Kenmore C877.15 - Regulating Thread Tension

Fig.
II
REGULATING
THE THREAD
TENSION
1%. 11 tff)
Fig.
11 fCi
TO REGULATE THE TENSION
If upper tension
is too loose,
under thread
draws
upper
thread down, thus
forming' a small knot
or
loops, as
shown in
Fig. 11 (A).
If
upper
tension
is too tight,
under thread
is drawn
up
as
shown
in Fig. 11 (B).
Fig. II (C) illustrates
how the
threads
lock in the
center of the
material
when
tension
is properly set.
Fig. 11
(D)
Fig.
11 (E)
V
The tension on the
needle thread
should be regulated
on\y w>en the
pressor foot
is down. Having
lowered
the presser foot, tinVi
the
small rhumb screw (Fig.
1 ID)
at the
front of /he tension
discfc
over
toward you to increase
the
tension. To decrease
the tensionV
turn
the thumb nut
over from you.
'
The
tension on the
bobbin
thread is regelated by the
screw
(Fig. 1 1E) in the bobb
tension
spring.
To increase
the tension,
turn this screw over to
the right.
To decrease the
turn
tha scrow
over
to the left,
Whtn
tfc* tension
on the
b
is
a correct
stitch can
usu
i-:e
prepejrly
adjusted, it Is seldom necessary
by
varyimg
the tension
on the needle thread.