Highlead GG0028-1-1D Instruction Manual
GG0028-1/-1D
MEDIUM HEAVY DUTY
MACIDNE
Instruction
Parts
Catalog
ZIGZAG
SEWING
Manual
CONTENT
1 Operating instruction
1,
Safety operating guide .................... : ........................................................
2,
Operating notice ........................................................................... _ ........... 1
3,
Operating condition ................................................................................. 1
4,
Chief specification ................................................................................... 1
5,
~ower cable connection ........................................................................... 2
6,
Control box connection .................................................... .-....................... 2
7,
Install belt .............................................................................................. 2
8,
Install belt cover ...................................................................................... 2
9,
The needle bar
1
O,
Operation guide (motor and control box) .................................................. 3
11,
To
lubricate the machine ......................................................................... 3
12,
The hook lubricating condition adjustment .............................................. 3
13,
Time machine cleaning .......................................................................... 3
14,
Wind the
15,
Insert the needle .......................................... ; .......... , ............................. 4
16,
Put bobbin in hook assembly .................................................................. 5
17,
To
thread upper thread .......................................... : ... .-............................ 5
18,
To
catch lower thread ............................................................................. 5
19,
The stitch length and backstitch adjustment.. ........................................... 5
20,
The stitch width adjustment.. .................................................. · ................ 6
21,
The thread tension adjustment. .............................................................. 6
22,
The thread take up spring tension adjustment.. ........................................ 7
23,
The presser.
24,
The gap between hook assembly and needle adjustment.. ......................... 7
25,
The feed dog height adjustment. ......... : ................................................... 7
stop
bobbin
foot
..................................................................................... 4
pressure adjustment.. ................................................... 7
manual
-1
position adjustment.. .................................................. 2
26,
The feed dog obUquity adjustment.. ......................................................... 7
27,
Th
..
e needle
adjustment
28,
The needle base point offset adjustment.. ................................................ 9
29,
Install synchronous belt...~ ...................................................................... 9
30,
Timing between needle and feed dog motion ............................................ 9
31,
The forward/backward stitch length
32,
The position between
~3,
The thread trimming
punches
.................................................................. · .....................
into
the
hook
devics
center
and opener motion adjustment._ ....................... 9
adjustment..
of
the
slot
of
error
adjustment ............................... 9
..
!·::············ ............................... 10
the
throat
plate
position
8
2 Pa-rts
A,
B,
C, Needle bar vibrating parts .....................................................................
D, Presser foot parts .................................................................................
E, Stitch length ~djustment and backstitch parts .......................................... 23
F, Lower shaft, feed dog parts ....................................................................
G,
H, Thread trimming parts ........................................................................... 32
I,
J,
list
Arm bed
Arm shaft and needle bar thread take
Hook assembly .....................................................................................
Oil lubrication parts ................................................................................
Accessories ...........................................................................................
and
its accessories ..................................................................
up
parts .........................................
12
14
17
20
26
29
35
37
1,
Safety operating
1) When turning the power on, keep your hands and fingers away from the area under
guide
.
the needle and around the pulley.
2) Power must be turned
when the machine
is
not used or when the operator leaves
off
his/her seat.
3) Power must be turned off when incline the machine head, install/remove the belt or
move machine.
·4)
Don't place finger, hair, shaft etc. near pulley, belt, wheel and motor
in
order to avoid
injury.
5) Don't insert finger into the thread take up lever guard cover, keep your hands and
fingers away from the area under the needle and around the pulley when the machine
in
operation.
is
if
6) Don't operate the machine without the safety devices
the belt cover or eye guard
are installed.
2,
Operating notice
1)
Don't operate the machine
if
the oil tank without full oil.
2) The machine adopt semi-automatic lubricating mode. Don't operate the machine
before lubricating.
of
3) Check the rotation direction
pulley when firstly start new machine. (The pulley
should rotate in counterclockwise when viewed from pulley)
4) Check the voltage and phase. (Single or three whether is corresponds with the data
in motor nameplate)
3,
Operating condition
1) Avoid using machine at abnormally high temperature
(5
°C
temperature
or lower). Otherwise machine failure may result.
(40°C
or higher) or low
2) Avoid using machine in dusty condition.
4
..
Chief specification
p
~
Max
Needle
Take-up
Feed dog height (mm)
Presser root
sewing
speed
(rmp)
Stitch length (mm)
Stitch width (mm)
bar
stroke
(mm)
lever
stroke
(mm)
Needle
height
lift
Lubricating mode
Trimming device
Hook
Motor
By
hand
(mm)
(mm)
GG0028-1
2800
0-5
0-10
36
82
DPxl 7 Nm90-120
1.2
8
10
Semi-lubricating
Semi-automatic
Without With
Clutch
motor
- 1 -
and
370W
trinal
lubricating
Servo
GG0028-1D
thread
capacity
motor
550W
5, Power cable
1)
When con_necting the power cable to control box, it should confirm the connector
type and machine direction firstly and then plug
completely.
2) Rotary direction: Please refer the instruction
change the rotary direction
connection
of
motor.
the
connector into proper receptacle
book
-of
confected motor if it needs
6, Control box connection
The control box should be
connected as shown in fig.1.
Note:
(1) Be sure to turn the power
switch off for safety before
connecting or disconnecting
the connector.
(2) Machine type
control box
7,
Install belt(Fig.2)
1)
Use
of
V-belt which special
2) To adjust the tension
motor
the
the center posit~on
cause unstable running speed
stand
slow
the motor bearing be damaged.
through turn the tension adjustive nut.
belt
can be sink inside with 15mm when pressing
at
wrong stop position when machine in
running condition. Excessive tension will
must
motor.
of
suit for
for
sewing machine.
of
belt. Change the
belt surface. Lacking tension will
of
machine, or needle
L....-----,.w::...,-1-+--
"-~-------1,-+--1~-
height
It
·~-....,_..,.__
L...------~---
Fig.1
of
is
ok
if
middle/
cause
Receptacle for trimming/
backstitch function
Receptacle for presser
foot lifted function
Receptacle for localizer
Receptacle for control
panel
to
8,
Install belt cover
It
must
install
for
safety.
9,
The needle bar stop position adjustment
Note:
for
1)
When the pedal is kicked down by heel, the
the highest position
2) "Down" Position
When the pedal is stand at middle position, the
i.e.
It
the
adjustment method.
"Up"
Position
the
needle bar raises 3mm from its low~st position.
belt
cover for machine head and
adopts outside localizer, please refer
of
take-up lever.
motor
the
machine
machine
-2-
instruction book
should stop
should stop
Fig.2
of
confected motor
at
"Up" position, i.e.
at
"Down"
position,
10, Operation
1 )Keep foot away from pedal when tu
the operator leaves his/her seat.
2)The detent can't work when the power is interrupted or power fa ilu
machine operation.
3)Keep the control box cover is closed during operation in order to avoid accidental
operation since the
4)Must use multimeter to check control loop circuit in order to protect the semiconductor
parts .
5)Power must be turned off when incline machine head only
6)Must use earthing cable (with yellow/green color) to connect motor.
?)When check the inter circuit, it must turn
cover.
8)1t
must wait 1 Ominutes after turn
importance to release the inside energy.)
9)Keep motor away from much noise area
guide
dust
(motor
come into control box.
and
control
rn
onto~ the power. Power must be turned off when
off
off
the power due the high voltage in box. (It
$UCh
box}
re
occurs during the
or
touch needle.
the power firstly and then open the front
is
very
as high frequency
joint
area when use it
11- To
Clean the m·achine completely before operate
it daily, and check the oil quantity
tank. Then inject oil as arrow shows in fig.3 and
fig.4, start operation
12,
lubricate
the
of
machine
machine.
The hook lubricating
of
hook oil
condition
adjustment(Fig.4)
.To
·adjust hook lubricating !hrough screw A which
tank
of
hook
site before oil
.
1 )The oil quantity is lowest when screw A was
turned with clockwise and the arrow points to "
position.
2)The oil quantity is highest when screw A was
turned with anticlockwise and the arrow points
"MAX"
to
position.
Fig.3
O"
13
,
Time
The
hook, feed dog and
or three coal oil into hook
spilth after ending
with oil. The clean work
one week , the clean work,is very ir.ioc,tance.
capability and rust hook and r.:ae;~:ne. !t sh0u!d
ea
ning.)
cl
machine
of
cleardng
other
parts
of
machine should be cleaned dai
an
d other piace that need to be lubricated. Clean all the
highest speed ope ~ation
must
be ins'.sted every day. (Especially the machine
of
machine, then lubricate
Oi
the spilth will affect
:c
.3
Fig.4
ly,
and drop two
the
machine
worked
the
s'ewing
take away bobbin from hook before
Maintenance
dust or sundries
Maintenance
operation
of
motor: Clean dust
of
motor cover will make it too heat.)
of
control box: Clean
if
there is more dust on the connector
of
the motor cover each one or two month . (More
dust
of
the connector. (
.)
Warning:
Before proceeding to clean and librating the machine, be
and hold your feet away from the machine stand pedal in
machine start by pedal actuation.
14,
Wind
1) Insi
the
Pass
the
from
anticlockwise on the bobbin and put
bobbin on the winder shaft (1
motor and depress the treadle lightly
the machine and by this winder as well. The
winding amount (See Fig.6) is 80%
capacit
screw (4)
the disconnecting pin (3). When the winding
is completed, using the knife mounted
spring (2) cut
2) Outside
Thread tension : Slack winding is recommended
Amount
thread
Capacity
thread. Vice versa.
the
bobbin(Fig.5)
de
winder (Fig.5)
thread through the thread guide (6)
thread stand, wind it few times
the
).
Switch on the
to
start
of
full •
y.
It can be adjusted by loosening the
of
the control lever (5) mounted
off
the thread end.
winder
of
wound thread: Move the thread guide toward
layer
.
of
wound thread: Loosen the adjust screw to
(Fig.6)
in
on
the
2
3
for
polyester and nylon thread.
decrease
It
will affect accidental
sure
to switch off a
order
to avo
smaller
id
accidental
5
Fig.5
diameter
the amount
ll
switches
of
wound
of
wound
',
Adjustive
thread amount
15,
In
sert
the
needle(Fig.7)
Please use DPx17 Nm90-120 needle, the thickness
of
according to the thickness
the hand wheel until the needle bar has reached its top position, loosen the screw on
of
the lower part
the needle bar aod insert the needle . Be
sew,i.ng
screw
for
I
Fig.6
material & thread.
-
4-
0
Proper amount
should
80
with
capacity
of
needle should be decided
When
insert the needle, r~tate
sure
that
be
even winding
% amou
the
of
thread
nt
of
long groQv_e
full
of
the needle directed toward the operator and ch~ck whether the needle
reached the bottom
of
the needle hole. Fix
the
needle by tightening
the
Warning!
Before insert the needle. be sure to switch
if
the terylene
can avoid -this condition. Normally avoid letting
thread
is broken when backstitch. turn the needle
Needle
X
distorted
off
X
Fig.7
the main switch.
the
needle groove face
Long groove
face front
groove
0
shank
screw.
to
has
to
right. maybe
left.
16, Put bobbin
Bring out 5mm lower. thread from bobbin. Turn
Insert the bobbin case with
out
of
the case,
case. With
The correct position
important,
the following machine start.
17,
To
Let
the
Then threading
Unwind a sufficient portion
it through
it through the
spring (5), thread
thread take-up lever. Then downwards
the thread
the
to
the needle. Insert
front
18,
To
Hold the end
turn the pulley
upper
lower
pass them
put them behind
materials under
The
take up level
your
because
thread upper thread(Fig.8)
take up
the
guide
thread
side to
the
catch lower thread
thread
thread out.
through
in
hook assembly
the
bobbin into
while
being inserted into
thumb, push the bobbin case in until you hear a
of
the
bobbin case in
otherwise a needle rupture
lever
at its highest position.
as
shown in Fig.8.
of
thread, and
thread
tension
guide
part
wheel
was
guide
guides
(4) and the lower thread
(9) on the needle bar,
it
into the needle ear from
rear
side.
of
upper
being took
Make
the
th,'e
position
presser
must
(1) and (2), then lead
disc
(6) and thread
(7), (4) and (3) into
thread by left hand;
slowly
by
right hand.
up
and lead
them coordinative, then
underside
foot before start sewing. F1g.8
at
its highest position when start and end th~
of
presser foot,
of
needle. Put
the
the
the
pass
take
through
guide
and
The
the
some
the
thread winding direction
hook.
hook, tilt the lock .fixing
hook signaled by this
up
the
to
the
To
prevent
or
another breakdown could occur at
(8)
'------..-.
the
bobbin
short
sound
the
bobbin
distinct
_____
sewing.
to
right.
from fallig
in
sound.
is very
the
_.
-::.-
19,
The sti
1) The stitch length can be adjusted by turning
of
the machine arm, from O
in
crease
2)
Depress the backstitch hand lever (
3) Depress the
tch
length
the
stitch length. By turning it in the
backst
and
backstit
to
5mm. By turning it in
itch button
as
ch
adjustment
1)
can
shown in
(Fig
.9iFig.10)
the
knob (4) provided on the
the
sense
proceed
Fig.10
of
sense
the arrow "B", you d_ecrease it.
backstitch.
can proceed backstitch.
of
column
the arrow "A",
Ba
ckstitch
button
you
Fig.9
20,
The
stitch width adjustm
Before
outside
ad
increa
locking spanner (2) afte r
21
The
in
(Fig.12)
1) To
lower
clo
decrease
2) To
screw A in Fig.14.
3)
tension for special
adjustment
the
sewn work. Release the locking
just sti
,
terrel
ckwise
It can adjust
tch width
se
the
The
thread tension ad justm
tension
ated that
adjust
thread
to
it.
adjust
of
the stitch width, the machi ne
through
zigzag stitch width. By displacing it
of
upper
the
tension. Turn
increase
the
and
the
stitch forming and l:he sewn m
upper
lower
the
thread tension according
the tension, or inversely, to
threa
take
sewn
ent
(Fig.9)
the
spanner (3). By
the
adju~tment is well.
ent
(Fig.11 ,
the
lower thread
the
tension adjustive
d tension by turning
up spring to adjust
material and thread.
must
X
spanner
displacing
to
12,
be
ateria
to
nut
adjust
upper
thread
Fig.10
must
be stopped and the
(2) (anticlockwise) and
the
lever to the right can
the left
can decrease i
14)
l.
the
in
ive
Tension
adjustive
X
needle
then
t. Lock the
Tighten
nut
Fig
.11
Balance tem;i
or-
Tight upper thread tension Tight lower thread tension
::r loose lower thread tens
Fig.12
-6
io
n
-
or loose upper thread te.nsion
22, The thread take
adjustment(Fig.13}
Loosen thread tension assembly screw
the thread tension assembly from machine to adjust
take up spring
bushing (3), and then adju·st the angle position
lever (5). Turn it to left can increase the elasticity of
spring, or inversely, to
decrease it.
(4). Firstly loosen
up
sprfng
tl1e
&
tension
{1
),
screw (2)
I
take away
of
of
Big
Tension
spring
Fig.14
adjustive
plate
~mr~
1 2 3 4 5
Fig.13
23, The
1)
To
sewn material.
2) Adjustment as shown in Fig.15.
3) The pressure
pressure
even
24, The gap between
Adjust the stitch forming width to zero and turning round the hand wheel towards the
machine, when the needle goes up 2mm from the lowest position, the position
hole should be lower 1.6mm
with
0.05mm.
presser
adjust the presser foot pressure according to the
of
pressure foot
at the top speed.
the
centerline
foot
pressure
of
sewing
. .
must
must
hook
ti
of
needle and the gap from hook top to needle slot bottom should be
adjustment {Fig.15)
to be adjusted as its min. value. But at same time, the
be sufficient to ensure reliable and continuous feeding
assembly
1an
hook top. The
and needle adjustment(Fig.16)
hoc;>k
top position should be ac::ordant
Fig.15
of
needle
I
0.
05mm
Fig.16
25, The feed
The height
leaving factory. The height
material.
screw (2)
fs9d cog and ietight~r·
To
dog
height
of
feed dog should be higher 1.0mm than needle plate. It is the standard for
adjust it, turn pulley wheel to the highest position
of
the lifting lever (8) or:
adjustment
of
f-r:e
scrsvi:.
(Fig.17)
feed dog can be adjusted to 0.8-1.2mm according
t~:s
shaft
(6), adjust it to the required height
- 7
-·
of
feed dog, loosen
of
to
the
sewn
the
26, The feed
The standard position
material.
adjust the rear part
pin
To
(5), adjust it to the required height
dog
obliquity
of
feed dog is horizontal. It can
adjust it, loosen the screw (1) of the feeding lever (9) on the shaft (7),
of
feed dog
adjustment(Fig.17)
be
adjusted according to sewn
by
correspondingly adjusting the position of eccentric
of
the feed dog and retighten the screw.
6
Fig.17
27, The needle punches into the center of the slot of the throat plate
position adjustment (fig.5)
Adjust the stitch to the zero width and turn the pulley wheel until the needle reaches
its bottom position.
plate slot both longitudinally and transversely.
1)
The needle punches longitudinally into the center
adjustment (Fig .18)
Screw out the two screws of the panel, loosen the securing screws
finely adjust the position
machine arm so as to set the needle longitudinally into the center of the needle plate
slot. Retighten the ·screws (1) and (2) and mount the panel.
To
observe: When tightening the adjustive screw
for adjusting the needle position, do not tighten
them completely but leave a movement
between them
transverse movement
required for stitch.
2)
The needle punches transversely into the center
of the needle plate slot position adjustment (Fig.19)
Adjust
pulley wheel until the needle reaches its bottom
position. Screw out two screws (2)
indicating dial
Loosen slide block screw(3), adjust the needle
punches position through moving the slide block
up
the dial after the adju~tment
the
stitch to the zero width and turn the
and down. Retighten the screws (3) and mount
At
the same time, the f)eedle should be
of
the screw (3) both on the ·front and on the rear side
in
order not to obstruct the
of
the needle bar bracket
of
(.1)
and take away the dial (1).
is
well.
s·pace
stitch width
in
the center of the needle
of
the n9edle plate slot position
(1)
and (2), and
-------------,
of
the
-8-
Fig.18
5
4
0
5
Fig.19
28
, The needle base point offset adjustment(Fig.19)
It needs to adjust the needle base point offs
sew
line when straigh t
ing. The adjust ive method as below:
et
if the stitch forming doesn't
1) Turn the stitch width to zero .
2) Screw out
(1
scale
two screws (2)
of
stitch width indicating
) and take away the di al (1), loosen the
turntable screw (5).
3)
To
adjust the needl
e base point offset by turn i
ng
the
turntable (6).
Re
4)
tighten
the
turntable screw and mount the dial
after the adjustment is well.
29, Install sy.nchronous belt(Fig.20)
Remount the synchronous belt acco rding to
ng
followi
method:
1 )Turn pulley wheel to the highest posi tion
of
feed dog.
2)Lean the
synchronous pulley
machine
head backward. Turn the
of
lower shaft, amount t
belt when the first screw A face downwardly
he
A-
B
C
---
----
-----~
~
Fig.21
F
ig.20
the
straight
-
----..
30, Timing between needle and feed dog motion(Fig.21 ,22)
When needle point A reaches needle plate top surface B, feed dog surface C should
be keep acco
on height (Fig.21)
wit
h needle plate top surface. It is the stand
rd
ant
synchronous relationship. Adjustive method
be
low:
as
1)
Orientation
the machine head backward, Loosen
press lifting feed cam (6) , turn pulley lightl
re
tighten the
90
° between
feed cam with
2) Loosen the synchronous pulley screw
shaft, turn
ti
ll the need
surface
of
of
lifting feed dog cam: Lean
sc
screw
the
lepoint
(5) whe n the angle becomes
the
orientation mark point
the
groove
pulley
of
feed cam (7).
in
machine rotation
move down ward to tou
needle piste. Then turn lower
-
rew(5),
y,
of
lifting
of
lower
direc
tion
ch
the top Fi
shaf
t in machine rotation direction, retighten.
9-
g.2
2
Lower
ard
shaft
the synchronous pulley screw when feed dog surface keep accordant on height with
needle plate top surface.
31, The
forward/backward
stitch
length
error
adjustment(Fig.22)
1 )Adjust the forward/backward stitch length error through
to adjust the position
of
the
backstitch block on backstitch connection shaft.
2)Lean the machine head backward, loosen backstitch
(1
).
At
block screw
same time, press backstitch pin (3)
backstitch connection shaft (2) in order to avoid
it
of
fall off
5
backstitch control lever crank (4).
3)Backstitch length will be increased when remove
backstitch block to right, and it will be decreased
when
remove backstitch block to left.
4)Retighten backstitch block screw
(1) after the
4-
3
-~21H!~jil--.---lll-
2
---b~~~
_:__..,uj,,..h,
adjustment is well.
Fig.23
32, The position between hook and opener motion adjustment(Fig.23)
1)Lean the machine head backward, screw out
saddle, open bottom cover
2)Put the needle bar
to
3)Loosen thread finger cam screw
site on the nearest position
4)Loosen hook
opener
(2).
its lowest position.
(3), adjust thread finger cam
of
hook, and then retighten thread finger cam screw.
screw (5), adjust the distance between thread finger and hook
the
bottom cover screw (1)
(4)~
of
hook
make thread
finger
is 0.3-0.4mm.
33, The thread trimming device adjustment(Fig.24)
Thread trimming
electromagnetic
Thread trimming lever
Nut
\
\
\.-----._...M.
\
5mm
\
\
\
\
\
. \
~\
~
Nut
Thread trimming
rod
(left)
Fig.24
Thread trimming
drive crank pin
1 )djustment of thread trimming electromagnetic stroke
A.The standard stroke is 5.0mm.
B.To
adjust thread trimming electromagnetic stroke through to adjust the screw A
Thread trimming
drive crank
Stopper block
Screw A
Thread
release
crank
Screw
B
of
-10-
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