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IMPORTANT SAFETY INSTRUCTIONS

Please be aware of the following basic  safety instructions when using your machine. Before 
using this machine, read instruction manual carefully.

DANGER!

To reduce the risk of electrical shock:

•  Never leave the machine unattended as long as it is plugged in.
•  Always unplug the machine from the electrical outlet after using and before cleaning.

Protection against LED radiation:

•  Do not view the LED light directly with optical instruments (e.g. magnifier). The LED light 

corresponds with protection class 1M.

•  When the LED light is damaged or defective, contact your bernette specialist dealer.

WARNING

To reduce the risk of burns, fire, electric shock or injury to persons:

•  To operate the machine always use the supplied power cable. USA and Canada only: Do 

not connect power plug NEMA 1-15 to circuits exceeding 150 volt-to-ground.

•  This machine may only be used for the purpose described in this instruction manual.
•  Only use the machine in dry rooms.
•  Do not use the machine in a damp condition or in a damp environment.
•  Do not use the machine as a toy. Increased caution is advised when the machine is used 

by or near children.

•  This machine may be used by children eight years of age and older as well as persons 

with restricted physical, sensory or mental capacities or lack of experience and 
knowledge under supervision or having received instruction on the safe use of the 
machine and the resulting hazards. Children must not play with the machine.

•  Cleaning and maintenance work must not be carried out by children without 

supervision.

•  Do not use this machine if the cable or plug is damaged, the machine is not functioning 

correctly, it is dropped or becomes damaged or falls in water. Contact the nearest 
authorized bernette dealer to arrange further details.

•  Only use the accessories recommended by the manufacturer.
•  Do not use this machine if the ventilation openings are blocked. Keep all ventilation 

openings and foot control free of lint, dust and loose cloth.

•  Do not insert any objects into the openings of the machine.
•  Do not place any objects on the foot control.
•  Always use the machine with a foot control of this 4C-316/4C-326/4C-345.
•  Do not use the machine anywhere that oxygen or propellant products (sprays) are being 

used.

•  The knife cover insert or coverstitch insert must be attached continuously while 

operating the machine.

•  Keep fingers away from all rotating and moving parts. Special care is required in the 

needle area, the looper and the knife.

•  Neither pull nor push the fabric while sewing. This can cause needle breakage.

Summary of Contents for b62 AIRLOCK

Page 1: ...Quick Start Guide ...

Page 2: ...dren eight years of age and older as well as persons with restricted physical sensory or mental capacities or lack of experience and knowledge under supervision or having received instruction on the safe use of the machine and the resulting hazards Children must not play with the machine Cleaning and maintenance work must not be carried out by children without supervision Do not use this machine i...

Page 3: ... machine and have it ready for reference A detailed instruction manual can be downloaded from www bernette com When passing on the machine to a third party enclose the short manual of the machine Proper use Your bernette machine is conceived and designed for private household use It is intended for sewing fabrics and other materials as described in this instruction manual Any other use is not cons...

Page 4: ... can result in dangerous substances getting into the groundwater and thus into our food chain damaging our health The machine must be returned free of charge to a nearby collection point for waste electrical and electronic equipment or to a collection point for the reuse of the machine Information on the collection points can be obtained from your local administration When purchasing a new machine...

Page 5: ...on 3 Changing the needle 3 Changing the presser foot 3 Threading the looper thread 4 Threading the needle threads 7 Adjusting the thread tensions 9 Setting the stitch length 10 Adjusting the differential feed 10 Cleaning and maintenance 11 Troubleshooting 14 ...

Page 6: ...ls of machine 1 2 3 4 5 6 7 8 9 1 Presser foot lifter 2 Stitch length 3 Differential Feed 4 Handwheel 5 Foot control power connection 6 Power switch 7 Presser foot pressure 8 Thread cutter 9 Presser foot lifter ...

Page 7: ...3 Connection and switching on OFF ON b a c Changing the presser foot 1 ELx705 80 12 100 16 2 Changing the needle 2 4 1 3 ...

Page 8: ...4 Threading the looper thread a b 1 1 2 3 4 a h 6 5 ...

Page 9: ...5 a b a b 3 4 2 ...

Page 10: ...6 THREADING C c b a d d e f g C e 1 2 1 2cm h 5 b a 6 ...

Page 11: ...7 Threading the needle threads 1 2 3 3 4 a i a 1 2 3 ...

Page 12: ...8 3 b a 4 a i e f g h c b d 1 2 3 ...

Page 13: ...nsions 1 3 1 3 2 2 3 1 1 1 3 2 1 Needle thread yellow green or blue creates loops on bottom side of the fabric Chain looper purple thread loose on the bottom side of fabric Chain looper purple thread too tense seam is tunneling ...

Page 14: ...10 1 1 3 5 Setting the Stitch Length Adjusting the Differential Feed 1 5 0 8 0 6 0 6 N 2 0 1 1 3 2 1 The seam puckers Needle threads yellow green or blue too tense ...

Page 15: ...11 Cleaning and maintenance b c a OFF ON 1 5 4 a 3 a b 2 ...

Page 16: ...12 b a a 7 6 8 ...

Page 17: ...13 a b b 9 10 11 b a 12 OFF ON b a c 13 ...

Page 18: ...s may be bent or have a blunt point Tighten the Needle Set Screw Insert the needles correctly Select the appropriate needle for the sewing project and the weight of thread Check the threading path Increase the Presser Foot Pressure Use high quality thread Irregular stitches Balance the Thread Tension Check for tangled or caught thread Check the threading path Fabric puckers Check the setting of th...

Page 19: ...15 ...

Page 20: ...062 00A 04 L2P32 en 2021 06 BERNINA International AG Steckborn CH www bernina com For complete instructions you can link to the online user manual or how to videos www bernette com b62AIRLOCK or scan the QR Code with your smart phone ...

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