Pfaff 294 - Safety Coupling

Adjustment
11 - 14
11.04.12 Safety coupling
The safety coupling 4 is set by the manufacturer. If the thread jams, the safety
coupling 4 disengages to prevent damage to the hook. A description of how to
re-engage it follows.
● Remove the jammed thread.
● Press plunger 1 and turn the balance wheel until pawl 2 engages in the groove 3.
Fig. 11 - 12
1
2
3
4
4