Singer 246-3 - Tension and Pressure Adjustments; To Regulate the Tensions; To Regulate the Pressure on the Material; To Check the Curvature of the Needle

From the library of Superior Sewing Machine & Supply LLC - www.supsew.com
18
TO
ADJUST
THE
NEEDLE
THREAD
CONTROLLER
See Fig.
24
When
the
needle
is
at
its
highest
position,
the
needle
thread
should
run
under
the
clearance
U3
of
the
needle
thread
controller
J3.
Fig.
24.
Adjustments of the
Needle
Thread Controller
To
adjust
the
needle
thread
controller,
remove
the
screws
X5, fig.
17,
and
the
oil
splash
guard
Z5,
Fig.
17.
Remove
the
top
cover
G4,
Fig.
25
and
swing
the
cloth
plate
Q
out
to
the
left.
Loosen
the
two
set
screws
V3
and
rnove
the
needle
thread
controller
J3
toward
the
front
or
back,
as
required.
Then
securely
tighten
the
two
screws
V3
and
replace
the splash
guard
Z5
and
the
top
cover
G4.
TO
SET
THE
LOOPER T AKE-UP-(LEFT)
See Fig.
25
When
left
looper
Z2
is
moved
to
its
extreme
right
position,
the
eye
of
the
left
take-up
X3
should
be
in
line
with
the
center
of
the
left
looper
thread
bushing
Y3,
as
shown
111
Fig.
25.
To
set the
left
toke-up
X3,
remove
the
chip
guard
W,
Fig.
24,
and
open
the
front
cover
plate
P.
Loosen
the
two
set
screws
T3
and
raise
or
lower
the
right
end
of
the
left
take-up
X3,
as
required.
Then
securely
tighten
the set
screws
T3
and
replace
the
chip
guard
W.
TO
SET
THE
LOOPER T AKE-UP-(RIGHT)
See
Fig.
25
When
left
looper
Z2
is
moved
to
its
extreme
right
position,
the
eye
on
the
right
toke-up
A4
should
be
·,n
line
w·1th
the
left
looper
thread
bushing
Y3
and
the
eye
of
the
left
take-up
X3,
as
shown
in
Fig.
25.
To
set the
right
take-up
A4,
open
the
front
cover
plate
P
and
loosen
the set
screw
C4.
Raise
or
lower
the
right
toke-up
A4,
as
required.
Then
securely
tighten
the set
screw
C4
and
close
the
cover
plate
P.
19
TO
SET
THE
RIGHT
LOOPER
THREAD
STRIPPER
See Fig.
25
The
right
looper
thread
stripper
B4
should
be
norrnully
at
the
midpoint
of
the
top
and
bottom
extremes
of
,ts
adjustment,
as
shown
in
fig. 25.
To
set the
right
looper
thread
stripper,
open
the
front
cover
plate
P
crnd
loosen
the
set
screw
H4.
Raise
or
lower
the
eyelet
B4,
as
required.
flwn
securely
ti9hte11
the
set
screw
H4
and
close
the
cover
plate
P.
Z2
B4
1-119
7f3
03
K4
F4
E4
Fig.
25.
Adjustments
of
the
Looper
Thread
Toke-up
TO
SET
THE
LEFT
LOOPER
THREAD
EYELET
See Fig.
25
ll1t,
l,,lt
lchJf1t·r
tlireud
ey,,let
F4
should
be
normully
ot
tlw
111idpc1111t
of
tire
slot
K4,
us
slh1wrr in
Fig.
25.
lo
ud1ust
the,
J,,ft
l,1oper
thrtJad
eyelet,
1,iosen
the
set
screw
E4
crnd
ruise
or
illwer
the
cy,•leet
F4
to
tire
fllOper
l,icc1tic1r1.
Then
securely
tiuhten
tire s,;t
screw
E4.