Electric Purfsional Electric. Choosing an electrician

5th April 2023

Do.it.yourself electrolobian repair mechanism for holding the canvas

Among the manual tools used in the household, the most popular is an electrician. This is a device with an electric drive designed to obtain a curvilinear cut. Demand defines the proposal. The power tool market is represented by a wide line of household and professional models from domestic and foreign manufacturers. Any equipment requires technical care and repair if necessary.

With examples of real breakdowns and methods for their elimination, presented in this article, the user learns about the repair of electrician from different manufacturers in general.

The device of jigsaws with an electric drive and their malfunctions

The design of electrolobsics of different firms is not much different. It consists of a case, sole, sawy canvas, a cutting tool, a gearbox and an electric motor, setting in motion the working organ of the tool.

The difference in the models of a manufacturer lies in the constructive features of some components. It is natural that the malfunctions and the causes of their occurrence are also identical.

Knowing the most common failures of power tools and preventive measures to prevent them will help both a novice master and an experienced professional.

Among the characteristic failures of lobe with an electric drive, one can distinguish:

The curvature of sawing.
Changing the shape or destruction of the support roller.
Damage to the cutting tool mounting.
Damage to the gear wheels of the gearbox.
Destruction or curvature of the support rod.
Denting of teeth on the tsang of the jigsaw.
Early wear of the worm transmission of the anchor.

DIY repair bosch

Details: Bosch jigsaw do.it.yourself repair from a real master for Olenord.com.

Among the manual tools used in the household, the most popular is an electrician. This is a device with an electric drive designed to obtain a curvilinear cut.

Demand defines the proposal. The power tool market is represented by a wide line of household and professional models from domestic and foreign manufacturers. Any equipment requires technical care and repair if necessary.

With examples of real breakdowns and methods for their elimination, presented in this article, the user learns about the repair of electrician from different manufacturers in general.

The difference in the models of a manufacturer lies in the constructive features of some components. It is natural that the malfunctions and the causes of their occurrence are also identical.

Knowing the most common failures of power tools and preventive measures to prevent them will help both a novice master and an experienced professional.

Among the characteristic failures of lobe with an electric drive, one can distinguish:

The curvature of sawing.
Changing the shape or destruction of the support roller.
Damage to the cutting tool mounting.
Damage to the gear wheels of the gearbox.
Destruction or curvature of the support rod.
Denting of teeth on the tsang of the jigsaw.
Early wear of the worm transmission of the anchor.

Electrician is designed to perform black curved cuts, therefore it is not worth talking about the ideality of sawing. Although in models of a hand tool from different manufacturers this indicator is also different. Using cheap models, they do not pay much attention to this, and the cut is completely curved. You need to deal with this in service centers, but you can try to get rid of curvature at home.

A support roller can break when using sawy paintings of poor quality or a blunt tool. The use of a cutting tool in the inappropriate load mode. The result may be jamming or sawing the support roller.

In order to avoid such a problem, you need to use well-sharpened cutting canvases of permissible quality, observing the optimal cutting modes and following the recommendations of the manufacturer.

As a rule, almost all electrolobsics models are equipped with a node. This simplifies the process of changing the cutting tool. But the operation of the mechanism in conditions of constant dusting leads to a wood chips, and this leads to the failure of the device.

In order to exclude the breakdown of the node, it must be constantly cleaned of dust and lubricated with a special composition like WD-40. During operation, it is necessary to use a vacuum cleaner by connecting it to the tool.

The failure of the elements of the gearbox is a consequence of falling through ventilation openings of wood dust. Here, as in the previous case, you can not do without a vacuum cleaner.

Damage or bending of the supporting rod occurs in the process of inaccurate use of the power tool. This can happen when it falls or uninhabited collision of the electric power clinic, directly supporting rod with protruding elements of the processed surfaces.

The destruction of the tooth on the tsang of a jigsaw with an electric drive can occur only due to the fault of the performer. This leads to an attempt to tighten the inattention, not fully inserted cutting canvas.

The worm transmission of the anchor will not last long, if you start the cutting process before the engine engine output to the optimal power. To extend the service life of the mechanism, you should not start work until the total engine speed is reached.

It is worth paying attention to the Interskol Electrician Electric Production. It is released in Izhevsk. For household use, this is a completely acceptable option. He has many positive qualities, and the most impressive is low cost. But there are shortcomings.

This is a curvature of sawing. What is the problem, and is it possible to get rid of it? The guilt of everything was a fast.removable mount of the file. The fact is that it is designed for a saw canvas of maximum thickness. The entire cutting tool of smaller thickness in the mount just dangles.

How to get out of this situation? It is necessary to replace a quick.removable mount with a simple device with conventional bolts. It is easy to make it. You need to take a square rod, cut off two blanks, drill holes in them and connect with two bolts M5 with nuts. The procedure for fastening the saw canvas will be somewhat complicated, but the tool will give an even cut.

BOSS LIFE. RUNNING AN ELECTRICAL CONTRACTING BUSINESS. Electrician Life

In addition, you can finalize the design of the tool and limit the movement of the file in the transverse plane.

Take leaf aluminum and cut the plate according to the size of the sole of the electrician;
In the front of the workpiece, it is necessary to make a neckline in size of the working area of the cutting tool. Treat all the edges with a file, make a bevel on the internal longitudinal edges of the cut;
From a plexiglass, you need to cut the plate according to the size of the working area of the saw blade. Process all sharp edges with a file, and make reverse bevels on the external longitudinal edges;
The aluminum plate must be placed under its installation on the sole of the electrician. Drill holes and make chamfers for installing the mounting screws with a secret head;
A piece of plexiglass must be inserted into an aluminum plate, after making a cut at the place of its position.

Types of faults

Prolonged or improper operation of the tool may be most likely to cause its breakdown. The device malfunction appears as a result of excessive contamination, wear of the parts of the mechanism or the location of the electric motor. Repair of an electrician, depending on the characteristics of the breakdown, reduces to cleaning and lubricating the elements, or their complete replacement. Below, we will consider the most common types of breakdowns.

Mechanical malfunctions

This category includes pollution, wear or complete breakdown of the details of the mechanism. The tool engine works, but get the required cut, does not go out. The causes of mechanical breakdowns requiring the repair of electrolobsics can be several. Here are the most typical of them.The jigsaw saws crookedly

Significant leading the fork canvas away from the intended line is often associated with the file mounting mechanism or rod. The reason for this may be strong pollution of parts or their wear. To correct the situation, it is necessary to remove the details, clean them with a rag and collect them back. If the problem remains, the rod or fastener should be replaced.

Strong vibration and noise strange sounds that are uncharacteristic for a working power tool usually come from a faulty gearbox. This may be due to the lack of lubrication, contamination or breakdown of gear toe of gear. To clarify the exact cause, and its further elimination, it is necessary to remove the lateral part of the body and visually inspect the mechanism for the presence of the above problems. In case of breakdown, the mechanism should be replaced with a similar.

Regular tremors of the tool during operation can be associated with a pendulum mechanism or rod. The reason for this is mainly damage to the details, and in rare cases, their severe pollution. To repair a jigsaw with such a malfunction, it should be disassembled, identified by a faulty node and replaced with a similar. If there is no obvious damage, you should completely clean and grease all the details.

Engine malfunctions

Oddly enough, the numerous breakdowns of an electrician, arise not only on mobile details interacting with each other. Very often the device ceases to function (partially or completely) due to the fault of spoiled electronics. To identify such malfunctions, a special device “multimeter” is required, which determines the characteristics of the current in the device circuit. It is necessary for complete diagnosis, although some problems can be identified without it.

The jigsaw does not turn on the complete absence of the life of the tool is due to the lack of contact of the engine with the network. The reasons for such trouble lies in the wiring or launch button. To identify a malfunction, you need to completely inspect, and it is better to ring the tool cable and internal wiring. The operability of the button is checked by connecting the wiring directly to the motor. If, when included in the network, the tool works, then the problem is in it. Faulty contact should be replaced.

At first glance, the instrument does not cope with the once simple tasks and slows down even on the materials of a small thickness. Significant power loss is associated with engine damage. Anchor for a jigsaw, due to a short circuit, does not create a sufficient impulse of rotation, creating the illusion of work. Usually the tool with such a breakdown sparkles and makes a characteristic smell of Gary. To accurately determine the place of short circuit, parts of the stator and rotor of the motor are alternately nicknamed the multimeter. The solution is the replacement of the damaged part or motor of the entire.

Gary floating turns and smell when working, the tool periodically leaves his strength, reducing its power and accompanying all this by the smell of Gary, it is worth paying attention to its wiring. To identify weak contact, it is necessary to remove the body cover and visually inspect all the wires and their compounds for the presence of defects. It is better to do this with a multimeter, paying attention to the start button and winding of the electric motor. To restore the integrity of the chain, you should replace the conductors or clean the charred contacts.

The abundant formation of sparks that occurs in the collector area during the operation of the tool can be associated not only with engine malfunction, but also with a defect in graphite brushes. In the modern world, this component is one of the most commonly replaced parts in the repair of equipment, so many electrolobsics have special grooves for quick and convenient removal. You can replace yourself. It is enough to disconnect the old brushes from the contacts and connect new.

Electrician Fiolent: The main reasons for the refusal

Consider another budget version of the electrician. the Crimean Fiolent. This is a completely acceptable model both in price and in quality. Two problems arise in the operation of an electrician. This is a possible failure of the rod in the course of incorrect handling of the tool and insufficient or illiterate lubricant.

Replacing the rod

In the first case, in order to avoid this breakdown, it is enough to carefully and carefully handle the tool. But if this happened, you will have to replace the damaged rod. For this you need:

Remove the lid of the case by unscrewing 4 screws.
Remove a rectangular shape from a rod and holding guides.
Twist 4 bolts and dismantle the mechanism cover. There is a flywheel and a rod directly under it.
Unscrew 2 screws, remove the lower and upper stem holders. The latter with the spring, so you need to remove it carefully.
Destroy the destroyed rod.
Lubricate the flywheel and eccentric with a special lubricant for gearboxes.
Put guide washers on a new rod and install in place.
In the bottom of the rod, fix the holder of the saw blade.
Install the upper and lower holder, fasten the cover of the mechanism and put the washers and holding the guides.
Insert a cutting tool and test the jigsaw at idle and under load. If the check has not revealed deviations, install the case cover.

Lubrication of the tool

In the second case, everything is much more serious. It would seem that it is complicated in lubrication? But due to the fact that the tool is constantly working in extreme conditions, it can not be avoided by wood dust, you have to carry out service work on the intensity of operation, but at least once a year.

Lubricate all mating parts and nodes. To do this, disassemble the electrician. But if in the first case, for example, you limited yourself only to dismantle the rod, now we disassemble the tool completely and grind all the rubbing surfaces of the parts.

For lubrication, the manufacturer offers Litol 24, but he will not work in the gearbox, due to its thick consistency, so it is usually lubricated with oils. You can combine Litol 24 with graphite.containing grease Feol 2u in a ratio of 3: 1.

Design refinement

However, it should be noted that now the fluidity of the lubricant mixture is higher, and after some development, it will begin to get into the engine rotor. The reason for this is the left.sided transmission. When the rotor rotates, the lubricant is captured by teeth and is supplied to the rotor as a screw. The oil chipper installed inside the electric motor body does not perform its functions. Theoretically, he must discard the incoming mixture, but in practice this does not happen. This is a certificate of imperfection of the design proposed by the manufacturer.

To avoid this problem, you need to do some refinement. precisely, put the oil chopping oil not inside, but outside the electric motor body. At the same time, so that the oil chopping snail works and discards oil, it is turned over.

Another nuance. The diameter of the landing hole is Ø 9 mm, and the diameter of the outer part of the oil chip Ø 9.2 mm. it will perfectly block the passage for the lubricant mixture. But when installing it, you need to attach a certain force and a nozzle in the form of a pipe of a suitable size.

In addition, it is advisable to install a dustproof washer on the rear bearing of the anchor. She will protect him from wood dust and extend the service life.

After that, it is necessary to collect a lubricated jigsaw and test it for performance. After operating 10 hours, you need to check the tool for lubricant entering the electric motor body. If everything is done correctly, then such an option is excluded.

Models

The current range of products of the company includes medium and high power models.

PM3-600E is the cheapest option with a capacity of 600 watts, which allows you to reach the cutting speed of 2600 moves/min. Such characteristics allow him to carry out a cut on steel to a depth of 10 mm. Maximum wood sawing depth. 85 mm.
PM3-650E-Tool with up to 650 W. Starting with this model, all the jigsaws are equipped with a guide roller, which increases the accuracy of processing.
PM4-700E is an option with a power of 700 watts, which allows you to cut wood to a depth of 110 mm.
PM5-720E-increased up to 720 W power and speed up to 2800 moves/min allow to saw wood up to 115 mm.
PM5-750E-the most powerful option (750 W).

How does it work?

The swinging mode allows you to increase the efficiency of cutting chips from cuts and is intended only for soft materials. for example, wood and plastic. When processing solid wood and soft metal, it is advisable to reduce the intensity of swinging. In the case of cutting on ceramics and steel, the pendulum course must be completely turned off. otherwise the jamming or rupture of the canvas is possible.

A special plastic lining, which is included in the completion of all models of electrical jigsaws “Fiolent” will help to avoid the appearance of black stripes on the processed material left by steel sole. Unfortunately, this element does not differ in reliability, so install it only when performing responsible work, and not for black cuts.

When disassembling the tool, pay special attention to the circuit connection diagram of the switch wires. The speed control at the expense of the pressure of pressure leads to the need to use a rather complicated connection, so before dismantling this node, be sure to read the principal electrical circuit of the device and mark the desired wires using a marker or island.

Before assembly, be sure to clean all the details of the tool from pollution and add a new grease to the nodes requiring this.

Used in the PM3-600E and PM3-650E models with a diameter of 32 mm in case of breakdown can be replaced with a similar part from the jigsaws of other manufacturers-for example, “Vityaz” or “Uralmash”. The main thing is that there are exactly 5 teeth on its shank.

Frequent malfunctions

Like any mechanism, various malfunctions can occur in an electrician:

a worm gear, which is anchored;
The canvas jumps or falls when sawing;
The clamp does not work, the file does not hold;

The nature of the work of an electrician is cutting cuts of cuts. Curvature can be different, so there are also their indicators here. A large load with such work falls on the main support video, which often becomes unusable. So that it does not come out of the system, it is recommended to observe all operating modes.

Mechanisms often fail when mechanical microparticles get on dynamic elements. Timely preventive examination and cleaning of the internal nodes of the device should be carried out without fail. It is necessary to wash off the unit with a special composition WD-40. It is also useful to use a vacuum cleaner to clean the power tool: the cause of the gearbox breakdown can be if dust falls on it.

Slop the rod is most often during mechanical damage.

Tolean breaking on the ziang also most often happens due to the fault of the master. This happens if you fix the working canvas too much.

Worm gear does not withstand loads if you “drive” the tool on the fast and.

It is recommended to start work after a slight heating of the engine at idle.

If you do not follow the recommendations, then such malfunctions arise:

Also a rather frequent breakdown is the abrasion of brushes, which is easy to replace. Preventive cleaning of working nodes is a necessary thing. It should also be regularly lubric.

Another common fault is a breakdown of the holder, which is why the canvas falls.

Often the fastening of the jigsaw loses stiffness, as a result of which the backlash appears, which affects the quality of work. It is almost impossible to repair clamps. they have to be changed.

Some unscrupulous manufacturers make bolt fasteners made of fragile materials. Such cheap alloys are broken at the slightest load and are extremely short.lived. you have to change the “native” bolts for fasteners made of strong steel.

The more complicated the design, the more often the breakdown is possible. Modern gadgets with which manufacturers “eat” the tool provide a bad service. Often they are the cause of electrical breakdowns.

For example, the standard function of feeding the canvas (it exists in almost all models) significantly helps in work, reducing the voltage to the hands of the employee. However, the presence of such a mechanism leads to a large wear of individual units of the unit, such as:

Another example can be given when too much load appears, which can be caused by the physical effect of an inexperienced employee: if the model is not too expensive, then, as a rule, a fragile holder can break the file in it.

A support video can suddenly “freeze”. The reasons may be as follows:

To change the video, you need to dismantle the micropilia, put out the case, unwinding the bolts. Put the video from the niche and put “fresh”. You can do this operation yourself. it is simple.

If a protection that protects against overheating of the unit is triggered, then there may be several reasons, for example, a duct clogged with dust, which does not allow the engine to fully cool. You should, taking a brush or an old toothbrush, clean the grid sections. You can also use such “tools” for cleaning:

To protect the electric motor from overheating, there is a thermal protection. It can work due to pollution of the air intake gratings with dust and sawdust. Clean the lattices, let the electrician cool down a little. After a while, the thermal switch will turn on automatically.

Mechanical problems

The difficulties that occur during the long.term operation of the electrician can be divided into planned and emergency. The first refers, first of all, the normal wear of the graphite brushes of the engine. To emergency. the most diverse breakdowns of the instrument nodes or their parts. Consider some typical cases.

The saw leads to the side, the fishing line for the trimmer cut is not straight

Most often, such a problem occurs in inexperienced users. They violate two basic rules of work. The first is obvious. The saw should be acute, have a tooth configuration corresponding to the material, correctly fixed in the clamp. Not everyone knows the second rule of work. Electrician body should be located in the direction of the cut. Similarly, efforts are applied for its progressive movement. And the latter ideally should be minimal. That is, you can’t crush the tool. A straight line for a trimmer and an angle of 90 degrees between the cut planes will turn out by itself, if the saw will manage to remove the processed material without effort.

There are also mechanical reasons for the deviation of the saw. It is necessary to check the back of the support roller. If it is significant, the detail or knot is completely replaced. Also examined the saw fixation unit on the stem. He must bring the last close to the support roller, withstand the perpendicularity of the canvas to its axis.

If the saw takes to the side, it is worth checking the support roller

The most serious problem is the wear of the rod or the limiters of its horizontal displacement. You can determine damage to parts only after disassembling the case. If the removal of pollution in the pendulum block does not solve the problem, the rod must be replaced.

Vibration and noise

If the tool is difficult to hold in your hands, it is abnormally noisy. you should start inspection from the worm transmission unit. This is a large gear or connecting rod of a pendulum mechanism, a sleeve with spiral protrusions on the engine shaft. Vibrations and noise appear with a chip of teeth or excessive accumulation of dirt mixed with old grease. If there are no visible damage on the elements of worm gear, perhaps the tool needs cleaning and lubrication.

Sharp shocks

When the jigsaw literally hits the hand in the palm of the palm of his hand, this is a clear indication of problems with the pendulum knot. The reason is most likely damaged worm gear. Rarely beating occurs due to strains deformations. And even less often due to the accumulation of dirt. However, the latter must be removed first. Especially on the mechanism of worm transmission.

Pollution in the worm transmission unit can cause tool malfunctions

Malfunctions of the holder of the canvas

Many modern electrician are equipped with bells and grounds, which are their weaknesses. For example, some models often require repairing a file, due to the presence of such functions.

Fast clamp, which does everything for the owner of the tool: just take the lever, place the canvas and work. Over time, the structure is spanning, the details of the fastening are unusable. Unfortunately, most of these clamps cannot be repaired, their complete replacement is provided for.
Lightened screw mount. a real problem of owners of cheap and medium.wing tools. A stem nozzle made of fragile alloys has low strength, split, bolts break up seats. Repair consists only in the artisanal manufacture of the corresponding product made of strong steel, since each line of cheap tool often has its own configuration of the file holder.

If the jigsaw has a classic screw fastening of the file, then it will not be difficult to carry out its repair. This is a strong and time.tested design, you can use bolts under a cross screwdriver or key. Cloud blocks. standard, finding a replacement of an extremely worn part will not be difficult. There is a problem of threading, but in this case you can cut a new.

Device

Electricity is a tool that is suitable for working with a variety of materials:

The universality of the use of this wonderful tool allows you to perform complex integrated work that another tool is not able to do. Saw canvases are actively involved during operation, they are subjected to considerable mechanical loads, after some period of time they fail.

The mechanism of the jigsaw also experiences heavy loads. If such an unit is used regularly, then you should know its layout how it works.

The principle of the device of this unit is simple, its main blocks are:

Air cooler, speed adjustment, pendulum movement. these are all auxiliary elements of retention, which provide duration and performance of work.

In some models, an electric jigsaw is provided with a separate starting button, which can also adjust the frequency of torque.

From the point of view of transformation of electric energy, the following process occurs:

The electric impulse, entering the tool, passes to the brushes (they are made of graphite), which ensures the appearance of a rotational moment on the rotor;
The rotation pulse is transmitted to the gearbox. a node that transforms torque into the progressive movement, which is directed to the stem.

In this scheme, a special role is given to the fastener, which provides a reliable connection of the rod with the moving canvas.

As you can see, the principle of electrolobian device is one for all models. The difference is present only as an assembly, fitting of nodes, materials.

Knowing the “general canvas” and the algorithm of the work of elements, it is easy to understand what breakdowns and malfunctions can occur, as well as find out the reasons why they arise.

Frequent malfunctions

Like any mechanism, various malfunctions can occur in an electrician:

a worm gear, which is anchored;
The canvas jumps or falls when sawing;
The clamp does not work, the file does not hold;