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39
1.04.30 Re-engage safety coupling
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.
● Remove jammed thread.
● Hold coupling 1 with screw 2 and turn the balance wheel, until you feel coupling 1
snap back into place again.
129-012
Fig. 1 - 30
2
1