Pfaff 3822-1/32 - Bobbin Case Opener

13 - 27
Adjustment
13.05.25 Bobbin case opener
Requirement
When the needle bar is positioned 1.8 mm past b.d.c., the bobbin opener 3 should be at
its right point of reversal.
● Loosen screws 2.
● Adjust bobbin opener eccentric 1 according to the requirement.
● Tighten screws 2.
For better recognition a screwdriver can be inserted in the slit of bobbin opener
3.
3
2 1
Fig. 13 - 26
49-12a
3