24. Set the Chain stitch loopers thread take up.
Check
The Left chain stitch loopers thread take up should be 1.5 mm from the right chain stitch
looper
Setting
1. Loosen up the set screw (B)
2. Move the thread take up so it it is 1.5 mm clearance.
3. Tighten the set screw (B).
1.5 mm
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