Singer 211G266 - Timing and Other Adjustments; Thread Controller Spring Adjustment; Tension Release Adjustment

From the library of Superior Sewing Machine & Supply LLC - www.supsew.com
13
TIMING
AND
OTHER ADJUSTMENTS
The
instructions
on
the
fol lowing
pages
are
for Adjusters
and
Mechanics
only!
ADJUSTMENT
Of
THE
THR~AD CONTROLLER SPRING (Figure 26)
The
function
of
the
thread
controller
spring
is
to
hold
back
the
slack
of
the
needle
thread
unti I
the
point
of
the
needle
reaches
the
material
on its upward
stroke,
cs
with-
out
this
controlling
action
of
the
spring,
the
slack
thread
(especially
silk)
will
some-
times
be
penetrated
by
the
point
of
the
needle
as
the
needle
is
descending.
The
spring shou
Id
be
adjusted
so
that
the
thread
is
under
a light.
tension
when
it
passes
around
the
bottom
of
the
bobbin
case
and
is
cast
off
the
hook
point.
The
tension
of
the
contra
lier
spring shou
Id
be
sufficiently
heavy
to
work
satisfactorily
at
high
speed
and
should also
be
light
enough
to
allow
the
full upward movement
of
the
spring
before
thread
~is
demanded
by
the
take-up.
The
regulation
of
the
controller
spring
depends
on sewing
condition
and
the
thread
used.
Adjust
the
spring
travel
by
loosening
screw
1
and
turning
spring stop
2.
To
adjust
the
spring
tension,
loosen
set
screw
3,
and
turn
tension
stud
4.
Turning
counter-clockwise
increases
and
turning
clockwise
decreases
the
tension.
ADJUSTMENT
OF
TENSION
RELEASE
(Figure
27)
The
tension
release
automatically
relieves
the
spring pressure
exerted
on
the
needle
thread
tension
disc
when
the
presser
feet
are
moved to
the
top position
by
the
hand
or
knee
lifter.
The
release
can
be
adjusted
by
loosening screws 1
and
2
and
positioning
tension
release
spring.
Then
securely
tighten
screws I and
2.
Figure 26
Figure
27
·,