Adjustment
47
1
.07.07
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.
●
Sew a few stitches.
●
Turn off the on/off switch.
●
Carry out the cutting operation manually.
●
Check
requirement
1
and
2
, and if necessary readjust thread catcher
1
in accordance
with Chapter
1
.
07
.
04
Position of the thread catcher.
●
Check
requirement
3
, and if necessary readjust the bobbin thread retaining spring
2
in
accordance with Chapter
1
.
07
.
06
Bobbin thread retaining spring.
Fig. 1 - 38
1
2
3
3
4
Summary of Contents for 2571ME PREMIUM
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