W6 W6 N 454D, Manual

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Threading a thread
Threading the machine
Before threading, switch off (OFF) the
overlock sewing machine at the main switch.
The sewing machine is delivered with a
threaded thread ex works. To pull in the
desired thread, tie the end of the thread of the
new spool to the threaded thread. Lift the lifter
lever and pull the threads through. This saves
time when threading.
As the knots are too thick for the eyes of the
needles, they must be cut before the eye of
the needle and re-threaded.
Should it become necessary to re-thread the
machine, proceed in the following order:
Upper looper – lower looper – right needle –
left needle. Always lift the lifter lever for
threading.
Incorrect threading results in incorrect
stitches, broken threads or other problems.