Premier MCO-4992 Manual De Instrucciones página 30

shown in Fig11.
12.Release foot switch and the sewing machine will stop. Cut thread end from the winded bobbin.
Thread Tension Adjustment tension adjustment
Just as shown in the right Fig., it requires a slight adjustment
to the thread tension due to different sewing texture's flexibility,
texture material, sewing thickness, and texture layers. The thread
tension adjustment wheel (8) is used for adjust thread tension.
(Shown in right Fig)
Please refer to the following pictures for adjustment on thread tension:
A B C
A. Normal tension (Upper thread and bobbin thread show consistency between front and back)
B. Over tension (Bobbin thread shows cycles on texture front side)
C. Over loose (Upper thread shows cycles on texture back side)
Adjustment for upper thread's tension:
1.First, poke thread clamp (9) to make sure whether thread is jammed or not.
2.Push thread tension adjustment wheel (8) and sew. Adjust to the best stitching effect as sewing,
shown in Fig2.
Adjustment for above mentioned "B: over tension (Bobbin thread shows cycles on texture front side)":
Adjust thread tension adjustment wheel (8) from 9 to 0, or adjust the thread tension adjustment wheel
from large number to small number.
Adjustment for abovementioned "C: Over loose (Upper thread shows cycles on texture back side)":
Adjust thread tension adjustment wheel (8) from 0 to 9, or adjust the thread tension adjustment wheel
from small number to large number.
Thread cutting
Use thread cutter (10) to cut thread, shown in the right Fig.
P-13