KSM2612 - Sewing machine Kunft - Free user manual and instructions

Product Type	Sewing Machine
Brand	Kunft
Model	KSM2612
Power Supply	230 V ~ 50 Hz
Stitch Patterns	16 (12 ordinary + 4 buttonhole)
Sewing Speed	Variable via foot pedal
Buttonhole Type	4-step automatic
Presser Feet Included	Standard, buttonhole, zipper
Needle Type	Standard household sewing needle
Bobbin Type	Standard drop-in bobbin
Thread Tension	Adjustable (0-9)
Reverse Sewing	Yes, with reverse button
Accessories Included	2 needles, 2 bobbins, screwdriver, seam ripper, threader, thread stand
Safety Features	Read manual before use; keep away from humidity; unplug before cleaning

Frequently Asked Questions - KSM2612 Kunft

How to thread the sewing machine?

Follow the steps: place spool on pin, thread through guides, tension disc, take-up lever, then needle. Use the built-in threader for assistance. Ensure correct path as per manual.

How to wind the bobbin?

Place empty bobbin on winder, thread through tension disc, start winding by pressing foot pedal. Bobbin stops when full.

How to adjust thread tension?

Turn the tension dial; higher number increases tension. For normal sewing, aim for balanced stitches; refer to manual for adjustments.

What to do if the needle breaks?

Check for correct needle size and proper insertion. Ensure fabric is not pulled forcibly. Replace with new needle, flat side back.

How to sew a buttonhole?

Attach buttonhole foot, select buttonhole stitch, sew four steps: left side, front bar, right side, back bar. Use the manual's sequence.

How to use reverse sewing?

Hold down reverse button to sew backward, release to go forward. Use for reinforcement at ends of seams.

How to clean the sewing machine?

Unplug machine, remove fabric lint from bobbin area using a small brush. Do not use water or solvents.

What types of fabric can be used?

Suitable for light to medium fabrics (0.3-1.8 mm thickness). Avoid heavy or elastic fabrics like towel cloth.

How to change the presser foot?

Raise the presser foot lever, slide the current foot off, snap new foot into place. Ensure it clicks securely.

What accessories are included?

Standard foot, buttonhole foot, zipper foot, needles, bobbins, screwdriver, seam ripper, threader, and thread stand.

USER MANUAL KSM2612 Kunft

White Kuwait Kurofet sewing machine with digital control panel and brand logo (no visible text or symbols on device body)

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KSM2612

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Dear client,

Thank you for purchasing this product.

The quality of this appliance has been certified by several laboratory tests. This instructions manual is provided to simplify the use of the appliance as well as to guarantee a safe use.

Please read carefully the instructions and safety measures described in this manual.

We sincerely hope you will be satisfied when using your new appliance.

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INDEX

1. SAFETY INSTRUCTIONS 4

1.1. Power Supply 5
1.2. Power Cord and Other Cables ...... 6
1.3. Humidity and Water ...... 6
1.4. Cleaning 6

1. OPERATING INSTRUCTIONS 8

2.1. Product Description....8
2.2. Product usage 10
2.3. Troubleshooting 22

1. TECHNICAL SPECIFICATIONS 23
2. POST-SALE SERVICE 24
3. ENVIRONMENTAL PROTECTION 24

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1. SAFETY INSTRUCTIONS

	WARNING
	Risk of Electric ShockDo Not Open
Warning: to avoid the risk of electric shock, do not remove the cover.The interior does not contain any parts that can be repaired by the user.Ask for assistance from the Customer Support Service.

Important Warnings

Before using your appliance read these instructions manual carefully and keep it in a safe place as you may need to consult it in the future.

Before turning on your appliance, and to ensure a safe and correct operation, do not use if:

• It has fallen to the ground;
• You notice any evidence of damage;
• Any anomaly occurs during its operation.

To avoid hazards or deterioration of your appliance through incorrect use it is advisable to read these instructions thoroughly.

Your appliance should not be used for other purposes than the ones intended and solely for household use. Any damage resulting from using the appliance outside this scope,

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any incorrect use, as well as any manual modifications to the product will not be covered and automatically voids the warranty.

Assistance

In case of malfunction, take your appliance to the Customer Support Service for assistance.

This appliance can be used by children from the age of 8 and by people with reduced physical, sensorial or mental capabilities and/or lack of experience and knowledge if they have been given instructions on using the appliance safely and if they understand the hazards involved. Children may not play with the appliance. Cleaning and maintenance must not be carried out by children without supervision.

These instructions are also available at www.suporteworten.pt

1.1. Power Supply

Make sure the main voltage is compatible with the appliance's. If this is not the case, please consult the Customer Support Service.

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1.2. Power Cord and Other Cables

Do not tangle the cord or pull it to disconnect the appliance. Also, keep the cord away from warm surfaces.

Never use the appliance if it has a damaged cable or socket.

Take it to the Customer Support Service for replacement.

1.3. Humidity and Water

Do not use your appliance in humid places. Do not allow the appliance to become wet under any circumstances as this may be dangerous. To avoid fire hazard or electric shock do not expose your appliance to humidity or water. Furthermore, do not place your appliance under water (e.g. for cleaning).

1.4. Cleaning

Before cleaning, be sure to switch off the appliance and remove the plug from the main power supply. Always allow the unit to cool down before cleaning.

To clean the exterior of the product, use a dry soft cloth only.

1.5. General Precautions

- Please follow the instructions in the user manual which will help you to properly install and operate this product and enjoy its advanced features. Please keep the instructions for future reference.

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• Read all instructions before using the product.
• Maintenance and service operations are only to be carried out by authorized professionals.
• Any damage caused by manual modifications to the product is not covered by the warranty.
• If this product is used for other purposes than the ones originally intended, or if it is not correctly connected, the product may become damaged and the warranty will be voided.

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2. OPERATING INSTRUCTIONS

2.1. Product Description

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Two electronic devices with labeled connectors (35 and 36) shown in black, connected by wires (no visible text or symbols beyond labels)

1. Reverse button
2. Function indication panel
3. Function adjustment wheel
4. Winding stop block
5. Winding bar
6. Winding slice
7. Upper thread protect bar
8. Thread guide 1
9. Thread clamp
10. Thread tension adjustment wheel
11. Thread guide 2
12. Take-up lever
13. Thread guiding spring 1
14. Thimble screw
15. Thread guiding spring 2
16. Needle bar
17. Sewing needle

18. Presser bar

19. Presser set screw

20. Presser support
21. Presser foot
22. Needle plate
23. Transparent cover
24. Thread feeder
25. Accessories box
26. Thread cutter
27. Hand wheel
28. Power switch
29. Presser switch socket
30. Power socket
31. Thread stand groove
32. Presser bar lifter
33. Poke button
34. Foot pad
35. Foot switch
36. Power adapter

Attention

• The power adapter and foot switch shall comply with the socket.
• The power adapter and foot switch can only be applied with this product. They are not to be used with other products.
• It is forbidden to apply other power adapters to this product.

Accessories

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1. Presser foot

2. Button hole presser foot

3. Zipper presser foot

4. Button sewing plate

5. Sewing needle [2 pieces]

6. Double stitch needle

7. Thread stand

8. Bobbin [2 pieces]

9. Threader

10. Stitches remover

11. Screw driver

2.2. Product usage

2.2.1. Extracting and installing the accessories box [25]:

1. Extract the accessories box [25] in the direction shown in Fig. 1.
2. Extracted accessories box is shown in Fig. 2.
3. Gently push the accessories box cover according to Fig. 3 and follow the marking on the box to open it.
4. Pick out the corresponding accessory according to your sewing need.

2.2.2. Power connection:

1. The power jack of the sewing machine is located at the bottom right side, as shown in Fig. 1. Plug the power adapter [36] into the corresponding jack [30].

1. Connect the power plug of the power adapter [36] to an AC socket, as shown in Fig. 2.

2.2.3. foot switch connection:

1. The foot switch jack lies at the bottom right side of the sewing machine, as shown in Fig. 1. Plug the foot switch [35] into the corresponding jack [29].

1. The foot switch [35] shall be put on the ground for stamping and control convenience.

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2.2.4. Presser foot support configuration

1. As shown in Fig. 1, lift the presser bar lifter [32] so to lift the presser bar [18].
2. Screw off the presser set screw [19] with a screw driver.
3. Install the presser support [20] into the presser bar [18] by sliding it bottom-up.
4. Screw the presser set screw [19] with a screw driver to fix the presser support [20].

2.2.5. Installing and changing the presser foot

A. Use the metal presser foot [37] for ordinary sewing:

Close-up of hands using a sewing machine to cut fabric or metal (no visible text or symbols)

Close-up of a hand operating a sewing machine needle (no visible text or symbols)

Close-up of hands using a sewing machine to print or fabric (no visible text or symbols)

1. Put the presser foot [37] under the presser support [20], aligning the presser foot's axle [37] with the presser support's groove [20].
2. Place the presser bar lifter [32] downward and the axle of the presser foot [37] will be installed automatically on the presser support [20].
3. Presser foot [37] disassembly: slide the presser support's poke button [33] and the lift presser bar lifter [32] inwards to remove the presser foot [37].

Close-up of a sewing machine needle stitching fabric (no visible text or symbols)

• Use the button hole presser foot [38] for button hole sewing;

• The procedure of installing and disassembling the button hole presser foot [38] is the same as for the metal presser foot [37]. Fig. 1 above shows the installed button hole presser foot [38];

• Use the zipper presser foot [39] for zipper sewing;

• The procedure of installing and disassembling the zipper presser foot [39] is the same as for the metal presser foot [37].
  • The following Figures show the installed zipper presser foot [39]

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Close-up of a sewing machine needle stitching fabric (no visible text or symbols)

Close-up of a robotic arm operating a machine with a glowing paper airplane (no visible text or symbols)

2.2.6. Installing and changing the sewing needle

To extract and install the sewing needle, please turn the machine off and comply with the following steps:

1. Turn the power OFF and rotate the hand wheel [27].
2. Lift the needle bar [16] and sewing needle [17] to the height shown in Fig. 1. Afterwards, rotate the hand wheel [27], and then stop it to keep it in a static position.
3. Unscrew counter clockwise to unscrew the thimble screw [14].
4. Take out the sewing needle [17] to be replaced.
5. Pass the sewing needle [17] through the thread guiding spring 2 [15] by sliding it bottom-up and insert the needle bar [16] to its bottom. Then screw clockwise to screw the thimble screw.
6. Make sure you install the sewing needle in place until it cannot be inserted further in. To install a normal sewing needle [17] you must insert 7.5 mm into the end of the needle bar [16] [as shown in Fig. 5]. Otherwise, it will cause damage or skipped stitches.

Attention:

Pay attention to the following points during the installation of the sewing needle:

1. Make sure the sewing needle is in perfect conditions.

The sewing needles shown in Fig. 1 below will cause problems:

A: curved needle

B: blunt needles

C: needle with damaged pinpoint

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1. The flat part of the sewing needle shall be installed by turning the upper side, as shown in Fig. 2.

2.2.7. threadings

1. Insert the thread stand [43] stored in the accessories box [25] onto the groove [31] on the back of the machine, as shown in Fig. 1 above.
2. Put the bobbin on the thread stand [43], as shown in Fig. 2.
3. Pass the thread of the bobbin through the hole of the winding slice [6] from back to front, as shown in Fig. 3.
4. Pull the thread to the thread guide 1 [8], as shown in Fig. 4.

1. Put the thread into the thread clamp [9] after passing through the thread guide 1(8), as shown in Fig. 5.
2. Wrap the thread from the thread guide 1 [8] to the thread guide 2 [11] after passing through the thread clamp [9], as shown in Fig. 6.
3. Slide the end of the thread through the take-up lever [12], as shown in Fig. 7.
4. Slide the thread through the thread guiding spring 1 [13] after passing through the take-up lever [12], as shown in Fig. 8.

Close-up of a hand holding a water bottle with a metal stand (no visible text or symbols)

Close-up of a hand using a sewing machine to work on a metal surface (no visible text or symbols)

Close-up of a person using a sewing machine on a workbench (no visible text or symbols)

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1. Slide the thread through the thread guiding spring 2 [15] after passing through the thimble ring [14], as shown in Fig. 10.
2. Wrap the thread end through the thread guiding spring 2 [15] to the pinhole of the sewing needle [17], as shown in Fig. 11.
3. Threading can be assisted by the threader [45], as shown in Fig. 12. Thread the steel wire of the threader [45] and pass it through the pinhole of the sewing needle [17]. Hold the thread end by hand and pull back the threader [45]. The thread end will pass through the pinhole of the sewing needle [17].

Attention

1. Make sure the thread passes through the thread clamp [9]. When the thread passes through thread clamp [9], poke slightly the thread clamp [9] to make sure there is no thread jamming.
2. It is strictly required to follow the steps above during threading.

2.2.8. Installing and extracting the Bobbin thread

1. Lift the presser foot and hold the upper thread by hand with an extraction length of about 10 cm, as shown in Fig. 1.

2. Extract the accessories box [25] from right to left, as shown in Fig. 2.

3. Take down the transparent cover [23], as shown in Fig. 3.

4. Put the bobbin [44] into the rotating shuttle of the bobbin thread, as shown in Fig. 4.

Technical line drawing of two mechanical components, one showing a circular housing with bolt holes and the other showing a cross-sectional view (no text or symbols)

Attention

Make sure that when you put the bobbin, the direction of the thread end is clockwise, as shown in the above Fig.

Close-up of mechanical components including a foot and a gear-like structure (no visible text or symbols)

Close-up of a mechanical device with no visible text or symbols

Close-up of a hand operating a cylindrical device with a circular button (no visible text or symbols)

Close-up of a mechanical device with a hand and foot, no visible text or symbols

1. Pull out 10 cm of the thread end from the bobbin, as shown in Fig. 5.

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1. Put the pulled bobbin thread and upper thread to the left by hand, as shown in Fig. 6.

2. Rotate the hand wheel [27] counter clockwise in order to make the needle move up and down after the bobbin thread and upper thread have been put to the left, as shown in Fig. 7.

3. Hold the upper thread on the left hand during the rotation of the hand wheel [27] to make the needle move up and down, as shown in Fig. 8.

4. The upper thread will lift the bobbin thread when the needle moves down and up. Pull both to the back and press them under the presser foot [21] with 10 cm pulled out, as shown in Fig. 9.

1. Put the transparent cover [23] on after the bobbin thread and upper thread are pressed under the presser foot [21], as shown in Fig. 10.

2.2.9. Introduction to applicable functions

1. Please use them in strict accordance with the following steps in sewing.
2. On the function indication panel, functions from 1-12 are for ordinary sewing while functions from 13-16 are for button eyes sewing. Please choose function 1 and 2 for zipper sewing.
3. The function adjustment wheel [3] is not allowed to rotate when the machine is running.
4. Adjusting the function adjustment wheel [3] requires rotating hand wheel [27] counter clockwise to lift the sewing needle [17] to the highest position.

2.2.10. Texture-relative attentions:

1. The machine cannot provide ordinary sewing to elastic textures, such as towel cloth, lint, elastic knitted fabric, etc.
2. Texture thickness recommended: 0.3 mm-1.8 mm.

2.2.11. Ordinary sewing

1. Use the presser foot [37] for ordinary sewing.

2. It requires accomplishing "preparation before operation" step by step as described in the instructions before sewing.

3. Different stitches of ordinary sewing can be selected with the function adjustment wheel whose numbers correspond to the figure shown on functions indication panel [2], enabling you to choose different stitches according to different needs. Please refer to the following Figs. for more information.

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It requires adjusting the function adjustment wheel [3] to function 1 or 2 for straight sewing.

Close-up of a hand adjusting a circular mechanical component (no visible text or symbols)

Laboratory setup with equipment and glassware (no visible text or symbols)

Close-up of hands holding a cylindrical mechanical component (no visible text or symbols)

1. Rotate the hand wheel [27] counter clockwise, as shown in Fig. 1.
2. Rotate the hand wheel [27] counter clockwise to lift the pinpoint of the sewing needle [27] above the presser foot [21], as shown in Fig. 2.
3. Adjust the function adjustment wheel [3] to function 1 or 2, as shown in Fig. 3.

Close-up of a medical device with black connectors and a foot resting on a device (no visible text or symbols)

1. Move the presser bar lifter [32] upward, lift the presser foot [21] and pull the bobbin thread and upper thread backwards for about 10 cm, as shown in Fig. 4.
2. Put the fabric under the presser foot [21] and move the presser bar lifter [32] downward to hold the fabric, as shown in Fig. 5.
3. Turn the power switch [28] "ON" and stamp the foot switch [35] gently to start sewing, as shown in Fig. 5.

1. Guide the fabric gently during sewing, as shown in Fig. 7.
2. Rotate the hand wheel [27] counter clockwise after finishing sewing to lift the sewing needle to the highest position, as shown in Fig. 8.
3. Move the presser bar lifter [32] upwards and lift the presser foot [21], as shown in Fig. 9.
4. Move out the fabric and cut the thread with the thread cutter [26], as shown in Fig. 10.

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2.2.13. "Zigzag" sewing

The "Zigzag" stitch sewing method is the same as for straight sewing except for adjusting the function adjustment wheel [3] to function 4, 5, and 6.

1. Adjust the function adjustment wheel [3] to function 4, 5, and 6, as shown in Fig. 1.

1. The sewing procedure is the same as steps for straight sewing [Please refer to chapter 2.12. of this instruction].

2.2.14. Three-needle "Zigzag" sewing

The three-needle "Zigzag" stitch sewing method is the same as for straight sewing except for adjusting the function adjustment wheel [3] to function 8.

Three technical illustrations showing different types of fabric or material patterns: a triangular block, a diagonal line with a handle, and a textured square with a central hole (no text or symbols present)

1. Adjust the function adjustment wheel [3] to function 8, as shown in Fig. 1.
2. The sewing procedure is the same as steps for straight sewing [Please refer to chapter 2.12. of this instruction].

2.2.15. Blind sewing

The blind stitch sewing method is the same as for straight sewing except for adjusting the function adjustment wheel [3] to function 9 and 10.

1. Adjust the function adjustment wheel [3] to function 9 and 10, as shown in Fig. 1.

2. The sewing procedure is the same as steps for straight sewing [Please refer to chapter 2.12. of this instruction].

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(2)

2.2.16. Button Hole sewing

Button hole sewing requires the button hole presser foot [38].

1. Change the button hole presser foot [38] according to the instructions described on 2.5.

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1. Measure the diameter of the button.
2. Draw a straight line a little longer than the button diameter on the fabric where the button hole sewing is needed.
3. Lift the presser foot and put the fabric with the straight line under the presser foot, make the straight line on the fabric correspond to the sewing needle [17] as well as the button hole presser foot [38].

1. Rotate the hand wheel [27] to lift the sewing needle [17] to the highest position and then adjust the function adjustment wheel [3] to function 13.
2. Stamp the foot switch [35] gently to start sewing.
3. The sewing machine will sew at medium speed. Release the foot switch until the end of the marking line to stop sewing.
4. Rotate the hand wheel [27] to lift the sewing needle [17] to the highest position and then adjust the function adjustment wheel [3] to function 14.

1. Stamp the foot switch [35] gently to start sewing. Finish by sewing for 5-6 stitches horizontally and then release the foot switch to stop sewing.
2. Rotate the hand wheel [27] to lift the sewing needle [17] to the highest position and then adjust the function adjustment wheel [3] to function 15.
3. Stamp the foot switch [35] gently to start the right hole sewing and the sewing needle will move further and further from the button hole. Release the foot switch until the end of the marking line to stop sewing.
4. Rotate the hand wheel [27] to lift the sewing needle [17] to the highest position and then adjust the function adjustment wheel [3] to function 16.
5. Stamp the foot switch [35] gently to start sewing. Finish by sewing for 5-6 stitches horizontally and then release the foot switch to stop sewing.
6. Lift the presser foot, take out the fabric and cut the thread.

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2.2.17. Zipper sewing

Zipper sewing requires the zipper presser foot [39].

1. Change the zipper presser foot [39] according to the instructions described on 2.5. (The zipper presser foot can be installed on both left and right sides according to your convenience.)

1. Rotate the hand wheel [27] to lift the sewing needle [17] to the highest position and then adjust the function adjustment wheel [3] to function 1 or 2.
2. Lift the presser foot and unzip the zipper to make the zipper teeth of a single side well matched with the fabric. Put them under the presser foot and place the pinpoint of the sewing needle [17] 6-8 mm away from the zipper edge. Move the presser foot lifter [32] downwards to lower the presser foot.
3. Stamp the foot switch [35] gently to start sewing.
4. When sewing up to the zipper head, stop the sewing machine to take out the sewing fabric and move the zipper head to the previously sewed position so to avoid uneven zipper head sewing. Then continue sewing. Sew the other side of the zipper using the same method. Pay attention to the match between the two sides of the zipper.

2.2.18. Reverse

Press the reverse button when finishing sewing and sew several stitches to strengthen them and avoid stitches from becoming loose, as shown in below Fig. Reverse stitches shall not exceed 5 cm. Release the reverse button and the sewing machine will start sewing forward again.

2.2.19. Thread cutting

Use the thread cutter [26] to cut the thread, as shown in below Fig.

Close-up of a person's arm holding a tool, possibly a device or tool, with no visible text or symbols.

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2.2.20. Winding

1. Insert the thread stand [43] stored in the accessories box [25] onto the groove [31] on the back of the sewing machine, as shown in Fig. 1.
2. Put the bobbin on the thread stand [43], as shown in Fig. 2.
3. Wind the bobbin thread through the clamp above the winding slice [6], as shown in Fig. 3.
4. Move the winding bar [5] to the left, as shown in Fig. 4.

1. Insert the empty bobbin onto the winding bar [5], as shown in Fig. 5.
2. Wind the thread that passed through the clamp above the winding slice [6] on the empty bobbin for several cycles, as shown in Fig. 6.
3. Move the winding bar [5] in which you inserted the bobbin to the left, as shown in Fig. 7.
4. Move the stop block [4] to different positions according to different needs. [Or keep the stop block at its original position].

1. Turn the power "ON", as shown in Fig. 9.
2. Stamp the foot switch [35] to start winding, as shown in Fig. 10.
3. The empty bobbin will automatically move to the left under the impact of the stop block as soon as the bobbin is full, as shown in Fig. 11.
4. Release the foot switch and the sewing machine will stop. Cut the thread end from the winded bobbin.

2.2.21. Thread tension adjustment

Just as shown in below Fig., a slight adjustment to the thread tension is required due to different sewing fabric's flexibility and materials, sewing thickness, and fabric layers. The thread tension adjustment wheel [10] is used to adjust thread tension [as shown in below Fig.].

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Close-up of a hand pressing down on a white object with measurement arrows (no visible text or symbols)

Please refer to the following pictures for judgment on the thread tension:

Close-up of a sewing machine needle and base mount (no visible text or symbols)

(A)

Close-up of a sewing machine needle stitching fabric (no visible text or symbols)

(B)

Close-up of a sewing machine needle stitching dark fabric with visible stitching pattern (no text or symbols)

(C)

A. Normal tension [The upper thread and bobbin thread show consistency between the front and the back]
B. Over tension [The bobbin thread shows cycles on the fabric's front side]
C. Over loose [The upper thread shows cycles on the fabric's back side]

Adjusting the upper thread's tension:

1. First, poke the thread clamp [9] to make sure if the thread is jammed or not.
2. Push the thread tension adjustment wheel [10] and sew. Adjust to the best stitching effect while sewing, as shown in Fig. 2.

(1)

(2)

Adjusting the above mentioned "B: Over tension [The bobbin thread shows cycles on the fabric's front side]": Adjust the thread tension adjustment wheel [10] from 9 to 0, or adjust the thread tension adjustment wheel from a large number to a small number.

Adjusting the above mentioned "C: Over loose [The upper thread shows cycles on the fabric's back side]": Adjust the thread tension adjustment wheel [10] from 0 to 9, or adjust the thread tension adjustment wheel from a small number to a large number.

2.2.22. Double sewing

1. Double sewing requires applying the presser foot [37].

2. Only function 1 and 2 on the function adjustment wheel [3] can be applied during double sewing.

3. Change to the double needle [42] according to the instructions on 2.6.

Close-up of a black mechanical tool with a handle and central knob (no visible text or symbols)

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1. Rotate the hand wheel [27] to lift the sewing needle [17] to the highest position and then adjust the function adjustment wheel [3] to function 1 or 2.
2. The sewing procedure is the same as steps for straight sewing [Please refer to chapter 2.12. of this instruction].

2.3. Troubleshooting

Fault Reason Correction

Upper thread breakages	1. Incorrect threading;2. The thread is over tensioned;3. The thread is too thick to the needle;4. The sewing needle is incorrectly inserted;5. Defective bobbin;6. Damaged needle.	1. Re-threading;2. Reduce tension;3. Choose a bigger needle;4. Remove and reinsert the needle;5. Replace with a better bobbin;6. Replace with a better needle.
Skipped stitch	1. The sewing needle is incorrectly inserted;2. Damaged needle;3. Incorrect size of needle;4. Improper cooperation of the presser foot;5. Threading did not follow the requirements.	1. Change the needle and reinsert;2. Replace with a good needle;3. Choose an appropriate needle to the thread and fabric;4. Check and correct the presser foot configuration;5. Re-threading according to the above correct method.
Needle breakages	1. Damaged needle;2. The sewing needle is incorrectly inserted;3. Incorrect size of needle [for fabric];4. Improper cooperation of the presser foot;5. Over tension of the thread feeding;6. It is forbidden to pull the fabric hard during operation;7. Threading did not follow the requirements.	1. Replace with a good needle;2. Insert the needle correctly [flat part backwards];3. Choose the appropriate needle;4. Install the presser foot correctly;5. Adjust to the appropriate tension;6. Do not operate like this;7. Re-threading according to the above correct method.

Fault Reason Correction

Loose stitch[looping stitches]	1. Incorrect threading;2. Incorrect bobbin installation;3. Unreasonable adjustment of the stitch length;4. Over tension	1. Check the threading;2. Place the bobbin correctly;3. Choose a sewing needle with the right specification;4. Adjust the tension;
Puckers or folding	1. The needle is too big for the fabric;2. Unreasonable adjustment of the fabric's feeding length;3. Over tension of the upper thread.	1. Choose a better needle;2. Choose appropriate functions for short fabric feeding;3. Adjust to the upper thread's appropriate tension.
Unsmooth stitches and uneven fabric feeding	1. Poor thread quality;2. Wrong bobbin threading;3. The fabric was jammed.	1. Choose a better thread;2. Re-threading correctly;3. Do not pull and drag the fabric during sewing.
Thread jamming	1. The upper thread was hooked on the hook plate;2. The upper thread was hooked on the bobbin.	1. It is mainly caused by incorrect threading. Cut the upper part of the thread, remove the bobbin and smooth the hooked thread;2. Put on the transparent cover while sewing.

Attention:

The sewing needle, the thread and fabrics must be well-matched.

3. TECHNICAL SPECIFICATIONS

Power supply: 230 V \~ 50 Hz

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4. PoSt-SalE SErvlcE

KUNFT has designed this appliance in order to guarantee maximum reliability. However, if a problem occurs do not attempt to open the appliance - there is a risk of electrical shock. If you are not able to solve the problem, please contact the Customer Support Service of any Worten, Modelo or Continente store in order to be assisted. Worten Equipamentos para o Lar provides a 2-year warranty for manufacturing defects from the date of purchase of the appliance.

WARNING: any attempt to repair the appliance without contacting the manufacturer or seller will void the warranty.

All users must be familiar with these instructions. Knowing what could go wrong can help prevent problems from occurring.

5. ENvlroNmENtal ProtEctIoN

In order to protect the environment, we strive to reduce the volume of packaging used, limiting it to three easily sorted materials: cardboard, paper and plastic.

The appliance is manufactured using recyclable materials after disassembled by a specialized company. Please comply with local regulations concerning the recycling of all materials.

24

máquina de coser

KSM2612

ES

Estimado cliente:

31

kunft.®

Black electronic device with two labeled connectors (35 and 36) and a power adapter, shown against a plain background (no text or symbols on the device itself)

1. Prensa-telas
2. Pie para ojales para prensa-telas
3. Pie para cremalleras
4. Placa para coser botones
5. Agujas [2 unidades]

6. Aguja para punto doble

7. Espiga para carrete auxiliar

8. Bobinas [2 unidades]
9. Placa para el enhebrado de aguja
10. Corta-hilos
11. Destornillador

Close-up of hands operating a sewing machine needle over fabric (no visible text or symbols)

Close-up of a hand using a sewing machine to press small metal parts (no visible text or symbols)

Close-up of hands using a sewing machine to print or fabric (no visible text or symbols)

máquina de coser

KSM2612

ES

Close-up of a sewing machine needle stitching fabric (no visible text or symbols)

Close-up of a sewing machine needle stitching fabric (no visible text or symbols)

Close-up of a robotic arm operating a machine, with motion blur visible (no text or symbols)

Close-up of a hand pouring liquid from a metal pipe into a container (no visible text or symbols)

Close-up of a hand operating a sewing machine needle (no visible text or symbols)

Close-up of hands using a sewing machine to work on fabric (no visible text or symbols)

Close-up of a mechanical component with no visible text or symbols

Close-up of a mechanical device with visible components and wiring (no text or symbols)

Close-up of a hand pressing down on a white cylindrical component (no visible text or symbols)

Black-and-white illustration of a mechanical device with gears and a handle (no visible text or symbols)

Close-up of a hand operating a cylindrical mechanical component (no visible text or symbols)

Interior view of a laboratory or lab setup with equipment and tubing (no visible text or symbols)

Close-up of a hand holding a cylindrical object, possibly a mechanical part or tool, with no visible text or symbols.

Close-up of a medical device with attached wires and a foot, no visible text or symbols

Three technical illustrations of fabric or textile components: diagonal stripes, needle, and textured square (no text or symbols)

1. Change the zipper presser foot [39] according to the instructions described on 2.5. (The zipper presser foot can be installed on both left and right sides according to your convenience.)

Press the reverse button when finishing sewing and sew several stitches to strengthen them and avoid stitches from becoming loose, as shown in below Fig. Reverse stitches shall not exceed 5 cm. Release the reverse button and the sewing machine will start sewing forward again.

Use the thread cutter [26] to cut the thread, as shown in below Fig.

Close-up of hands interacting with a device (no visible text or symbols)

2.2.20. Bobinado

Close-up of a hand pressing down on a white surface with a small component and directional arrows (no text or symbols visible)

Close-up of a mechanical device with no visible text or symbols

(A)

Close-up of a sewing machine needle stitching a dark fabric surface (no visible text or symbols)

(B)

Close-up of a sewing machine needle stitching dark fabric, with no visible text or symbols

(C)

Close-up of a black mechanical tool with a handle and base, isolated on white background (no text or symbols visible)

Close-up of hands using a sewing machine to cut fabric or material (no visible text or symbols)

Close-up of a hand operating a sewing machine needle (no visible text or symbols)

Close-up of hands using a sewing machine to print or fabric (no visible text or symbols)

Close-up of a sewing machine needle stitching fabric (no visible text or symbols)

Person operating a sewing machine on a fabric mat (no visible text or symbols)

Close-up of a sewing machine needle stitching a light-colored fabric (no visible text or symbols)

máquina de costura

KSM2612

PT

Four-panel black-and-white photo showing mechanical components and a hand holding a tool, no visible text or symbols

Four-panel black-and-white photo showing a sewing machine needle stitching fabric, with no visible text or symbols.

Three-panel black-and-white photo sequence showing hands operating a small electronic component, with no visible text or symbols.

máquina de costura

KSM2612

PT

Close-up of a mechanical device with gears and a foot (no visible text or symbols)

Black-and-white photo of a sculpted figure with ornate details, possibly a dragon or phoenix, on a curved surface (no visible text or symbols)

Close-up of a hand pressing down on a circular mechanical component (no visible text or symbols)

Close-up of a mechanical device with no visible text or symbols

kunft.®

Two-panel black-and-white photo showing a robotic arm in operation, labeled 9 and 10 (no visible text or symbols)

Close-up of a hand pressing down on a cylindrical mechanical component (no visible text or symbols)

Close-up of a laboratory setup with equipment and tubing (no visible text or symbols)

Close-up of a hand holding a cylindrical object with a dark border (no visible text or symbols)

Close-up of a medical device with attached wires and a foot, no visible text or symbols

Three technical diagrams showing different mechanical or structural components (no text or symbols present)

Four-panel black-and-white photo sequence showing mechanical testing setup, measuring tape, measuring cup, and measuring tool (no visible text or symbols)

Four-panel sequence showing a sewing machine with a knob, labeled 5 to 8 (no visible text or symbols)

Four-panel sequence showing a sewing machine needle and a close-up of the needle, labeled 9 to 12 (no text or symbols on the diagrams themselves)

Close-up of hands operating a sewing machine with a focused lens (no visible text or symbols)

Close-up of a white electronic device with a keypad and circular button (no visible text or symbols)

Close-up of a person's arm holding a large object, possibly a device or tool, with no visible text or symbols.

Close-up of a car's front panel with a hand pointing to a component, showing no visible text or symbols.

Close-up of a sewing machine needle and base mount (no visible text or symbols)

(A)

Close-up of a sewing machine needle stitching fabric (no visible text or symbols)

(B)

Close-up of a sewing machine stitching fabric with visible stitching pattern (no text or symbols)

(C)

Close-up of a black mechanical tool with a handle and base, isolated on white background (no text or symbols visible)

Color calibration bar with grayscale gradient and a central crosshair symbol (no text or labels)

NOTES / NOTAS

73

kunft®

sewing machine

is perfectly enough

KSM2612