Pfaff 487 - Adjusting the top feed

Adjustment
2 - 23
● Turn bobbin case opener bearing 1 (screws 2) according to Requirement.
Fig. 2 - 22
2.24 Bobbin case opener height
Requirement
When bobbin case opener 3 is at its left reversal point the top side of its finger must be
0.5 mm above the lower edge of bobbin case trip 4.
2
1
4
3
0,5 mm