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4. ASSEMBLY
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| 3423Q | |
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| Approx. 0.8mm |
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| Shuttle hook |
Bobbin case holder position bracket
Install the hook stopper setting base so that the distance from the tip of the bobbin case holder
3422Qposition bracket to the needle drop surface is approximately 0.8 mm.
3424Q
3425Q
Tip of the rotary hook
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| 1. Needle bar thread guide | |
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| 2. Needle | |
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| 3. Set screw | |
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| Set screws | 4. Treble hook assy | |
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| 5. Set screws [2 pcs] | ||
Turn the machine pulley to align the tip of the rotary hook with | ||||
6. Hook stopper setting base | ||||
the needle center line. Then tighten the set screw to adjust the | 7. Screw | |||
clearance between the needle and the tip of the rotary hook to | ||||
8. Bobbin | ||||
9. Bobbin case assy | ||||
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88 |