Adjusting The Chain-Off Thread Rolling-In Device - JUKI LB-6 Manuel D'utilisation

5. Adjusting the chain-off thread rolling-in device

(1) Adjusting the pressure of the chain-off thread presser spring
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1
1
2
3
Perform the adjustment with chain-off thread pres-
sure adjusting screw 1.
1 Adjust the pressure of the spring to such an
extent that the material end at the start of sew-
ing is slightly rolled downward as shown in the
figure 1.
2 Decrease the pressure of the spring when the
material end at the start of sewing is excessively
rolled downward.
3 Increase the pressure of the spring when the
chain-off thread at the start of sewing does not
enter the stitches and protrudes outward.