Safety Clutch - Pfaff 1245 Instruction Manual

11.

Safety clutch

04.12
11 - 14
The safety clutch is set by the manufacturer and screws 5 are sealed.
If the thread jams, the safety clutch snaps out to prevent damage to the hook.
A description of how to snap the clutch back in follows.
Fig. 11 - 12
Remove the jammed thread.
Press piston and turn the handwheel until hook of pawl clicks into groove .