How to change the brushes to the angular grinder Interskol

If the need arises, when leaving the start button exit, you can feed the food directly on two network wires, leaving from it inside the corner grinder. In this case, the capacitor, which carries the main function, like the sparking during the operation of the brushes, will also not be involved in the work. And this despite the fact that when turning on/off the fork from the outlet, transition processes will intensify and increase the trends to the formation of sparks.

Typically, along with the button, the electronic supply circuit works, which eliminates a sharp increase in current when starting, it makes work with a corner grinder convenient and safe. It is clear that in this mode of operation the corner grinder will quickly fail. It is better to replace or, if possible, repair the start button.

How to independently change the worn brushes to a corner grinder

After a certain time, work on the grinder wears out brushes to such an extent that they simply stop reaching the collector. In this case, their replacement is required. However, not every master knows how to properly carry out the repairs of the corner grinder.

In this review, the author talks in detail about the process of assembling/disassembling corner grinders and replacing worn brushes with new ones, and is also divided by useful tips that will come in handy during the repair of corner grinder.

And before proceeding with the disassembly of the corner grinder, it is necessary to get the brushes from your “landing” places. In some models, an angular grinder to change the brushes, you need to disassemble the case.

But even if you have a corner grinder, in which the replacement of the brushes can be performed without disassembly, it is still better to disassemble it to see the condition of the collector.

change, brushes, corner, grinder

Step.By.Step process of independent replacement of brushes

After the corner of the corner grinder is dismantled and the electric motor was taken out, it is necessary to conduct a visual inspection of the wiring for the detection of damage, and you need to pay attention to the tracks.

The paths should not be burnt, and there should not be dust in the gaps between them. If there is dust, then it needs to be removed. Also, paths should not be strongly worn out. However, the minimum production is allowed.

If necessary, the tracks can be cleaned with fine.Grained sandpaper. It will also be necessary to inspect the inside of the corner grinder body. Wires should not have damage.

If a lot of dust has accumulated during the work of the corner grinder, then it must be removed with a brush, and it is good to blow the body from the inside.

If everything is in order, then it remains only to check the bearings. They should sit tight. Minimum backlash is allowed. And after that you can start assembling an angular grinder in the reverse sequence and installing new brushes.

change, brushes, corner, grinder

Here, in principle, and all the main nuances that are worth paying attention to. But in order for the repair of corner grinder to be complete, it will also not be superfluous to check the condition of the parts that are inside the gearbox body. If necessary, you need to replace the lubricant.

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Useful advice with unscheduled repair of corner grinders

Many people wonder what to do if in the store it was not possible to find exactly the same brushes as they were installed in the corner grinder. You can just buy more brushes (1 mm difference is normal), and hide them to the desired size.

To perform this operation as accurately as possible, you will need to make a simple adaptation. On a piece of wood-brown slab, plywood (or other flat surface) using bilateral tape you need to fix the brush. In the corners, the master twists four self.Tapping screws, taking off their hats below the surface of the brush by 0.5 mm.

In this case, hats of self.Tapping screws act as lighthouses. After that, using sandpaper, excess graphite must be removed with sandpaper. If you grind the brush by eye, then the surface can turn out uneven, which is undesirable.

In detail about how to independently change the worn brushes for a corner grinder, you can watch in the video on our website.

The most elementary way, without disassembling the case

Some manufacturers approached the possibility of replacing brushes very rationally. In the case of the machine there are threaded traffic jams. And the whole process of checking or “repair” takes two minutes (for both graphite contacts):

  • Dill out the plug with a screw.
  • Put a thin screwdriver with a thin screwdriver and remove the brush.
  • If the brush compared to the new one lost 70. 80 % of the length, then it should be replaced. Otherwise, the old graphite contact must be made by the same side as it was before extracting to exclude the process of grinding. After all, brushes wear out unevenly due to the fact that they come into contact with a rotating cylindrical surface.
  • Plunge the cork. Attention! The cork can be screwed up and upside down. Therefore, you need to make sure that there is a groove under the screwdriver on top. Otherwise, there will be difficulties in the next toleration.
  • Repeat all actions with a brush located on the back of the corner of the corner grinder.

This is the easiest way to replace the brushes in a corner grinder that does not provide for disassembling the case. Therefore, when buying a new tool, this nuance can be taken into account.

How to clean

The state of the collector significantly affects the life of the brushes, significantly reduces sparking, which will force a corner grinder to work on parameters close to nominal. Why is it necessary to clean it regularly.

One of the options for cleaning the collector is shown below. Both consumables and tools are available:

Elevator paper with abrasive numbers one thousand and 2000; A felt circle with a cylindrical rod; Screwdriver or drill; Stick goi; Needle; File; Little brush.

Important: do not forget to remove the chamfers on the lamella, in fact, why is you need a file

How to repair an electric screwdriver gearbox

The tool gearbox consists of a case in which its working elements are located. For example:

Depending on the manufacturer and model of the device, its internal elements can be made of metal or plastic. The first option provides a long period of their operation and the reliability of the tool.

Disassemble the gearbox

The housing of household models of electric screwdriver is made of plastic, and professional steel is made. After dismantling the metal plate, we get access to the inside of the gearbox: teeth and gear crown. If the crown has no defects, it is enough to clean it and grease.

Now it’s time to start examining the external crown, the inside of which is equipped with teeth around the perimeter. The efficiency of the gearbox depends on their state. If the teeth are erased, it is not possible to replace them with new ones. But there is a way out of the situation.

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Drill holes in the gearbox body

First you need to take the smallest drill in diameter and drill 4 holes in the gearbox body

It is important to pay attention to the fact that the holes should be located in the very center of the tooth location

Screw the bolts instead of new teeth

In place of worn teeth, you can install bolts suitable in diameter. Each bolt is neatly screwed into a hole pre.Drilled in the housing.

Use the drill

The heads of the installed bolts do not have the necessary geometric shape. In order to correct the situation, you can use the drill. With its help, neatly trim the heads and legs of the bolts, giving them the necessary shape.

When working with drill, it is important to perform short and smooth movements. Otherwise, the possibility of overheating of the plastic body of the gearbox is not excluded, which will lead to its melting

Collect a gearbox

Before proceeding with the assembly of the gearbox, experts recommend checking the correct installation of new teeth. To do this, take a napphil and cleanse the surface of each gearbox erased tooth. If this is not done, the crown can sit in the groove of the case not tightly or will scroll.

Then a metal crown is inserted into the case. If he does not scroll and sits tightly, all operations meanly meanly were performed correctly and you can continue to collect the gearbox. At the same time, do not forget about the mandatory lubrication of all the working elements of the gearbox.

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Mechanical malfunctions of the angular grinder Interskol

Of the mechanical malfunctions in the Interskol Bulgarians, a gearbox remains a weak place. The gear used in the gearbox wear out over time, teeth are destroyed, play appears in the compounds.

Repair of the angular grinding gearbox Intersterskol angular grinding grinder 125

In order to repair the angular grinding gearbox Interskol, it is necessary to establish the nature of the malfunction. Most of the mechanical malfunctions of the gearbox are determined visually, or by ear. A large beating of the spindle shaft, jamming or turning the gears of the gearbox are determined by a simple inspection of the state of the spindle shaft. And increased noise during the reducer, uncharacteristic sounds, overheating can be determined by ear or by touching the body with the hand.

For disassembling the gearbox, you need to promote (4) four screws M4 × 14 pos.11, Remove the Graceful Wasis Du-B-000er pos.12, pull the lid of the gearbox pos.Thirteen. It will have an mounted spindle pos.Ten. The spindle is mounted in the bearing pos.Fourteen. The bearing size is 6201-2rz. Russian analogue 180201.

To extinguish the spindle from the bearing housing, you need to use the press. But you can carefully knock out and hammer. The main thing is not to damage the lid of the gearbox body.

Tough conical wheel.16 is kept on a key connection and fixed with a locking ring pos.17. As a gap in the Interskol corner grinder, an angular grinder 125/900 is used with a 3 mm diameter of 3 mm. If you remove the locking ring, then it is not difficult to remove the gear. In other models of the Interskol Bulgarian, an angular grinder 125 uses a key.

Remove the gears and look at them for licking teeth, destruction or snacking, the presence of a backlash in a key joint.

Repair of the angular grinding gearbox Intersterskol angular grinding grinder 230

To disassemble the gearbox angular grinder 230, it is necessary to remove the lid pos.6, unscrewing 4 (four) screws. Spindle pos.8 holds in the bearing pos.9, pressed into the cover of the cover of poses.6. The size of the bearing 6203ZZ. Russian analogue 180203.

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The gear wheel pos.11 Pan.Spindle with an interference. To remove it, you will need a press. Craftsmen manage to remove with a hammer, after heating the gear.

Remove the gears and look at them for licking teeth, their destruction.

Repair

At least some power tool at some point burns out. The “Interskol” corner grinder-125/1100E is no exception. Repair of this device is carried out without the help of others.

Dewalt Grinder Repair – How to replace the Brushes

What remains to make our client breakdown the Bulgarians are divided into mechanical and electronic.

change, brushes, corner, grinder

For a successful and brisk elimination of problems, you will need:

  • Annotation when contains a detailed method of disassembling and assembling the Interskol structure angular grinding-125/1100E;
  • Product diagram;
  • Horn keys, hammer, vise, press. These tools are used to eliminate mechanical defects;
  • Tester IK-2 to detect short-closed turns (used for electronic breakdowns of the Bulgarians);
  • Lubrication, flush liquid, napkins (auxiliary materials).

Before work, high.Quality lighting of the working area should be provided.

Guided by step.By.Step annotation and a pleasant scheme, of course, successfully repair the tool without the help of others.

Step.By.Step process of independent replacement of brushes

After the corner of the corner grinder is dismantled and the electric motor was taken out, it is necessary to conduct a visual inspection of the wiring for the detection of damage, and you need to pay attention to the tracks.

The paths should not be burnt, and there should not be dust in the gaps between them. If there is dust, then it needs to be removed. Also, paths should not be strongly worn out. However, the minimum production is allowed.

If necessary, the tracks can be cleaned with fine.Grained sandpaper. It will also be necessary to inspect the inside of the corner grinder body. Wires should not have damage.

If a lot of dust has accumulated during the work of the corner grinder, then it must be removed with a brush, and it is good to blow the body from the inside.

If everything is in order, then it remains only to check the bearings. They should sit tight. Minimum backlash is allowed. And after that you can start assembling an angular grinder in the reverse sequence and installing new brushes.

Here, in principle, and all the main nuances that are worth paying attention to. But in order for the repair of corner grinder to be complete, it will also not be superfluous to check the condition of the parts that are inside the gearbox body. If necessary, you need to replace the lubricant.

Useful advice with unscheduled repair of corner grinders

Many people wonder what to do if in the store it was not possible to find exactly the same brushes as they were installed in the corner grinder. You can just buy more brushes (1 mm difference is normal), and hide them to the desired size.

To perform this operation as accurately as possible, you will need to make a simple adaptation. On a piece of wood-brown slab, plywood (or other flat surface) using bilateral tape you need to fix the brush. In the corners, the master twists four self.Tapping screws, taking off their hats below the surface of the brush by 0.5 mm.

In this case, hats of self.Tapping screws act as lighthouses. After that, using sandpaper, excess graphite must be removed with sandpaper. If you grind the brush by eye, then the surface can turn out uneven, which is undesirable.

In detail about how to independently change the worn brushes for a corner grinder, you can watch in the video on our website.

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