Singer 20U33 - Setting Needle Bar Height

From the library of Superior Sewing Machine & Supply LLC - www.supsew.com
TO
SET
NEEDLE
BAR
AT
CORRECT
HEIGlIT
OlECK:
1.
Remove
face
plate.
2.
Set
needle
position
selector
on
"center"
and
stitch
width
regulator
for
straight
stitching.
3.
Turn
machine
pulley
over
toward
you
until
needle
descends
to
its
lowest
position.
4.
Check
whether
upper
timing
mark
on
needle
bar
is
level
with
underside
of
needle
bar
timing
indicator
plate.
CAUTION:
The
needle
bar
timing
indicator
plate
has
been
correctly
positioned
at
the
factory
and
it
SHOULD
NOT
BE
DISTURBED.
ADJUSTMENT
:
If
needle
bar
is
not
set
at
correct
height,
then
adjustment
should
be
made
as
instructed
belm,.
1.
With
machine
set
for
straight
stitching
at
center
needle
pos1t1on,
turn
machine
pulley
until
ntedle
bar
is
at
its
lowest
position.
2.
Loosen
needle
bar
set
screw
so
that
only
the
needle
bar
will
move
up
and
down
freely.
3.
Move
needle
bar
up
or
down
as
required,
and
align
its
upper
t1m1ng mark
with
underside
of
needle
bar
timing
indicator
plate.
Then
securely
tighten
needle
bar
set
screw.
4.
Replace
face
plate.
Needle
Bar
Connecting
Stud
Fig.
1
- 3 -
Needle
Bar
Timing
Indicator
Plate
Needle
Bar
Set
Screw
Needle
BaT