How to remove a head from an electric screwdriver

Types of cartridges

Now there are two types of this part:

The first view has additional categories:

• double-clutch. it is possible to unscrew and twist with two hands, one clutch adheres, the second scrolls to remove the nozzle;
• single-sleeve. all the operations described above are performed with one hand, this is facilitated by the shaft locking system during the removal of the nozzle.

A common feature of the quick-release versions is the tool change without the need for special tools.

The material from which the cartridge is made:

Plastic products are lightweight but not shock-resistant. Quick-clamping variations are used both in everyday life and in production.

Cam types are more reliable, they have a greater shockproof potential, they are durable, of the minuses. the relative severity of the part.

Removing the chuck from the Makita screwdriver

Makita screwdrivers are equipped with a threaded mount and an auxiliary fixing screw with a left-hand thread.

We carry out the actions in turn:

• unscrew the screw to the right;
• press the button that stops the spindle;
• wrap the unit in a thick cloth and insert into a vice;
• fix the hexagon in the cams;
• with hammer blows on the end of the wrench, rotate the chuck and remove it from the shaft.

If you know the principles of dismantling described above, then the question of how to remove the cartridge from the Interskol, Bosch screwdriver, another popular brand, will disappear by itself.

How to remove a cartridge

To remove the cartridge, you only need to make a few manipulations. This is a fairly easy process. First you need to find a 10 hex wrench.

• The key must be clamped very well in the chuck with the end that is the shortest.
• Now you can turn on the screwdriver for a time, which will be enough for the key to hit the table while turning.
• The chuck will rotate along the internal thread with which it is attached to the shaft.

This is one of the most common options. But there is another effective way that you can try. The cams must be fully unclenched and looked inside. In the event that a screw is installed inside, this will be considered an additional fastener that will lead to the shaft. The screw must be completely unscrewed. This should be done exclusively clockwise.

The hexagon should be tightly clamped and try to turn it very sharply counterclockwise. As a result of these actions, the cartridge should move. If this does not happen, you will need to take a hammer and hit the key. This must be done as carefully as possible so as not to damage the structure.

The first required step! Unscrewing the fixing screw

The first, mandatory, step when removing the chuck from most household screwdrivers is to unscrew the fixing screw located at the end of the spindle between the cams. This fastener is designed to protect the quick-release assembly from self-“make-up” when working with a load in reverse mode (counterclockwise).

For example, when unscrewing old fasteners when it is necessary to increase the torque. In this case, the chuck can remain stationary, fixed with a bat in the surface to be processed, and the spindle will rotate “to the left” (counterclockwise) and unscrew itself from the fastening unit of the screwdriver.

To avoid such situations, manufacturers use a control screw with a “left” thread. It is he who must first of all be removed by performing the following steps:

• Spread the jaws so that the tip of the screwdriver passes freely between them.
• Unscrew the screw by turning to the right, as it has a “left” thread.

Attention! The grooves on the screw heads can be of various sizes and shapes (straight or cruciform). Therefore, it is necessary to have screwdrivers with different tips.

Screwing the keyless chuck off the screwdriver spindle After the locking screw with the “left-hand thread” has been unscrewed from the spindle end, the keyless chuck can be removed from the screwdriver.

Due to the fact that the gap between the coupling and the body is several millimeters, it is not possible to fix the spindle with a vice or pipe wrench. Therefore, there are several other ways to remove the cartridge.

Using the L-shaped tool

This method is quite simple and safe, therefore it is a priority. You must perform the actions in the following sequence:

• Make sure that the retaining screw is removed from the spindle end.
• Fasten the L-shaped tool in the cams. Best Hex Wrench.
• Set the torque regulator to the maximum value or put it in drilling mode.
• Switch the direction of rotation of the spindle to reverse mode (counterclockwise).
• Start the engine and allow it to reach maximum speed.
• Bring the rotating L-shaped tool fixed between the cams to the fixed stop. For example, bench vice, gymnastic weight.
• At the moment of impact of the fixed L-shaped tool, the chuck will be quickly screwed off the spindle.

Attention! The chuck unscrews very quickly, in less than one second. Therefore, it is necessary to provide that it falls from a minimum height, that is, the emphasis on which the L-shaped tool will be stressed should be as close to the floor as possible.

The second variant of this method is also possible:

• After unscrewing the screw and fixing the faceted key (three-, four-, five-, hex) between the cams, we hold the screwdriver in one hand, and with the other we strike with a hammer (mallet) on the shoulder of the protruding tool so that the rotation occurs counterclockwise.
• Thus, having “ripped off” the cartridge from its place, you can continue to unscrew it by hand.

This subtype of loosening is especially effective in cases where there is no voltage in the network (mains screwdriver), the battery is discharged or the power tool is inoperative.

How to remove a chuck from an electric screwdriver

Owners of screwdrivers sometimes need to remove the chuck from the power tool. This can be caused by various circumstances:

• Repair, lubrication and cleaning of this unit.
• The desire to replace this cartridge with another model (of a different design, size).

This operation does not require any special tools, skills and abilities. But, when performing it, it is necessary to remember some features that complicate the disassembly operations. Most three-jaw self-centering screwdriver chucks are keyless. That is, they have several differences from the usual (key types):

• The unit has a plastic surface that can break down even with minimal mechanical stress on it with metal tools.
• Very close location of the chuck to the drill body, with a small gap, which will not allow fixing the spindle with a pipe wrench or a vice.

Another factor that can complicate disassembly in the easiest way is the relative low power of the screwdriver (when compared with drills).

Choosing a new instrument

If the old cartridge could not be carefully disassembled and repaired, then it is necessary to replace it. We’ll have to choose a new one. It should be noted that different types of cartridges can be installed in the design of screwdrivers. They are key or keyless, as well as quick-clamping. The key product is different in that the clamp on it can be done with a better quality. Keyless chucks are not inferior in this parameter, but they have to be changed quite often, since the clamping mechanism very quickly becomes unusable.

If during the removal of the chuck you often have to change the tooling, it is preferable to select the quick-clamping option, since if you replace the old part with it, you can save time on this procedure. When using large diameter tooling, it is best to purchase a key chuck.

There are cartridges that are fixed inside the device using a cone. They are also available with a key or quick-release. The choice always remains solely with the buyer.

How to properly remove the chuck from an electric screwdriver

The fastest wearing part of a screwdriver is the chuck, which is subjected to high dynamic loads. Its main function is to secure parts or tools on the axis of the torque shaft (spindle). In order to identify the cause of a breakdown or malfunction of this element, you need to know how to remove the cartridge from an electric screwdriver. You can fix a common problem yourself.

How the cartridge works

First you need to determine the type of this device.

The most common are quick-release ones, which are used in almost all modern models. The shank of the working nozzle is fixed here manually without the use of auxiliary tools. The whole process takes a few seconds and does not require much effort.

Self-clamping. they differ only in the automatic fixing of the bit, the reliability of the clamping of which is confirmed by a characteristic click. It is convenient when working with frequent and quick change of attachments.

The most reliable clamping is provided by girth gear (key) models. These are classic chucks that require a special wrench to secure the bit.

Electric screwdriver chuck

How to remove a chuck from an electric screwdriver

The extraction method also depends on the types of fasteners:

• Morse taper. the surfaces of the shaft and cylinder have the same taper;
• fixing screw, where the Phillips head and left-hand threading;
• threaded. the cylinder is screwed onto the shaft.

The marking on the device will help to determine the type of fastening.

B7, B10, B12, B16, B18, B22, B24, B32 and B45. standard sizes of Morse cones. Next to it is the size of suitable bit shanks (e.g. 1-6).

1.0-11 M12x1.25 is an example of a thread marking, where 1.0-11 is the range of shank sizes in mm, and M12x1.25 is the thread characteristics. On a foreign model, there may be such designations. 2-13 mm ½-20 UNF, which is deciphered in a similar way, only the diameter of the bits in inches.

Important! The cartridge should not be removed immediately after using the appliance. It must be cooled down.

Using a hexagon, the device is removed with a fixing screw. How and in which direction to unscrew:

• Unclench the cams as much as possible.
• The thread is usually left-handed, which means turn the screw clockwise.
• Insert the key into the cams and turn it counterclockwise. You can use an additional hammer.

You can try to remove the head by simply holding it with your hand. To do this, after removing the screw, clamp the cartridge with your hand and, turning on the low speed of revolutions, make a jerk to the left. Sometimes that’s enough.

When mounting like a Morse taper, you just need to hit the chuck with a hammer in the direction of the base of the nozzle, and it will come off.

• Insert the L-shaped hexagon (10mm) with the short end into the cylinder and clamp tightly with the cams.
• Turn on the device at low speed for a few seconds so that the free end of the key hits a solid support.
• Remove cartridge.

If the above methods did not work, the appliance must be disassembled. Then take out the shaft with the gearbox and the chuck and remove this cylinder using a pipe wrench.

Electric screwdriver chuck

If jammed

This is one of the most common problems. To begin with, it is worth well lubricating the inner surface of the chuck and cams with a WD-40 type agent and wait 10-15 minutes. Then tap it with a hammer through the gasket or use a rubber.

If this does not help, then clamp the base of the assembly with an adjustable wrench, and with the second, gently twist the upper part.

Another option is to fix the body in a vice and the cylinder with a gas wrench. Then put the tool on the table and turn on the electrical appliance.

How to remove stripped screws – 7 different ways

Often jammed due to sawdust and other small debris getting inside the mechanism. In this case, you can hold the cartridge over the fire or warm it up with a construction hairdryer. After that it is good to lubricate.

All of the above tips can come in handy not only in the event of a breakdown or malfunction. The tool needs periodic lubrication and cleaning. And even a new device, experts recommend immediately lubricating.

Which method of clamping the drill chuck for a drill is better

In household drills and screwdrivers, one of the types is usually installed according to the method of clamping the working tool of the cartridges, this is with a key and quick-clamping. Key jaw chucks have been around for a long time and are familiar to any home craftsman. Keyless chucks have recently come into use and quickly become very popular.

In the photo on the left you can see a keyless chuck, and on the right. a key with a key. There is an opinion that the key chuck grips drills better, but from many years of experience in operating both the key chuck and the key chuck, I dare to say that there is no difference. Both types of cartridges are clamped with equal success. Only the convenience and speed of changing drills in a drill with a keyless chuck is undeniable. You do not need a key, which is always lost during work, if it is not attached to the drill or tied to it on a rope, you need to use two hands to clamp the drill.

The method of chuck clamping is not related to the method of its attachment to the drill shaft, therefore, if you change the chuck with a key clamping method, I advise you to install a chuck with a quick-clamping method for fixing the drills instead.

Removing the chuck from the drill

First of all, let’s turn to the quick-release chuck. In order to remove this device, it is enough to simply clamp the upper ring of the clamping device and turn the lower ring until it clicks. Usually the turning limits are shown on the cartridge itself.

As you can see in the photo, a cotter pin-type clamping device is installed on the drill for fixing the drill. Below is a three-jaw chuck prepared for replacement.

Having fixed the upper ring with the marking, we turn the lower ring with the line with force until the designation of the removed device. Then the device can be easily removed in the direction of the shaft axis. The chuck is initially set to the open position. If not, then it is enough to turn the lower part in relation to the upper ring until it clicks.

We put the chuck on the shaft, clamp the upper ring and scroll the lower part until it clicks, the chuck is fixed on the shaft and is ready to go.

The photo clearly shows the border of the quick-release device and the cartridge itself. In order to remove the cartridge itself, we need a screwdriver or a hex key.

Here you can see the chuck jaws lowered to the extreme position. And at the very bottom of the socket, an axial screw for a slotted screwdriver is visible. This screw will need to be unscrewed in order to remove the chuck fixed on the shaft. Here, for example, a chuck rigidly fixed on the shaft

In this case, you will need a Phillips screwdriver to remove it. It should be noted that hexagon wrench screws are often found.

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Removing the Morse Taper Chuck

In this case, you will need a drift and a hammer. In the role of a punch, you can use a U-shaped puller, with wedge-shaped paws in plan. It must be installed so that the axis of the cone passes between the paws, and then carefully drive it between the chuck and the drill. Entering the inside of the puller must squeeze the chuck from the cone.

In the photo there are three-jaw chucks of different types and Morse cones of several sizes.

As a puller, you can use an open-end wrench or any other device that allows you to act on the chuck in the axial direction.

It is worth noting that all actions for dismantling cartridges, especially with a Morse taper, should be carried out extremely carefully. Since excessive haste can damage the drill body or cause injury.

Replacing and disassembling the drill chuck

There is nothing complicated in the question of how to replace a worn out chuck with a drill. To do this, it is enough to purchase an appropriate clamping device, remove the old one from the drill and install a new one on it. It should be borne in mind that both conventional and mini-drills can be fitted with cartridges of two types:

• with a conical connection;
• threaded.

Chucks, for installation on a drill of which a thread is used, are removed and fixed according to the above scheme. When replacing such a device, it is not enough to know that it is threaded; it is also important to take into account the marking that is mandatory applied to it. Such chucks can be marked as follows:

• 1.5-13 M12x1.25;
• 1.5-13 1/2. 20UNF.

The interval 1.5-13, present in the designation data, indicates the minimum and maximum diameters of the cutting tool to be installed. The rules for replacing the chuck with a drill suggest that the new clamping device must be marked completely identical to the designation of the old one.

With the question of how to replace a cone chuck with a drill, everything is somewhat simpler. Various markings can also be applied to devices of this type, namely:

• AT 10 O’CLOCK;
• AT 12;
• B16;
• B18.

To replace a chuck of this type with a drill, you just need to select a clamping device with the appropriate marking and insert its seat into the tapered hole of the drilling equipment. It is quite simple to navigate in such a marking: the letter “B” means that this is a cone-type cartridge, and the number indicates the diameter of the lower part of the bore.

Removing the cone chuck from the drill is as easy as installing it. In order to perform such a procedure, you just need to knock the clamping device out of the drill bore, for which a conventional hammer is used. You can also get acquainted with the details of installing and removing the cone chuck of an electric drill by watching the corresponding video.

How to disassemble the chuck of an electric screwdriver or drill? This procedure must be periodically performed for maintenance of the device (cleaning and lubrication of all its internal elements), as well as minor repairs. This significantly extends the service life of the chuck.

When disassembling a cartridge, you should consider what type it belongs to. Focusing on the instructions or video, you must perform all the steps for disassembling such a device as carefully as possible so as not to damage its constituent elements. After all the procedures for the maintenance or repair of the elements of the drill chuck have been completed, it should be reassembled in the reverse order.

If the structural elements are badly worn out and it is not possible to restore them, it is better to replace the entire mechanism, which will be much cheaper than repairing it.

Removing a threaded chuck with a return screw

In order to remove the cartridge from the axis, we first need to unscrew the central screw. In order to gain access to it, you need to move the cams apart until it stops. Then insert a wrench or a screwdriver inside with a sharp movement “pull off” it. Left direction screw thread. The screw itself is filled with sealant, and it is very difficult to turn it.

In addition, it should be noted that it is worth using a quality tool in the work. When working with a Chinese screwdriver, the slot just ripped off. In this case, the screw itself remained in an intact position. Only a blow to the screw helped, after which the head moved from its place and the process began. After unscrewing the screw, you need to remove the cartridge body itself.

Then you need to twist the cartridge itself from the thread. In this case, the thread is right-hand, opposite to the screw. It is very difficult to break the thread, as it “sticks” during operation. Significant effort is required, but the process can be accelerated.

In this case, you can use the Allen key clamped in the chuck. This will allow lengthening the lever, and if there is a “reverse”, use the tool itself. To use the tool, you need to either clamp the hexagon in a vise and turn it on, or hit it on the table while rotating at low speeds.

How to unscrew the chuck from the shaft of a drill or electric screwdriver

To remove the chuck from the tool, you need to fix the shaft and, grasping the chuck by the body, unscrew it, turning it counterclockwise, when viewed from the side of the cams. The main thing is to rip the cartridge off the ground, then it usually easily unscrews.

I was lucky, since there were chamfers on the round base of the chuck, which could be well hooked with an open-end wrench.In the chuck purchased for replacement, there were no such samples.

After gripping the chuck with an open-end wrench and one sharp blow on the key with a hammer, even without fixing the shaft, as in the photo, the chuck moved from its place. But it turned off tight, and there was a reason for this. I had to continue to twist it with light blows on the key with a hammer.

Looking inside the cartridge, I did not notice the fixing screw because the hole in the head for the asterisk bit was clogged with dirt, which just had to be removed. Therefore, unscrewing the cartridge, I simultaneously tore off the thread of the fixing screw, it is strange that it did not break off.

If there are no chamfers on the base of the chuck, then you need to clamp a hex bar or an M10-12 bolt with a hex head in its jaws, onto which you put a key and hit it with a hammer. If the chuck cannot be screwed in this way, then you will have to disassemble the drill, remove the shaft with the chuck, clamp it in a vice and twist it. Instead of an open-end wrench, you can use a pipe wrench by grabbing the chuck by the outside of the housing.

How is the drill chuck fixed to the tool

An external examination of the power tool, it is often not possible to determine in what way the drill chuck is fixed. But if you know the markings, then the mounting method will be determined even with a cursory glance at the cartridge.

The main types of chucks for a drill

By design, drill clamps are divided into two main types:

• a gear-girth chuck, in which the tool shank is clamped using a special key;
• Keyless Drill Chuck (DRC), in which the clamping sleeve is driven by manual rotation.

Clamping jaw chucks, installed on modern drills, allow you to reliably fix tools with a shank diameter in the range of 1–25 mm. Devices of this type are practically devoid of disadvantages, the most significant of which is their rather high cost.

The most popular type of clamping device installed on modern models of drills is the keyless chuck (BZP).

The most significant disadvantages of the BZP include the fact that in cases where the elements of its mechanism wear out, it does not securely fix the shanks of large-diameter drills. This leads to turning the tool during operation.

Compared to clamping devices of the BZP category, gear chucks for equipping a drill provide reliable fixation of the tool in any situation. Users who often work with electric drills prefer this type of chuck. The only significant drawback of such devices is that the key with which they are activated is quite easy to lose. Meanwhile, the occurrence of such a problem can be easily avoided if, immediately after purchasing the drill, fix the key on the device wire using insulating tape or ordinary rope.

The chuck for mini-drills, installed on compact drilling devices, is also very popular. The latter are actively used by jewelers. Mini chuck belongs to the category of keyless chucks for electric screwdriver or light drill. Such a small chuck, made mainly of brass, is used to fix tools with shank diameters in the range of 0.1-4.5 mm.

Types of cartridges

Clamping devices of screwdrivers are divided into:

The main difference lies in the fact that self-clamping models fix the products automatically.

If the tool has a lock, single-cylinder cylinders can be used.

In the absence of a blocker, you will have to use a two-clutch type.

Single sleeve elements can be clamped with one hand.

Other type requires both hands.

Quick and self-clamping models are mainly designed for modern tools.

Models with automatic clamping are convenient for those who have to quickly and often change different attachments.

Key options are less convenient, but more reliable. They grip better and withstand shock loads.

If the cylinder will be used in an intensive mode, it is recommended to choose an electric screwdriver with a key.

How to remove a threaded chuck

Consider how to remove the chuck from an electric screwdriver, in which the cylinder is attached to the spindle using a thread.

• unscrew the threaded fastener using the L-shaped hexagon;
• insert a key (usually 10 mm) with a short part into the cylinder and securely fix with cams;
• at low speeds, turn on and then turn off the electric screwdriver; in this case, the free part of the hexagon must hit the support.

As a result, the threaded fixation will loosen and the clamping cylinder can be easily removed from the spindle.

If the mount is very strong and all three methods do not work, then the tool must be disassembled.

How to remove the sleeve in this case is described above.

Situations requiring the disassembly of a drill or an electric screwdriver arise when preventive work is neglected. the planned removal and cleaning of the “clamp”.

In addition, it is recommended to rest the instrument at least every 15 minutes.

Then the repair can be postponed, and you can protect yourself from unnecessary difficulties with removing the clamping device.

How to determine the fastening method

Before figuring out how to remove the chuck from an electric screwdriver, you need to determine the fixing method.

A tool that uses a Morse taper clamping device can be marked B10, B12, B14, etc.

According to GOST, there can be 9 standard sizes. from B7 to B45.

Alongside, in millimeters, the range of shank diameters of fasteners is indicated, which are suitable for fastening in this electric screwdriver.

The chuck of an electric screwdriver with a threaded fastener has a different marking.

On domestic models, you can find the type designation 1.0-11 M12x1.25.

The numbers up to the letter indicate the allowable shank size, the rest. the thread size.

In foreign screwdrivers, the inch designation is used.

For example. the part can be marked as follows: 2-13 mm ½-20 UNF.

Here the first digits are the bit diameter, the fraction is the thread diameter in inches, 20 is the number of threads in each inch.

How to choose a new cartridge

The chuck for an electric screwdriver is chosen based on a number of aspects. When choosing a suitable part, you need to be guided by the following recommendations:

• if the bits have to be changed frequently, it is better to prefer quick-clamping or self-locking cylinders; otherwise, work will go slower;
• gear-crown design. the choice of those who strive for maximum chuck reliability; if the priority is one hundred percent fixing the bit, it is better to purchase a key cartridge;
• when choosing a part, it is necessary to take into account its characteristics; parameters are regulated by the relevant GOSTs; the larger the clamping cone, the larger the number with which it is marked;
• it is necessary to take into account the country of origin. the alphanumeric designations of foreign models differ from domestic ones.

If it is difficult to independently determine the type of “clamp”, it is better to consult a specialist.

Wrong choice is tantamount, at least, to incorrect operation of the tool.

In the worst case, it is possible not only to re-spend on a new cylinder, but also to replace the entire electric screwdriver.

What is a cartridge

The cartridge resembles a metal cylinder. The part is attached to the shaft of an electric screwdriver.

The purpose of the element is to fix the working bits of fasteners.

How to remove a chuck from an electric screwdriver? Step by step instructions

How to remove a cartridge from an electric screwdriver, what it is and what they are, learn from this article.

The chuck for the electric screwdriver is one of the most movable parts of the tool. Therefore, it wears out faster than many others.

To repair or replace this element, you need to know how to remove the chuck from an electric screwdriver.

To do this, you need to understand the types, device and methods of mounting cartridges.

How to remove and change the cartridge

It is necessary to understand how to remove the cartridge from an electric screwdriver even if the repair is not yet expected.

The procedure must be performed periodically for routine cleaning and lubrication.

This will increase the service life of the tool.

There are various ways to remove the clamping device.

The method depends on the manufacturer of the electric screwdriver and the specific type of model.

Below we will consider how to remove the “Bosch” and “Makita” cartridge.

Using the example of these brands, it will be possible to cope with the tools of other manufacturers. remove the cartridge “Interskol”, “Metabo”, “DeWALT”, “Zubr”, etc.

It must be remembered that we remove the cartridge only from the cooled tool.

It will be more difficult to remove the heated element correctly, since for a long time rotating parts are firmly fixed in the socket.

First, let’s look at how to unscrew the chuck with the fixing screw.

To do this, you need a hexagon of the appropriate size.

A diagram describing how to change the cartridge with this mounting method:

• unscrew the screw clockwise (if the part is with a left-hand thread); for this, the cams are opened to the maximum;
• insert the key into the cams and turn it sharply counterclockwise; for this, you can use help. for example, a hammer;
• unscrew the cartridge.

Next, how to replace a cartridge with a different type of mount.