Highlead GC22618 User Manual
®
HIGH
LEAD
GC22618
CYLINDER-BED UNISON FEED SEWING MACHINE
Instruction Manual
Parts
SHANGHAI HUIGONG
N0.3
Catalog
SEWING MACHINE FACTORY
CONTENTS
INSTRUCTION MANUAL
1,
PRECAUTIONS BEFORE STARTING OPERATION .................................................................................... !
2,
SPECIFICATIONS ....................................................................................................................................... 1
3,
PRECAUTIONS FOR SEWING OPERATE ................................................................................................. 2
4,
NEEDLE ......................................................................................................................................................... 3
5,
WINDING THE LOWER THREAD ............................................................................................................ 3
6,
ADJUSTING OF THE BOBBIN WINDER ................................................................................................... 4
7,
REMOVING AND INSERTING THE BOBBIN ........................................................................................... 4
8,
THREADING ................................................................................................................................................. 4
9,
ADJUSTING OF THREAD TENSION ......................................................................................................... 5
10, ADJUSTING THE PRESSURE OF PRESSER FOOT .............................................................................. 6
11, STITCH LENGTH & REVERSING LEVER ........................................................................................... 6
12, ADJUSTING THE LIFT OF THE ALTERNATING PRESSER FOOT ....................................................... 6
13, RE-SET THE SAFETY CLUTCH MECHANISM ...................................................................................... 7
14, ADJUSTING THE HEIGHT OF THE FEED DOG ................................................................................... 7
15, RELATIVE POSITION OF THE FEED DOG TO NEEDLE PLATE ......................................................... 7
16, ADJUSTING THE HEIGHT OF THE NEEDLE BAR ................................................................................ 8
17, ADJUSTING THE HEIGHT OF THE PRESSER FOOT .......................................................................... 8
18, TIMING OF THE VIBRATING PRESSER FOOT .................................................................................... 9
19, ADJUSTING THE THREAD TAKE-UP SPRING ...................................................................................... 9
CATALOG
A,
ARM BED AND ITS ACCESSORIES ...................................................................................................... 1 0
B,
TAKE-UP THREAD AND ARM SHAFT MECHANISM ........................................................................
C,
ROTATING HOOK SHAFT MECHANISM ...............................................................................................
D,
FEEDING AND FEED LIFTING MECHANISM ....................................................................................
E,
STITCH REGULATOR MECHANISM .................................................................................................... 20
F,
NEEDLEBARFEEDINGMECHANISM
G,
PRESSER FOOT MECHANISM ............................................................................................................
H,
ACCESSORIES .........................................................................................................................................
..............................................................................................
13
15
18
22
25
27
-1-
1..
PRECAUTIONS BEFORE STARTING OPERATION
1) Safety precautions
(I)
and
the
machine,
When turning the power
the
area around
(2)
Power
(3)
Power
Avoid
(4)
the
must be turned off when
must be turned off when tilting the machine
or
when replacing.
placing fingers, hairs, bars
pulley.
on,
keep your
the
bands
machine
etc.,
near
and
fingers
is
not in
the
pulley, "V" belt, bobbin winder pulley,
away from the area around/under
use,
or when the operator leaves
head,
installing or removing the "V" belt, adjusting
the
the
seat
or
motor when
needle
the·machine
(5)
is
in operation.
(
devices.
2)
Precautions before starting operation
(I)
(2)
lubricating.
(3)
power
(4)
3)
Precautions for o.perating conditions
(
lower) .
(2)
is
in operation.
Do
not insert fingers into the thread take-up
6)
If
a belt
cover,
finger guard, eye guard are installed,
If
the
machine's oil pan has an oil
If
the
on.
1)
machine
When
a new sewing machine
(The
pulley should rotate counterclockwise when viewed
Verify
the
Avoid
using the machine at abnormally high temperatures C 3 5
Avoid
using
is
lubricated
voltage
and
(single or three) phase with
the
machine in dusty conditions.
by
is
cover,
under/around the needle, or pulley when the machine
do
not operate the machine without these safety
sump,
never operate
a drop oiled (consider revising), never operate the machine before
first turned
on,
the
machine before filling
verify the rotational direction
from
the pulley)
those
given on the machine nameplate.
·c
or higher) or low temperatures C 5
it.
of
the pulley with the
·c
or
2
...
SPECIFICATIONS
Max.
Sewing
Max.
Stitch Length
Thread
Needle Bar Stroke
Presser Foot Stroke
Alternating Movement
Needle
Rotating
Lubrication System
Electric Machinery
Speed
Take-up
Hook
Lever Stroke
By Hand
n
...... v-....
oy
l'>..llvv
Lifting
Presser
,..
Foot
-1-
2200rpm
5nnn
61.5nnn
33.4nnn
8nnn
1A-
.l""tllllll
4.3nnn
DPX17
KRT31-11SG
Manual
1400 rpm370W
22#
3-.
PRECAUTIONS
FOR
SEWING OPERATE
1) Cleaning
Before leaving the factory, the machine parts are coated with rust-preventive grease, which may
hardened and contaminated
gasoline.
the
machine
by
dust during storage and shipment
This
grease nrust
l;>e
2) Examination
Though every machine
machine parts may be loosen or deformed after long distance transportation with
examination must
running obstruction, parts collision, uneven resistance or abnon1lal noire.
made accordingly before run-in operation.
be
perfmmed after cleaning the machine. Turn the balance wheel
is
confirmed
by
strict inspection and test before leaving the factory, the
jolt
to
see
If
these exist, adjustment nrust
3) Lubrication (Fig.l-. Fig.2, Fig.3, Fig.4)
When a new sewing machine is first operated, or when a sewing machine
use for long period
shown below.
For oil,
of
tiine, it will
Use white spindle oil
be
necessary
to
oil through the oil holes after removing the rubber plugs
is
operated which
be
removed with
A thorough
if
there
is
be
is
out
of
Fig.l
B
I
I
Fig.3
-2-
Fig.2
Fig.4
4)'Broken-in
It
is
imperative that
1600rpm in
4..
NEEDLE (Fig.5)
Use
DP
X
pass
freely
1)
Removing
17
#22.
through
order
The
the
the
to
allow
the
size
of
the
eye
of
the
needle bar
for
the
parts
needle
needle.
to
first several
to
become
to
be used
the
weeks
properly
should
of
operation the
broken-
be determined by
in.
the
max.
size
Speed
of
the
is
held
thread,
at
less
than
which must
highest
the
clamp.
needle
position:
2)
Loosen
needle
Keep
forward
3)
Tighten
5..
WINDING
1)
Push
2)
Pass
the
up
to
the
the
the
a bobbin
the
needle screw, insert
the
bottom
long groove side
left.
screw.
THE
thread
LOWER
on
the
bobbin winder
from
of
needle
the thread stand
Needle bar
Long groove
of
facing to tbe
left
THREAD (Fig.6)
spindle
(3)
as
downward
far
as
through
it will
go.
the
eye
Needle
(1)
in
the
tension bracket,
Fig.S
then
between
3)
Bring
4)
that
5)
and
Push
the
The
the
with
belt
bobbin
direction several
so
from
filled
and
around
the
thread
wind
from
times
the
lever (
pulley
and
V belt will engage and
pulley will automatically be
and
stopped after the bobbin
thread.
the
back
forward
blow in clockwise
around
4)
the
toward
toward the
bobbin.
other side
of
the
free
is
tension
disc
(2).
-3-
1 2
Fig.6
---··-~·---~--------
6
..
ADJUSTING THE BOBBIN WINDER (Fig.6)
1)
In
case
of
uneven
winding
Loosen the screw ( 5 )
required.
2)
Winding
Adjustment screw (
on the bobbin.
3)
Winding
Strength
7-..
REMOVING AND INSERTING
1) Take
Open the cover and take out the bobbin.
2) Install
Replace the bobbin to the bobbin case;
pull the thread to the left.
amount
strength
of
the winding can be adjusted with the nut (
out
the
bobbin
the
bobbin
in
the tension bracket and move the bracket
of
thread
6)
can be turned in or out to increase or to decrease the amount
THE
to
the right
7)
BOBBIN (Fig.7)
or
to the left as may
of
thread wound
be
8"
THREADING (Fig.8)
Raise the needle
and thread the upper thread in the following
order.
bar
to
its highest position
Fig.7
-4-
Fig.8
9,
ADJUSTING
OF
THREAD TENSION (Fig.9)
For ordinary
1) Tension
Before adjusting the tension
not in other position.
and
to
stitching.
of
upper
the
left
if
you
Well balanced stitch
Upper thread
or
Lower thread
upper thread
desire
lower thread
the
tension
thread
To
adjust tension, turn serrated nut on tension device
is
of
(Fig.lO)
of
to
decrease
is
too strong
is
too weak
is
too strong or
too weak
the
upper
the upper
it
and
the
thread,
lower
threads should be
it should certain that the presser foot
equal.
to
the right
is
let down but
to
increase tension
2)
Tension
Turning
to
the
of
the lower
the
larger screw
left (counter-clockwise) will decrease
thread
(A)
Fig.9
(Fig.ll)
to
the
right (clockwise) will increase
it
Fig.ll
the
thread
tension,
Fig.lO
while
turning
it
-5-
10,
ADJUSTING THE PRESSURE OF PRESSER FOOT (Fig.12)
Pressure
To
of
the presser foot can be adjusted by turning the pressme regulating thumb screw
increase the pressure,
tum
the screw to the right and to left
if
you decrease the pressure.
Fig.12
(A)
11, STITCH LENGTH & REVERSING LEVER (Fig.13)
Adjusting the stitch adjustment bar
can set stitch length
For desired stitch length,
stitch adjustment bar downward.
12-.ADJUSTINGTHE
OF
THE ALTERNATING
push the
LIFT
PRESSER FOOT(Fig.14)
To
alter iift, ioosen the wing nut
move the link and stud assembly along the
slot-move up to raise the feeding presser foot
and push down to lower this foot. Tight wing
of
nut upon completion
adjustment.
(i)
and
Fig.13
Fig.14
-6-
13..
RE-SET THE SAFETY CLUTCH MECHANISM (Fig.15)
1) Retmving
2) Depress button
any
foreign matter may have lodged itself in
(D)
, turn
the
pulley clockwise until
the
hook.
Do not use
the
locking mechanism re-engages.
any
sharp-edged
Fig.15
tools.
14
..
ADJUSTING
The
max.
To
adjust
1)
2) Thrn
3)
4) Tighten
Height
this
Set
Take
THE
of
the
height:
the
stitch length at mininrum
the
pulley
out
cover
the
screw (
HEIGHT
feed
dog
so
as
to
( 1 ) , Loosen
2)
from
raise
after
OF
THE
the
surface
the
feed
the
screw ( 2 ) , adjust
adjustment.
dog
to
to
1
t
lmm
FEED DOG (Fig.16)
the
needle plate
it highest position.
the
2
1
is
height
normally
of
the
lmm
feed
dog .
Fig.16
-7-
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