SINGER W1066 (older model) - Manual (Page 12)

Figures on indicator
Number of stiches per inch
SEWlNCdi ilN
adjusting THE TENSIONS
i • nh the nresser foot down, as the tension is na u
Always adjust the upper tension with P ^ ^3 ^ to
released when il is raised. To increase e ensio number on the dial the lighter
,„e right, or dochw.se. To decrease ° is threaded properly,
the tension. Before adiusting lower tension be sure that tn
When necessary to change the bobbin tens,or., turn sma
screw (Fig, 14) on side of the bobbin case clockw.se
lighten, counterclockwise to loosen. Uy^lanred
When the upper and under tensions
a perlecl st.loh will be formed with both threads interlockmg
in fabric (Fig. 15). ic.
When the upper tension is too light, the lower
pulled up over the upper thread which is lying flat on
'"'’"when Ihl^ upper tension is too loose the “PP“
terms loops over the lower thread lying ilal under the
(Fig. 17).
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