Adjustment
14 - 26
14
.24
Motion of bobbin case opener
Requirement
With the needle bar
1.8 mm
past its BDC (
hole 4
) the bobbin case opener
3
must be at its
right point of reversal.
●
Adjust the bobbin case opener eccentric
1
(screws
2
) in accordance with the
requirement
.
2
3
1
Fig. 14 - 24