Reliable MSK-8420B instruction manual Detail chart

4.3.2 Winding adjustment (Fig.15)

1)Wound bobbin thread should be neat and tight, if not , adjust the thread tension by turning tension stud thumb nut A of bobbin winder tension bracket.

Note: nylon or polyester thread should be wound with light tension , otherwise bobbin D might be broken or deformed.

2)When the wound thread layer does not present a cylindrical shape as in Fig.15a, loosen tension bracket screw B and move tension bracket C leftward or rightward. If thread is wound as shown in Fig, 15b, move the tension bracket rightward, while if thread is wound as shown in Fig.15c,move the tension bracket leftward, After adequately positioning the tension bracket, tighten screw B .

3)Do not over fill the bobbin , the optimum capacity of thread will fill about 80% of bobbin ouside diameter, this can be adjusted by stop latch screw E .

4.3.3 Threading (Fig.16)

Every thread should be drawn through Thread Hole

A, when use light and smooth thread (polyester or long silk thread), it should be drawn through Hole B , Keep the thread take-up lever in its highest position , draw every thread in the following numerical order.

4.3.4The stitch length and forward and reverse sewing control (Fig.17)

The stitch length can be regulated by Stitch Length Dial A . Turn it counter-clockwise to expand its length and clockwise to shorten its length . The numbers on Dial A show the sizes of the stitch length in mm.

For reverse feed, press down Release Feed Lever C to perform reverse sewing , Release the lever, the reverse feed lever can reset automatically and the forward sewing is resumed.

from right to left from left to right