9. STANDARD ADJUSTMENTS
9-14. Adjusting the cloth opening amount
(1)
(1)
(2)
(2)
0976Q | 0977Q |
1.Loosen the screw (1), and then insert a screwdriver into the notch in the side of the feed bracket and turn the adjusting screw (2) to adjust the opening amount.
2.After tightening the screw (1), measure the opening amount.
Note: Adjust so that the opening amounts for the left and right cloth presser plates are equal.
*It is usually sufficient for one cloth presser plate to open by 0.8 mm.
Measuring the opening amount
(1) | (1) |
(2) | (2) |
0978Q | 0979Q |
1.Switch the mode to feed mode. (Refer to page 20.)
2.Lower the cloth presser and then use calipers to measure the distance a.
3.Press the start switch. The feed bracket will move and then the left and right cloth presser plates will open.
4.Use calipers to measure the distance b.
5.The difference between a and b is the opening amount. (Opening amount = a - b)
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