Threading
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2020-09 EN 5040064.00A.04
7 Threading
This machine is equipped with an Air Threader System, which quickly and easily threads the Upper and the
Lower Looper Threads by pressing the threader button. There is no specific sequence required for threading
the Looper Threads.
The Needle Threads must be threaded according to a defined threading sequence.
> Thread the right Overlock Needle Thread before the left Overlock Needle Thread.
7.1 Threading preparation
Before threading, make sure that the device is mechanically adjusted to the required stitch. Perform the
required mechanical settings e.g. for needle, Rolled Hem Selection Lever or Upper Looper Cover.
Prerequisite:
• Retractale Thread Guide fully extended.
• The needles are at the top position.
• All threads that are not needed for the particular stitch have been removed.
> Raise the presser foot.
– The Thread Tensions are released and the thread can be inserted without resistance.
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