ADJUSTING OF FOOT LIFTER LEVER
Adjust Pressure Foot to Start to lift from the top face of stitch Plate turning
Adjusting Screw (E) when the Foot Lifter Lever (F) is lowered in 3 mm from the
end of Adjusting Screw (E) for Foot Lifter Lever Stopper (D). When Presser Foot
is raised to its highest position, adjust the bottom face of it to be 4mm. from top
face of Stitch Plate.
At this moment Loosen Nut (I) and turn Stop Screw for Presser Foot (H) then
adjust the Screw to touch with Arm of the machine.
ADJUSTING OF WIDTH OF OVEREDGE SEAM
To widen the width;
Loosen Screw (A) for upper Knife Holder and move the Holder to the
Direction (X) According to the necessity and tighten Screw (A) again.
Subsequently loosen Screw (B) for Lower Knife Holder. Then Lower Knife
Holder will move to the direction (X) by pressure of the spring inside,
consequently Lower Knife will adhere closely to Upper Knife (D) with suitable
strength. And, tighten Screw (B) again.]
To narrow the width
Loosen Screw (B) for Lower Knife Holder and Move the Holder to the
direction (Y) according to the necessity and tighten Screw (B) softly.
Subsequently, loosen Screw (B) for Lower Knife again and made Lower Knife
(C) adhere closely to Upper Knife (D) by the pressure of spring. Then,
retighten Screw (B).
Note : For adjusting width of the overedge seam, make the blade of Upper
Knife be higher than if of Lower Knife in 0 - 1 mm.
Sharpness of Knives
Check the sharpness of knives turning Pulley manually with a thread put
between Upper and Lower Knives, after adjusting the seam of overedge
seam.
Note : When it may be necessary to sharpen knives please refer to
"Sharpening of knives for Fabric Cutting " on Page 14.
(1)
(2)
(3)
0 ~ 1mm
I
E
D
G
F
H
3mm
Thread
A
B
C
Y
X
D
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