43
14. Adjustment of bobbin case position finger
Requirement:
The clearance between the position finger and the bottom of the groove in the bobbin case base must
be 0.7 mm (fig. 41).
Check:
● It must be possible to insert the clearance gauge (61-111 621-15) with ease but without play between
the position finger and the bottom of the groove in the bobbin case base.
Adjustment:
● Loosen screw 60.
● Insert the clearance gauge.
● Press position finger bracket 61 against the clearance gauge at an angle of 90 degrees.
● Tighten screw 60.
Cross-check:
● As described under "Check".
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