Operation
22 Operating Instructions 867 - 04.0 - 03/2018
Disturbances if hook distance is incorrect
After inserting a thinner needle:
• Missing stitches
• Thread damage
After inserting a thicker needle:
• Damage to the hook tip
• Damage to the needle
4.3.1 In 1-needle machines
Fig. 3: In 1-needle machines
To insert or change the needle on 1-needle machines:   
1. Turn the handwheel until the needle bar (1) reaches the upper 
end position.
2. Loosen the screw (2).
3. Pull the needle out towards the bottom.
4. Insert the new needle.
(1) - Needle bar
(2) - Screw
(3) - Groove
(4) - Hook