Pfaff 938 - Bobbin Case Opener Motion

Adjustment
12 - 24
12.05.22 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.
3
1
2
Fig. 12 - 23
● Adjust bobbin opener eccentric 1 (screws 2) in accordance with the requirement.
81-073