Setting The Hook Thread Tension - DURKOPP ADLER 670 Operating Instructions Manual

Operation
Operating Instructions 670/680 - 00.0 - 01/2017
4.7.2

Setting the hook thread tension

CAUTION
Risk of injury from sharp and moving parts!
Puncture and crushing possible while setting the
hook thread tension.
Only set the hook thread tension with the machine
switched off.
Fig. 14: Setting the hook thread tension
①
(1) - Adjusting screw
To set the hook thread tension:
1. Use the adjusting screw (1) to set the tension spring.
• Increase the hook thread tension:
Turn the adjusting screw (1) clockwise
• Reduce the hook thread tension:
Turn the adjusting screw (1) counterclockwise
2. Perform a sewing test and check the stitch pattern.
3. Readjust the hook thread tension if necessary.
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