Adjustment
11 - 13
11.04.11 Bobbin-case opener
(On Model 1246 make these adjustments on both bobbin openers.)
Requirement
The needle thread must not be clamped between the bobbin-case opener 1 and the bob-
bin-case base 3 nor may it be clamped between projection 4 and the retaining trip of the
needle plate (see arrows).
2
4
3
1
Fig. 11 - 11
● Thread the machine, insert test material and allow the presser foot to rest on the needle
plate.
● Sew a few stitches by turning the handwheel and carry out a check in accordance with
the requirement.
● Turn bobbin-case opener 1 (screw 2) in accordance with the requirement.
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