Pfaff 938 - Needle Thread Tension Release (on Machines Without -900;24)

Adjustment
12 - 27
12.05.25 Needle thread tension release (on machines without -900/24)
Requirement
When the hand lever is raised, the tensions disks should be at least 0.5 mm apart.
Fig. 12 - 26
0.5 mm
● Loosen screw 1 and press linkage rod 2 down as far as possible.
● Raise the presser foot.
● Adjust trip 3 (screw 4) in accordance with the requirement.
1
2
4
3
3