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Care and maintenance
Cleaning the air threader pipes
Damage by fluids in the air threader system
NOTICE
The air threader pump may be damaged permanently if liquids infiltrate the system. A repair by the
authorized BERNINA dealer is required.
> Keep liquids way from the air threader nozzles.
Regularly remove dust and thread remnants from the air threader pipes.
Prerequisite:
•
Use a thick thread (e.g. Amann Saba C size 30) at a length of about 1 m.
> Thread the thread into the Air Threader Nozzle.
> Hold the thread at the thread ends and pull back and forth several times.
> Remove the thread at the Looper End in thread feed direction.
> Repeat the procedure for further Air Threader Nozzles with a clean thread.
Cleaning the screen
> Wipe the screen with a soft, slightly damp microfiber cloth.
Cleaning the suction feet
Cleaning the suction feet prevents the machine from slipping on the table at high sewing speed.
> Remove dust and thread remnants from the suction feet with a damp cloth.
Oiling the machine
> Regularly lubricate the upper looper joint with a drop of the supplied BERNINA overlock oil.
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