
Adjustment
13.
04.10
Bobbin case opener position
Requirements
1. The top edges of bobbin case opener
2
and bobbin case lug
5
must be at the same
height.
2. When the bobbin case
2
is at its rear point of reversal, the bobbin case carrier
3
and
the stop spring
4
must be
the width of one thread
apart.
●
Loosen screw
1
.
●
Adjust the bobbin case height in accordance with
requirement 1
by moving bobbin case
opener
2
.
●
Bring the fixing collar to rest on bobbin case opener
2
.
●
Bring the bobbin case opener
2
to its rear point of reversal.
●
Adjust the clearance between the bobbin case base
3
and stop spring
4
in accordance
with requirement
2
by turning the bobbin case opener
2
.
●
Tighten screw
1
.
Fig. 13 - 09
4
5
2
1
3
thread width
13 - 13
Содержание 1421E1
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