Singer 20U33 - Final Needle Location Adjustment

From the library of Superior Sewing Machine & Supply LLC - www.supsew.com
2.
If
there
is
not
a
9.0
mm
distance
between
the
left
and
right
needle
locations,
loosen
bight
and
needle
position
lever
arm
regulating
screw
nut
(left)
and
turn
bight
and
needle
position
lever
arm
Tegulating
screw
(left)
Clockwise
or
cotmterclockwise,
as
required,
and
retighten
set
screw.
F.
FINAL
ADJUSTMENT
OF
NEEDLE
LOCATION
1.
Check
needle
location
in
relation
to
the
needle
hole
in
throat
plate
at
maximum
bight
in
left>
center
and
right
needle
positions.
2.
Remove
general
purpose
throat
plate
and
replace
with
throat
plate
for
straight
stitching.
Set
needle
position
selector
on
"center"
needle
position
and
stitch
width
regulator
for
straight
stitching.
Then
lower
needle
into
hole
in
throat
plate
and
check
needle
location.
3.
If
the
needle
location
in
relation
to
the
needle
hole
in
throat
plate
need
to
be
adjusted,
loosen
zigzag
stitch
regulator
fork
eccentric
connection
pin
set
screw
(Fig.
15) and
turn
zigzag
stitch
regulator
fork
eccentric
connection
pin,
as
required,
to
obtain
correct
needle
location.
4.
Make
certain
that
needle
is
correctly
located,
and
securely
tighten
set
screw.
Then
change
straight
stitch
throat
plate
to
general
purpose
throat
plate.
--
Zigzag
Stitch
Regulator
Fork
Zigzag
Stitch
Regu-
lator
Fork
Eccentric
Connection
Pin
Socket
Hea<l
Wrench
Fig.
15
-
13
-
Needle
Bar
Frame
Zigzag
Stitch
Regulator
Fork
Zigzag
Stitch
Regu-
lator
Fork
Eccentric
Connection
Pin
Zigzag
Stitch
Regu-
lator
Fork
Eccentric
Connection
Set
Screw
Socket
Head
Wrench
Enlarged
View