Pfaff 3704-2/03 - Bobbin Case Opener Motion

12 - 39
Adjustment
1
2
12.05.37 Bobbin case opener motion
Requirement
With the needle bar 2.0 past bdc (hole 1) the bobbin case opener 3 must be at its right
point of reversal.
Fig. 12 - 38
● Adjust bobbin opener eccentric 1 (screws 2) in accordance with the requirement.
81-073
2
3