gates and doors. The disadvantage of such a device was far from smooth closing, and sometimes there was a popping sound from the closing structure. As soon as modern automated systems appeared that ensure smooth door movement, the noise problem resolved itself.
The main working part of the closer is a spring and an oil shock absorber, which is responsible for a smooth ride. Oily liquid circulating inside special valves flows from one chamber to another.
The distinctive characteristics of closers include:
It is easy to adjust the parameters of the closer using special adjusting screws. The tighter they are clamped, the slower the liquid flows inside the cylinder. Having carefully familiarized yourself with the principle of operation of the mechanism, it becomes clear that removing and adjusting the door closer is not so difficult.
The main purpose of door closers is smooth closing front door. When installing, make sure that the product body is on the inside of the room, which makes dismantling the product from the outside impossible. This contributes additional protection mechanism from the penetration of moisture, dust, dirt.
During installation you will need:
There is no need to buy mounting materials separately; they are included with the closer.
Some manufacturers add installation templates with images to the product kit. life size all parts of the mechanism and the proposed locations of holes and fastenings.
Having studied the template and installation details of the mechanism, we proceed directly to the process of installing the device. First, the body is attached, which in the second stage is connected to the traction lever of the structure. By following the instructions, you will see that the installation technology is not complicated and takes very little time.
Please note that the closers differ in design, and the location of the adjusting screws also differs.
The adjustment is carried out according to the same scheme, regardless of the design of the closer. When the screws are rotated clockwise, the speed of the mechanism and its force increases or, when the screw rotates in reverse side, means the door closes more slowly.
When working with such a design, try to turn the screws slowly and carefully - this is one of the recommendations of experts.
To tighten the screw, just make a quarter turn. By throwing off the balance and tightening or unscrewing the screw too much, you risk completely disrupting the operation of the mechanism, which will be difficult to restore as a result.
Incorrect adjustment of the door closer will result in its damage. This is worth paying attention to.
This procedure is carried out in order to obtain the optimal rate of closing the entrance or street door. Adjustment of the opening speed, as described above, is carried out using screws located on the front side of the body and hidden under a special protective cover, which is especially good when installing the mechanism on an interior door. This way the design looks more aesthetically pleasing.
By setting the system to close slowly, the owner will be able to avoid damage to the walls, and the presence of additional functions for adjusting the closer plastic door opening will allow you to configure optimal mode device operation.
Where are these types of clamps installed:
Thanks to this mechanism, the door closes completely and opens only when using a special key. A closer with a delay function is an indispensable device for door designs V public places, facilitating access to the premises for people with disabilities. This function allows you to set a delay of 30-40 seconds.
Adjustment of the door closer for entrance doors is carried out at the last stage, when closing the doors. Thanks to this function, latching the lock is easier and contributes to less heat loss when entering and leaving the room.
Sometimes it is necessary to make adjustments during the operation of the door, but it is worth paying attention to a number of rules and recommendations that significantly facilitate the task. Please note that each device comes with detailed instructions, helping to simplify the process and control its correctness. After all, the master can always double-check the correctness of his actions by re-reading the clauses of the insert again.
The condensed instructions for adjusting the closer are as follows:
Remember simple instructions How to adjust the door closer with your own hands. To loosen or strengthen the tempo, it is not recommended to unscrew the screws more than two turns. This may result in oil leakage from the system, and repairing the structure at home is unrealistic. For this reason, the procedure is performed with extreme care, strictly following the instructions attached to the product by the manufacturer.
The need to adjust the door closer of iron and other types arises quite often. If the system works poorly, and when opening the door you have to make specific efforts to get in or out of the room, then the screws need to be loosened to ensure smooth movement of the door.
Sometimes it becomes necessary to leave the door in the “open” position for a long time. To achieve this, the screw must be loosened completely. This will keep the structure open until you close the doors.
Today the greatest popularity in the market of mechanical and automatic devices for doors have been achieved by manufacturers who position their products as high-quality and reliable and at the same time easy to adjust and operate. Among them:
The listed models have a lot of advantages described by customers in their reviews, which makes them even more popular every day.
By familiarizing yourself with some of the features of door closers and instructions for their installation, as well as adjusting the door closer with your own hands, you will save yourself from possible problems with the installation and operation of such systems.
To prevent doors from remaining open, they used to use a banal spring, but today they install a door closer. Its design is also based on a spring, but it is more powerful, hidden in metal case and filled with oil - for “braking” when closing. Installing a door closer is not a difficult task. Self-installation will take 20-30 minutes. Hardly any more. So we take a drill and install it ourselves.
According to global standards EN 1154, door closers are classified according to the closing force they can generate. They are divided into 7 classes, which are designated EN1-EN7. When choosing a class, pay attention to the inertia of the door, that is, the width of its leaf and weight at the same time. If different door parameters correspond to different classes, install a device of a higher class.
| Door closer class | Door leaf width, mm | Door leaf weight, kg |
|---|---|---|
| EN1 | up to 750 mm | up to 20 kg |
| EN2 | up to 850 mm | up to 40 kg |
| EN3 | up to 950 mm | up to 60 kg |
| EN4 | up to 1100 mm | up to 80 kg |
| EN5 | up to 1250 mm | up to 100 kg |
| EN6 | up to 1400 mm | up to 120 kg |
| EN7 | up to 1600 mm | up to 160 kg |
For example, the width of the door corresponds to class EN2, and the weight is EN4. They put it in 4th class, since a weaker force will not cope with the load.
There are door closers that belong to the same class. The characteristics then indicate a class with one digit - EN5. They have a small range of force adjustment - within one class. There are devices whose closing force is regulated within several groups. In this case, the range is marked with a hyphen - EN2-3, for example. The latter are more convenient to use - you can adjust the closing speed depending on the weather. But the cost of such models is higher.
The main design element of a door closer is a spring that pushes the lever. There are two types of devices based on the method of transmitting force from a spring to a lever:
Both of these types consist of two parts: a housing in which the spring is hidden and a force-transmitting mechanism and lever. They are mounted at the top of the door: one part on the leaf, the second on the frame. Which one goes where depends on the direction of opening. If the doors open “pull”, a housing with a mechanism is installed on the door leaf; when opening “pull,” a lever is attached. The photo shows a lever type closer, but similar installation rules apply to models with a sliding channel.
As you understand, they are not suitable for all types of doors - it is problematic to install them on glass ones. There is another design for them - floor-mounted. The housing with the mechanism is mounted on the floor, only the holder plate protrudes from above. A similar holder is installed at the top, but the mechanism is not always there, only for heavy door leaves.
There is, by the way, floor models for both wooden and metal doors. They also have a linkage or sliding channel transmission. They are less conspicuous, but with this arrangement they are more often damaged.
Basically, closers are installed on external or entrance doors; they can be installed on gates or gates. In the case of doors, they are positioned so that the body is in the room. Although there are frost-resistant models designed for cold use, it is better that the body is protected from exposure weather conditions. This arrangement also guarantees greater safety.
To install the closer on the door, you only need a drill, a ruler, a pencil and a screwdriver. A drill is usually required “3” (three), but you need to look at the diameter of the fastener, which usually comes with the kit.
Most manufacturers, to facilitate self-installation door closer, completes the product with installation templates. These templates schematically depict the parts of the closer in full size. They also have mounting holes for each element. In models that can create opening force different classes, holes are drawn different colors, in addition they are signed - the door closer class is placed next to it.
The template is printed on both sides of the sheet. On one side - for opening the doors "towards you" - from the side of the hinges (pictured above), on the other - "from you".
The template has two perpendicular red stripes. We align the horizontal one with the top edge of the door leaf, the vertical one with the axis line of the hinges.
Everything is clear with the upper edge of the door leaf, but to avoid mistakes during installation, you need to draw the axis line of the hinges. If the door closer is installed from the hinge side, there are no problems - use a long ruler and pencil to move the line of the middle of the hinges upward. If installation will be carried out on the other side, measure the distance from the edge of the canvas to the middle of the loop. Mark this distance on the other side and draw a line.
On the template we find marks for holes according to the selected class. Using a drill or awl, we transfer them to the door leaf and frame.
Typically, the kit includes two types of fasteners: for metal (metal-plastic) and wood. Choosing a drill suitable size and use a drill to drill holes in the marked places.
Door closers are equipped with two types of fasteners - for metal and wooden doors
Next, the actual installation of the door closer begins. Please note that for installation it is necessary that the housing and arms are disconnected. If they are assembled, they are separated (the washer is unscrewed, the screw connecting the levers and the body is removed).
We attach the parts to the holes made and install the fasteners. In the diagram we find the class of opening force that we need (in in this case EN2) and install the parts as shown in the figure.
To open “towards you,” we place the body on the door leaf and install a rod on the frame.
Now you need to connect the traction lever to the body. There is a special protrusion at the bottom of the case. We put a lever on it and tighten it with a screw.
Now all that remains is to connect the lever to the rod. There are two options.
The connection of the lever with the rod itself is very simple: the two parts are combined and slightly pressed with your fingers. They lock into place with a slight click. The trick is how to position them relative to the door. The rate of movement of the door leaf at the final stage of closing depends on this. The position can change due to the fact that the rod consists of two parts and can be adjusted in length - one of the parts of the rod is a long threaded pin. Rotate the pin to shorten or lengthen it.
If you just need a smooth finishing, the rod is placed so that it is perpendicular to the door leaf. To do this, reduce its size slightly (pictured on the left).
If the door has a latch, a significant force is required to overcome its resistance. For this option, a shoulder is placed perpendicular to the door (the rod is untwisted, making it longer).
Having arranged the parts accordingly, they are combined and connected. That's all, the installation of the door closer is complete. And you can handle it with your own hands, and without much difficulty. The final stage remains - setting the closing speed. To do this, you need to understand the adjustments of door closers.
Frost-resistant models that can be used outside are suitable for installation on a gate. But not all wickets have top bar. But everyone has side racks. In this case, the rod is attached to the side post by unfolding the mounting plate along the post.
But hydraulic devices (discussed in this article) do not do well in the cold. The oil that is poured into the body and serves to “brake” the door leaf becomes more viscous, and the gate closes more slowly. From this point of view, it is better to choose a pneumatic model for the gate (about selection and installation).
Installation of a closer on metal doors differs only in the type of fasteners used and the size of the drill. Since the canvas is usually heavier, powerful models of at least class 5 are selected (check the table). Accordingly, on the installation template you will need markings for another class.
You may also need a more powerful drill, but these are all details. Otherwise, you need to install a closer on metal doors in the same way as wooden or metal-plastic ones.
Closers that are installed on doors have different designs and the adjusting screws are located in different places. Everything is exactly indicated in the passport or installation instructions. But, in general, the technique is the same:
When adjusting the closer, do not turn the screws several turns at once. Often just a quarter turn is enough, maybe a little more. Having upset the balance by tightening or unscrewing the screws too much, it is very difficult to adjust everything again. You can even break the device or cause oil to leak from inside.
Adjustments for the speed of door opening and slamming are located on the body. Most often they are either on the front part under the protective cover or on its side surface.
In round or multi-faceted housings, adjustments are located on the side of the housing
Quite often doors various types equipped with a closer. This small device adds comfort when closing. The door doesn't slam or stay ajar. However, over time the closer may need to be adjusted. The more often the door opens, the sooner this action will need to be performed. It's a simple process.
Adjusting the door closer, the instructions for which are discussed below, is quite doable on your own. The device will operate for a long time and efficiently.
Installing a door closer allows you to reduce the load on hinges and fittings when opening and closing. The mechanism of operation of this device is simple. Its versatility allows the door closer to be used on almost any type of door.
When opening, the force is transmitted through the piston to the spring. It is located in a chamber filled with oil or gas. At the moment of opening, the spring is compressed. In this case, the contents of the chamber flow into the freed space. After the pressure on the system is released (at the moment of closing), the substance returns through the channels of the hydraulic or pneumatic system to the primary chamber.
This process is quite easy to adjust. The patency of the channels is controlled by screws. Thanks to them, the door closer is adjusted. The manufacturer's instructions indicate where these screws are located. They are easy to find for almost all types of devices.
There are several types of door closers. They differ in their design and installation method. The simplest are overhead mechanisms, as well as devices that are installed in (instead of the contents).
More complex closers are installed during installation flooring. Their installation can be planned before the renovation begins. Another type of mechanism is closers hidden in the frame or door leaf. The instructions for their installation and operation require a fairly large thickness of the entire system. Therefore, such a door closer is rarely used for interior doors. More often, this mechanism regulates the closure of input species.
If you want to install a door closer with your own hands, you should give preference to simple overhead models with a sliding rod. They are made according to the same template.
When choosing a door closer for a metal door, interior or other types, you should take into account a number of operating conditions. First of all, you need to evaluate the dimensions and weight. It is further determined during opening and closing. With the same weight of the leaf, a more powerful door closer will require a wider door.
To make it easier for the buyer to navigate the process of choosing the desired type of mechanism, the EN1154 classification was developed. It includes 7 device groups. EN1 are designed for the lightest doors.
Also taken into account when choosing climatic conditions. Standard devices are operated in the temperature range from -35 to +70 ºС. If winters are colder, you should take this into account and give preference to special mechanisms. the characteristics of which must be specified by the manufacturer, can function even in severe frosts.
There are 3 main types of overhead door closer designs. They can have a sliding, lever rod, as well as a lock for stopping the blade in one position. When choosing a particular type, the dimensions, weight of the door, building design, and operating conditions are taken into account. The user's taste preferences play an important role.
Sliding traction is characterized by hidden structural elements. Not every owner is satisfied with protruding lever mechanisms. Especially if they are choosing a door closer for interior doors.
To ensure that the installation of a door closer meets your expectations, you should pay attention special attention adjustment. Such devices most often have two or three settings parameters. This allows the operation of the mechanism to be as close as possible to the operating conditions of the door.
The first adjustment is carried out immediately after installing the closer. During the process of opening and closing the door, the system elements will require additional configuration. Initially, you need to adjust the door closing speed. During the cold season this should happen quickly. Interior doors require slow, smooth closing.
Then the force of the clap is adjusted. It should be sufficient so that the door does not remain open. But a strong slam can quickly damage the fittings and hinges.
If you need to keep the door open for some time or increase the intermediate closing time, you can use and configure additional latches. This allows you to increase comfort when using the door.
Do-it-yourself adjustment of the door closer is carried out strictly in accordance with the manufacturer's instructions. Usually the setup principle is identical for everyone. There are two screws on the closer body. They can be untwisted, but not very much. After making two full turns, you can expect the chamber to depressurize and the device to break. It is impossible to repair it at home. Even half a turn of the screw significantly changes the speed of the door leaf. If you turn it counterclockwise, the sash will close slowly.
First, the door closing speed is checked. If it is large, turn the screw half a turn. Next, you may need to add a little speed. To do this, turn the screw in the opposite direction a quarter turn.
To adjust the aftershock on the last 15 cm before closing, the speed is adjusted in the same way. To do this, unscrew the second screw. The procedure is similar to the previous step. Depending on the door closer model, you can pay attention to the opening angle of the blade, as well as average speed progress.
A standard overhead door closer requires adjustment during its operation. This is felt when the seasons change in oil models. The contents of the chamber become thicker after harsh winter frosts. Therefore, the front door mechanism has to be adjusted more often.
To avoid frequent system adjustments and purchase a durable device, it is worth purchasing a special type of mechanism for external doors. They contain gas inside, not oil. This is a pneumatic closer for entrance doors. Device adjustments are required less frequently. Gas does not change its properties during operation.
Additional functions of the closer are indicated by specific markings. If there is no need for them, it is better to buy a simple overhead door closer. The price of such a device will be lower. Additional features increase the cost.
Today, the market for devices for soft closing of doors is represented by domestic and foreign door closers. The most popular today are German (Dorma, Boda), Italian (Cobra, Cisa), Finnish (Abloy) devices. Domestic closers are represented by the Expostroymash Plus company.
Today you can purchase a high-quality door closer, the price of which is 1000-1200 rubles. However, the cost of devices from foreign companies that are endowed with additional functions, can reach 3500-4000 rubles.
Models from the Finnish company Abloy and the German GEZE and Dorma performed especially well in harsh winter conditions. Domestic door closers are not inferior in quality to European models, and their cost is significantly lower. You should not purchase cheap devices from unknown manufacturers that do not have the appropriate quality certificates. Such mechanisms quickly fail and reduce the service life of the door.
Famous devices brands withstand from 0.5 to 1 million operating cycles. This will require adjustment of the door closer. The manufacturer's instructions accurately describe this process.
Today, market leaders are ready to offer consumers various models increased strength. They are most often filled with gas rather than oil. Such mechanisms can withstand not only adverse conditions environment, but also improper operation.
If the closer is freely accessible, it must be equipped with a special valve. It will prevent the device from intentional hacking attempts.
But cheap overhead oil closers are in dire need of following operating rules. This mechanism does not allow you to hold or pull the door while closing it. It is also prohibited to fix it (except for pneumatic models). Place under the canvas foreign objects it is forbidden. It is also strictly forbidden to hang or ride on the doors. Therefore, if there are small children in the house, this needs to be explained to them immediately.
To avoid having to change the device in the near future, you should choose the right door closer and use it responsibly. In this case, it will last a long time. From time to time, simple adjustments to the door closer will be required. The manufacturer's instructions will allow almost every owner to follow it. This will provide comfort when closing the door, and will also significantly increase its service life.
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Doors greet us in any institution, be it the entrance to the entrance, apartment, room, administrative buildings or technical rooms. Sometimes they give in to us easily and silently, quickly open and close, then we don’t seem to notice them, without being distracted by the need for additional effort. But in the event of any malfunction, the discomfort of opening the door becomes very noticeable and only adjusting the door closer can help. With your own hands you can not only adjust, but also install the fastening mechanism, so feel free to undertake this procedure.
The door closer is adjusted manually, without using additional equipment. All you may need is a screwdriver. Most often, the screws that secure the device to the plane and frame require a slotted screwdriver.
Adjusting the door closer is impossible without a clear understanding of the principle of operation of the mechanism. The closer is a spring combined with rollers and pistons or with a gear mounted on a rack. When the door opens or closes, the mechanism comes into action, collecting or, conversely, opening the spring. At the same time, the vacated cavity is filled with oil. The combination of hydraulics and mechanics results in a reliable and simple device that does not require additional maintenance other than careful handling.
If your door slams with a deafening thud from a draft, pinches children’s fingers, and as soon as they weaken their strength while holding the door, it is difficult to open, as if stuck at one of the stages, it’s time to adjust the door closer. 
Like any work, adjusting the door closer begins with preparation necessary materials. You will need: a screwdriver, original instructions, photo examples of repairing and adjusting the device, a chair that you can stand on if your height does not allow you to comfortably reach the upper fastening.
First you need to open the box. This is a box rectangular shape. Removing the top cover is usually not difficult; it is secured using a snap-on principle. The principle of the housing is the same in any type of door closer, so even if your system looks like an impregnable metal plate, most likely there are invisible seams somewhere, and it’s all a matter of skillful design.
The principle of its operation will tell you how to adjust the door closer.
Your device may only have two valves. In this case, their adjustments will be sufficient. It's up to you to tighten it tighter or looser. If the door is difficult to give in, you need to loosen the fixation, because this is inconvenient, the door can be difficult for children to squeeze, or to pin down a pet, and create additional stress when bringing in and taking out loads. If the door is loose and opens and closes easily and quickly, there is a risk of being hit by the door.
Door closer device.
Adjusting the door closers should alternate with testing the result. To do this, the door will need to be opened wide and closed, at first with some force, and then by releasing it. The ideal speed would be a slow, uniform closing, at the last stage of which the latch quickly slams shut. If we're talking about about the entrance door, for security purposes, you can increase the closing speed so that no one can enter the house by following the tenant.
Having a rough idea of what result you want to achieve, you are ready to learn how to adjust the door closer. The instructions supplied by the manufacturer usually indicate two screws, which are responsible for the speed at which the door closes. 
They are numbered 1 and 2, so you can easily identify them on the closer. They can be rotated clockwise or counterclockwise. It is important to remember that turning any of the screws more than two turns may result in breakage. The first such screw (or valve) is responsible for swinging the door open from 15 to 180 degrees, the second acts as a closer, that is, it regulates the speed of door movement in the range from 0 to 15 degrees and ensures reliable closure with a latch or combination lock. The rotation of each of these screw nuts affects the properties of the door.
In some models, the door closer adjustments may be even more filigree. This occurs if the door closer adjustment allows the door to delimit the opening angles more carefully.
The wind brake, designated BC (Back check), prevents the door from striking when turned 180 degrees. It is responsible for adjusting the door closer at a stage from 70 to 180 degrees, slowing down the closing speed.
The slow closing function DA (Delay action) allows you to prevent strong door pressure in the area from 180 to 70 degrees, allowing a person to calmly walk through the door after opening it without making any additional effort.
Additional features. The Hold Open function allows you to lock the door in open position. To do this, you just need to open it wide. To close the door, you only need to forcefully pull it towards you.
For the first two functions there are separate screws that look like the main ones. You can adjust the advanced door closer using the same screwdriver that is used for a conventional device.
Most often, the closing retarder is located next to the two main valves, and the aircraft separately, on the same plane.
You can watch a video before adjusting the door closer, but even a child can do this job. Turning clockwise increases the slamming speed, counterclockwise - decreases it. This rule applies to all screws available on the closer, both in the “sliding” and in the “lever” system. 
The correct position of all valves will lead to flawless door operation. The reliability that the door closer will have can be guaranteed by adjustments for several months in advance. The subtlety is that winter and summer are different temperature conditions operation, and the oil inside the mechanism can have different effects on the compression rate of the spring. In view of this, it is better to tighten the screws at least twice a year, after winter and after summer. If the door closing characteristics change after winter, do not be upset, this is normal, the main thing is to return the actual properties of the door to the proper level in time.
How to adjust the door closer is described in detail in the video presented in our article. It describes the work process step by step, thanks to which even a person far from construction and crafts will be able to correct such details in his home.
There are a number useful tips, how to preserve the mechanism and not adjust the door closer in the future. First of all, there is no need to load the mechanism - do not let children ride on the door, do not hang heavy objects on it. Secondly, do not forcefully press it when opening it. Thirdly, choose a door closer that suits the parameters of your door.
Our article, as well as photo and video materials, can tell you how to adjust the door closer with your own hands. There is no need for strength, just dexterity, so both a woman and a teenager can cope with such work. If you don't know how to adjust the closer of your or public entrance door, don't despair, just imagine whether you would like to close faster from the widest position, or just slam at a palm's distance. In a couple of seconds you can understand how to increase the resistance of the door and how to weaken it. Any door closer is easy to adjust and can only be broken if the tension force exceeds its technical capabilities. In this case, you will see oil leakage, and this will mean that the device will have to be replaced. After finishing the work, do not forget to return the cover and check the operation of the door again.
It happens that the door closer is adjusted with good information preparation, the instructions are at hand, but still the result cannot be achieved.
The range of modern door closers is very diverse. In this case, the matter is wrong choice this part, especially for heavy metal entrance doors. Most likely, the European standard index does not match the weight or width of the door, the fastening angle is incorrectly attached, or the holes for the screws on which the closer is held are shifted.
In this case, the question of how to adjust the closer is not correct, since you need to change the intercom doors, or, what is more likely, remove the closer and install a new, more powerful one. You should also pay attention to the lever; it must be perpendicular to the plane of the door. If it is misaligned, one of the closer links may need to be moved. When purchasing door closers, know that adjustment is easy, especially if you have not lost the instructions.
The closer is a device for returning the door to its original position in automatic operation mode. This device silently and softly closes the open sash. If necessary, it holds the door leaf open. Many doors are equipped with modern, practical devices. At the same time, like any technique, the closer needs maintenance, adjustment and troubleshooting.
To better understand the principle of operation of the mechanism, you need to analyze its basic varieties, this will make it easier to figure out how to properly debug a door closer.
For the most part, two types of this device are practiced:
Depending on the method of installation, devices can be divided into three main types:
According to the principle of operation of the device, they are as follows:
In the structure of this device The following parts and mechanisms are included:
The basic component of the design is a spring system, which, when the door is opened, is compressed and accumulates the energy required to close the door. The compression process is carried out by transferring the force of the traction device to the spring. Toothed gears and racks move the piston, while oil flows through internal channels into the free part of the housing. During the reverse movement of the door, the spring straightens and ensures soft closing.
Adjustment of work door closer is a pretty simple matter. Setup can be done without any problems with my own hands. It is worth understanding in what situations it may be necessary to adjust parameters this mechanism. The first thing to remember is that the duration of uninterrupted operation of any mechanism is directly based on the quality of its maintenance during the entire period of operation. As a result, 1–2 times a year it is necessary to inspect the closer and eliminate minor faults. This is especially important during the transitional change of seasons.
In summer and winter, climate conditions vary enormously. Most door closers are filled with oil, and as you know, any liquid changes its state when the ambient temperature changes. In particular, in winter the oil becomes thicker and the movement of the door leaf becomes slower. In summer, everything turns out the opposite, so you need to prepare the door closer to the required level. Adjusting the device is also necessary if you notice any malfunctions or you simply don’t like the settings. If the device begins to slow down or the door leaf closes too hard and quickly, intermittently, and does not close for a long time, you can try to correct all this. Things are somewhat more complicated when the device fails, since a simple adjustment will no longer be effective and repair work will be required.
To adjust the device, it is not necessary to invite a specialist. All you need is a minimum set of tools and certain skills. The entire procedure will take a minimum amount of time and will make it possible to achieve the desired result by following the steps listed below.
The key problem when adjusting the closer may be choosing the ideal solution. The main task is to close the door completely so that there are no gaps left. It is necessary to correctly select the ideal time that the door leaf can remain open. It is also necessary to make silent closing possible; hard impacts on the door frame are unacceptable. This may cause damage to the canvas. And the worst option may be the loss of functionality of the mechanisms responsible for proper operation.
To set it up yourself, you will need a flat-head screwdriver or an Allen key. The door opens all the way, special valves located at the end of the device are secured. Full fixation is carried out with the door leaf closed. By changing the degree of tightening of the valves, you can adjust the door to extremely comfortable closing. Valve number 1 is responsible for the closing force of the door.
If a fully open door closes too quickly at the beginning, the valve must be tightened, and if it is slow and the speed needs to be increased, on the contrary, it must be unscrewed. Valve number 2 is responsible for the speed of complete closing of the door leaf (slam). Some modifications have a third valve, which adjusts all the efforts of the door closer. When properly configured, the door leaf moves smoothly, without jerking. The result correct installation and proper setup of the closer will result in a long service life.
Important! The control valves must not be turned out completely. Otherwise they will stop carrying out their functional purpose even after returning them to their place.
Quite often the closer requires additional adjustment. If the mechanism is working hard, and effort is required when opening the door, you need to release the valves, the door will begin to function smoothly. The valves can be placed at the end or on front side, it all depends on the modification of the device. You can find out the location of the valves by looking in the manual, where the manufacturer indicates the location of all components and elements of the door closing mechanism.
At times there is a need for open door over a relatively long period of time. It is worth figuring out how to adjust the device so that the doors do not close, but remain open. In many modifications of closers there is an auxiliary hold open option for this. To set it to this mode, you need to open the door approximately 90 degrees, and then tighten the specialized lock. After such simple actions, it will be possible to leave the door leaf open when opening it to the configured degree. A special lock in the device will be activated and will hold the door in this position as long as necessary. If you need to close the door, you just need to pull it towards you, and it will be removed from the latch. If the door is not opened all the way, it will move in the same way as always, without stopping.
We can safely say that door closers are practical and convenient devices. They are easy to install and operate. All modifications are equipped with specialized valves, through which you can adjust the force and speed of opening or closing the door leaf. Door closer options provide the ability to hold doors open or closed. But remember - you need to buy these devices from distributors who have the right to sell in accordance with the all-Russian classifier of types of economic activities.
To learn how to adjust the door closer with your own hands, see the following video.
