Kompernass KH 4000 User Manual

ID Nr.: KH4000-05/05-V4

Kompernaß GmbH

Burgstrasse 21 · D-44867 Bochum

www.kompernass.com

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 KH4000 Automatic Free-Arm Sewing Machine

Operating instructions

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1. Intended Use 4

2. Technical data 4

3. Package contents 4

4. Operating elements 4

5. Safety instructions 5

6. Setting up 6

7. Switching On / Off 6

8. Threading 7

a) Threading the lower bobbin 7 b) Threading the lower thread 8 c) Threading the upper thread 11 d) Retrieving the lower thread 12 e) Threading with 2 needles 12

9. Attaching accessories 13

a) Changing needles 13 b) Changing the stitch plate 13 c) Changing the snap-on foot 14

10. Settings 15

a) Setting the upper thread tension 15 b) Setting the lower thread tension 15 c) Setting the presser foot pressure 16 d) Setting the stitch width 16 e) Setting the stitch length 16

Lervia KH 4000

Keep this manual for future reference and pass it on with the equipment to any future users.

11. Sewing 17

a) To place the material 17 b) To start a seam 17 c) To finish off a seam 17 d) Guiding the material 18 e) Changing the sewing direction 18 f) Selecting a stitch pattern 19 g) Straight stitch 19 h) Zigzag 19 i) Stitch pattern table 20 j) Blind hem 21 k) Material-Thread-Needle Table 22 l) Seam guide 23 m) Overcast stitch 23 n) Stretch seams 23 o) Sewing buttonholes 24 p) Buttonhole table 24 q) Sewing on buttons 25 r) "Edge-to-edge" sewing 25 s) Decorative stitches 25 t) Sewing a zipper 26 u) Sewing with the twin needle 27 v) Embroidery 27 w) Thread cutter 27

12. Care 28

a) Clean the gripper area 28 b) Clean the feeder 28 c) Clean the casing 29 d) Oil the gripper track 29 e) What else needs oiling? 29 f) Storing 30

13. Troubleshooting 30

14. Warranty and service 31

15. Disposal 31

Lervia Automatic Free-Arm Sewing Machine

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3. Package contents

(see front fold-out page)

● 1 sewing machine

 1 blind hem foot  1 seam guide  1 zipper foot  1 buttonhole foot  1 button foot  1 sewing foot holder (attached)  1 finger protector (attached)  1 zigzag foot (attached)  1 knife  1 oil tube  1 set of needles (incl. twin needle)  3 screwdrivers  2 felt wheels  1 darning plate  3 bobbins  1 foot switch

● Operating instructions

● Warranty booklet

4. Operating elements

(see rear fold-out page)

Front cover

Selector wheel (contact pressure sewing foot)

Threading hook

Selector wheel (upper thread tension)

Upper thread guide

Selector wheel (stitch width)

Carrying handle

Thread spool carrier

Winder spindle

Spool stop

Handwheel

Selector wheel (stitch length)

ON / OFF switch

Foot switch connection

Stitch pattern selector

Foot lever

Adjusting foot

Bobbin case

Foot holder

Needle retainer

Stitch plate

Box compartment

Lever (reverse operation)

Tension spring

Lamp

Lervia KH 4000

Operating instructions Lervia Automatic Free-Arm Sewing Machine

1. Intended Use

The sewing machine is intended ...

- for use as a movable machine,

- for sewing of typical household textiles and ...

- only for private household use.

The sewing machine is not intended ...

- to be installed at a fixed location,

- for processing of other materials (e.g. leather or other heavy materials such as tent or sail fabrics)

- for commercial or industrial use.

2. Technical data

Power supply : 230 V / ~50 Hz Motor output : 70 W Bulb power : 15 W Bulb voltage : 230 V / ~50 Hz Bulb thread : E14 thread Protection class : II Foot switch : LISHUI FOUNDER,

type KD-2902

Sound pressure level : 76dB(A) MAX

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5.  Safety instructions

Like any other electrical device, a sewing machine can cause serious, even life-threatening injuries. To avoid this, and in order to work

safely:

• Before initial use of your sewing machine, read these operating instructions thoroughly.

• Keep the operating instructions in a suitable place near the machine. When passing the appliance on to others, always enclose the operating instructions.

• Always disconnect the power supply when leaving the machine unattended. This will

prevent the risk of accidents if the machine is switched on accidentally.

• First pull the power plug before changing the bulb or performing maintenance work on the machine.

This will prevent possibly life-threatening electric shocks.

• Do not remove the plug from the socket by

pulling on the cable. Always grip the plug and not the cable when pulling out the power plug.

• Only use the sewing machine in dry rooms.

• In case of any visible damage on the machine, the foot switch or the power cable: Have the

damage repaired by Customer Service before using the sewing machine again.

• Never let children or elderly persons handle the machine unsupervised because they may not properly appreciate the possible dangers. Keep electrical appliances outside the reach of children.

• Never use the machine when the ventilation apertures are blocked. Keep the ventilation apertures of the machine and the foot switch free from fluff, dust and waste material.

• The sound pressure level under normal

operating conditions is 76dB(A) MAX.

• Please use LISHUI FOUNDER foot switch, type KD-2902 for the sewing machine.

 Warning

against injuries and material damages:

According to legislation, you as the user of an electrical appliance are responsible for preventing possible accidents through safetyconscious behaviour:

• Keep your work space tidy. An untidy

workplace can lead to accidents.

• Provide adequate lighting when working!

• Do not wear loose clothing or jewellery, as these can be caught in the moving parts. You should also wear a hair net if you have long hair.

• Avoid abnormal posture. Remain steady and in a well-balanced position at all times.

• Be alert! Pay attention to what you are doing. Always take a rational approach to your work. Never work with the sewing machine if you are unable to concentrate or if you are feeling unwell!

If accidents occur as a result of handling the machine with insufficient care, or failure to follow the safety instructions in this manual, then the manufacturer cannot accept liability.

Lervia KH 4000

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6. Setting up

• Place the sewing machine on a stabile table.

• Plug the foot switch  into the connection

socket gof the machine and ...

• insert the plug into the wall socket.

If the worktop is not completely even, you can compensate for slight unevenness as follows:

• Pull the box compartment 2@off to the

side, it is only slid on, not firmly attached.

• You can turn the adjusting foot 1&that

becomes visible underneath in order to make the sewing machine rest properly.

You can simply slide the box compartment

back on – for instance if you need this as an "extension table" for sewing large material. You can also leave the box compartment

off, for example for free-arm sewing of arms, trouser legs, etc. The box compartment 2@is also used to store the accessories.

7. Switching On / Off

You should familiarize yourself with these methods of switching on and off, so that you can take the correct action in the event of an emergency:

• You can switch the sewing machine on

or off by pressing the switch1#. The bulb

indicates the operating state.

• If you pull out the foot switch plug, the

machine is without power.

• If you pull the power plug from the socket,

the machine and the foot switch are without power.

Lervia KH 4000

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