Medion LIFE SM60 Manual De Instrucciones página 219

Carefully return the lever of the threader to its original position. The
threader hook A pulls the upper thread through the needle eye and
forms a loop behind the needle.
Push the lever of the threader back up and pull the loop completely
through the eye of the needle by hand to thread the upper thread com-
pletely.
8.9. Bringing up the bobbin thread
Move the presser foot () to the upper position.
Turn the handwheel towards you with your right hand until the needle
is in the upper position.
Hold the upper thread loosely with your left hand and turn the
handwheel towards you with your right hand until the needle has
moved down and back up again.
Stop turning the handwheel as soon as the needle has reached its high-
est position.
Pull the upper thread upwards slightly so that the bobbin thread forms
a loop.
Pull around  cm of both threads out and back from under the presser
foot.
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