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Winter and summer mode in plastic windows: switching methods, malfunctions and their elimination

The topic of this article is winter-summer mode in plastic windows. Together with the reader, we will understand why this function of window fittings is needed, what problems may arise when using it, and how to eliminate these problems. So, let's go.

What it is

Summer and winter modes on plastic windows differ in the pressing force of the sash and, accordingly, the maximum gap between the opening sash and the frame:

• In winter mode, the sash is pressed more tightly to the frame;
• In summer the gap is a couple of millimeters larger.

The pressing force is changed in the simplest and most obvious way - by turning the eccentric rollers, which are responsible for fixing the sash in the closed position.

Why is this necessary?

Remember physics? There is such a term - thermal expansion. It describes the behavior of almost any material when heated: the linear dimensions of an object made from it change upward.

Window profiles are no exception.

When cooled, the size of the object decreases accordingly. For those materials that are used in the manufacture of modern windows, the coefficient of thermal expansion takes the following values:

A little, right? However, when heated to, say, 60 degrees, a modest five to six hundredths of a millimeter per meter will turn into 3 - 3.6 mm.

Thermal expansion - simple and clear.

In terms of the standard thickness of the metal-plastic profile (60 mm), the expansion when heated from winter -30 to summer +30 degrees will be about two tenths of a millimeter.

This seemingly small difference may well mean the presence or absence of a cold draft around the perimeter of the sash - a draft that will lead not only to understandable discomfort, but also to unreasonably large heat losses. Which, for a moment, is what you pay for.

Excuse me, the surprised reader will say, but what about elastic rubber? Doesn't it compensate for the slight change in sash size?

Of course, it compensates. However, rubber tends to lose its elasticity over time. Over the course of several years, a constantly compressed rubber profile will acquire the shape and size of the gap between the frame and the sash.

Since the size of the gap changes following seasonal fluctuations in street temperature, after just a couple of years in winter it will begin to seep through the window. Simply because the seal, pressed by the profile that expanded in the summer heat, will no longer completely close the gap in winter. However, it is worth increasing the gap between the profiles during the warm season - and the problem will be completely eliminated.

How to regulate

When installing hardware, its pressure rollers are usually in the neutral position.

How to switch plastic windows to winter mode when cold weather sets in? You just need to rotate all the rollers 90 degrees - so that the larger radius of the oval roller is directed towards the sash.

The mark on the video in winter mode is directed towards the house, in summer mode - towards the street.

How to do this? The instructions depend on the type of fittings. There are two options:

1. You can rotate the roller yourself, without tools. To do this, it is enough to pull it along the axis in the direction from the sash and rotate it to the desired position;
2. The roller turns with some effort using a hex key.

A set of hexagons suitable for adjusting windows can be found in any bicycle or car shop.

How to switch windows to winter mode if you don’t have a hexagon on hand?

• Using a flat-head screwdriver, insert it into the groove of the roller;

Not all hardware kits have a slot for a screwdriver.

• With pliers. Under their jaws you need to place a thick cloth folded several times or thin rubber (for example, a piece of an old bicycle inner tube) so as not to wrinkle the surface of the roller.

How to switch plastic windows to summer mode when it gets warmer? In the same way, only for the summer, the roller turns with a long radius in the direction from the sash.

A special case

How to switch windows to summer mode if their sashes are equipped only with central locking, without pressure rollers?

The pressing force of the sash can be changed by adjusting the mating part of the lock. To do this, it is equipped with a pair of adjusting screws with hexagon heads located at the top and bottom of the movable bar.

Alas, the benefit of such an adjustment will be rather dubious. Deformation of the profile over time will inevitably lead to the appearance of cracks at the top and bottom of the sash. A window without pressure rollers will never close completely airtight.

Problems and solutions

What problems may arise when switching seasonal window mode?

• The roller does not turn.

You may be trying to rotate the roller without pulling it out of the lock slot. Try lifting the roller and turning it 90 degrees.

If this is not the problem, lubricate the roller with WD-40. The price of a small (100 ml) aerosol can of this lubricant is about 150 rubles. Thanks to the kerosene contained in WD-40, the lubricant can penetrate any thread in a few minutes and allow it to move out of place.

• In the winter position the window continues to show through.

It looks like the window seal has served its purpose.

You can purchase a new seal from any company that sells plastic windows and provides their service. To replace it you need:

1. Pull out the old seal from the grooves of the sash and frame;

1. Trim it at the corners with a utility knife. In the corners the seal is welded to the profile;
2. Insert a new seal around the perimeter and frame and press it into the groove until it stops with your hands or a dull steel spatula.

Replacing the seal has one subtlety. The absolute tightness of windows is not always useful: it often leads to the fact that the room completely ceases to be ventilated. To ensure air flow, frames are often equipped with supply valves, but there is a simpler solution.

If you cut a couple of pieces of the seal (bottom on the frame and top on the sash), you will ensure a constant limited flow of fresh air at no additional cost.

Adjusting windows for winter is a very important aspect. But often people don’t know about this or simply forget. If you don't maintain windows, even the most expensive ones can break or lose their properties. Windows must be handled with care, otherwise consequences such as drafts, cold and noise coming from the street may occur.

This manipulation should be carried out before the onset of frost, while the air temperature outside is above zero.

Why is it necessary?

Probably many people know that plastic windows have two modes: summer and winter. Each of these modes plays its own important role. When purchasing and installing windows, you should be instructed on how to properly set up and use plastic windows.

The initial adjustment is made immediately after installing the window. Of course, this makes life easier, but it will not help you in the future when the seasons change.

Many craftsmen say that adjustment is very important for windows; this is the main test of how the windows will behave in cold weather. By adjusting the windows, the temperature in your room will remain within normal limits, you will be able to avoid drafts and significantly improve the tightness of the windows. If you neglect the adjustment or do it incorrectly, this can cause excessive humidity, and in severe frosts, frost can form on the windows. If your window is not the first year old, then the tightness of the window is already much lower than at the beginning of its operation; there are quite a few reasons for this problem.

To avoid unexpected damage, windows should be adjusted before each change of season. If you don't change the modes from summer to winter, you will allow cold air to penetrate into your home. As a result, the air temperature in the house decreases significantly and more energy is spent to maintain heat. The first window adjustment should be made when the window is initially installed. Also try to carry out technical inspections at least once every 2 years. Often during inspections, specialists find any deviations in the design. The wizard will help you figure out this problem.

When adjusting structures, do not forget that weak pressure corresponds to the summer season, and strong pressure corresponds to the winter season.

It’s not at all difficult to independently adjust a PVC double-glazed window with your own hands for the winter period. Our instructions will help you.

Tools

You may need special tools to adjust windows. Try to stock up on tools such as pliers, hex keys, Phillips and flat-head screwdrivers, and it's a good idea to have a set of screwdriver bits on hand.

To lubricate the structure, you can use regular machine oil or a special spray.

Identifying areas that need adjustment

In order to determine the places that need to be adjusted, you first need to find out whether the sash pressure needs to be adjusted. To do this, you need to set the position of the trunnions, which are located near the handle, on the edge of the window. The pressure is determined using dots or small stripes that are located on the circular section of the trunnions. If the stripes point to the top position, this means that the window clamp is currently in the middle or normal position. Usually this is the position that the specialist set for you when installing the window.

If you see that the stripes look inside the room, then this indicates that the design is currently set up for the winter season. And if the stripes look in the opposite direction, then, accordingly, for the summer season. In addition to the above, it would be useful to determine the frame for sagging. Windows that were installed a long time ago are more likely to sag.

The sagging of the frame (sash) can be determined even by sound. When the sash sags, it rubs against the bottom of the frame, of course, this is accompanied by a specific sound.

Common Problems

The most common problems with plastic windows are:

• condensate;
• mold;
• depressurization;
• breakdown of fittings;
• freezing in winter and other problems.

Condensation and mold– very unpleasant aspects of plastic structures. In principle, the very presence of condensation is the norm, but there should be very little of it, and it is allowed only at the edges. If the window sweats completely, most likely it is due to high humidity in the room or due to a large temperature difference (outdoors and indoors).

The most economical and, of course, simplest solution is simple ventilation several times a day for 10-15 minutes.

But you can also install a special shutter on the window, which allows micro-ventilation. However, this service costs little money. You can make a ventilation system in the room. However, this is not cheap, and it will take a lot of effort.

Mold- This is a consequence of condensation. The cause of mold can be improperly made slopes. They can be plastered or made of plasterboard. The problem with plastered slopes is that they quickly freeze, which leads to the development of fungus. Slopes finished with plasterboard are not such a bad option, especially if they are insulated with mineral wool. In this case, they have excellent thermal insulation properties. But it is worth considering that such slopes can be made in rooms with low humidity.

The ideal option is plastic slopes. They are easy to clean, do not need to be painted and, when insulated with mineral wool, retain heat well.

If the rubber band (seal) deteriorates, this may cause poor sealing. The easiest way is to replace the rubber band. However, remember that the elastic will last longer with proper care. The seal should be lubricated with silicone grease twice a year. Dust and dirt can accumulate there over time, causing the elastic to lose elasticity and crack. To avoid this, simply clean the rubber from dust and dirt before lubricating it. Do this at least twice a year.

Another common problem is hardware failure. This can be caused by dirt, dust and improper care. The first sign may be a clicking sound when turning the handle. Within a year the mechanism will most likely be broken. To extend the life of your window, lubricate and clean it at least 2 times a year.

Peculiarities

Before working with a window in the winter, you first need to set the value to neutral (standard) and check for the fact that the window is blowing. It is not recommended to press the rubber immediately after installing the window, as they can shrink and become deformed in a new state.

If you have a high-quality seal, then most often they give a guarantee, but this is subject to proper care. If you immediately set the pressure to strong, then it will quickly become unusable, and as a result, when the next winter comes, you will find that it is blowing from the windows even when switching modes from summer to winter, and the rubber has dried out and is all cracked. In this case, the seal should be replaced.

There are cases that even after adjusting the windows to the correct mode, in winter there is still a draft from the window, and even replacing it with new insulation did not help. This usually happens if the house “sits”, then the window also sags. When you turn the window handle, the trunnion should go behind the plate and press firmly against the window. If this does not happen, then the window settings should be different.

How to install?

• Before starting work, you need to find out which of the journals do not reach the plate. To do this, inspect the window sash and remember all the protrusions. After this you need to close the window.
• Further grab the frame where the trunnions are installed, and pull it towards you. If the pin goes behind the protrusions, then the window will be immovable; if it doesn’t go, then, accordingly, the window can be moved. Thus, check all the places where there are trunnions and determine which places do not press tightly. Determine in which direction you need to move the sash. This can be done by adjusting the top and bottom loops.
• If the window does not close well at the bottom, then you need to adjust the lower hinge. At the very bottom of the hinge there is an adjustment hole; it can be for a hex key or for an asterisk. To adjust, turn the key clockwise or counterclockwise. Accordingly, as it moves, the window moves closer to the hinge, and against it, it moves away. If you unscrew everything all the way, but there are no changes, return everything to its original position, most likely the matter is different.

• There is another adjustment screw at the bottom of the hinge, but to get to it, you need to put the window on for ventilation and remove the protective cap. There will be no problems with removal; it is done very easily. After this, you will see a recess, insert the hexagon there and twist it clockwise or counterclockwise. When turned clockwise, the sash rises, and when turned counterclockwise, it lowers.
• If this problem occurs at the top of the window, open it 90 degrees. There is also a hinge at the top of the window, but it is not the same in design as the bottom. But there is also a hole for a hex screwdriver. Next, make adjustments by turning the key in the desired direction. However, do not forget that between the sash and the hinge you need to leave a distance of just a few centimeters. This is necessary so that the tilt and turn mechanism has the opportunity to go there. Every time you turn the key, check how your window closes and opens.

Typically, adjusting the pressure means changing the mode for different seasons. In winter the pressure needs to be strengthened, and in summer it needs to be loosened.

First, make sure that you really need the adjustment. The easiest way is to hold a match or lighter near the closed window near the sash. The flame will show whether the window needs adjustment, whether it is blowing out of it or not. Open the window and take a close look at the inside of the sash. There you will see three pins, they are the ones that regulate the window pressure. Using a hex screwdriver you can adjust the window.

Modern window systems, contrary to popular opinion, require constant maintenance. Of course, they do not need to be sealed for the winter or painted every season as is the case with their wooden counterparts. For full functioning, metal-plastic double-glazed windows need to be switched to a mode appropriate to the time of year. How to independently adjust plastic windows for the winter? And how important is it to do this?

• 1 Seasonal maintenance
  • 1.1 Leak test
• 2 Switching winter/summer modes
  • 2.1 Why is this needed?
  • 2.2 Adjustment mechanisms
  • 2.3 How to switch
• 3 What other adjustment methods are there?
  • 3.1 Vertical position setting
  • 3.2 Horizontal adjustment
  • 3.3 Changing the degree of sash pressure
  • 3.4 Adjusting the top corner fit
• 4 If the adjustments do not work

Seasonal Maintenance

The main feature of opening windows is that they do not have vents. For better ventilation of the room, the system provides rotary doors. During the operation of plastic double-glazed windows, you may notice that a draft appears in winter. Don't panic - this is not a manufacturing defect, but simply the seasonal mode is set incorrectly. Switching plastic windows to winter and summer modes is a mandatory maintenance procedure.

The tilt and turn mechanism of the glass unit must be adjusted depending on the season of the year

During long-term use, drafts may also appear. This occurs due to the loosening of the hinge screws of the rotary-locking mechanisms. By independently adjusting the windows for the winter, you can easily save 3-7 thousand rubles on calling specialists.

Leak test

How to prepare plastic windows for winter? With the onset of cold weather, it is necessary to carry out a preventive inspection of the state of normal locking of the sashes in winter mode. Leak tightness can be checked in several ways:

• Tactile. By running your hand along the frame, you can determine the presence of serious drafts.
• Fire with a match or lighter. Deviation of the flame from the vertical indicates the presence of blowing.
• A sheet of paper. They leave him in the closed door and try to pull him out. If the leaf comes out easily, it means the sash is not closing tightly.

If the paper sheet is easy to pull out through the sash, then the window is not airtight

Having identified problem areas, we begin to regulate the system to optimal requirements.

Switching winter/summer modes

When installing double-glazed windows, installers set the initial neutral parameters for locking the sashes. All positions will be adjusted for optimal functionality. However, then it is necessary to adjust the settings - ideally twice a year.

Why is this necessary?

Seasonal adjustment is often forgotten, leaving the sash pressure in a neutral position. As with any violation of operating rules, consequences arise over time:

• drafts from under the sash even with correct installation adjustments;
• if the summer mode is set, then in winter this will not provide sufficient pressure on the locking mechanism, which will cause heat loss from the room;
• if you leave the winter position, then due to the constant strong pressure of the sash on the seal, the latter will quickly become unusable;
• in the absence of seasonal adjustment, the normal microclimate of the room is disrupted, including an increase in humidity levels (there is a risk of condensation and mold).

Read also: Reasons for fogging of plastic windows in winter
Improper operation may lead to the formation of condensation on the glass

To do this, you need to correctly set the winter and summer modes of plastic windows in the sash settings.

Adjustment mechanisms

Before you begin changing the mode, you need to determine the locations where the adjustment devices are located. In most cases, the system provides for the presence of special mechanisms - trunnions, which, depending on their position, determine the degree of pressing of the sash required for the season.

They are located at the ends of a metal-plastic window or door. The number of such mechanisms may vary depending on the size and manufacturer of the glass unit (from two or more).

Possible locations of eccentrics - different manufacturers have them in different places

The trunnions may differ in appearance, but they perform the same adjusting function.

Options for the appearance of eccentrics

At the edge of the eccentric there is a mark, which serves as an indicator of the desired mode. By default, it is set up - this is a neutral position, which needs to be changed in accordance with the season.

A line indicating the selected mode. How to switch

The process itself is quite simple, you only need one tool - a simple hexagon (usually 4 mm), or less often an asterisk.

You need to set plastic windows to cold season mode before the onset of frost, when the temperature is still plus 5–10°.

Open the glass unit and inspect the ends. Usually there is one eccentric on the side, the second on top.

Mark indicating adjustment mode

Most likely, the regimes will be in a neutral position, and the risks will point upward. Having selected the desired tool, change the position of the marker.

To set a plastic window for the winter, turn the notch on the regulator towards the outside of the room. With the onset of the warm season, the position of the marker should be moved by the mark inside the room. Accordingly, if there are several such regulators, then the modes are transferred by turning all available eccentrics to one position.

You need to constantly switch modes according to the season - this is what will ensure normal functionality, balance of ventilation and sufficient energy saving in your home.

What other adjustment methods are there?

If, when checking the tightness of the lock, cold air still penetrates from above or below the sash, then most likely the problem is that the sash geometry is incorrectly set.

The figure shows the main points where adjustments to the fittings may be required. The window design provides several adjustment options:

• horizontal and vertical shift;
• setting the position of the lower corner;
• degree of pressing against the frame.

Location of adjustment points

How are optimal modes set?

Setting the vertical position

This is done by adjusting the bottom loop. Remove the protective cover. There are two adjustment points here - horizontal and vertical. To raise or lower the sash, adjust the screw located on top of the hinge. To raise it, turn it clockwise, and vice versa if you need to lower the height.

Vertical position adjustmentHorizontal adjustment

To perform this operation, both loops must be configured.

PVC window systems are virtually maintenance-free and do not require painting or sealing. To maintain a normal microclimate and prevent wear of the blocks, it is worth changing the modes. How to adjust plastic windows for the winter season quickly and at no cost? Follow a simple algorithm.

Why customize window hardware?

The peculiarities of PVC double-glazed windows are the absence of windows and the setting of the ventilation mode by turning the sash. At the time of installation, the window is not adjusted - it is in neutral mode (autumn-spring).

• preventing the sash from hitting the fittings when opening or closing;
• tight connection of the canvas to the frame without drafts;
• ease of use;
• prevention of breakdowns and expensive repairs;
• block sagging.

On a note! Setting the mechanism to warm and cold mode is a prerequisite for its maintenance.

Features of using mechanisms

To properly adjust the window, you will need to study the principle of operation of the mechanisms.

Types of modes

Manufacturers produce systems with the following modes:

• standard - the sash is pressed against the frame with the eccentric in the middle position. The seal presses normally, and the design provides high-quality protection from cold in the winter season and from heat in the summer;
• winter mode on plastic windows is needed to press the block tightly to the frame. This prevents heat from leaking out during the cooler months;
• summer modes - the sash does not fit tightly. The summer option is used for micro-ventilation, normalizing air movement in the room and outside.

On a note! Seasonal adjustment of plastic windows is carried out using side pins on the sash.

How to choose settings?

To understand how to adjust plastic windows for the winter, you should remember the basic rules:

1. The operation of the sash in winter is shorter than in summer.
2. Switching to a tight fit is carried out at the end of autumn; in March it is returned to its original state.
3. 2-3 years after installation, the sash operates in summer mode.
4. The structure cannot be pressed tightly in the summer - the fittings will break due to the increased load on the welding seam.

On a note! With good thermal insulation of the window, summer modes are left for the whole year.

How to check sealing?

Setting up plastic windows for winter is done at the first cold snap. Before starting work, check the tightness:

1. In closing mode, the hand is moved along the perimeter of the block. If there are cracks, a slight draft is felt.
2. A lit match or lighter is drawn along the joint line. When the flame is deflected, there are gaps.
3. The notebook sheet is placed between the frame and the sash, the window closes. If the leaf is pulled out well, the mechanism needs to be adjusted.

Important! Check every point of contact between the glass unit and the frame.

Adjustment technologies

How to quickly adjust beautiful plastic windows, changing them to winter or summer mode, working on your own? There are several configuration options.

Read also: Installing roller blinds on plastic windows - features of work without the use of tools

Using locking elements

On the side of the handle there are eccentrics or trunnions. By changing the location of the locking mechanisms, you can vary the intensity of the pressure. There are 2 pins on a standard window sash - upper, lower and central. How to adjust the eccentrics depends on their shape:

• round ones are adjusted in the direction of dots or dashes. A line with a direction inward indicates a winter program, outward - summer, upward - neutral;
• oval - summer direction indicates the location of the dash upward, winter - horizontally, neutral mode - diagonally;
• turnkey eccentrics. If the risk is shifted into the room, the sash is transferred to the winter season, outside - to the summer, in the center - to neutral.

Advice! Use a hex wrench to rotate the pin and select the pressure.

Replacing the rubber seal

Window adjustments are made after a visual inspection and checking for drafts. If the seal is damaged, it can be replaced in parts, but it is better to purchase a solid, dense rubber band.

The part is glued, first applying glue to the places of contact. The PVC sash is closed and left until completely dry.

Using loops

Setting loops for different modes is done in various ways:

• vertically - the lower hinge screw is rotated clockwise to lift it up. To lower the part down, you need to turn the screw counter;
• vertically - use the hinge end screw from below. By turning clockwise, you can tighten the frame to the hinges. To facilitate access to the double-sided screw, open the window;
• intensity of pressing the corner from below. You will need to turn the lower hinge screw located at the bottom;
• top corner. The sash opens in two positions to provide access to the trunnion of the upper scissors. The handle turns up, the frame tilts, and the eccentric mark is turned towards the block (small clamp);
• counter strips. When loosened, parts are lowered or raised.

Important! Not all double-glazed windows have a bottom screw.

Preparing for setup

Before you can properly adjust durable plastic windows for summer or winter, working on your own, you need to do some preparation. You will need to complete a few simple tasks.

Tools needed

For work, prepare:

• furniture hex keys (diameter 4 mm) with an L or S-shaped bend;
• 3-4 mm Phillips screwdriver with T or TX star attachment;
• round screwdriver;
• screws or screws;
• pliers;
• Sewing machine oiler with oil;
• WD-40 aerosol.

On a note! An S-shaped screwdriver is easier to use.

Preparing the window block and fittings

Adjustment of plastic windows for the winter is carried out independently after preparation:

1. The frame is cleaned of dust or debris.
2. Use a fleece cloth or dry cloth to wipe the fittings.
3. Aerosol lubricant is applied to the active mechanisms.
4. Excess composition is removed with a dry cloth.

Cleaning and lubrication are performed before tuning to prevent debris from accumulating and causing corrosion.

Advice! To distribute the lubricant evenly, the sash must be opened and closed 5-6 times.

Algorithm for switching a window to any mode

To understand how to switch plastic windows to winter mode, you will need to use several systems.

For the winter season

The work instructions are as follows:

1. Opening the sash and fixing it in this position.
2. Pull the recessed pins towards you.
3. Transfer all eccentrics in one step.
4. Use the mark on the element to adjust the intensity of the fit. The marker must be turned toward the street side for standard details.
5. Turn the oval eccentric horizontally, the standard round one - towards the street, the offset round one - with the wide side towards the room. Use a window wrench, a torx screwdriver, or pliers.
6. Check the maximum rotation - in winter the angle should be 180 degrees.

Advice! Use a sheet of paper to check the tightness of the seal.

For the warm season

Window adjustment is also carried out step by step after the preparatory work:

1. Raise the roller on the sash.
2. Use a hexagon to turn the element to the right.
3. Place the roller in place and repeat the process for all parts.
4. Loosen the sash - this allows you to implement the micro-ventilation mode - the standard position of the clamp changes.
5. Unscrew the eccentrics using a hexagon, turning them to the right by 2-3 mm.

Advice! Monitor the tightness of the fit at each stage.

basic settings

Adjusting PVC windows to winter and summer positions also involves working with parts.

Read also: Metal corrosion: causes and methods of rust removal

How to adjust the clamp quality?

If you don’t know how to properly transfer high-quality plastic windows to tight winter conditions, work step by step. You will need to adjust the trunnions:

1. For a round one, use a 4 key, which is inserted into the part. The eccentric can be shifted to the bottom or up.
2. The key is inserted into the element and turned, focusing on the red marker. If it is directed towards the room, you have changed the seasonality.
3. By turning the point towards the street, the doors are weakened.
4. For the summer period, oval pins are turned vertically, parallel to the window structure. In winter, the fittings are turned perpendicularly.

On a note! For oval trunnions, a mounting wrench is suitable.

Alignment of sashes vertically and horizontally

In order for the PVC block to stand level, you will need to set up the awnings yourself:

1. Horizontally set the end adjustments at the top and bottom. The sash is in the open position.
2. The hex key is placed with the short part in the gap.
3. By rotating the tool clockwise, they pull the sash onto the canopy, and counter-clockwise, onto the impost.
4. Vertical adjustment of windows is carried out when the sash touches the frame.
5. The long part of the hex key is inserted into the top of the canopy.
6. The bolt is rotated clockwise to raise it, counterclockwise to lower it.

Important! The maximum step is -2…+2 mm.

Eliminating drafts

To prevent blowing during the cold season, you will need to figure out how to switch the windows to winter mode. In this situation, you can change the level of downforce. The end pins are tightened with a hexagon, turning it 2-6 turns. The density will be checked with a paper sheet.

Loose fittings

If the bolts are not tightened in time, the window structure will become loose, deformed and sag. For work, use a hex wrench.

What to do if the window cannot be opened?

Before changing settings, you need to make sure the quality of the knob is turned. Most often she “does not walk” when the window is open. You will need:

• Replace the plate near the handle. The lining is pressed and, after being completely pressed against the seal, rotated;
• return the tongue to its original position. To place the element in the direction of the frame, press on it. The protrusion should move towards the seal.

Advice! If all else fails, replace the handle.

Checking the operation of the handle

The adjustment is carried out by correctly installing it in certain positions. The downward direction means closing, to the side - opening, upward - ventilation, between the top and side positions - partial ventilation.

To replace a faulty part you will need:

1. Pull the protective pad up or down.
2. Scroll the element to a horizontal position.
3. Unscrew the perpendicular screws/screws at the top and bottom.
4. Place the new handle in the same position.
5. Reinstall the plate.

Loose bolts are tightened with a screwdriver after removing the cover.

Accessories from popular brands

Brands are supplied complete with fitting systems. How to regulate it depends on the characteristics of the mechanisms of a particular brand:

• Torx - reliable and durable components that can be adjusted with a hex key or slotted screwdriver;
• Maso - large oval eccentrics are moved using pliers or a wrench;
• Roto - locking mechanisms with round heads are only suitable for certain keys.

Advice! Before starting adjustment work, check which manufacturer of double-glazed windows you have.

Adjusting Rehau windows

Products need to be adjusted due to displacement, shrinkage or poor opening of the valves. The work is carried out step by step:

1. All trunnions are found.
2. The tool is selected based on the shape of its tip.
3. The device rotates the eccentric heads by 2-3 mm to the same position.
4. The tightness of the pressure is checked by resisting a pen, a sheet of paper, or a match flame.

With the onset of cold weather, the issue of home insulation becomes more relevant than ever. Windows are the first thing that needs to be insulated, and for this, as it turns out, there is no need to reinvent the wheel.

Did you know that there is such a thing as summer and winter mode of plastic windows? If not, then the editor "So simple!" will tell you this small but very important secret!

How to switch plastic windows to winter mode

This little secret also helps you save a lot in winter. This is especially true in houses where there is no central heating, or at a time when it is already cold outside, but heat has not yet been brought into the house. Yes and saving money there won't be any extra. And this secret is that the seasonal regime in plastic windows can be changed.

© DepositPhotos

The seasonal mode of windows is an extremely useful thing, because in the summer this option allows you to relieve the pressure between the outer part of the frame and the rubber gasket, which allows air to circulate more freely. But in winter mode it works exactly the opposite - the pressure increases, the heat is retained inside.

© DepositPhotos

This is all good, but first you need to find out if your windows have the ability to change the seasonal mode. To do this, you need to look at the so-called eccentrics, in other words, the bolts on the side of the sash. If they have a hole for a hex key or they are oval in shape, then these windows can be seasonally adjusted.

Overall the trick is extremely simple. You just need to turn the bolt to the right or left 90 degrees, depending on what mode you want to switch the windows to. Do all this carefully and carefully. First, find all the bolts on the sash; their number may vary depending on the size of the window or who the manufacturer is. You need to translate every eccentric, because otherwise you won’t get the result.

To change the windowed mode, you will need a suitable tool - a screwdriver or a hex key. Pliers can also work, but we do not recommend using them, as this can damage the fragile adjustment mechanism. It’s important to understand one thing here: you don’t need to turn the bolt all the way, it simply doesn’t have it. The bolt will scroll constantly, and you need to turn it exactly 90 degrees, guided by the mark.

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If you did everything correctly, the window handle should move more tightly, because the fittings now press the sash harder. If this does not happen, something went wrong, check that you have found and turned all the bolts.

To check how hard the window is pressed, you will need a piece of paper. Press it with the flap and try to remove it. If the leaf comes out difficult, the window is switched to winter mode. Well done!

This video contains visual instructions on how to switch windows to winter mode.

Plastic windows are a very convenient and practical thing, but they also require maintenance and adjustment. Now you know how to change the seasonal window mode, but that's not all. At least once a year you need to lubricate all moving parts of the window frame with a small amount of oil. And also check how tightly the bolts are tightened. This check will take you a couple of hours, but the windows will always be like new.

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