Introduction

Congratulations on choosing to buy a Delta product. By doing so you now have the assurance and peace of mind that comes with purchasing a product made by one of the leading manufacturers. All products brought to you by Delta are manufactured to the highest standards of performance and safety, and, as part of our philosophy of customer service and satisfaction, are backed by our comprehensive 3 Year Warranty. Please fill in and return the Warranty Card to the address provided. We hope you will enjoy using your purchase for many years to come.
Helpline No. UK/ North Ireland Rep. Ireland 1-800-Web Support www.medion.co.uk Model Number: MD 11871

Overview

Main components
Caption of figure on page 4 1. Reverse lever 2. Stitch type selection dial 3. Stitch length regulator 4. Bobbin winder 5. Bobbin spindle 6. Spool holders 7. Winder tension disc 8. Thread guide 9. Thread take-up lever 10. Thread tension disc 11. Front flap / bulb cover 12. Sewing foot pressure selection dial 13. Ripper 14. Sewing foot 15. Needle plate 16. Extendable cloth plate with accessories box 17. Handle 18. Hand wheel 19. Main switch (motor and light) 20. Plug housing for foot pedal 21. Sewing foot holding screw 22. Free arm 23. Sewing foot lever 24. Double needle (twin needle) button

General Information

Please read these operating instructions thoroughly and follow the safety notes in particular before using the appliance for the first time! Anything done to or with this appliance should only be undertaken as described in the operating instructions. Keep these instructions in a safe place for further use. If you pass on this sewing machine to a third party, please include these instructions.
Areas of use / Purpose of use
This appliance is intended solely for household use. This appliance is not intended for use by persons (including children) with reduced physical, sensory or mental capabilities, or lack of experience and knowledge, unless they have been given supervision or instruction concerning use of the appliance by a person responsible for their safety. Children should be supervised to ensure that they do not play with the appliance. The sewing machine should never be allowed to get wet there is the danger of electric shocks! When the sewing machine is on, never leave it unattended. Do not use the machine out of doors. The appliance can only be operated using the supplied foot pedal model HKT7.

Included in the box

Check that nothing is missing from the packaging and inform us of any missing parts within 14 days after purchase. The delivery of the sewing machine you have purchased includes: 1. 2. 3. 4. 5. Sewing machine Table extension with accessory box Foot pedal Cover hood Operating instructions and guarantee documents

Accessories

Sewing foots

1) 2) 3) 4) 5) 6)

Standard foot (straight stitch/zigzag stitch) (already attached) Zip sewing foot Buttonhole sewing foot Button sewing foot Hemming foot Blind stitch foot

Other accessories

7) 8) 9) 10) 11) 12) 13)
Guiding plate Buttonhole knife (disconnecting knife) with brush Screwdrivers (small and large) Spare bobbin (4) Finger protector (already attached) Selection of needles (5 universal needles and 1 twin needle) Oilcan

Safety instructions

Keep electrical equipment out of reach of children
Children are not aware of the dangers posed by electrical equipment. Never allow children to use the sewing machine unsupervised. Remember that needles can also cause injury even when the machine has been turned off. Keep the packaging out of the reach of children. There is a risk of suffocation.
Mains cable and mains connection
Only connect the appliance to a power socket (230 V ~ 50 Hz) that is easy to reach and is close to the place where you have set up the appliance. The power socket must be freely accessible so that you can unplug the appliance quickly, if necessary. When you unplug the appliance, always take hold of the plug itself, not the cable. Fully unwind the cable during operation of the appliance. The mains cable and extension cable must be positioned so that no one can trip over them. Never expose the cable to hot surfaces. When you perform the following activities, switch off and unplug the sewing machine: Threading, changing the needle, setting the sewing foot, replacing the light bulb, cleaning and maintenance work, when you have finished sewing, and if your work is interrupted.

Never undertake your own repairs
If the plug, cable or appliance is damaged, pull the mains plug immediately. If the sewing machine or mains cable has visible damage, the appliance must not be used, in order to avoid risks. Warning Never try to open and/or repair the appliance yourself. There is a risk of electric shock! If there is a fault contact our Service Centre or other suitable specialist workshop.
Handling the appliance safely
Place the sewing machine on a sturdy, level work surface. During operation, the air vents must not be blocked: Do not allow any objects (e.g. dust, threads, etc.) to enter the vents. Only use the accessories supplied. Only use special sewing machine oil to oil the appliance. Do not use any other liquids. Be careful when using the moving parts of the machine, in particular the needle. There is the risk of injury even when the machine has been turned off. When sewing, make sure that your fingers are never underneath the needle holding screw. Do not use bent or blunt needles. When sewing, do not hold the fabric tight or pull the fabric. The needles could break. When you have finished sewing, always move the needle to its highest position.

Cleaning and storage

Before cleaning, remove the plug from the mains socket. Use a dry, soft cloth to clean the appliance. Avoid the use of chemical solutions and cleaning products because these may damage the appliance surface or markings. Always store the sewing machine using the cover hood provided to protect the machine from dust.

Getting Started

Electrical connections
The power switch turns both the machine and the sewing light on.
Put the coupler plug of the supplied foot pedal into the connector housing on the machine and then put the mains plug into the socket. Only use the supplied foot pedal model HKT7. Once you have finished working or before you start maintenance, always turn off and unplug the machine.

Foot pedal

The foot pedal controls the sewing speed. Note: The tighter the switch is pressed, the faster stitching goes.

Sewing light bulb

The sewing light bulb you will find behind the front flap. Warning! Before carrying out any maintenance work, please always turn off and unplug the machine. Remove the cover of the screw and unscrew. Take off the front flap. Hold the bulb and screw off to the left to take out the bulb. Hold the bulb and screw on to the right to fit over a new bulb.
Place the front flap and screw it tight. Note: The maximum permitted light bulb power rating in 15W. Light bulbs are available from specialist retailers.

Extendable cloth plate

The machine has a free arm and is supplied with an extendable cloth plate. Carefully pull the extendable cloth plate to the left to disassemble it. To attach the cloth plate, carefully place it to the projection guide in front and back and push it to the right until it catches.
Merits and application of free-arm cloth plate stitching Sewing with free arm cloth plate avoids that cloth piled up in front of needle while sewing pockets, tucks and waist edges. Sew sleeves, waist edges, trouser legs or other roundshaped costumes. Sew darn knees, elbows and children clothes.

Accessories box

The accessories box is integrated in the table extension. To open it, simply lift the lid of the table extension towards you.

Spool holders

You can push down the spool holder for transporting or packing the machine. Pull up the spool holder when sewing before sewing Press the spool holder down before the machine is packed Note In case that the thread in use is tangling easily with spool holder or is knotting, you can pull the thread through the hole.

Finger protector

This accessory prevents your hand from accidentally getting under the needle.

Removing the sewing foot

Turn the hand wheel towards you until the needle has reached its highest position. If the sewing foot is down, raise it by pushing up the sewing foot lever.
Push up the sewing foot release lever behind the sewing foot holder to release the foot. The sewing foot drops out. Attach the desired sewing foot so that the pin on the foot is directly under the groove of the foot holder. Lower the sewing foot lever. Now push the sewing foot release lever upwards. The sewing foot automatically clicks into place.

Replacing the needle

Turn the hand wheel towards you until the needle has reached its highest position. Lower the sewing foot. Loosen the needle holding screw by turning it anticlockwise. Remove the needle from the needle holder. Insert a new needle with the flat side facing backwards. Push the needle upwards until it can go no further. Tighten the needle holding screw again.
Note: Regular checking is necessary to ensure that the needle is never twisted or blunt. Knitting materials, like silk or silk fabrics may frequently encounter knots and skipping stitches, which are often caused by the damaged needles.

Thread and needle chart

Needle size 60 (#7) 70 (#10) 80 (#12) (#12 14) (#14 16) (#14 18) Elastic stitching 70 (#10) Knitting materials 100 - 140 Material Fine silk Crepe Poplin, Pure Silk Woollen cloth, Cotton Wool Jeans materials Cotton thread Specification 30 Silk thread Specification 60 - 50
Remove and insert the bobbin case
Open the bobbin case cover (1). 1. Turn the hand wheel towards you until the needle has reached its highest position. 2. Hold on the bobbin exit (2) and pull out of the bobbin case of the machine. 3. Press the bobbin case handle (3) to the innermost to ensure joining when loading it into the bobbin case.
Winding thread to the bobbin
You can use the sewing machine to wind thread on to the bobbins easily. To do so, take the thread from the spool through the thread guide to the bobbin.

1. 2. 3. 4. 5.

Pull out the hand wheel slightly to prevent the needle from moving while you wind thread on to the bobbin. Pull one of the spool holders completely out and place a cotton reel on it. Draw thread from the spool through the bobbin winder-tension disc. Pull thread through the hole in the bobbin and insert the bobbin into the bobbin shaft. Turn the bobbin to the right. Hold the end of the thread and press down the foot pedal. Stop after several turns. Cut the excess thread close to the bobbin.
Press down again the foot pedal. Wind thread on to the bobbin until the bobbin is full. Stop the machine. Push the shaft to the left and cut the thread. Push the hand wheel to the left to close contact. (original position).
The needle will now move when you press the foot pedal.
Threading the bobbin case

1. 2. 3.

Load bobbin in bobbin case. Make sure that you pull out the thread in the direction indicated by the arrowhead (clockwise). Pull thread into the slit of bobbin case. Then pull thread through the bobbin tension-regulator spring to the outlet hole.
Note: Make sure, that you pull around 10 cm of thread out of the bobbin.
Threading the upper thread
Please read the following instructions carefully as an incorrect sequence or thread guiding can lead to broken threads, missed stitches and gathered fabric. A diagram of how to guide the thread is provided on the front flap; you can also use this drawing as a guideline.
Lower sewing foot and turn the hand wheel towards you until the needle has reached its highest position.
Place a cotton reel on the spool holder and make sure the thread comes from behind the cotton reel.

3. 4. 5. 6. 7. 8. 9.

Lead the thread through the pre-tension (1). Pass the thread along the right guide to the bottom and put it under the thread tension disc. Pass the thread upwards and pull up the thread tightly, which pushes up the inner guide spring. Insert the thread from the right side into the hook of thread take-up lever (3). Now guide the thread along the left guide towards the needle and pass it through the upper thread hook (4). Then pass the thread further down and through the second thread hook (5). Pass the thread through the eye of the needle (6) from the front to the back and leave a thread end of around 10 cm.
Note An upper thread tension of 3 is ideal for most applications.

Draw up the lower thread

Lift sewing foot and hold the upper thread lightly with your left hand. Keep turning forward the hand wheel until thread take-up Iever is at its highest position. Pull the upper thread upwards slightly to draw up the lower thread. 3) Pull both threads out and pass them under the sewing foot toward the back. Leave 5 cm of both threads.

Fit the guiding plate

For several stitch type it is recommeded to use the guiding plate. 1. Lower sewing foot, release the screw of the fixed sewing foot and push forward the guiding plate between the screw and footplate groove. 2. Fix the screw and make sure that the stopper of guiding plate should be installed in the middle of footplate.

Settings

Adjusting the upper thread tension
While doing straight stitching, both upper and lower threads must be knotted between the two layers of garment. Adjust selection dial of thread tension disc within the window.
Select upper thread tension
The lower the number is, the lower the tension will be.
The higher the number is, the higher the tension will be.
The tension you require depends on the strength and thickness of the fabric, the number of layers of fabric you want to sew and the type of stitch you choose.
Tension of upper thread in case of zigzag stitching
In order to achieve good effect of zigzagging, the tension of upper thread should be less than that of straight stitching. The upper thread should be visible from the reverse.

Selecting Double Needle

Turn double needle (twin needle) switch to position if you require sewing double stitches. Turn double needle (twin needle) switch to position if you require sewing single stitches, otherwise the stitches would be narrower.

Select the stitch type

On this sewing machine, you can select a number of different stitch types.
1. 2. Turn the hand wheel towards you until the needle is pulling out from fabric. Select the desired stitch type by turning the stitch type selection dial. (Please see Relationship between stitch types and settings on page 24)
Width of stitches changes seamlessly from positions 3 to 5. When sewing elastic stitches and double action stitches 1 -. regulator must set to position + 1 -

the stitch length

Select stitch length
Turn the stitch length regulator to the desired stitch length. (Please see the stitch types on page 24)
When you would like to sew elastic stitches or double action stitches 1 -. They can be used with turn the stitch length regulator to position + 1 double needle as well. is the correct range of adjustment for making buttonholes. Position Range from 0.5 to 4 can be used of zigzag stitching.
How to make the elastic stitches better?
In case the elastic stitch turns out to be unsatisfactory, you may turn the selection dial to - " and in this way, stitches would be thicker while turning to +" they would be more sparse.
Relationship between stitch types and settings
Note: Always raise the needle to its highest position before selecting the pattern. Stitch length regulator 0,5 - 1 Upper thread tension 3-5
Stitch type selection dial
Stitch Patterns for sewing buttonholes Straight stitch Needle position: middle Straight stitch Needle position: left Zigzag

1,5 - 4

1-4 1-2 1-4 1-2 1-4 1-2

2-6 4-6 2-6 4-6 2-6 4-6

Zigzag

Sewn zigzag (overlock)

Elastic blind-stitch

Stitch

Stitch length regulator 1-3

Upper thread tension 4-6

Elastic blindstitch small

Shell-stitch

Elastic stitch Triple straight stitch Needle position: middle Triple straight stitch Needle position: left Triple Zigzag

1 or 2

Triple Zigzag
Triple Zigzag Honeycomb stitch / Smoking stitch Elastic decorative stitch
Stitch Elastic decorative stitch Stretchoverlock (elastic) Doubleoverlock (elastic)
Stitch length regulator +1-

Upper thread tension 2-6

Adjusting the lower thread tension
The lower thread tension rarely needs to be adjusted, as it was setting by the manufacturer for general sewing work. The lower thread tension is correct if you can pull the thread out of the bobbin easily but with a slight resistance. However, the lower thread needs to be adjusted for particularly lightweight or heavy fabrics. You set the lower thread tension by using the regulating screw on the bobbin case. Adjust the screw using the small screwdriver provided.
Remove the bobbin case: Low tension: Turn the screw anticlockwise Higher tension: Turn the screw clockwise.

Changing the sewing direction
1. 2. 3. Stop the machine and turn the hand wheel towards you until the needle is in the fabric. Raise the sewing foot and turn the fabric around the needle to change the direction as desired. Lower the sewing foot and continue sewing.

Cutting the thread

Cut the thread using the thread cutter behind the sewing foot or with a pair of scissors. Leave around 15 cm of the thread hanging from the eye of the needle.
Using the strips of leg wire on the needle plate
The Strips of leg wire on the needle plate is of great help to maintaining width between the needle and the thread. Instruction: these data conform to the distance between strips of leg wire and the needle. Caption of figure (1) Strips of leg wire (2) Comer (3) Needle plate (4) Hole of needle plate (5) The width of sewing to the center of needle
Figure on the needle plate Spacing in cm

10 1.0

15 1.5

20 2.0

3/8 1.0

4/8 1.3

5/8 1.6

6/8 1.9

Sewing a right angle
While doing right stitches, a space of 1.6 cm should be kept apart from the edge of fabric 1. When the edge of fabric is aligned with the corner, stop the machine 2. Turn the hand wheel towards you until the needle is dropping into the fabric. 3. Raise the presser foot, turn the fabric around the needle to change direction until its edge is aligned with the strip of leg wire of 5/8 (1.6 cm). 4. Lower the presser foot and sew in the new direction.

Using the Stitch Types

Straight stitch
Sewing foot...Standard foot Stitch type... 1 or 2 Stitch length... 1.Upper thread tension..Suitable for general sewing and for top stitching.

Zigzag stitch

Sewing foot...Standard foot Stitch type... 3 - 5 Stitch length....Upper thread tension..The stitch is used for making over-lock so that thread at the edge of cloth shall not fall apart. Before you use the zigzag stitch, sew a few straight stitches to reinforce the stitching. TIPS FOR ZIGZAG STITCHES For a better zigzag stitch, the upper thread tension must be lower than for straight stitches. The upper thread should be slightly visible on the underside of the fabric.

Sewn Zigzag

Sewing foot...Standard foot Stitch type.... 6 Stitch length....Upper thread tension..The stitch is used for synthetic materials and other materials that get folds easily. It also suits over-lock to avoid threads falling apart. It is fit for sewing elastic bends and darning. Leave a strip of hemming-stitch with 1.5 cm. Cut off the strip of hemming-stitching after sewing.
Blind stitch for blind hemming
Sewing foot.. Standard foot with guiding plate.... or blind stitch foot Stitch type.... Stitch length....Upper thread tension..4 6

Overlock stitch (feather stitch)
Sewing foot...Standard foot Stitch type.... 9 Stitch length....+ 1 Upper thread tension..You can use this stitch for an attractive and lasting stitch to trim the edges of materials that fray easily. Position the fabric under the foot so that the stitch is made over the edge. Lower the sewing foot and start sewing, guiding the fabric gently.
Double overlock stitch (overlock-overcast stitch)
Sewing foot...Standard foot Stitch type... 10 Stitch length....+ 1 Upper thread tension..Fold in both sides with 1.5 cm each and iron it. The folded sides should be fixed to non-woven textiles with spacing of 0.3 cm. Slowly stitch and make sure that each stitch should reach the folding edges.

Sewing buttonhole

(1) (2)
Sewing foot...Buttonhole foot Stitch type...
Stitch length.... 0.5 - 1 Upper thread tension...3 - 5 Stitch width is to be chosen arbitral with in between 0 and 1 range according to variation of stitch length. (1) For thicker stitching, adjust selection dial to "O". Satin stitches suit lightweight material. (2) For thicker stitching, adjust selection dial to "1. Loose stitches suit heavyweight material. Note: Make trial stitching on some small cloth to find out the optimum effect.
Make the marks of buttonhole carefully on the material. Pull forward slide (A), keep the mark (C) on it in conformity to the initial mark (B),The mark on the presser foot should be aligned with that of the material. Lower the sewing foot.
Instruction: marks on the slide should be carved in cm. 3. Adjust stitch selection dial to. Keep stitching forward until comes to the marks in front of the buttons and then stop sewing with needle pausing at top left. Adjust stitch selection dial to. Make 4-6 stitches before stopping sewing with needle pausing at top right. Adjust stitch selection dial to. Keep stitching backward until come to the marks at the back of buitons and then stop sewing with needle pausing at top right. Adjust stitch selection dial to. Make 4-6 stitches before stopping sewing with needle pausing at top left. After sewing: buttonholes, take out fabrics. Insert a pin at the back hole of buttonhole so that the end of thread of buttonhole will not be cutting off. Cut out the buttonhole carefully with a buttonhole cutter.

Note: Pin a safety pin in front of the top bar to stop you cutting through it.
Buttonholes with decorative stitching

1. 2. 3. 4. 5. 6. 7. 8.

Raise the foot plate of buttonholes sewing hang the laid in threads on the positioning cam (1) at the back of presser foot, Draw forward the end of additional thread under the presser foot and place it under the centre of presser foot. Hold tightly the additional thread and hook the fork in front of the sewing foot. Bring the needle into the fabrics before starting sewing and lower the presser foot. Slowly step down foot controller buttonholes, with each face of buttonholes encasing the laid-in threads Take out fabrics and clip sewing thread. Pull the laid-in threads from left side and hold it tightly. The end of thread should be wound to darning needle. Draw the thread to the back and clip.
Note: While cutting out buttonholes, pay attention to the instruction on page Fehler! Textmarke nicht definiert.
Sewing on buttons and hooks
Sewing foot.. button sewing foot (transparent) Stitch type... 3 - 5 Stitch length...0 Upper thread tension..Feed dog... discharged
You can use the transparent blue sewing foot to sew on buttons, hooks and eyes easily. Use the stitch type selection dial to select a zigzag stitch width that corresponds to the distance between the holes. 1. 2. Align both holes of the button with groove slots while placing the left hole of button directly under the needlepoint. Low sewing foot Check if the button is positioned correctly by turning the hand wheel manually. The needle must exactly enter the holes of the button, otherwise the needle may be damaged. If necessary, change the width of the zigzag stitch. At a low speed, sew about 6 to 7 stitches per hole. If the button has four holes, move the fabric and button: then sew 6 to 7 stitches in the other two holes. Once you have removed the fabric pass a generous length of the upper thread to the underside of the fabric and knot it to the lower thread there.
Sewing buttons with a shank
In the case of heavy fabrics, a button shank is often needed.

1. 2. 3. 4.

Sewing with a twin needle
The twin needle is available from well-stocked specialist retailers. When buying a twin needle, make sure that the distance between the two needles is no more than 2.5 mm. By using the twin needle you can create attractive, two-coloured patterns if you use different coloured threads when sewing. Sewing foot...Standard foot Stitch type.... Stitch length.../ 1 Upper thread tension...2 - 6 1. 2. 3. 4. 5. 6. 7. Attach the twin needle in the same way as you would a single needle (see page 14). Place two equally fully cotton reels on the removable spool holders. Pass the two threads through the thread holder in the same way as for a single thread. Guide both threads through the upper thread tension discs making sure that one thread goes to the right of the central disc and the second thread goes to the left of the disc. Insert both threads in the thread guide. Insert one thread through the eye of the needle on the right-hand side, and one thread on the left-hand side.
Note: To sew a corner using the twin needle, take the needle out of the fabric, as otherwise the twin needle may bend or break.

Maintenance and Cleaning

Warning Before carrying out any maintenance, cleaning or replacement work, please always turn off and unplug the machine.
Cleaning pendular shuttle
Take out the pendular shuttle:
(1) Bobbin case (2) Shuttle lever (3) Shuttle retaining ring (4) Pendular shuttle
(5) Shuttle carrier (6) Centre pin (7) Slot
Raise needle to its highest position and lift shuttle cover. Remove the bobbin case from the machine. Uncover shuttle lever and draw out the shuffle retaining ring. Clean the feed dog with a brush and soft and dry cloth.
Installation of the pendular shuttle:
Hold shuttle centre pin and fit carefully back into the shuttle carrier. Refit shuttle-retaining ring and make sure that the following centre pin fixes in the slot of the shuttle carrier. Lock retaining ring by turning levers back into starting position. Refit bobbin case with bobbin.

Cleaning feed dog

Remove the needle and sewing foot. Remove the screw on the left hand side of the needle plate with a screwdriver. Remove the needle plate. Clean the teeth of feed dog with a fine brush and refit the needle plate. Fit the sewing foot and the needle, the machine is now ready for sewing
Note: In case of frequent use, it is recommended to clean the feed dog frequently to obtain the first rate effect of needlework.

Oiling the machine

Note: Apply only one or two drops of machine oil, or cloth will be stained. If the machine should not run well after being out of use for a long period, apply a few drops of oil before running it and the machine gets full operating ability.

Oiling the machine behind the front flap
Remove the cover (1), screw (2) and front flap (3). Oiling is required for the positions marked in the illustration.
Oiling the pendular shuttle
Open the bobbin cover case (4). Oiling is required for the positions marked in the illustration

Disposal

Packaging
Your sewing machine is wrapped in packaging to protect it against transportation damage. Packaging is raw material and can be re-used or added to the recycling system.

Device

At the end of its useful life, the sewing machine should not be disposed of with the household rubbish. Seek the advice of your local authority on correct, environmentally friendly disposal.

Troubleshooting

If faults occur, please read the operating instructions to determine whether you have followed all the instructions correctly. Please only contact our customer services if none of the solutions provided is successful. Malfunctions Cause Upper thread is not guided correctly. Upper thread tension is too tight. Needle is bent or dull. Upper thread breaks. Needle is not inserted correctly. Fabrics are not pulled backward after sewing. Thread thickness does not fit to the needle. Lower thread is not threat properly in the shuttle hook. Lower thread breaks. Fibres block the bobbin case handle. Bobbin case is damaged and does not work. Needle breaks. Needle is not inserted correctly. Needle is bent or dull. Needle clamp screw goes loos. Upper thread tension is too tight. Fabrics are not pulled backward Remedy See page 18 See page 21 Insert a new needle. See page 14 See page 27 See page 14 See page 15 Clean the bobbin case. Change the bobbin case. See page 14 Insert a new needle. Screw the needle clamp screw again. See page 21 See page 27

Malfunctions

Cause after sewing. Needle is too thin to stitch the cloth. Pattern selection dial I not turned properly. Needle is not inserted correctly. Needle is bent or dull.

Remedy

See page 14 See page 22 See page 14 Insert a new needle. See page 14 See page 18 See page 21 See pages 15 and 18 See page 28 Put a nonwoven lining under the cloth. See page 21

Machine skips stitches

Neither needle nor thread fit for sewing. Upper threading is incorrect. Upper thread tension is too tight. Threading is incorrect.

Fabric puckers or gathers of seam
Sewing foot pressure is to high. Stitches are too big to sew the cloth. Non-woven lining under the cloth is required for stitching very thin cloth. Upper thread tension is too low.

Thread makes loops

The combination of needle size, thread size and fabric is incorrect, either too thick or too thin. Fibres block the feed dog.

See page 14

See page 46 See page 27 See page 23
Fabric does not feed properly
Feed dog is discharged. Stitches are too small.
Cause Stitch length is 0.
Remedy See page 23 See page 45 See page 16 See page 10 See page 45 See page 16 See page 47 See page 45 See page 46 See page 47

Fabric feeds irregular

Thread ends in shuttle track. Hand wheel is in winding position. Main power switch is turned off.

Machine does not work.

Thread tangled it the bobbin case handle. Hand wheel is in winding position.
Machine does not run free.
Insufficient oiling Thread tangled it the bobbin case handle.
Machine is noisy and works slowly
Fibres block the feed dog. Insufficient oiling

Technical Specifications

Sewing machine Nominal voltage: Nominal consumption:
Light socket Stitch speed: Foot pedal: Model: Nominal voltage: Safety class:
220 - 240 V ~ 50 Hz total 85 W Motor 70 W Light 15 W E14 max. 800 stitches per minute

HKT- 240 V ~ 50 Hz II

Subject to technical changes.