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(10) Adjustment of feed mechanisms
1) Adjustment of stitch length (standard: 8 stitches/inch interval)
The stitch length can be adjusted within the range of 2.1 mm to 3.6 mm. Standard adjustment is 3.2 mm.
For the adjustment of the stitch length, loosen the lever setscrew and move the lever upwards or
downwards until the required length is secured.
(Caution) If the stitch length has been changed, check "(7) Adjustment of rear needle guide" and
make a proper readjustment.
2) Adjustment of differential feed amount
The amount of differential feed can be adjusted by moving the differential adjusting lever forward or
backward.
The graduation plate is provided with the engraved numbers of 1 to 9. Numbers 1 to 4 denote differential
motion, Number 5 denotes no differential motion, and 6 to 9 denote forward differential.
(Caution) No differential function is provided to the single feed mechanism.
Vertical direction
Longitudinal directions
1
9
Standard Adjustment
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