SINGER W1366 - Manual (Page 11)

10
adjusting the tensions
Always adjust the upper tension with the presser foot down^
as the tension is released when it is raised. To increase
+V, unoer thread turn dial (Fig. 15) to the righ , or
tension on the upper thread tu
rlorkwise- to decrease, turn to the left. Ihe higher i
clockwise, ■ Re.fnrp adiusting lower tension
on the dial the tighter the tension. Before adjusting
the machine is threaded properly.
Xn U t re-sarv .o change .he bobb.n tens.on, .urn
the small screw (F.g. 17) on s.de oi the bobb.n case clockw.s
tighten, counterclockwise to loosen. -
Fig. 15
Fig. 16A Fig. 16B
When the upper and under tensions are pawpern/
balanced, a perfect st.tch w.U be formed w.th both
threads interlocking in fabric (Fig. 16-A,i.
When the upper tension is too tight, the lower
thread is pulled up over the upper thread which is
lying flat on the fabric (Fig. 16-B).
When the upper tension is too loose, the upper
thread forms loops over the lower thread lying flat
on the fabric (Fig. 16-C).
Fig.
16C