Sewing machine jem janome how to disassemble. JANOME sewing machine with oscillating hook. B. Removing the side cover

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The site has a lot of articles on the repair of sewing machines. However, first of all, these articles are of an informative nature, intended not for amateur craftsmen, but for owners of sewing machines.
From them you will learn how this or that sewing machine is arranged, what breakdowns it can have if the operating instructions are not followed. And finally, how to perform a simple repair of a sewing machine with your own hands, if it is not possible to contact the workshop.

In this article, you will learn how the Janome sewing machine works. What is the difference between inexpensive models of Janome machines, what breakdowns do they have and whether it can be repaired on their own.

1. Janome sewing machine with oscillating shuttle

This model of Janome sewing machine has an oscillating hook type. Such a shuttle is used only by Janome, but also by other sewing machine manufacturers. These are cars of the initial price, which you can buy in the range of 4-5 thousand. They are quite reliable and "hardy", but there are limits to everything, and after that, when it was on this machine (photo) that they decided to hem several jeans at once, it ended up in our workshop.

Look at the photo. The arrows indicate the nose of the shuttle and the eye of the needle. You can see that when the hook nose approaches the needle, the eye of the needle is too high and therefore no stitches are formed. This is a very common failure. In quotation marks because such a failure occurs when the operating rules of any sewing machine are not followed, and Janome is no exception. This is not even a breakdown, but a violation of the interaction parameters of the shuttle mechanism and the needle. It happens at the moment of excessive load. And the execution of the finishing line on the hem of jeans is just that case. The toothed belt connecting the upper and lower shaft "skips a tooth" and the machine stops making stitches, although it still works fine. Jeans are probably the biggest "enemy" of all sewing machine manufacturers. How much they undermine the image of any of them. After all, it is jeans that most often disable household sewing machines.

To understand why this happens, and why jeans cannot be hemmed on household sewing machines count how many layers of tissue are formed at the roughest point (the junction of the seams). From 9 - to 12 layers. Take a needle and try to pierce such an area with a hand needle, it is unlikely to succeed. Only if the needle is hammered.

But let's get back to our Janome sewing machine and try to figure out how such a failure occurred and whether it can be fixed on our own.

Firstly, it must be said that if the machine stops forming stitches normally, gaps appear, the thread breaks, then look at how the shuttle nose interacts with the needle.
Detach the presser foot, needle plate. Lay the machine on its side and remove the upper part of the shuttle so that the hook remains in its grooves and is not skewed. Now gently turn the handwheel and bring the hook nose up to the needle. If you find such a "picture" as in this photo, then the cause of the malfunction is different and the machine does not need to be disassembled. The photo shows that the nose of the shuttle fits, as it should be, 1.5-2 mm above the eye of the needle. If the spout is below the ear or flush with it, then you will have to disassemble the body of the machine in order to have access to the node we need.

I do not recommend disassembling modern sewing machines. There is nothing complicated about this, but only for someone who knows how to do it right. In any other case, there is always a desire to use a nail puller. Well, like all the screws are unscrewed, but the case is not disconnected. Be careful, you can easily break not only the body mount, but also the necessary part of the sewing machine.

Each machine uses its own options for attaching halves of the body. First you need to carefully study them, find them. For example, several pieces may be located under the front cover, in the area of ​​\u200b\u200bthe upper thread tensioner, the shuttle mechanism (remove the needle plate).
Further, some of them "hide" under the plugs, which are easily removed with a knife blade. What else can you advise. Well, for example, for this model Janome does not need to remove the levers for switching types of stitches. By the way, do not forget about the reverse lever when you assemble the body back. In general, for a non-specialist it will be much more difficult not to disassemble it, but to assemble it, keep this in mind. Mark where and which screw was. And if you don’t have a single “extra” screw left, then you passed the attentiveness test by 5 points.

4. The device of the Janome sewing machine

If you are going to buy an inexpensive Janome sewing machine, you can look at these photos that demonstrate its design well. This will help you make the right choice.
IN next paragraph you will find out the cause of the malfunction of this sewing machine.

If the copier is "dry", its grooves must be lubricated with grease.

Check the tension of the drive belt of the electric drive. If it is loose, slightly tighten it with the screws securing the motor to the housing. The belt must not be overtightened; when pressed with a finger, it should bend a little.

If your machine has "problems" with the tension of the upper thread, this knot is most likely the cause. Raise and lower the presser foot several times and check that this lever works correctly. It may need to be adjusted.

Behind the upper thread tensioner, there is a housing fixing screw. It is easy to unscrew, but not easy to put back. Put a screwdriver on the magnet for half an hour, and then it will be easier to install it.
The tensioner screws should not be unscrewed when removing the housing cover.

The cause of the malfunction was in this node, marked with an arrow. And it didn't take long to find out. Toothed beltconnecting the main shaft to the lower shaft, this model of the Janome sewing machine did not have. Instead, a crank mechanism was used. It is quite reliable and can withstand heavy loads, so the search for the cause of the failure was directed in the other direction.

However, later it turned out that during the hemming of jeans, the eccentric mounted on the main shaft and transmitting movement to the lower shaft shifted. As a result, without load, the parameters of the machine were normal, and when sewing, the line did not form. The fastening of this eccentric is inside (arrow).
After setting the correct parameters for the interaction of the needle and the nose of the shuttle and then tightening the fastening of the eccentric (screw), the breakdown was eliminated.

Sewing machines Janome firms (Janome) have many various models designed for different categories of buyers. There are a number of economical sewing machines, affordable and designed for small tailoring and repairing clothes at home.

The smooth operation of the sewing machine depends on how correctly and on time the lubrication will be carried out. Certain parts of the machine can be lubricated without resorting to disassembly. But still, some parts cannot be lubricated if it is not disassembled. Before this, the owner needs to understand whether he can independently lubricate. If he is not completely confident in his technical abilities, then it is best to take the machine to a repair shop or call the master at home.

Special screwdrivers and instruction manual. If you have confidence, then you need to read the instructions on how to disassemble the Janome sewing machine. After careful reading, you can gradually proceed to action using the screwdrivers that are included in the package. If they are lost, then you need to find the packing list and find out what screwdrivers are needed. After acquiring them, you can carefully proceed to disassembly.

Special engine oil and operating instructions are a must-have when disassembling the machine. After disassembly, you need to read the part of the manual that deals with lubrication and figure out how to lubricate the Janome sewing machine. If everything is clear, then you can proceed to lubrication according to the illustrations and step-by-step actions. It needs to be produced only with special oil, which should be included. If it is not there or it is over, you need to purchase exactly the same.

It is also worth mentioning how to fill the Janome sewing machine correctly so that you do not have to disassemble it later. It is quite easy if you have instructions and high-quality sewing threads. Self-disassembly of the sewing machine to remove a very tangled thread is quite simple to carry out. To do this, according to the illustrations and tips, the bobbin part is gradually disassembled and assembled in the reverse order.

You also need to know how to set up the Janome sewing machine correctly so as not to overload it in operating mode and not bring it to disassembly and repair. If the machine at some point stops sewing, breaks the thread, and the lubrication does not give any results, you can disassemble the sewing mechanism. But only if the warranty on the machine has expired. Any intervention and disassembly of the mechanism, except for the bobbin part, may void the warranty.

How much the owner likes the disassembly of the equipment depends on how to choose the Janome sewing machine correctly. If the owner is a supporter of self-repair, then he should choose a simpler model, which will be easier to disassemble and assemble. In general, you can disassemble anything on your own. It is quite another thing to collect. Therefore, in case of serious breakdowns, it is better to trust the technique to professionals, and not to experiment.

The owners of Janome brand sewing machines know firsthand about the excellent quality of this sewing equipment and have personally seen this from their own experience. Although sometimes you still have to make minor repairs to the Janome sewing machine with your own hands, which consists in replacing the needle or adjusting some of the units of the unit for more correct and accurate work. But not a single type of mechanical equipment is insured against wear or complete failure of some spare parts, and even more so equipment with electronic filling.

Needless to say, that in the event of any breakdown in sewing machine Janome, the most correct solution would be to call the master at home or transport the sewing machine to a service center to correctly determine the cause of the breakdown and effectively eliminate it. The subsequent reliability of the functioning of the sewing machine directly depends on the professionally carried out repair and adjustment of the sewing equipment.

Our official service has professionally trained employees and all the necessary modern resources, including tools and original spare parts, to carry out quality repair Janome sewing machines. A large number of people turned to us for help in repairs and were completely satisfied with the quality of the work performed. According to our customers, what they liked the most about our service center was the following:

The speed and quality of work related to the diagnosis, repair and adjustment of Janome sewing machines;
The service of calling the master to the house, which allows us to significantly save time and money for our customers, and also not to worry about the way the machine is delivered to our service center;
Sufficiently low prices for our services, regardless of the complexity of the breakdown or the model of the Janome sewing machine.

The feasibility of self-repairing a Janome sewing machine directly depends on the complexity of the breakdown, confidence in accurately diagnosing the cause of the problem, and the ability to fix it. For example, if a needle breaks in your sewing machine, then it is quite possible to replace it on your own, but if the sewing equipment began to work unstable or stopped turning on at all, in this case it is better not to even try to fix something yourself, because this way you can finally break sewing machine, without the possibility of subsequent recovery.

If, without proper knowledge and skills, you try to fix an unknown problem on your own, then there is a high probability of further aggravating the breakdown that has occurred and making its subsequent repair more difficult and expensive. Only a person with experience and sufficient knowledge is able to diagnose the cause of the problem and professionally eliminate it. By contacting our service center, you will receive high-class qualified assistance in repairing Janome sewing machines in the face of our professionally competent craftsmen.

I will not go into details of how to adjust and adjust the sewing machine. JANOME. All adjustments are made as on the company's sewing machine. PFAFF Hobby422, if someone is interested in the details, then a complete disassembly, assembly and adjustment of Hobby422 can be viewed in DVD format on two discs.

But back to our JANOME car, front view, see fig. 1. There are two regulators on the sleeve of the machine: the left one (3) is designed to select the program and change the width of the zigzag; right (4) is used to change the stitch length and switch to stretch stitch

To the left of the controls is upper thread tension regulator(2) and on the sleeve of the machine the reverse button (5). The presser foot lift lever (1) is visible at the back.

To start adjusting the machine, you must first remove all body products:

• front side cover
• front,
• side stand cover
• back,
• lower.

To remove the back cover, you must first remove the side and bottom, then the front and lastly the back. Figure 2 shows the screw securing the front and rear covers.

Difficulty can only cause the dismantling of the back cover. In order to remove it, you need to press the machine with the upper part towards you, holding the lower part of the body product, pull it away from you until it comes off the machine body. Next, pull the entire back cover from left to right until it disengages from the presser foot lifter.

Attention.This operation must be done very carefully so as not to break the plastic case. After removing all body products, our machine looks like a top view - fig. 3, front view - fig. 4.

1. Upper thread tension regulator (Thermometer)
2. Automation mechanism
3. Winder
4. Stitch length adjuster
5. electric drive
6. Shuttle housing
7. Needle bar
8. Presser bar

If you have already disassembled a Pfaff Hobby class sewing machine or watched a film on disassembling, assembling and setting up this machine, then the pictures show that the machines are almost the same.

Oscillating type shuttle assembled fig. 5 and exploded view, Fig. 6

Rice. 5 Fig.6

1. Ring clamp lever
2. pressure ring
3. Shuttle
4. bobbin case
5. Shuttle pusher
6. Shuttle pusher spring (attached with two screws)
7. Shuttle seat.

Presser foot attachment has a lever instead of a button that serves to remove the foot, fig. 7

Thread take-up mechanism and needle bar frame can be seen in Fig. 8. The difference is that this machine has an adjustment mechanism for the buttonhole.

1. Buttonhole lever
2. Pendulum (frame) needle bar
3. Lamellar spring of a clip of a frame
4. Main shaft eccentric
5. Thread take-up
6. Thread guide fixing screws
7. thread guide

P.S. When removing the front decorative panel Loosen both screws and remove the thread guide.

On fig. 9 shows the machine from the flywheel side. Adjust the engine in such a way that the following rule is fulfilled: when pressing in the middle part of the toothed belt, the deflection was 1 cm.

fabric conveyor fastened with two screws, which periodically need to be tightened. On fig. 10 shows places where dirt and lint accumulate that interfere with the proper operation of the SEWING MACHINE. Number 1 marks the feed dog release lever.

Number 1 marks the feed dog release lever.

What I would like to say in conclusion, the car is of a budget type, works great, easy and intuitive control. The machine from the consumer does not require deep knowledge in setting up and repairing. With a properly adjusted bobbin case, the consumer only needs to adjust the thermometer (Upper Thread Tension Regulator). When the thermometer is in the range of 3-5, the machine should sew well.