Adjustment
13 - 27
87-050
13
.05.07
Manual cutting test
Requirement
1. When thread catcher
1
is on its forward stroke, it must not carry bobbin thread
3
forward 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 13.05.04 Position of the thread catcher.
●
Check
requirement 3
, and if necessary readjust the bobbin thread retaining spring
2
in
accordance with
Chapter 13.05.06 Bobbin thread retaining spring
.
2
Fig. 13 - 24
61-108
3
4
3
1
Summary of Contents for 3834-14/11
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