Operation
Operating Instructions 878-M PREMIUM - 02.0 - 02/201822
Switching off the dimmable sewing lamp
1. Press switch (2) down to position 0.
2. Press switch (5) to the left to position 0.
5.2 Inserting and replacing the needle
Sequence
After switching to a different needle size, adjust the distance
between the hook and the needle, as well as the position of the
throat plate towards its post ( Service instructions).
Faults caused by an incorrect hook clearance
After inserting a thinner needle:
• Missing stitches
• Thread damage
After inserting a thicker needle:
• Damage to the hook tip
• Damage to the needle
WARNING
Risk of injury from needle and moving parts!
Turn the sewing machine off before replacing the
needle.
Do not touch the tip of the needle.
NOTICE
Damage to the machine, needle breakage, or thread dam-
age is possible due to incorrect distance between the
needle and hook tip.
A false orientation of the needle may damage the hook tip.
Check the distance to the hook tip and the position of the
throat plate towards its post after inserting a new needle with
a different size. Reset distance if necessary.
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