Duerkopp Adler 867-M PREMIUM Operating Instructions Manual page 27

Operation
Operating Instructions 867-M PREMIUM - 02.0 - 05/2017
Disturbance
An incorrect hook distance can cause the following disturbances:
• Changing to a thinner needle:
• Missing stitches
• Thread damage
• Changing to a thicker needle:
• Damage to the hook tip
• Damage to the needle
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