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DOWN
position
UP
position
1. Adjustment of stopping position
Adjust this position with the detector installed onto the sewing machine and while
stopping at the UP and DOWN positions.
For safety, disconnect the connector for the sewing machine.
(1) Adjustment of UP position
-Loosen the two set screws on the detector joint, and set the stop position by
rotating by hand.
-If adjustment is not possible by turning the joint, loosen the cross-recessed
screw A shown of the following figure, and turn all detector plates
simultaneously to adjust to the designated stop position.
(2) Adjustment of DOWN position
-The relation of the DOWN position and UP position will differ according to the
model, so adjust this according to the sewing machine.
-When changing the DOWN position, remove the detector cover, and turn only
the red detector plate to adjust to the designated stop position.
(The cross-recessed screw A does not need to be loosened at this time.)
-Always replace the cover after adjustment.
2. Adjustment of pedal toe down pressure, and heeling pressure
The spring A pressure (toe down pressure) can be adjusted in five levels by changing the position spring A whitch is hooked onto the
lever unit. The spring B pressure (heeling pressure) can be adjusted by tightening or loosening the screw bolt.
8 Adjustments
Caution
Refer to the sewing machine instruction manual when
adjusting for use with the Mitsubishi sewing machine.
Set screws
(two screws)
Sewing machine pulley
UP
position
DOWN
position
180
˚
180
˚
(The factory setting of the clearance from the
DOWN position to UP position is approx. 180)
UP position detector disc
(black)(inner)
DOWN position detector disc
(red)(outer)
Screw A
Screw bolt
Spring A
Spring B
Minimum spring
pressure
Installation hole of the joint rod
Left side: Standard stroke
Right side: Large stroke (The movement becomes lighter)
Medium spring
pressure
Maximum spring
pressure
Factory setting
