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Operation
Order
Always adjust the clearance between the hook and the needle after
changing to a different needle strength ( Service Instructions).
Disturbance
An incorrect hook side clearance can cause the following disturbances:
• Changing to a thinner needle:
• Changing to a thicker needle:
Operating Instructions 550-D800 - 01.0 - 05/2023
• Skip stitches
• Thread damage
• Damage to the hook tip
• Damage to the needle
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