Transfer of metal-plastic windows to winter mode. Down with the cold in the apartment, or how to switch plastic windows to winter mode

Now it's hard to imagine modern apartment without plastic double-glazed windows on the windows.

Really, plastic windows are very popular today, as they have many advantages.

One of them is their ability to change the regime from winter to summer. Of course, not all windows have this mode, but not the cheapest window models have such a function.

Due to the fact that in winter the temperature in our region differs significantly from the summer, the requirements for windows are also different.

In winter mode, the seal is pressed as much as possible, and in summer, on the contrary, good ventilation occurs due to the exact distribution of the load between all constipations.

To find out if your window has such a function, you need to inspect it. If on the side of the sash on the trunnion (lever) there is a hole for a hex key or an asterisk next to the eccentrics, then your windows have the function of switching to summer and winter modes.

When to switch windows to winter mode

If in summer a slight blowing around the perimeter of the window is completely imperceptible and does not affect the temperature inside the room, then in winter, even a slight blowing due to a loose seal becomes noticeable.

If the temperature in your apartment has dropped significantly with the onset of cold autumn weather (this is especially true for the off-season period, when the heating in the houses is not yet turned on) and, going to the window, you feel blowing, and the window sill is rather cold, then it’s time to change the mode operation of your window for the winter.

Transferring plastic windows to winter mode: instructions

How can I switch windows to the correct mode?

1. First, wipe all the elements of the window with a rag, and clean the fittings from dirt with a brush.
2. Some parts are oiled. It is best to remove the old grease and re-treat the mechanisms with silicone grease.
3. After that, it is necessary to adjust the position of the valves.
4. Then you need to find all the trunnions on the sash (the larger the window size, the more of them). They usually have a size of 5-8 mm. All trunnions must be switched to the required mode, otherwise the seal will be pressed unevenly.
5. Consider the pin. Usually they have risks indicating the winter and summer periods of work.
6. Next, using a hexagon or a screwdriver with pliers, you need to turn each lever to the maximum position. Sometimes it is necessary to first pull the pin towards you, and only then turn it clockwise. Then it is necessary to return the pin to its previous position, that is, to drown. Similar action you produce when translating wristwatches.
7. In the end, you need to check how correctly you did everything. In winter mode, the handle will close much tighter due to the tighter sealing. You can insert a sheet of paper into the sash and close the window, and then try to pull the sheet out. In winter mode, it should not be easily removed, and with a high-quality seal, the sheet should be securely fixed. If so, then you did everything right, and now there will be no blowing from the windows.

In principle, this is not so difficult, but it should be noted that if something is done carelessly, then there is a risk of damaging the structure. So if you are not sure about own forces, it would be better to turn to professionals for help in translating windows.

Note! If the apartment is warm and without switching windows to winter mode, then this is not necessary, since the wear of the seal in this mode is much greater.

Finally

Based on the foregoing, we can conclude: if you notice any changes in the functionality of your plastic window, for example, if the window starts to blow or the window freezes and condensation occurs, or the sash starts to cling when torn off, then you need to change your window mode. As mentioned above, this is pretty easy to do.

Installing plastic windows is often not enough, as their proper maintenance is also required. If used incorrectly, problems can arise, and in this case, the windows will not protect the room from wind, cold and noise. Most often, you have to pay attention to the named problem when you need to change the mode. To do this, you need to configure.

Why regulate metal-plastic windows?

Everyone knows that plastic windows have two main modes: summer and winter, each of which performs its role. Window manufacturers usually indicate in their recommendations how to properly operate and set up a metal-plastic structure. It is safe to say that this avoids a lot of problems.

We will tell you how to do this correctly later in the article. It is important to remember that all the recommendations will help to properly adjust the metal-plastic structure and keep the heat in your home.

Why is it necessary for the "summer-winter" mode?

Few people know how to set up a window, so some prefer to turn to specialists for help. But there is nothing complicated in setting up windows, and if you carefully study all the recommendations, then you can carry out all the work on regulating the structure yourself.

Initially, the adjustment is made when the windows are just installed. This greatly simplifies operation, but, unfortunately, does not allow you to select the desired mode in the future. For example, if windows were installed in the summer, then in winter period you need to reconfigure them, and vice versa.

Experts say that it is simply impossible to do without adjustment, since it is a kind of repair, which allows you to determine the preparation of the structure for operation in the cold season. Setting plastic windows for the winter improves their tightness, prevents drafts from entering the room. Thanks to her, the microclimate in the room will always remain at a normal level.

If the adjustment is carried out incorrectly, then the room will always be present high humidity and sometimes even frost on the windows. If the structure is operated for a long time, then the tightness becomes minimal, and there are a lot of reasons for this.

Often adjustment of plastic windows is required when a breakdown occurs. To avoid this, they need to be constantly adjusted as the seasons change. If you leave the windows in summer mode, then cold air masses will be able to freely penetrate into the room, which will naturally affect both the level of heat and the energy consumption for its conservation. By setting the windows for the winter period in the desired mode, you can keep the heat in the room.

When is window adjustment required for the winter?

Setting up winter-summer plastic windows may be required in several cases, which you should pay attention to in more detail:

1. Windows should be adjusted immediately after the structure has been installed.
2. Even specialists can sometimes make mistakes during installation, such violations lead to deviations, gaps begin to form. In this case, a full repair and adjustment of plastic windows will be required.
3. A technical inspection should be carried out every two years. If the frame is operated without such checks, then some deviations may be detected.
4. The window may fail if it was installed in a new building or in an old house, as the building may sag. It is not difficult to notice this - after adjusting the windows for the winter period, it will still penetrate into such a room cold air. In this situation, it is important to take into account the possibility of subsidence of the building, and problems can be avoided.

Naturally, these are far from all the reasons why it may be necessary to adjust the window for the winter, but they are the main ones that the consumer may encounter.

Instructions for adjusting the window for the winter period

Setting up plastic windows for the winter with your own hands has always remained the most pressing issue. To attract specialists to work, you need to spend a fairly decent amount of money, and in order to do all the work yourself, it is enough to carefully follow the recommendations.

The design for the winter must be prepared in advance, otherwise the owner may face big problems during operation. The fact is that it will be very difficult to fix anything during a decrease in temperatures.

First of all, you need to pay attention to the accessories. Adjusting the fittings of plastic windows allows you to make sure that the windows begin to fit snugly against the frame. If the windows were previously adjusted incorrectly, then you will notice strong drafts in the room.

Adjusting the window does not take so much time. In order to carry out all the work, you will need to use a hex key, which is available to almost every owner in the house. At the end of one leaf there is an element that serves for locking, in another way it can also be called a clamp. It sits on a rectangular platform, but can be moved up or down. It is very important that this clamp be moved in the direction of the street when a strong cold snap is planned, this is precisely what will provide the owner with good tightness.

To properly tighten the clamp, you should use a hex wrench. You need to twist it counterclockwise, applying a small amount of effort. Thanks to this, he will be able to turn into the correct position and fix himself. As soon as all the manipulations are completed, it will be possible to say with confidence that the work has been done at the proper level, and now it will be warm and comfortable to be in the room even in the most severe cold.

How to set up different types of accessories for the winter?

Each hardware manufacturer fights for quality in its own way, and this also affects the adjustment of the plastic window. Some developers use a complex design structure, and some use a simplified one. Consider all types of fittings and how it can be configured:

1. Roto has round heads in its designs, which is why the owner may have a problem with the keys, since it will not work to find the right one. Here you will have to suffer and look for a key with a large cross.
2. Maco made sure that the heads were the most convenient - the manufacturers made them oval in shape, and you can twist them with ordinary pliers.
3. TORX fittings are considered the most reliable. To switch to the winter period, you will need to use a hex key.

Some plastic window developers use special protection in their system, in which the mechanism can be rotated 360 degrees, but as soon as the owner does this, the mechanism will return to its place. By the way, it is often not recommended to do this, as the mechanism can simply break down, and then a complete replacement will be required.

It should be noted that the adjustment of plastic windows without specialists requires special attention and patience. As soon as one head is twisted, it is worth checking how tightly the window closes. As a rule, adjusting one head does nothing, therefore, gradually twisting the rest, you can check the tightness from all sides and all the shutters of a metal-plastic window.

another way

When setting up plastic windows, you should pay attention to the condition of the seal. Often the cause of drafts from the cracks lies precisely in its wear. This seal is made from rubber. If the material is not properly looked after, then soon it will be possible to notice that no adjustment of the windows can save the owner from the penetration of cold into the room.

So that the seal does not wear out much, you should use a special silicone grease, which motorists love to use so much. Thanks to it, the rubber is covered with a special molecular film, which lasts for six months.

Over time, the seal can be completely changed, and then the window settings will become even easier.

What problems can arise when adjusting windows?

To date, some plastic windows have complex structure. Naturally, setting up plastic windows with your own hands in this case can cause certain difficulties. Such windows often require proper preparation by winter, so one adjustment in this case is not enough.

Windows require special attention, and if they are not switched to summer or winter mode in time, then their service life will soon come to naught. It is important to remember that if they are always in winter mode, they will soon fail, or rather, the seal will deteriorate. Switching from winter to summer mode is also beneficial because more fresh air will enter the room.

Some are wondering how to adjust plastic windows on their own. It should be noted that all manipulations are performed very simply, so you do not need to seek help from specialists. Most often, difficulties arise when cylindrical eccentrics are used in fittings. Before starting work, you must first carefully examine all the elements of the window lock and try to adjust the screws. Window manufacturers usually leave their recommendations, so you can use their tips.

Step by step adjustment

When setting up plastic windows is required, you should follow some recommendations:

1. It is necessary to carefully examine the end of the sash. This part of the window is moving, with cylindrical elements that, when moving, go into the window frame and fix the sash in one position. Among the elements you can see two stripes, which are divided into two semicircles.
2. To switch the window to winter mode, simply turn these strips towards the street. In this case, an expansion is obtained, and the window sash automatically falls into the bar, while the frame is pressed harder, and air cannot freely enter the room.
3. Return windows to summer mode can be done in the same way, but for this you need to turn the sash in the opposite direction, more precisely, towards the room.

Innovations in setting windows for winter

Today, windows are considered innovative. In this case, this term refers to windows with three-chamber double-glazed windows - such glasses allow you to save heat by 70%. Some believe that these windows are absolutely not suitable for the summer period, but it is safe to say that they will reflect the energy of the sun.

You can freely install a climate valve on plastic windows, then setting up plastic windows with your own hands will become even easier. In this case, without any effort, you can make it so that the air from the street will not enter the room, and, conversely, make sure that there is more fresh air in the house, providing good ventilation. Using the mechanism correctly, you can achieve the expected results.

If the window cannot be adjusted, then you should take care of replacing the seal. After all, when the product is used for a long time, then setting up plastic windows can be almost impossible and all that remains is to replace the seal. Over time, it may lose its properties, cracks appear in it, and recommendations for switching to winter mode will not give the expected effect.

It will not be difficult, you should buy suitable material and carry out appropriate manipulations. It is advisable to carry out the replacement not when the house becomes cold. The old seal is removed from the upper or lower corner, as soon as this work is done, the grooves should be processed, or rather cleaned of dust and dirt, otherwise the new seal will not be able to lie as it should. After that, a new sealant begins to be laid from the upper corner, which is applied over the entire width.

It is very important to carefully monitor that it fits snugly. Only when all the work has been done, you can begin to fix the new seal. In no case should the rubber be stretched, since then it will not match the size of the window. Remember that it is also not recommended to turn the eccentrics all the way, otherwise the seal will need to be replaced again. If you follow all the recommendations, the adjustment of the window will be quick and efficient.

Recently, most people have begun to change windows with wooden frames due to their advantages. However, many of them do not even suspect that from time to time additional adjustment of plastic windows may be necessary.

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When is additional customization required?

During the operation of plastic windows, there may come times when the sashes no longer fit snugly against the frame and they cease to perform their main functions. Wind can blow into loose connections, dust can fly in from the street, and heat can escape.

Sometimes you need to adjust windows

Sometimes it happens that the open sash cannot be closed due to the offset position relative to the entire frame. And if in the warm period of the year it can be somehow experienced, then when cold weather sets in, the temperature in the rooms decreases and it becomes uncomfortable to be in them. In such cases, it is necessary to carry out self-adjustment.

The main reasons for the loss of tightness of windows

During installation, a thorough adjustment of all gaps and the position of the valves for certain operating conditions is carried out. However, each material has different coefficients of thermal expansion and occupies a certain space. During installation, the installers adjusted them as accurately as possible to the dimensions of the opening and the frame in order to ensure them specifications. But when the temperature outside changes, either expansion of the material as a result of warming or contraction during cooling can occur. This is especially true for the sash seal.

The concept of operating modes

In order for the windows to be operated in the cold season, they must be adjusted. It consists in pressing the opening parts against the frame seals as much as possible. This takes into account that the materials are compressed in winter, and when moving to summer they expand. During the transition from a cold to a warm period, it is necessary to prevent the occurrence of abrasion of the coating when opening windows and reduce wear on fasteners. That is, you need to reconfigure the winter mode of plastic windows to summer. If the installation was carried out in the summer, then the reverse adjustment is carried out.

The window can be opened in several ways

Is there an adjustment?

In general, high-quality windows do not need seasonal adjustment and therefore can be used for a long time. As for other cases, if there are technical possibilities, it is desirable to carry out their periodic adjustment. However, in most cases, the installers do not say anything about the presence of the adjusting screws and do not give any instructions for their maintenance. But this does not mean that there is no such possibility. Therefore, first you need to inspect the sash from the sides. There should be special holes for hexagons or adjusting caps with a recess in the form of an asterisk or having oval shape. There should be two on the bottom loop, and one on the top. If they are absent, then it will not work to change the mode and you will have to change the fittings or seal.

Reasons for changing modes

1. Doors don't open well or don't open at all. This is the result of sagging hinges, or the winter position is set on the adjusting screw.
2. The wind blows through the seals and blows dust. If this happens in the summer, it may be necessary to replace the rubber seal and adjust the position of the opening parts.
3. The presence of sagging. Sometimes this can be the cause of wear on the hinges.
4. The offset of the sash relative to the window in the horizontal direction.
5. Wrong initial setup.

Change the seal if necessary.

Preliminary preparation

Before making adjustments, the following steps must be taken:

1. With a damp cloth, clean all joints and connections in the end part of the sashes, as well as from the side of contact with the frame. It is important to prevent dirt from getting on the internal window opening mechanisms and on the hinges.
2. Use a hard bristled brush to clean the surface of the fittings.
3. With a dry cloth, wipe not only dirt, but also old used grease from rubbing parts.
4. Replace seals if they are severely worn.
5. Lubricate the adjusting screw for setting the winter-summer mode with special silicone grease, as well as the hinges.

Sash adjustment

Before setting the window modes, install it in the correct position so that in case of distortions or sagging, the seal is not damaged. To do this, a pencil with a soft core is taken and the entire perimeter of the sash in the closed position is circled right along the frame. It is not advisable to apply force in this case, so as not to damage the plastic coating. Then the window is opened and the distance from the line to the frame opening around the perimeter is measured with a ruler. A position within 7 ± 1 mm is considered normal. Ideally, it should match on all sides.

It can be cold due to a poor fit of the sash

Changing the position of the sash in height

If deviations in height are observed, then a decorative plastic insert is removed from the hinges and the screws in the lower part are tightened with a hexagon. This procedure is required before setting the winter mode of plastic windows. If the distance on the bottom side of the frame is less than on the top, then it should be slightly raised. Using a suitable screwdriver, unscrew the upper screw by half a turn and check the position of the sash. If it is higher than required, then the screw is tightened by a quarter, and otherwise, unscrewed. For the top fastening, follow the same steps to ensure that the load is evenly distributed on both hinges. The adjustment is carried out until the sash achieves the desired result.

How to check if the setting is correct?

A properly adjusted window should open and close freely without rubbing sounds. All screws responsible for the vertical position of the sash should be approximately in the same position. Rubberized seals after opening the window should have approximately the same shape and easily return to their original state. If more precise adjustment of plastic windows for the winter is required, then they take an ordinary sheet of paper and lay it between the frame and the sash, after which the shutters are closed and they try to remove the paper. If this succeeds, then the adjustment is incorrect.

Places for customization

How to move a window horizontally?

To shift the window in a horizontal direction relative to the frame, tighten the adjusting screw located on the upper or lower hinge. A hole for the hexagon is searched for, and then, by rotating it, the required position of the window is achieved. The displacement can be carried out by only 2-3 mm in both directions. If the sash needs to be moved away from the hinge, then the screw is rotated counterclockwise, and if vice versa, then clockwise. Moreover, the lower adjusting screw is adjusted at open window, and then, by closing, check the correctness of its entry into the frame.

We carry out the change of modes on our own

Switching the window to winter mode is quite simple. To do this, on the side surface we find a pressure roller protruding outward, with a mark on the cap, and rearrange it to the winter position. They are easy to find by turning the handle, as they move along the guides. If the mark is on the side opposite to the seal, then the clamping force is reduced. In summer mode, the mark should look towards the room, and in winter - outward. To change position, you need to pull the roller towards you, turn it, and then drown it back. Similar actions are carried out with all screws with marked marks.

Pin adjustment

How often should you change modes?

In most cases, you should not reconfigure the location of the sashes and change the modes, especially if the window is new and in the cold period the sashes fit snugly against the frame. In all other cases, such work should be carried out no more than once every 6 months. And be sure to transfer them to the summer mode.

Possible consequences of an incorrect setting

All work on reconfiguring the modes of plastic windows must be carried out in accordance with the instructions. Changing the position of all screws in the "winter-summer" modes without information about their purpose can lead to damage to the window opening mechanism, pressure rollers and rubber seal. Also, before adjusting, it is necessary to correctly assess the technical condition of the windows. In case of increased wear of parts, it will not be possible to set up the winter mode, and it is very easy to break the adjusting bolts. When pressing the screws with force, the seal may retain its deformed state and not return to its original position, which will entail its replacement.

Causes of window decompression

1. Factory defect, which led to the miscalibration of fittings.
2. Mechanical damage during operation: cracks in the plastic, depressurization of the double-glazed window, destruction of the glazing bead.
3. Errors during installation: gaps are not hermetically sealed, incorrect location of the window in the opening.
4. Wear of internal and external parts during operation.

Hinge adjustment

Switching the window to summer mode

The setting of plastic windows for the winter should be changed in time to the summer after the onset of warming. To do this, all screws that have been reconfigured to the winter mode position must be unscrewed to their previous state. However, in case of wear of the seal, it is necessary to ensure a stronger pressing of the sash against the frame. The adjusting nut is unscrewed in the opposite direction so that the mark looks inside the room.

Downsides of changing window modes

Adjusting screws are essentially locking pins that are designed to enhance the sealing of windows. Their constant adjustment is fraught with the loss of the basic properties of the seal and the need to replace it. When opening the window handle, the trunnions move along the guides and the eccentrics go beyond the strikers and provide the profile with pressure to the frame. When tightening the screw for the winter, the maximum force on the seal is provided, and it remains in this state all winter. At the same time, it is additionally affected by low temperatures and high moisture. During the 2-3 season, he may completely lose his properties. If you do not change the winter-summer mode, then the sealant can last at least twice as long.

You can set up using the key.

Change modes or not?

The answer is unequivocal that specialists should carry out regime change, as they have the appropriate knowledge and skills. But this will require additional costs for calling him twice a year and spending time. In this case, the service life of the seal will be significantly reduced. On the other hand, it is necessary to ensure the preservation of heat during the cold period and extend the life of the windows. A dilemma arises that requires making the right decision both from a financial point of view and ensuring conditions for maximum living comfort. Therefore, there is no single answer to this question, since each person has his own preferences.

Conclusion

Despite the high manufacturability of the manufacturing process of plastic windows, they require manual adjustment of the modes of use. Moreover, this is more of an advantage than a disadvantage, since only in this way can the most convenient parameters for their use be achieved. By changing the winter-summer mode, you can achieve the tightest connection of the sash with the main frame and keep warm in the cold season, and in the summer provide sufficient functionality and reduce wear on parts. Changing the settings in a timely manner will extend the life of the windows.

Winter mode of plastic windows video:

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Many modern models plastic windows have an undeniable advantage - the ability to transfer to winter and summer mode. This is a very useful feature for our latitudes, where the temperature changes during the seasons are very noticeable. Today we will talk about the features of such windows and how to use them correctly.

Do I need such a function on plastic windows

With the onset of cold weather, even from the sealed construction of a plastic window, you can feel blowing. In winter, it is very important to keep the heat in the room. Therefore, the transfer of the window to winter mode must be carried out without waiting for frost. But if you do not feel discomfort and blowing from a window that is in summer mode, then you should not switch it: winter mode can greatly wear out the structure.

Properly adjusted mode will help you maintain a comfortable indoor climate.

In summer, on the contrary, constant ventilation and access of fresh air from outside to the room is required. Switching a plastic window to summer mode provides the above, without letting dust, dirt and heat in from the street, unlike a regular window.

How to determine if it is possible to switch windows to winter / summer

Fittings on PVC windows can be budgetary, standard and specialized. The cost of such double-glazed windows increases accordingly. Having entered a new building, you will most likely find windows of the first type - budget ones. Their fittings provide only two positions: open and closed. If you want to install other windows, please note: designs with standard and specialized fittings do not always have the function of switching to winter and summer modes.

Carefully inspect the ends of the window sashes near the locking fittings. In a frame equipped with a winter mode, a trunnion is visible - a protruding mode lever. It can be in the form of a hexagon, an asterisk or a washer with a horizontal groove for a screwdriver.

An example of a trunnion that allows you to switch the window to winter and summer mode

On some models of trunnion profiles (eccentric) first extends above the surface, and after adjustment is pressed back. But on most modern windows eccentrics look like small hexagons with a recess for a key, or like convenient ovals.

in the windows standard size 5 eccentrics are provided: three near the handle, from the end of the wings, and one each near the upper edge, above and below. These trunnions provide pressure to the sash, preventing it from sagging. The larger the window size, the more eccentrics are located around the perimeter. Proper load distribution between the locks ensures maximum tightness in winter and good ventilation in summer.

Hardware translation technology

This process is quite simple, but do not forget that the wrong translation can damage the fittings up to breakage. Therefore, be extremely careful when transferring a plastic window to winter mode.

Switching fittings to winter mode

1. Find all pins on the window sash. You need to translate each of them.
2. Take a suitable tool - a screwdriver, hex or pliers. Turn each eccentric clockwise to the maximum possible position.
3. Some types of fittings have a feature: the eccentrics must be pulled towards you before adjustment (like a winding mechanism in wrist watch), and after the fittings are transferred, drown them back. Specify such features when buying a window so that you do not have to call specialists at the wrong time.
4. Check the result of your work. To do this, close the window and pay attention to how tight the handle turns. Since the fittings press the sash especially tightly in winter mode, the window handle should also close tightly.

Note! There is an easy way to check the sash clamping force. Place a piece of paper between the frame and sash before closing the window. Then pull the sheet towards you. If it exits freely, then the window remains in summer mode. If the paper is stuck tightly and torn when trying to pull it out - congratulations, the procedure for switching to winter mode was a success!

To switch the window to summer mode, you need to turn the locking pin in the opposite direction, counterclockwise.

Switch windows to seasonal mode every six months. At the same time, do not forget that metal plates due to frequent use may require adjustment. To protect windows from breakage, regularly clean the sashes and fittings from dirt and lubricate according to the instructions.

Proper adjustment of the plastic window will not allow to freeze in winter

Video: how to switch windows to winter mode

We hope our tips will help you do the job correctly and easily. If you have any questions about this topic, please ask them in the comments. Good luck to you!

The presence in plastic windows of two modes "winter-summer" allows it is easy to adjust the pressure of the sashes, increasing the air flow in summer and, on the contrary, limiting it in winter.

The function of transferring plastic windows from winter to summer mode is quite convenient. AT summer time in the “summer” position, the sash adjoins the frame less tightly, allowing fresh air enter the room.

In winter mode, the windows close tightly, which allows you to save in heat. However, the function of transferring plastic windows to winter and summer positions is not provided in all models.

This option is available only for products with appropriate fittings installed.

Adjustment of plastic windows "winter-summer"

High-quality window fittings are equipped with fairly convenient mechanisms with which you can easy to adjust the position of the flaps.

At the end of each window for these purposes eccentrics (trunnions) are installed, which are responsible for the pressure density.

Their turn done with a hexagon. Some windows may have a slot for a screwdriver instead of trunnions.

For a tighter adjoining of the sash to the frame (“winter” mode), one should turn the pins slightly to the left. Total around the perimeter of the strapping can be up to ten trunnions, each of which must be rotated by the same angle.

The only condition is that each eccentric must be set equally.

For reference notches are applied on their ends. To loosen the pressure, all eccentrics turn to the right. Do not twist them too tightly damage rubber seals.

To make sure the window is tight enough to the frame, you can use a lit match. With a draft, the light will fluctuate slightly or even go out.

Before adjusting hardware all hidden parts of the window are thoroughly cleaned.

You can see the process of adjusting the plastic window in this video:

Particular attention should be paid places where the sash is attached to the frame and pressure rollers where dirt and old grease often accumulate.

If there is a large amount of dust, it can be remove with a small brush.

Replacing the rubber seal. Lubricant

You can replace the sealing gum by removing worn and by inserting new ones into special grooves using a flat screwdriver. To keep them out of the air don't stretch them too much.
Accessories will last much longer with regular care. For lubrication, you can use automotive, household machine oil or silicone grease.

All rubbing parts need processing - pins, adjusting screws etc. Before lubrication, the fittings are cleaned of dust, dirt and old dried grease.

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