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5.5.3) Adjustment of Presser Foot Adjusting Arm
-
Loosen the screw for the location link stopper to make space between the location link stopper and the hinge screw for
the presser foot driving link.
-
Loosen the screw for the fork link, and move the hinge screw for the presser foot link to the right side of the presser
foot adjusting arm. Then tightly fasten the hinge screw for the presser foot link.
-
Turn the hand pulley to locate the needle bar at the lowest position.
-
Lift the presser bar to make the gap between the presser bar handle and the presser bushing 4mm wide, and tightly
fasten the tightening screw for the fork link.
-
Turn the location link stopper screw to make the location link stopper and the hinge screw for the presser foot driving
link closely contacted.
-
Tightly fasten the tightening screw for the fork link and ensure that there is no clearance in the vertical direction for
the presser foot adjusting arm. Check the tightened conditions of screws, and adjust the presser foot stroke.
5.5.4) Adjustment of Presser Foot Stroke
Loosen the hinge screw for the presser foot adjusting
arm and move it in the (A) direction. Then the presser
foot
’
s stroke gets larger. When it is moved in the (B)
direction, the presser foot
’
s stroke gets smaller (the
default setting is 4mm).
Tightening Screw
Presser Bar Handle
Hinge Screw
A
B
Presser Bar Bushing
4mm
Hinge Screw
Stopper
Presser Foot
Adjusting Arm
Hinge Screw for
Presser Foot Link
1) If there is no space between the presser bar handle and the presser bar bushing, they may
intervene in each other during machine operation.
2) If the screws are not tightly fastened after making adjustment, it may cause damage to the
machine during operation.
3) If the hinge screw for the presser foot driving link does not closely contact the end of the location
link stopper, the machine might vibrate and produce loud noises during operation.
Caution