Re-Engage Safety Coupling - Pfaff 3734 -12 Instruction Manual

12

Re-engage safety coupling

.04.18
Fig. 12 - 18
Remove jammed thread.
Hold coupling 1 with screw 2 and turn the balance wheel, until you feel coupling 1 snap
back into place again.
The coupling 1 is set by the manufacturer. When the thread jams, the coupling 1
disengages in order to avoid damage to the hooks.
A description of how to engage the coupling follows.
Adjustment
1
2
12 - 20