High speed single needle lock stitch zigzag machine.
High speed single needle lock stitch zigzag machine with automatic thread trimmer.
COMMISSIONING
To
avoid
lutely necessary
structions:
disturbances
to
observe
or
damages
the
following in-
it
is abso-
NOTES ON SAFETY
The machine must only be commissioned in full knowledge
the instruction manual and operated by persons with appropriate training.
Before putting into service also read the safety notes and the
of
instruction manual
The machine
Use
ofthe
not permitted.
When
needle plate, feed
the workplace is left, and during service work,
must
be
switch or disconnecting the mains plug.
On
mechanically operated clutch motors without start inhibi-
tor
it is necessary
General servicing
ately trained persons.
Repairs, conversion and special maintenance
be carried out
ing.
For service
must
be isolated from the compressed
ceptions
made
must
machine without
gauge parts are exchanged (e.g. needle, presser foot,
isolated from the
by
or
repair work
to
this
by
appropriately trained technicians.
the motor supplier.
be used only for
dog
to
work
technicians
are
the
and bobbin), during threading, when
mains
wait until
must
on
only
adjustments
the
safety devices belonging
the
be carried
or
persons with appropriate train-
pneumatic systems the machine
purpose intended.
by
switching
motor has stopped.
out
only by appropri-
work
air
supply system. Ex-
and
function checks
the
off
must only
to
it is
machine
the
main
of
Before
you
put
the
machine into operation
clean it thoroughly, and oil it well (see page 2
Have
the machine check whether the motor
or
not,
and
that
existing mains voltage
Do
rectly connected.
correct!
When
the machine runs, the balance wheel
the operator.
wires on the motor.
not start the machine
If
it dose not, have the electrician change the
junction
if
must
OILING
HIGH
for
the ftrst
).
can
be used with
box
the
voltage is not
rotate
Fig. I
time
is cor-
toward
Work
on the electrical equipment
or
electricians
Work
on parts
mitted, except
Conversions or changes
adherence
For repairs, only replacement parts approved
must
be used.
Commissioning
time as the entire sewing
regulations.
Meanings
appropriately trained persons.
and
systems under electric current is not per-
as specified in regulartions EN50110.
to
all safety regulations.
ofthe
Danger
Items requiring special attention
Danger
Be
safety notes!
to
of
the
sewing
symbols:
spot!
of
injury
sure
to observe and adhere to these
must
be carried
the machine
head
unit
to
must
is prohibited until such
is found to comply with EC
operative
be
by
or
service
out
made
us
only by
only on
staff
Fig.2
Switch
offthe
machine.
Set sewing
hand'S.
Danger
and table top.
Tip
machine
HIGH
Correct lubrication is indicated by a continuous stream
passing the oil flow window A while machine is running,
shown in Fig. 2.
Should this oil flow become erratic,
check the reservoir oil level, fill
At least twice each month, check
reservoir.
mark,
back
mark
as illustrated
Never
shown in Fig.
on its hinges and fill the oil reservoir
allow
head
upright
of
crushing between sewing
in
Fig. 1.
STOP
if
needed.
the
the oil level
1.
oil level in the
again
the machine and
to
drop below
using both
head
of
add
to
oil
as
oil
Only
use oil with a viscosity
density
C-oil.
- 2 -
of0.888
g/cm3 at 15 C.
o{20.0
mm2/sec.
We
recommend
at
38
o C
and
SINGER
a
NEEDLE AND 11-IREAD
Size of needle should be detennined in accordance with the
size
ofthread
size needle will permit the thread
of the needle and avoid strain and breaking. A bent needle
will cause your machine to skip stitches.
the needle point will result in a finish that looks blurred and
when short stitches are used some materials
Theref
used
and
type
of
ore,
to
obtain best sewing results , use
material being sewn. A correct
to
pass freely through the eye
A hook
or
may
be cut.
SINGER
burr on
needles.
WINDING
11-IE
BOBBIN (See Fig.4)
ti
Applica
Max.
thread A
si
ze-syntheti
eedle size
N
Catalog No . . (
.Aor
an
c
equivalent size
INSERTING
on of class
Me
tri
Co
tton
]I
S
(S
INGER
Me
tri
Needl
e system)
THE
For lightweight
,
materials
c No.
No.
)
c
1906
13
(
1906-07
(135'X
8752-·
(1
35
of other type
NEEDLE
120-
10
80-
60
#
8-
J:HO
70
60-
-·
01
5 X 53)
53
64
X 53 Lg E
of
thread.
(See
0
M Ball)
cc
Fig
For mediumweight
materials
lOO-60
60- 30
#12-#16
80-100
G L Ball
.3)
Fig.4
Bobbin winder spindle ( 1) rotates in
the
direction
of
arrow
(A).
of
aiTow
(B)
Push lever (2) in the direction
To
adjust amount
lever
(2) and move lever (2),
sc
rew
(3).
Adjust the thumb nut (
of
thread
4)
to regulate the tension for bobbin
on
bobbin, loosen set screw
as
required. Securely tighten set
to wind the bobbin.
(3)
in
winding.
If
thread
winds unevenly on bobbin, loosen screw ( 5)
move
bobbin winder pretension ( 6)
and tighten screw
THREADING
)
(5).
11-IE
BOBBIN CASE
up
or down,
as
and
required,
Fig.3
Switch
Do
(2)!
Danger
Use cat. No. 1906-01
Ball),
8752-64
(135
off
not
(See
of
(135
X 135
the
machine.
operate
Fig.
without
3)
finger
guard
injury!
X 53), 1906-07 (135 X 53 M
Lg
G Ecc L Ball)'needles only.
(See table page.)
bar
at
Set the needle
screw (1). (see Fig.
push
it up as far as it will go.
its highest point. Loosen needle set
3)
Insert the needle in
Make
the
needle
sure its long groove
bar
and
faces toward the front. Tighten needle set screw (1) securely.
Fig.5
AB
2
Fig.6
off
Switch
Hold
bobbin so
in
Fig
. 5 and place the bobbin into bobbin case.
that
thread
Pull the thread into slot ( 1) and under
and into slot
delivery eye
(3)
as
shown in Fig. 6.
(A
or
B), as shown in Fig. 6. Use delivery eye (A)
the machine.
will unwind
in
the direction shown
the
tension spring
Then
draw
thread
for sewing light weight material, as shown in Fig. 7.
(B)
Use delivery eye
for sewing
medium
weight material.
A
B
Fig.?
(2)
into
- 3 -
TO REMOVE
Tiffi
BOBBIN CASE
457
A 1 05/505B/505G
125/525B/525G
135/535B/535G
140
143/543B/543G
Open latch (
(Fig. 8)
1)
THREADING
Fig.8
Switch
off
the machine.
Do not operate machine with throat plate
left open.
and remove bobbin case from sewing hook.
1HE
MACI-IINE
457
A105/505B/505G
125/525B/525G
13 5/53
5 B/5 3 5G
140
143/543B/543G
457A
105
125
135
140
143
c
c
Fig.l2
Fig.13
457 A 505B/505G
525B/525G
535B/535G
5.43B/543G
D
FiglO
Fig.9
B
Fig.l1
457A
D
- 4 -
Fig.14
505E/505F
525E/525F
535E/535F
543E/543F
Fig.16
Fig.l5
off
Switch
Do not operate machine
with the cover (2) (See
Fig. 9) left open.
the machine.
Check and
up before threading the machine.
CAUTION: Be careful not to injure
make
sure no thread
thread cutter
threading the rotary take-up.
is
caught in the rotary take-
(1), Fig. 9, on the face plate when
your
fingers with the
REGULATING THE BOBBIN THREAD
TENSION
Pass the thread from
A(Fig.
15
NOTE:
10), B (Fig. 11), C (Figs. 12 and 13) and D (Figs. 14,
and
16) in the order
When passing thread through threading point C (Figs.
12
and
13), wind thread around rotary
(I)
once.
REGULATING
TENSION
the
unwinder through threading points
sho\\-11.
ten.<.;
THE
NEEDLE 11-IREAD
ion wheel
Fig.l9
Regulate bobbin thread tension with tension regulating
1)
as
sho\\-11
screw (
in Fig. 19.
REGULATING THE TAKE-UP SPRING
Regulate needle thread tension with tension regulating
thumb nut (1) as shown in Fig. 17.
REGULATING
1HE
PRETENSION
Fig.l7
3
of
stud ( 1
),
Using a large screwdriver in slot
by
the
turning
amount
spring tension
To
adjust
screw (2), Fig. 20, and
entire tension assembly (3) toward left
Securely tighten screw (2).
stud
( 1 ), as required.
of
take-up
settake-up
spring movement, loosen
spring height by turning the
regulate take-up
or
right, as required.
REGULATING THE PRESSER FOOT
PRESSURE
Fig.20
Fig.18
nut
(2)
Pretension thumb
needle thread will . rotate the rotary tension wheel (1)
without slippage. (Fig. 18)
should be adjusted so that the
To
regulate
screw ( 1 ), Fig. 21, toward left
- 5 -
the
presser foot pressure,
tum
or
right as required.
Fig.21
knurled
thumb
REGULATING THE STITCH
( 457 A 105/125/135/143/505/525/535/543)
LENGTI-I
SELECTING TIIE NEEDLE POSITION
(457 A 105/125/135/140/505/525/535)
Fig.22
To regulate stitch length for forward feed, turn stitch length
regulating screw stud (1), Fig. 22, clockwise to shorten the
stitch length and counterclockwise
length.
To regulate stitch length for reverse feed, turn stitch length
regulating screw stud (2), Fig. 22, clockwise to shorten the
stitch length
length.
To change the direction
reverse lever (3) quickly to lowest position and hold lever (3)
in this position until back tack is completed. The machine will
return to forward feed when lever (3)
REGULATING
(457A140)
and
counterclockwise
of
Tiffi
feed for back tacking, depress feed
STITCH LENGTII
to
lengthen the stitch
to
lengthen the stitch
is
released.
A B
Jill'
~
Fig.24
To select desired needle position, loosen thumb nut (1) and
move lever (2) to desired needle position
Left needle position
A ...
..
. Center needle position
B
C ... Right needle position
& tighten thumb nut.
SETTING THE STITCH WIDTII
(457A 105/125/135/140/505/525/535)
1 .
Fig.23
Switch
off
the machine.
Set sewing head upright again using both
of
hands. Danger
head and table top.
To regulate the stitch length, tip machine back on its hinges,
loosen lock nut (1) and turn rod (2), as required. (Fig. 23)
To
make the stitch length longer, move rod (2) in the direc-
birds nest and thread breakage at start
Insufficient slackness may result in needle thread
being pulled out
needle breakage at start
When slack needle thread regulator function
required, turn off switch (3) shown in Fig. 30 .
AD.nJSTING
TilE
HOLDER
(
457
A 505/525/535/543)
ofthe
needle thread may cause
of
of
needle eye, skip stitching and
of
sewing.
BOBBIN THREAD
sewing.
is
not
of
To adjust the length
loosen screw (1), Fig. 32, and move face plate thread puller
(2), as required.
To shorten the thread end, move thread puller in the direction
of
arrow (A).
To lengthen the thread end, move thread puller in the direction
of
arrow (B).
ADnJSTING
thread end remaining in the needle eye,
TilE
NEEDLE TIIREAD HOLDER
PULLER
( 45 7 A 505 E/505 F
/5
25 E/5 2 5 F /53 5 E/53 5 F /543E/543F)
1
2
&
Switch
machine.
off
the
31
Fig.
Switch offthe machine.
Set sewing head upright again using both
of
hands. Danger
head and table top.
crushing between sewing
To adjust the holding strength
loosen screws (1) and (2), Fig. 33, and adjust the pressure
the needle thread holder puller springs (3) and (4) againSt
needle thread holder puller.
- 8 -
Fig.33
of
needle thread holder puller,
of
INSTALLING
11-IE
BELT GUARD
SPECIFICATIONS
s
I/
(/
\
\
..
/
/.
1
Fig.
34
Stitch type : see table page
Variety: see table page
Machine
Needle catalog No.
Needle size : see table page
Fabric clearance:
Workspace width: 280mm
Workspace hight: 120mm
Bed dimensions : 4 77
Max. stitch length : see table page
Max.sewing speed: see table page
Subject to alterations
pully:
74mm effective dia. for V-belt
:see
105/125/135/140/
505/525/535/543 :
10
10
table page
10
143:
6.2mm
5.
7mm
X 178mm
in
design and dimensions.
MACHINE CARE
Switch offthe machine.
Set sewing head upright again using both
hands. Danger
ing head and table top.
10
10
10
of
crushing between sew-
Switch
off
the machine.
Set sewing head upright again using both
of
hands. Danger
head and table top.
Do not run machine without belt guard!
Danger
Above table surface
Fasten belt guards ( 1) and (2) to machine head with belt guard
screws (3) and (4) and also with nuts (5) as shown in Fig. 34.
Then fasten belt guard (6)
ing sure it will not interfere with belt guard ( 1) and (2),and so
that the V -belt will rest against the belt guard slide (7) when
machine is tipped back on its hinges.
When installing belt guard for machines with thread trimmer,
remove portion "A" from belt guard (2).
When installing belt guard for machines with touch back sys-
tem remove portion "A" and "B" from belt guard (1) and (2).
Below table surface
Install belt guard so that motor pulley and V -belt will rotate
freely without interference.