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General| Brand | Bernina |
|---|---|
| Model | 900 electronic |
| Automatic Thread Cutter | Yes |
| Needle Threader | Automatic |
| Speed | 1, 000 stitches per minute |
| Speed Control | Adjustable |
| Presser Feet | Multiple included |
General instructions for performing adjustments on the sewing machine.
Positions the scanner precisely in the center of the cam for accurate stitch formation.
Centers the LCR adjusting disc to align with the locking lever pin for correct needle positioning.
Centers the zigzag link on the oscillating lever spindle using a special tool.
Adjusts lateral needle position for equal distance from stitch hole edges.
Adjusts sideways needle motion for equidistant penetration of stitch holes.
Ensures lateral needle motion matches vertical motion correctly.
Sets up the machine to prevent material feed during buttonhole adjustment.
Adjusts forward and reverse bead lengths for proper stitch formation.
Sets thread passage play between shuttle and drive to 0.3 mm.
Adjusts shuttle driver position relative to the shuttle race.
Corrects shuttle return motion for proper synchronization with needle.
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