23
Use of the right needle only
(for 3-thread seams with a narrow seam
width)
Turn the machine off.
Remove the left needle and the left needle
thread. Tighten the left needle fastening
screw again slightly so it does not fall out.
Use of the left needle only
(for 3-thread seams with a wide seam
width)
Turn the machine off.
Remove the right needle and the right
needle thread. Tighten the right needle
fastening screw again slightly so it does
not fall out.
Changing the needle when sewing with th-
ree threads
Undo both needle fastening screws and re-
move the old needle. Insert the new needle
as far as it will go and tighten the relevant
fastening screw. Also tighten the other
fastening screw slightly so it does not fall
out.
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