Adjustment
1.06.06 Manual cutting test
Requirement
1.When thread catcher 1 is on its forward stroke, it must not carry bobbin thread 3 for- ward too.
2.When thread catcher 1 is in its front position, bobbin thread 3 must be held reliably by hook 4.
3.After the trimming action, both the needle thread and the bobbin thread must be perfectly cut and bobbin thread 3 retained.
3
Fig. 1 - 43
● Sew a few stitches.
● Turn off the on/off switch.
2
1
3 4
●Carry out the cutting operation manually.
●Check requirement 1 and 2, and if necessary readjust thread catcher 1 in accordance with Chapter 1.06.03 Position of the thread catcher.
●Check requirement 3, and if necessary readjust the bobbin thread retaining spring 2 in accordance with Chapter 1.06.05 Bobbin thread retaining spring.
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