JUKI MEB-3200 Engineer's Manual page 159

Adjustment Procedures
1) Adjusting the speed controller
Adjust speed controller 1 to such an extent that there is shock
when returning the cloth cutting knife (eyelet) from the tilted
state.
(Standard : Adjust the adjustment screw of the speed controller
1 to the open by approximately one turn from the full close.
<Speed controller has been factory-adjusted at the time of
delivery.>)
(Caution) When the return speed of cloth cutting knife (eyelet)
is too fast, the position of cloth cutting knife may slip.
Adjustment Procedures
1. Turn ON DIP-SW 4 to select the multicutting.
Results of Improper Adjustment
Results of Improper Adjustment
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