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Initial adjustment operations
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Zig-zag and plain stitch sewing machine
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= 705 B-80
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The needle is one of the most important
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Needle spacing in the stitch hole
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Adjusting the scanner to the center
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Raising the scanner
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Setting the needle position selector
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Centering the zigzag connecting link
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Remove the two adjusting tool
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Rest position of needle
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Correct distribution of stitches can easily
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Stitch position on zigzag.
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Lateral motion of needle during zig-
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Scanner support during backstitch
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At full machine speed, the material must
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Adjusting buttonhole without thread
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occurs at the second bar tack, adjust
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Adjusting the CB shuttle
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slide tool No. 3904904 from the rear of
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It the shaft jams, this can be corrected
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Screw (67) is pointed and therefore should
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6. Lateral shuttle adjustment
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(Feed dog position in the needle plate)
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Depth limit stop for drop feed
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Feed dog movement (Horizontal)
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b) Adjusting foot lift
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Upper thread tension
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Correction of thread tension:
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Check of lower thread tension
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stop (15'1) too low
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The winder must be adjusted in the
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Retightening the drive belt
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Motor output, type 900 90 W (220 V)
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