Stitch Length Adjustment; Differential Feed Dog Adjustment; Presser Foot Adjustment; Presser Foot Pressure Adjustment - KANSAI SPECIAL JJ Series Parts List, Instructions

8-3 Stitch length adjustment

1. Press the push-button A softly with your left hand on the front of the machine.
2. Rotate the pulley with your right hand while pressing the button A softly, the
push-button A will stop at the notch inside making a click sound.
3. At that time, press the push-button A hard once again with rotating the pulley and
set the stitch length referring to the starting mark B.
4. For longer stitch, rotate the pulley clockwise and the other way around.
＜ Note ＞
Check if the motor stops completely before you change the stitch length.

8-4 Differential feed dog adjustment

■Stretching ratio (for gathering)
Loosen nut A and adjust with lever B then tighten nut A at desired spot.
Bring the lever B at spot C makes the ratio of the main feed dog and the differential feed
dog 1 to 1.
Bring it at lower than spot C makes a stretching ratio.
■Gathering ratio (for stretching)
Bring the lever B at higher than spot C makes a gathering ratio.
＜ Note ＞
When applying a stretching ratio, be sure that the differential feed dog is in the right position.
J J
J J
s s e e r r i i
13
【 9】 PRESSER FOOT ADJUSTMENT

9-1 Presser foot pressure adjustment

Maintain the presser foot pressure as light as possible
on the condition that the machine feeds the fabric well
and produces stable stitch.
Turn the knob clockwise to increase pressure of the
presser foot.
Refer to the illustration on the right.
9-2 Position and maximum lift height
Set the presser foot onto the presser bar properly so that the needle can drop to the center
of the needle hole.
■Foot lift
The initial height of the foot lift "a" is about 6mm from the surface of the needle plate.
Set the proper height of the foot lift stopper B to hold the presser foot.
e e s s
J J
J J
s s e e r r i i
14
e e s s