DIY laser level repair

In detail: do-it-yourself laser level repair from a real master for the site my.housecope.com.

Repair of a laser level is usually carried out by specialized workshops, which, unfortunately, are quite rare. For this reason, many are forced to independently repair the laser level at home. It should be noted that repair of the CONDTROL laser level is a highly complex procedure that only an experienced technician can handle.

It is often more profitable to purchase a new device than to spend time searching for a workshop on the Internet and shipping equipment if the company is located in another city or country. And such situations are very common. Nevertheless, before proceeding with the repair of the laser level, it is necessary to determine the presence of a defect in the device.

The laser level must be repaired if:

Control buttons do not work, stick or stuck;
No laser beam;
During the measurement, the laser line is in the form of an arc;
The device does not turn on;
Inaccurate data is displayed;
A "wedge" appears in the suspension system of the emitters;
Incorrect vertical beam readings;
There is obvious mechanical damage.

The reasons for the breakdown can be very different, from a factory defect to the fall of the device on solid ground, a strong impact, falling into water, etc. Naturally, careful handling of the device will keep its integrity for a long time.

It should be noted right away that repairs require knowledge and experience in repairing precision electrical appliances. Otherwise, the breakdown can be aggravated. If you do not have enough experience, then it is recommended to find an appropriate workshop. The repair of the laser level should be started by identifying the defect. If the device does not turn on, then it is necessary to inspect the power source and the power button. If the laser level deteriorates from falling or falling into water, then the reason may be a defect in the motherboard.

If the instrument does not have a laser beam, the problem may be with the emitter or the power supply to it. Alas, it will be very difficult, rather impossible, to find a schematic electrical diagram for a laser level, since manufacturers usually do not publish such documents. For this reason, the repair of the electrical part should be carried out by an experienced foreman who can determine the purpose of parts and assemblies without a diagram. It should be understood that finding replacement parts will also be incredibly difficult. Usually, spare parts have to be ordered from foreign online stores.

Video (click to play).

The laser building level, or, as it is also called, the level, is used in the construction and repair work. It allows you to accurately measure the horizontal and vertical of the room.

A laser level is a device that is designed to construct various planes using laser beams.

It is a must-have tool in every professional's arsenal. But, alas, there is a need to repair the laser level. And this is already a problem, since such a device has a rather complex design, and not every breakdown can be resolved on its own.

The scope of application of such a high-tech device is quite wide. It is used by:

Scheme of creating laser planes using a level.

during breakout and installation activities related to the control and installation of all kinds of equipment;
for marking and setting directions;
for leveling ceiling surfaces and floors;
when pouring cement screed and installing adjustable floors;
for the installation of communication links, electrical wiring and even furniture sets;
when organizing partitions, walls and suspended ceiling structures;
when laying tiles;
for the construction of stairs, steps and spans.

This device is also used at home.

This popularity of the laser level can be explained by the following reasons:

The advantages of a laser level include high accuracy and ease of use.

It provides high accuracy of readings. If you use a professional grade tool, then its error in the designation of the vertical and horizontal is no more than 0.2 mm.
Ease of use. Unlike the ordinary building level, models with self-leveling systems can start working as soon as they are turned on. In addition, the operator always sees the working beam, not just its end point, as is the case with optical levels. This convenience also contributes to the fact that it is possible to immediately determine the working horizon at all points of the working platform.
There are no limits in measurements. Ordinary tools are limited in size, while a laser can target the beam at any distance until it hits an obstacle.
Does not depend on interference. If work, for example, is carried out outdoors, then even a strong wind will not knock the direction of the beam.
If we compare a laser device and an optical one, then in the first case one person can cope with it, but two workers are always needed for another analogue.
More advanced models have detectors. They help you quickly identify the location of the vertical and horizontal lines.

Such positive moments and all kinds of equipment with additional options for laser levels have led to the fact that modern construction projects have begun to be carried out much better and faster. But this also plays a negative role. Now the repair of such equipment with your own hands has become much more difficult. And therefore, if there is a need for repair intervention, then you have to turn to professionals.

Repair of the laser level is required in the following cases:

Typical laser level device.

If during work, while measuring the horizontal position of the room, a "smile" or "sad grimace" is found. In this case, the laser line will be in the form of an arc with the ends raised up or down.
There may be a glitch in the vertical beam reading that shows a significant difference from true vertical.
Sometimes there is a "wedge" in the suspension system of the emitters. This defect is indicated by the moment when the beams get stuck during position determination.
The control board is out of order. The laser level device has a board with complex microcircuits, which also has many elements. It has a large number of connectors. If any part loses its integrity, this already leads to a malfunction of the device, which will require repair.
Buttons or switches are stuck or not working. Such a malfunction may occur due to frequent use of the laser, or if excessive pressure is applied to them.
The laser level may stop working if there are cracks or dents on its case, if there is mechanical damage to the glass. Also, the tool will not be able to fully function if the controls are malfunctioning.
Emitter defective. In this case, the laser level simply will not give a beam or its color will be very weak.

Usually the laser level needs to be repaired after being dropped. In such situations, the bearings of the suspension system most often fail, and then the laser begins to show inaccurate data.

In order to find out whether the device is "lying" or is still showing correctly, it is necessary to carry out a number of actions. To begin with, the laser level is installed in one of the corners of the room.Further, it is necessary that the horizontal beam looks diagonally to the opposite corner. Using a pencil, 6 marks are made on the beam path, after which the device is rearranged to the opposite corner of the room.

The beam is aimed at the nearest angle along the marks.

Then the height is adjusted to match the marks and the beam. And now the laser level should be turned exactly 180 degrees and the beam should be directed to the opposite angle. If the edges of the beam and the previously marked marking coincide, then the device is in good working order. But if there is a difference, then there is already a need to contact a repair specialist.

Due to the fact that the device of a laser level is complex, it is better to contact optical-mechanical workshops for repair.

Alas, this technique is so complex in microcircuits that it is extremely difficult to carry out an independent repair. It is necessary to contact optical-mechanical workshops.

The only thing that you can try to fix with your own hands is to correct the sight. To do this, the case is disassembled and the antennae located on the movable head is located. The metal platform has a hole for it. It just needs to be returned to its place, as it is responsible for the accuracy of the position of the head. In all other cases, repairs can only be carried out by a professional.

In addition, so that breakdowns are carried out less often, such a technique should be properly operated. First of all, regardless of the model chosen, you should always read the user manual.

It is also necessary to know that such a device requires power supply, which can be from rechargeable batteries or batteries. They must be fully charged, otherwise the beam will disappear at the most crucial moment. Some levels have a beam adjustment function. This helps conserve battery or battery power.

In addition, in many respects the safety of the instrument is influenced by the conditions of its operation. Before choosing the required model, it is immediately worth clarifying how the tool can withstand weather conditions, because not all construction sites are of a closed type. The same foundation is usually laid outdoors.

Not everyone knows that a laser working beam is far from good for the eyes. Therefore, if initially the set did not include protective glasses, then they should be taken care of separately.

A laser level is a rather "gentle" technique, so it should be handled properly. It should not be overloaded, misused, and in no case dropped.

Repair of the laser level is carried out when various irregularities in the operation of the device appear. The laser level is called a level and is used in construction and repair work.

The laser level is indispensable in construction and repair, and malfunctions in its operation will affect the accuracy of the work.

The use of laser levels allows you to very accurately measure the horizontal and vertical during work.

The level is used by almost every construction professional. If this tool fails or defects appear in its operation, repairs are required. However, we must remember that the device has a complex design, and not every breakdown or defect can be eliminated on our own.

The scope of the laser level is very wide:

breakdown of the area and installation of equipment, which requires control of the horizontal and vertical positions;
marking and setting directions;
construction operations aimed at leveling ceiling and floor surfaces;
grouting of cement screed and installation of adjustable floors;
laying of communication links and wiring cables;
erection of partitions, walls and suspension elements;
laying tiles;
construction of stairs and flights.

Using the laser level, you can build horizontal and vertical planes with an error of up to 0.02 mm

The use of the level allows to obtain high measurement accuracy. When using a professional grade instrument, the measurement error is both vertically and horizontally no more than 0.2 mm. The device is very easy to use. Unlike conventional building levels, models of laser devices with self-leveling systems are able to perform their functions immediately after switching on. When using the device, the operator sees not only the end point, but also the working beam, which makes it easy to determine the horizon at all points of the working area.

The laser-type device has no limitations when making measurements. The use of conventional fixtures is limited by their size. In contrast to them, a laser level is able to set the beam at any distance until an obstacle appears in its path. Measurements are not affected by disturbances such as wind in an open area.

Modern instruments have special detectors that allow you to quickly determine the location of verticals and contours.

The newest units are equipped with additional options that allow you to speed up construction and repair operations and improve their quality. However, the too high complexity of the device leads to the fact that in the event of its failure, the help of a professional may be required when carrying out repairs.

The laser level may not work correctly or not display the level due to a breakdown of the mechanism

The device should be repaired in the following cases:

If in the process of work during horizontal measurements, the laser line has the shape of an arc with raised or lowered ends.
If the vertical beam of the device malfunctions, leading to a significant difference between the readings of the device and the true vertical.
In case of malfunctions in the suspension system of the emitters, which lead to jamming of the beams.
If the control board of the device fails. The laser level device in its design has a board with complex microcircuits and many other elements. The board is equipped with a large number of connectors. If any element of the board fails, the operation of the entire device is disrupted.
In case of stuck buttons and switches or their failure to work. This malfunction occurs as a result of frequent use of the device or excessive pressure on the buttons and control switches.
If the emitter malfunctions, when the level does not give a beam or the light will be very weak.

Repair of laser levels is required after dropping the device. In this case, most often, the bearings of the suspension system of the emitters fail, which leads to the issuance of incorrect indicators by the device during use.

Repair of the laser level is carried out in a specialized workshop.

You can check the correctness of the readings obtained using the laser device yourself.

For checking, the laser device is installed in one of the corners of the room. The horizontal beam is directed to the opposite corner of the room, located diagonally from the laser fixture. Next, six marks are applied with a pencil on the trajectory of the laser beam. After the procedure, the device is rearranged to the opposite corner. After rearranging the device, the beam is guided along the previously applied marks.

The height is adjusted to match the marks and the laser beam. After that, the device is rotated 180 degrees, and the beam is directed to the opposite angle. If, as a result of these actions, the edge of the beam coincides with the previously applied markings, then the unit is serviceable. If there is a mismatch, it becomes necessary to repair the tool.

It is almost impossible to repair this technique on your own, since the laser building level is a complex device, which in its design contains, in addition to the mechanical part, also the most complex electronic part. The electronic part includes circuits containing microelectronic components. For repairs, you should contact a specialized optical-mechanical workshop.

The only node that you can try to correct yourself, without contacting an electronics master, is the sight. For this purpose, the body of the device is disassembled and a tendril is located, located on the movable head of the tool. There is a hole on the metal platform of the device for this antenna. It is necessary to return the tendril to its place in this hole. This structural element is responsible for the accuracy of the position of the movable head of the device.In all other situations, the repair of the laser unit must be carried out exclusively in a specialized workshop by the hands of a professional master.To prevent damage, work with the laser level must be done carefully, especially on the street.To prevent the occurrence of damage to the device, it should be properly operated, observing certain rules.The device is powered by electricity. It is powered by rechargeable batteries or batteries. For stable operation of the device, the batteries must be fully charged. When using the tool, follow the instructions for use supplied with the device by the manufacturer.The operating conditions of the tool greatly influence the safety of the tool. Before using the device in extreme conditions, make sure that this model of laser level is capable of working in such conditions without damage. Not all laser level models are suitable for outdoor use.Failure to follow the rules for working with the device can damage the eyes, therefore, to prevent negative effects on the eyes, use special protective glasses.

demarcation of the territory, marking, assignment of directions;
determination of horizontal and vertical lines during equipment installation;
leveling the floor when pouring cement, laying tiles;
installation of walls, partitions;
installation of conductive cables;
construction of stairs.

It allows you to build horizontal and vertical planes with high measurement accuracy. If a professional level is used, its error is only 0.02 mm.

It is easy to use, and the work done with it turns out to be accurate and of high quality. When turned on, the employee sees not the end point on the opposite wall, but completely the entire light line, along which it is easy to navigate and perform work strictly in the position that is needed. Simple repair of the laser level, if necessary, can be done right during operation.

The area can be of any size - the laser beam has no length restrictions and will continue until it encounters an obstacle in its path. In addition to high precision, this is another advantage over conventional tools.

Its operation is not affected by the presence of strong winds, high temperatures or other external factors.It is equipped with electronic sensors that instantly detect the horizontal and vertical lines.

The level looks simple, but its individual parts are technically complex structures. Therefore, in most cases, it is not possible to repair the laser level on your own - this requires special equipment and professional knowledge.

Light sources are one of the main elements of the device. They have built-in laser LEDs. They are housed in a plastic case that has a protective function. It has fasteners that fix the device in the right place, and also allow you to correct the direction.

The simplest options for the laser level set the direction parallel to the body of the device, but before that it is necessary to adjust it using a conventional bubble level built into the device. Professional models are capable of launching 2 or more beams at once. They are self-adjusting, the beams are mutually oriented.

Sometimes it happens that the device does not work properly or does not output the beam at all. Repair of the laser level is carried out in the following circumstances:

when the device displays an arc instead of a horizontal line. Its ends can be either lowered or raised;
with incorrect display of the vertical line, which is noticeably different from the true vertical position;
the output of laser beams is difficult due to a breakdown of the suspension system of the emitter;
failure of the control board. It contains microcircuits and other complex elements, there is a connection with connectors. If one of them "burns out", the device will stop working;
refusal to operate or stuck buttons;
breakage of the emitter when no light is output or the luminous flux is too weak.

Repair is usually required after the device falls - in almost every such case, the structure of the emitter system breaks down. This directly affects the correctness of the level readings.

Malfunctions are detected when the laser level is checked. To do this, you need to do the following:

install it in any corner of the room;
horizontally direct the laser to the opposite corner (diagonally);
make 6 marks along the entire length along the line issued by the device;
rearrange the level to the corner where the beam was directed;
align the laser line with the marked points - it should rush to the opposite corner.

Correct operation in the vertical plane is checked in the same way. If there are deviations, the device is not working properly and repair is needed.

Complex laser equipment should be repaired by a professional using special equipment. But you can do something yourself. Minor breakage can occur when shaken or dropped, or the tripod or mounts can break if handled roughly.

If you find an inaccuracy in the readings, you can try to fix it. For this, the body is removed and the antenna is located inside the structure - it is used to adjust the laser head. It is adjusted using a regular bubble level.

Apart from the tendril, the correctness of the readings depends on the setting of the internal weight. It is located at the bottom of the structure. To get to it, you need to unscrew the plastic bolt. Under it there will be a screw with the letter “A” - this is the weight. When it rotates, the position of the emitted beams is corrected.

You can repair the case yourself - replace the glass or put a new tripod.

One of the most common causes of laser level breakdown is button malfunction. This happens when construction dust gets inside or is pressed too hard during use.

Repairing the laser level in such a situation is simple: you need to disassemble the case and solder the loose contacts in place. In this case, it is recommended to use a special solder with flux - with it the connections will hold tight.

If the buttons have stopped functioning, they can be replaced with new ones.

In case of other malfunctions, it is necessary to hand the equipment over to the hands of specialists, otherwise there is a risk of spoiling it completely. To avoid breakdowns, you need to carefully operate, transport and store. After you open the case yourself, the guarantee for the level disappears.

The laser level of the Kapro 892 fell, the “sight” was lost.

On a meter on a horizontal line, the difference is about 3 cm.

Can I repair it myself? Or where to go?

The laser level of the Kapro 892 fell, the “sight” was lost.

On a meter on a horizontal line, the difference is about 3 cm.

Can I repair it myself? Or where to go?

To be honest, I also tried to find glasses for laser levels from official suppliers before. And then I just realized that most suppliers of measuring instruments do not want to deal with service issues. Now I am doing the following. I take glass of 2 or 2.5 mm and cut out the glass of the desired shape from it. So far there have been no complaints. Here is a photo of some of the devices:

One of the demanded tools for construction and finishing works is a laser level. It's not a secret for anyone that such levels are used in order to obtain markings on the surface of walls, ceilings, floors. Continuous use of the device can lead to breakdowns. To fix the breakdown or malfunction, you will need to repair the laser level. We will find out how to do this further.

It is possible to repair the laser level in some cases, but first make sure that the warranty period for the device has expired. Warranty cases include:

If irregularities appear on the laser line during the operation of the instrument when projecting horizontal marks.
In case of violations in the suspension system of prisms, which leads to the disappearance of sections of light lines.
When vertical beams are violated, which leads to a difference between the level readings and the true readings.
If any element of the control board fails during operation. Violation of any element of the board will necessarily lead to a malfunction of the entire device.
If there is such a phenomenon as stuck buttons and switches. This leads to the fact that it is impossible to turn the device on or off, as well as to switch between different functions.
If a glowing beam does not appear when you turn on the level.

While the instrument is new, it is handled with care, but over time, with its active use, the instrument may fall or various types of corrosive substances fall on it.

A laser check may be required when there is doubt about the correct reading. To check the device, you need to place it in any corner of any room. Using a marker, mark # 1 in the corner with the device, then direct the horizontal beam to the opposite wall diagonally from the device, and put mark # 2 there. As soon as this procedure is completed, the device must be moved to the opposite corner and installed there.

Now you need to align the beam with the nearest mark # 2, and direct it to mark # 1. If the beam coincides with it, then the device can be considered serviceable, but if not, then it will need to be repaired or adjusted.

It is almost impossible to fix the laser levels yourself. The device is a complex mechanism consisting of not only mechanical but also electronic elements. For repair of the laser level, it is recommended to contact a specialized workshop.

Numerous experience of level owners shows that only such a unit as a sight can be repaired. In this case, you will need to disassemble the tool body. Inside, on the movable element, there is a tendril, which should be moved into a special hole on the metal base.In other cases, it is recommended to entrust the repairs of laser levels exclusively to specialists. After all, the device is a rather expensive device that is very easy to spoil if you try to repair it yourself.

Other faults encountered in practice are not typical and there is no need to describe them here.

Over time, each laser level needs to be adjusted or adjusted as it may fall or be subject to prolonged vibration during transport on construction sites. Of course, this does not happen often, but it still takes place.

By and large, the principle of adjusting the laser level is applicable to all models from different manufacturers, but there are exceptions, for example, adjusting a laser level with an electronic compensator is very different from adjusting a laser level with a conventional magnetic pendulum compensator.

The latter, in turn, are not regulated by everything, so household levels often do not lend themselves to such repair.

The laser level is designed to determine the horizontal and vertical lines and planes in the construction of building structures and finishing. With this device, the geometry of the element can be observed with great accuracy. This is important for the strength and durability of the facility being built. But it is not always possible to purchase an industrial device. However, a skilled craftsman is able to create a laser level with his own hands. Let's consider how to do this, and whether a broken level can be repaired at home.

LEDs are installed in the body of this instrument, which are sources of laser radiation. With the help of a bright glowing line, you can mark any object both horizontally and vertically. Moreover, one person can easily cope with this work.

Prism instruments create a linear ray projection. When the luminous line collides with an obstacle, the device captures the data and shows the required marking. Such levels are equipped with an auto-leveling system, which is necessary to compensate for errors up to 6 °. The projection angle of the laser beam does not exceed 120 °.

The prismatic laser level has a short beam range - on average, from 10 to 50 m.

Prism laser level produces horizontal and vertical planes intersecting at right angles

Rotary devices are classified as professional instruments. They are equipped with point laser devices, but not fixed ones, but rotating at an adjustable frequency. Designed for marking on very large areas, for example on a construction site. The rotary level can project a plane 360 °.

Rotary levels are distinguished by a longer range of the laser beam - from 200 to 500 m.

By installing a rotary level in the middle of the room, you can mark all the necessary points around the entire perimeter

The point level has the simplest structure: the laser device is clearly fixed, and behind it is only a focusing lens. It directs the light flux to one point. Set up the device manually. Such levels are equipped with one or more lasers. In the latter case, they are directed in different directions, which makes it possible to transfer markings from several planes - walls, floor and ceiling of a large area. The projection angle of the laser beam does not exceed 160 °.

The working range of the point level is from 15 to 50 m, depending on the model.

The compact and versatile point laser is designed for any leveling work at short distances

The purpose of laser devices is varied. They are necessary for the following types of work:

breakdown of the territory and installation of equipment with control of the horizontal and vertical position;
marking and direction determination;
surface leveling of the floor, walls and ceiling;
arrangement of a concrete screed and assembly of floors with an adjustable level;
carrying out communication highways;
installation of bulkheads and hanging accessories;
installation of staircases.

In the latter case, such an ability of the device as marking inclined planes is used. For example, you need to mount a railings on a flight of stairs.Having fixed the level with a laser on it, it is easier to install the railing parallel to the march.

You can understand how to use the level using the example of common construction and repair work.

When carrying out such work, additional control marks will be needed. Then the laser beam is directed along the plane. The laser is rearranged according to the marks for a more accurate determination of the evenness of surfaces.

When using a laser level and obtaining the same data, the floor is completely flat

For such work, it is better to take a device with the function of cross-projection of rays in the horizontal and vertical. Thanks to them, even a novice master will be able to flawlessly lay out the tiles.

The intersection of the level lines is exposed to the center of the proposed tile joints

The gluing process itself is quite easy, but using a level makes the work flow even easier. Focusing on the laser beam projected onto the wall, it is much more convenient to align the wallpaper.

Horizontal projection will contribute to the correct gluing of fillets and borders

Even in the presence of even walls in the house, which is quite an infrequent phenomenon, the interior can be spoiled by crookedly hung cabinets, shelves and other hanging accessories. And with the help of a laser creating a circular level line, you will immediately see how to install hanging furniture without distortions.

The horizontal beam of the laser level will help with the installation of curtain rods

The plane builder simplifies this process. To determine the exact placement of plasterboard walls and partition elements, you will need to install the laser so that its projection onto the floor, walls and ceiling is a mark for the intended partition.

When installing a metal frame under a plasterboard wall, the laser level is installed on the floor, the beam is directed upward so that it marks the profile installation line

A simple device can be used outdoors only in cloudy weather or at dusk.

If a lot of external work is expected (digging trenches, conducting communication highways, making a foundation), it is better to get a professional plane builder with a beam visible in sunlight.

The idea of a laser level with your own hands is quite simple - the pointer is mounted on a movable platform. The use of such a mechanism allows marking by turning it at one level through 360 °.

In addition to the laser pointer, the following materials are required:

glue;
metal files;
jigsaw;
a piece of corrugated plastic (for example, a headlight from a bicycle).

You can make a laser level with your own hands from a pointer in just an hour:

Let's improve the pointer. Saw off its tip, leaving the threaded part.

Laser pointer emits a point

If you pass the pointer beam through corrugated plastic, you get a line

The place where the parts are glued can be additionally coated with cold welding and turned

The imperfection of this version of the level is its one-sided mobility - only horizontally.

The laser level must be fixed perpendicular to the plane

If you need to apply markings not only horizontally, but also vertically, you can try to mount a more advanced device:

A hole is drilled in a wooden post so that a long groove is obtained (or a ready-made plastic tube is taken). A pin, bolt or self-tapping screw is inserted into the hole in the center and fixed. The hardware is placed with the head down and secured with an adhesive.
A wide articulated fork is mounted on the pin. To prevent it from loosening and scrolling, a rubber gasket is installed between it and the rack. A base made of plastic or wood is placed in the plug. A screw fastener passes through it, fixing the workpiece on both sides of the fork.
The building level and an improved pointer are fixed on the base.

This type of assembly allows the device to change the position of the laser in the vertical direction. If you are smart and choose the right fork, you can actually assemble a device with a vertical rotation of 270 °.

It should be borne in mind that the larger the size of the fork, the wider the workpiece will be required to create a stable position.

This device is collapsible. For the stability of the base, you will need to find a fork with a hinge part of the desired section.

If there is no suitable plug, you can make it yourself from a durable metal-plastic ring of the desired section.

You will need to drill three holes: two on the sides, opposite each other, and the third exactly in the center between the two future "teeth" of the fork. Then the ring is trimmed to form a semicircle with three holes.

A home-made laser can be modified: screw an ordinary nut or "wing" onto the mounting screw, which allows you to quickly loosen and fix the base, as well as change the direction of the laser up or down.

After assembling a homemade device, you need to adjust the laser level yourself. It is necessary to check it - to calibrate for the accuracy of measurements. An additional bubble level is required to run the test. Calibration is carried out as follows:

The device is placed in the center of the room and marks are made on the opposite walls at the point of intersection of the planes.

The level is transferred to one of the walls at a distance of about half a meter, another mark is made above or below the first.

The device is turned to the opposite wall, a mark is placed.

The distance between the marks on both walls is measured and the error is calculated.

For example, the difference between the marks on the first wall is 4 mm, and on the second - 3 mm. As a result, the error is 1 mm. If it is more, then the device requires adjustment.The self-assembled measuring device can be placed on a tripod or an adjustable pedestal, which will give the product convenience and functionalityTo calibrate the vertical, mark two points in the vertical plane and check the marks against the bubble level. If no deviations are noticed, then the plane builder is ready to work. If there is a discrepancy in the readings, the homemade laser device is adjusted by changing the location of the platform or articulated fork.Due to the failure of the laser mechanism, it may show an incorrect level or not work at all.Homemade device needs repair:

in case of diode breakdowns;

when buttons and switches stick or fail;

if the emitter malfunctions, when the laser does not shine or the beam is very dim.

Most often, repair of laser levels is required after the device has dropped. At the same time, the settings are lost, which leads to the issuance of incorrect indicators by the device.If repair of a homemade laser is required, it is necessary to disassemble the device and reassemble it. If the problem is with the pointer, it is easier to replace it with a new one.In order to avoid repairing a homemade laser level, it is important to be careful when working with it, especially on the street.

Video (click to play).

To build flat planes on large-scale construction sites, industrial levels with a large working range have been created. For minor repairs, you can make a laser level with your own hands.