Singer 211U157 - Page 9

From the library of Superior Sewing Machine & Supply LLC - www.supsew.com
LESS
TENSION
Fig.
14
Fig.
15
A
TENSION
STUD
Fig.
16
- 8
THREAD
TENSIONS
Tension on thread shou
Id
be
as
I ight
as
possible
yet
sufficient
to
correctly
set
stitches
in material.
NEEDLE
THREAD
TENSION
Regulate needle thread
tension
only
when
presser
foot
is
down.
To
increase
tension,
turn
thumb
nut
shown in
Fig. 14, clockwise.
To
decrease tension
turn
thumb
nut
counterclockwise.
BOBBIN
THREAD
TENSION
Bobbin
thread tension
is
regulated
by
the screw nearest
to
the center
of
tension spring on the
outside
of
the
bobbin
case
shown in Fig. 15.
Turn
machine
pulley
slowly
until
screw
is
accessible.
To
increase tension,
turn
screw inward.
To
decrease
tension,
turn
screw
outward.
THREAD
CONTROLLER
The thread
controller
should
draw
up slack thread
before
needle
point
enters
fabric
to
prevent needle
from
penetrating :hread.
To
adjust thread
control
I er, loosen set screw
A,
shown
in Fig. 16
Turn
thread
controller
spring stop
counterclock-
wise
for
rrore
controller
action
on thread
or
clockwise
for
less
action.
Tighten
set screw
A.
Thread
controller
action
TENSION
should be increased
fer
heavy :hread and
::Jecreased
for
light
thread.
To
adjust thread
controller
action
tension, loosen set
screw B shown in Fig. 16.
Turn
tension stud
slightly
coun-
terclockwise
for
more
tension
or
clockwise
for
less
tension.
Tighten
set
screw
B.