14
6) Adjusting the spring tension
The thread take-up stroke is normally 7~10mm. As a standard, the twisting strength of the thread take-up spring is 40~60 g.
Loosen the screw ③ of the thread take-up lever and turn the thread-adjusting device to achieve the proper thread take-up
stroke. (Set the stroke low for heavy materials and high for light materials)
Insert the driver into the groove of the post ④ of the thread-adjusting device. Turn it left and right to adjust the tension of
the thread take-up spring. (High for heavy materials and low for light materials)
[ Figure 12 ]
7~10mm
Large
Small
40~60g
④
③
Strong
Weak
Strong
7) Adjusting the number of stitches
Align the number indicated on the dial ① with a pin ②
placed above the dial.
※ The higher the number is, the more number of stitches
you will get.
Press in the reverse lever ③ to perform reverse sewing, and
take your hand off the lever to perform normal sewing.
[ Figure 13 ]
①
②
③
8) Adjusting the presser foot pressure
Loosen the fixing nut ② of the pressure-adjusting screw.
Rotate the pressure-adjusting screw ① to the left and right to
set the pressure low, just enough to keep the sewing material
in place. Tighten back the fixing nut ②.
Unfasten the fixing nut ② of the pressure-adjusting screw.
Turn the pressure-adjusting screw ① in a clockwise direction
to increase the pressure, and turn in a counterclockwise
direction to decrease the pressure. Tighten the fixing nut ②
after adjustments.
[ Figure 14 ]
①
②
Weak