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4) Adjustment of Presser Foot Stroke
a) Adjustment of Presser Foot Stroke by Adjusting
Presser Foot Driving Cam's Connection Rod
– Loosen the hinge nut for cam connection ①
and push it up. Then, the stroke will rise.
When it is pulled down, the stroke will be
reduced.
The default value is 4mm when it is released from a factory.
Caution
Presser Foot Cam Crank
Rising Stroke
①
Lowering Stroke
Presser Foot
Driving Cam's
Connection Rod
Hinge Screw
for Cam
Connection
3) Presser Foot Origin Setting
a) Turn on the power, and to set the motor base punched mark on the right side of the presser foot motor base
①
to meet the punched mark of the presser foot cam shaft②, loosen the tightening screw for the sensor plate③
on the opposite side and adjust the position of the sensor plate④.
b) Presser Foot Lowest Height Setting
When the presser foot cam reaches the lowest position of the presser foot and the needle bar is at the lowest
position, loosen the nut⑤ and set the presser foot lowest position by turning the stopper bolt⑥.
④
③
①
②
⑥
⑤
When the presser foot is at the origin, the height of the presser foot is 20mm from the highest point of
the needle bar.
Caution