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4.5 ADJUSTING THE PRESSURE OF THE PRESSER FOOT AND EMOVING
THE PRESSER FOOT
Caution: Danger of injury!
To protect against possible person injury due to abrupt start of the machine, be sure to start the
following work after turning the power off and ascertaining that the motor is at rest.
Adjust the pressure of the presser foot by turning
presser foot adjust screw 1.
When the adjust screw is turned clockwise, the
pressure will increase . When it is turned
counterclockwise, the pressure will decrease.
To open presser foot 2 sideward, raise the needle
to the highest position of its stroke and lower
presser bar lifting lever 3 .
4.6 ADJUSTING THE STITCH LENGTH
Caution: Danger of injury!
To protect against possible person injury due to abrupt start of the machine, be sure to start the
following work after turning the power off and ascertaining that the motor is at rest.
Caution: Danger of injury!
To protect against possible person injury due to abrupt start of the machine, be sure to start the
following work after turning the power off and ascertaining that the motor is at rest.
Slowly turn the handwheel as you keep depressing
pushbutton 1 , and you will find a point at which
the pushbutton goes in farther.
With the above condition maintained, align the
desired scale mark on the handwheel with mark 2
on the belt cover. Use the scale mark as reference
Reset pushbutton 1 after setting the scale mark.
4.7 ADJUSTING THE DIFFERENTIAL FEED
Lower
Decrease
Increase
1
3
2
Loosen differential feed lock nut 2 . Move
differential feed adjusting lever 1 up for
stretching stitch or down for gather ing stitch.
When you want to move differential feed
adjusting lever 1 only slightly, use differential
feed fine adjustment screw 3 .
when the scale mark is set to -1 , the machine
will perform stretching stitch with a differential
feed ratio of 1 : 0.8, and when it is set to 0 , the
and the differential feed dog will be 1 : 1 .
The maximum differential feed ratio for
gathering is 1 : 1.9 ( it can be set to 1 : 2.9
depending on the adjustment of the internal
mechanism of the sewing machine). The scale
marks beyond 0 are used as reference.
differential feed ratio betweenthe main feed dog
1
2
3
Stretching
stitch
Gathening
stitch
9
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