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6) Adjustment of Presser Foot Related Parts
A. Make the distance of hole center of cylinder knuckle ① and hole center of presser foot lifting cylinder
as shown in the figure.
B. Rising speed of presser foot increases if turning the handle ④ of speed controller ③ of presser foot
lifting cylinder to clockwise direction. and turning to counter clockwise direction, the rising speed
increases. After adjusting to proper speed, fix with fixing nut ⑤.
C. Descending speed of presser foot decreases if turning the handle ⑦ of speed controller ⑥ of presser foot
lifting cylinder to the clockwise direction and turning to counter clockwise direction, descending speed
decreases. After adjusting to proper speed, fasten the fixing nut ⑧.
D. Adjustment of Presser Foot Stroke(Adjustment
of Presser Foot UP/DOWN Motion)
After unfastening stud screw① of presser foot
adjusting arm, placing it to A direction, presser
foot stroke increases. Placing to direction B,
stroke decreases.(It is set to 4mm at the
moment of factory shipping).
7) Adjusting Accessories for Thread Delay
A. How to set the thread delay notch.
Place the notch so that the right side of the
slot of the thread delay notch ① touches
circumference of the notch screw ②, and then
fix with a screw.
[ Caution ]
The remaining amount of thread may not be
enough or not be regular and the thread may be
unfastened from the needle if the notch is not set
in the right position.
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