Highlead GA2388-1 User Manual
Purchasing
Copy
Dept
HIGH
LEAD
GA2388-1
Cylindrical Bed Extra-Heavy Duty
Top And Bottom-Feed Lockstitch Sewing Machine
Instruction Manual
Parts
SHANGHAI HUIGONG
N0.3
Catalog
SEWING MACHINE FACTORY
l,
Precautions
II
Safety
•
Precautions
•
Precautions
2,
Specification
3,
PREPARATION
IIIII
Cleaning
II
Examination
II
Lubrication
II
Testing
4,
HOW
TO
5,
WINDING
6,
ADJUSTMENT
CONTENTS
befores
precautions
before
for
.......................................................................
FOR
the
machine
.......................................................................
........................................................................
............................................................................
ATTACH A NEEDLE
OF
BOBBIN
OF
THE
Starting
Operation
...............................................
................................................................
Starting
Operation
OPERATION
Operation
Conditions
..............................................
...............................................
...........................................................
..............................................................
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
THREAD
BOBBIN
.............................................................
WINDER
.....................................................
1
1
1
1
1
2
2
2
2
2
3
3
IIi In case
I!!!
Winding amount
i!!li
Winding
7,
THREADING
8,
REMOVING
II
Removing
Ill
Installation
9,
ADJUSTING
Ill Tension
Ill
Tension
10,
ADJUSTMENT
11,
ADJUSTMENT
12,
FEEDING
13,
ADJUSTMNET
AND
FORWARD/BACKWARD
14,
FEED
DOG
15,
ADJUSTING
of
uneven winding
of
thread
strength
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
AND
...................................................................
INSERTING
...........................................................
...........................................................
THE
BOBBIN
....................................................
...........................................................................
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
THE
THREAD
of
the
of
the
OF
PRESSER
OF
WALKING
AMOUNT
OF
STITCH
HEIGHT
THE
HEIGHT
TENSION
upper
lower
thread
thread
PRESSURE
FOOT
ADJUSTMONT
........................................................
........................................................
.........................................................
.....................................................
AND
FOR
PRESSER
TOP
FOOT
.........................................
FEED
..............................................
LENGTH
SEWING
.........................................................
...................................................................
OF
THE
NEEDLE
BAR
..............................................
3
3
3
4
4
4
5
5
5
6
6
7
7
7
1. PRECAUTIONS BEFORES STARING OPERATION
1)
Safety precautions:
(1) When turning the power on, keep your hands and fingers away from the area around/under the needle
and
the area around the pulley.
(2)
Power rrmst
be
turned
off
when the machine is not in use, or when the operator leaves the
seat
(3) Power must
the machine, or when replacing.
(4) Avoid placing fingers, hairs, bars etc., near the pulley,
the machine is in operation.
(5) Do not insert fingers into the thread take-up cover, under/around the needle, or pulley when the machine
is
in operation.
( 6)
If
a belt cover, finger guard, eye guard are installed, do not operate the machine without these safety
devices.
be
turned
off
when tilting the machine head, installing or removing the
"V"
belt, bobbin winder pulley, or motor when
"V"
belt, adjusting
2) Precautions before starting operation:
(1)
If
the machine's oil
(2)
If
the machine is lubricated
(3) When a new sewing machine is first turned on,
on.
power
(The pulley should rotate counterclockwise when viewed from the pulley)
Verity the voltage and (single or three) phase with those given on the machine nameplate.
(4)
pan
has
an
oil swnp, never operate the machine before filling
by
a drop oiler, never operate the machine before lubricating.
verity the rotational direction
it.
of
the pulley with the
3) Precautions for operating conditions:
1}
Avoid using the machine
lower) .
2) Avoid using the machine in dusty conditions.
2
..
SPECIFICATION
Max. sewing speed
Needle No.
Needle
Thread take-up lever stroke
Presser-foot stroke
bar
Stitch length
Shuttie hook
Lubrication Manual
stroke
By hand
By knee
at
abnormally high temperatures C
(r.p.m)
(nnn)
(nnn) 96
(nnn)
(nnn)
(nnn)
35
·c
or higher) or low temperatures C 5
r.p.m
800
DYX3
KSP-204N
26#
56
0-11
13
20
,
·c
or
-I-
3-.
PREPARATION
(
1)
Cleaning
Before leaving the factory, the machine parts are coated with rust-preventive grease, which may be
hardened and contaminated by dust during storage and shipment. This grease must be removed with gasoline.
(
2)
Examination
the
FOR
machine
OPERATION
Though every machine
parts may be loose or deformed after long distance transportation with jolt. A thorough examination must be
performed after cleaning the machine. Turn the pulley to see
uneven resistance or abnormal noise.
operation.
(3)
long time
CAUTION: Please use white spindle oil.
Lubrication
When a new sewing machine
is
used again, replenish a suitable amount
Always keep
is
(Fig.l)
the
presser
confrrmed
is
by
strict inspection and test before leaving the factory, the machine
if
there is running obstruction, parts collision,
If
these exist, adjustment must be made accordingly before run-in
used for the first time, or sewing machine left out
of
oil to the portions indicated by arrow in below figure.
lifted before attempting a
dry
run.
of
use for considerably
Fig.l
4)
Testing
(
In
order to get the best working situation, run the sewing machine in a low speed for about I month after
lubricated
4-.
CAUTION: Before using
The needle used by this sewing machine
according
----~-----------------------
fully
Then increase the speed
to
the need
one.
HOW TO ATTACH A NEEDLE (Fig.2)
the
following procedures, be sure to
is
DY X 3 26#" During operation, proper needle can be chosen
to
the sewing thread. (the sewing thread should
--
be
able to pass the pinhole.)
2-
turn
the power switch off.
Insert the needle upto the bottom
groove side
of
needle forward the left
of
needle clamp and tighten the screw keeping the long
Long groove
left side
0
5._
WiNDING
(1) Push the bobbin ® on the bobbin winder
shaft as far
(2) Bring the thread forward toward the bobbin
OF
BOBBIN
as
it will go.
THREAD
Insufficient insertion
X
Fig.2
(Fig.3)
Wrong direction
X
and wind from below in clockwise direction
several times around the bobbin.
(3) Push the lever @ toward other side so that
the driving wheel and driven wheel will engage
and then start the machine.
( 4) The driven wheel will automatically be free
from the driving wheel and stop after the bobbin
is
filled with thread.
6-.
ADJUSTMENT
(1) In case
If
right or to the left as may be required, then tighten the nut.
(2) Winding
of
the thread dose not wind evenly on the bobbin, loosen the nut
amount
OF
THE
uneven winding
of
thread
BOBBIN
WINDER
(Fig.3)
CD
Fig.3
and move the bracket @ to the
Adjusting @ can increase or decrease the amount
(3) Winding
Strength
strength
of
the winding can be adjusted with the nut
-3
of
thread wound on the bobbin.
CD.
--
7,
THREADING (Fig.4)
Raise the needle
bar
to
its highest position and route the upper thread in the
order
illustrated below.
Fig.4
8,
REMOVING AND INSERTING THE BOBBIN
(1) Removing:
Open the shuttle
(2)
Installation:
Put the
the bobbin
and the shuttle
9,
ADJUSTING THE THREAD TENSION (Fig.5)
For ordinary stitching, the tension
bobbin
in
in
the
race
race
cap and the
the
bobbin
cap.
rotary
case so
bobbin
hook
that
of
holder, then take
case, Permit about 5
the
thread wound direction is clockwise.
the upper and the lower threads should
out
em
of
the bobbin.
bobbin
thread
be
to
hand
Then
equal.
down
freely. Install
close the rotary
hook
-4-
Well
balanced
stitch
Upper
or
low-er
thread
thread
is
too
is
str~
too
w-eak
X
Upper
or
(1) Tension
Before adjusting the tension
turn serrated nut on tension device to the right (clockwise) to increase tension and to the left (counter-clockwise)
if
you desire to decrease the tension.
(2) Tension
The lower thread tension is controlled
bobbin case. Turning this screw to the right (clockwise) will increase the thread tension, while turning it to the
of
low-er
of
the Upper thread
the lower thread
thread
thread
of
the upper thread,
by
is
too
is
Fig.5
be
sure that presser foot is let down.
the larger screw near the end
w-eak
too
strong
To
adjust tension,
of
the spring at the outside
of
the
left (counter-clockwise) will decrease the tension.
10, ADJUSTMENT OF PRESSER PRESSURE (Fig.6)
(
1)
Pressure should be adjusted according to the
be
material to
(2) Pressure on both the walking foot and the
presser foot can be adjusted. (The adjusting
screw has been set before shipment.)
(3) Sewing pressure should
minimum required strength.
sewn.
be
adjusted to the
Fig.6
-5-
11..
ADJUSTMENT
(
1)
The
alternating movement
and
presser foot can be adjusted by changing
the
position relations of the parts of
foot lifting mechanism.
OF
WALKING FOOT AND PRESSER
on
the
walking foot
the
presser
FOOT
(Fig. 7)
(2) Changing the position relation
and
link 2
(3) Adjustment should
thickness of the material to be sewn
12
..
FEEDING
(1) According
Top
and
adjusted
or
anti-clockwise variable feeding
(2)
As
will
turn clockwise
On
the
After
the
the
screwl.
the crank 3 can complete the adjustment.
AMOUNT
to
the reqniroment
botlom feeding mechanism can be
to
sychronizc each other
chart,zf the screw 1
and
county,feeding amount will increase.
completion of adjustment, Fulln tighten
of
the connecting
be
changed according
ADJUSTMONT FOR TOP FEED (Fig.8)
of
sewing material.
and
is
is
loosened,
top feeding
amount
to
the
..
clock wise
also available.
the
nut 2
will
reduce.
Fig.7
-6-
Fig.8
lL
ADJUSTMENT OF WALKING FOOT AND PRESSER
FOOT
(Fig.7)
(1) The alternating movement
and presser foot
the position relations
foot lifting mechanism.
(2) Changing the position relation
link
2 and the crank 3
(3) Adjustment should
thickness
12-.
FEEDING
(
1)
According to the reqniroment
Top and botlom feeding mechanism
adjusted to sychronizc
or anti-clockwise variable feeding is also available.
(2) As
On
After the completion
the screw
chart,zfthe
will
turn clockwise and top feeding amount will reduce.
the county,feeding amount will increase.
I.
can
be
of
the material to
AMOUNT
screw I is loosened, the nut 2
of
adjustment, Fulln tighten
on
the walking foot
be
adjusted
of
the parts
can
complete the adjustment.
changed according to the
by
of
of
the connecting
be
sewn
ADJUSTMONT FOR TOP FEED (Fig.8)
of
sewing material.
each
other and clock wise
changing
the presser
..
can
be
Fig.7
-6-
i
I
l
__
Fig.8
13
..
ADJUSTMENT OF STITCH LENGTH AND FORWARD/BACKWARD
SEWING
(1)
Adjusting the stitch length adjusting bolt can
change
(2)
Stitch
(3)
Setting
"0"
can backstitch.
14
..
FEED DOG HEIGHT (Fig.10)
The
feed
dog
the
needle
of
(Fig~9)
the stitch
length can be adjusted between
the
should
plate. Adjustment
length.
stitch length adjusting bolt
be
1.5
mm
0-llmm.
above
higher than the vertex
of
the feed
dog
height
Fig.9
can
be
done
as
follows:
(1)
Turn
the
machine pulley
to
its
highest
(2)
Loosen
height
15
..
ADJUSTING THE HEIGHT OF THE NEEDLE BAR
When
the
the
measurement between the highest point of the
needle
plate
distance need
(
1)
Take
its
highest position.
(2)
Loosen
point.
the screw
by
raising or lowering
needle
bar
is
and
the
needlepoint
to
be adjusted, the steps
down
the
face plate, adjust the needle bar
the
screw
so
as
to
raise the
of
the
feed
dog
and
it.
Then tighten
at its highest point, normally
is
28
mm. When
is
of
needle bar connecting
adjust
as
follows:
feed
the
stud
dog
the
screw.
this
to
Fig.IO
(Fig.ll)
I
.,
N
screw.
(3)
(
4)
Adjust
Tighten
the
needle bar
the
screw.
to
the right position.
-7-
Fig.ll
A.ARM BED AND ITS ACCESSORIES
-8-
Loading...