HIGHLEAD GG0028-1 Instruction Manual

GG0028-1/-1D
MEDIUM HEAVY DUTY ZIGZAG SEWING
MACIDNE
Instruction Manual
Parts Catalog

CONTENT
1 Operating instruction manual
1, Safety operating guide....................:........................................................ -1
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 stop position adjustment....................................................2
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 bobbin .....................................................................................4
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. foot pressure adjustment.....................................................7
24, The gap between hook assembly and needle adjustment...........................7
25, The feed dog height adjustment..........:...................................................7
26, The feed dog obUquity adjustment...........................................................7
27, Th .. e needle punches into the center of the slot of the throat plate position
adjustment .................................................................. · ..................... 8
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 error adjustment ...............................9
32, The position between hook and opener motion adjustment._.......................9
~3, The thread trimming devics adjustment.. .. !·::············............................... 10
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2 Pa-rts list
A, Arm bed and its accessories.................................................................. 12
B, Arm shaft and needle barthread take up parts......................................... 14
C, Needle bar vibrating parts..................................................................... 17
D, Presser foot parts................................................................................. 20
E, Stitch length ~djustment and backstitch parts..........................................23
F, Lower shaft, feed dog parts....................................................................
26
G, Hook assembly..................................................................................... 29
H, Thread trimming parts...........................................................................32
I, Oil lubrication parts................................................................................ 35
J, Accessories........................................................................................... 37
From the Library of Superior Sewing Machine & Supply LLC

1, Safety operating guide .
1) When turning the power on, keep your hands and fingers away from the area under
the needle and around the pulley.
2) Power must be turned
off when the machine is not used or when the operator leaves
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
is
in operation.
6) Don't operate the machine without the safety devices
if 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.
3) Check the rotation direction
of 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 (40°C or higher) or low
temperature
(5 °C or lower). Otherwise machine failure may result.
2) Avoid using machine in dusty condition.
4 .. Chief specification
~
p GG0028-1 GG0028-1D
Max sewing speed (rmp) 2800
Stitch length (mm)
0-5
Stitch width (mm) 0-10
Needle bar stroke (mm)
36
Take-up lever stroke (mm)
82
Needle DPxl7Nm90-120
Feed dog height (mm) 1.2
Presser root
height (mm)
8
lift
By hand (mm)
10
Hook
Semi-lubricating and trinal thread capacity
Lubricating mode Semi-automatic lubricating
Trimming device Without With
Motor
Clutch motor 370W Servo motor 550W
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5, Power cable connection
1) When con_necting the power cable to control box, it should confirm the connector
type and machine direction firstly and then plug
the connector into proper receptacle
completely.
2) Rotary direction: Please refer the instruction book -of confected motor if it needs to
change the rotary direction of motor.
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.
·~-....,_..,.__ Receptacle for trimming/
backstitch function
(2) Machine type must suit for
control box
of motor.
L...------~--- Receptacle for presser
foot lifted function
L....-----,.w::...,-1-+-- Receptacle for localizer
"-~-------1,-+--1~- Receptacle for control
7, Install belt(Fig.2)
1) Use V-belt which special for sewing machine.
2) To adjust the tension of belt. Change the height of
motor through turn the tension adjustive nut. It is ok if
the belt can be sink inside with 15mm when pressing
the center posit~on
of belt surface. Lacking tension will
cause unstable running speed
of machine, or needle
stand
at wrong stop position when machine in middle/
slow running condition. Excessive tension will cause
the motor bearing be damaged.
8, Install belt cover
It must install belt cover for machine head and motor
for safety.
9, The needle bar stop position adjustment
panel
Fig.1
Fig.2
Note:
It adopts outside localizer, please refer the instruction book of confected motor
for the adjustment method.
1)
"Up" Position
When the pedal is kicked down by heel, the
machine should stop at "Up" position, i.e.
the highest position
of take-up lever.
2) "Down" Position
When the pedal is stand at middle position, the
machine should stop at "Down" position,
i.e.
the needle bar raises 3mm from its low~st position.
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10 , Operation guide (motor and control box}
1)Keep foot away from pedal when tu rn onto~ the power. Po wer must be turned off when
the operator leaves his/her seat.
2)The detent can't work when the power is interrupted or power failu
re occurs during the
machine operation.
3)Keep the control box cover is closed during operation in order to avoid accidental
operation since the
dust come into control box.
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
or touch needle.
6)Must use earthing cable (with yellow/green color) to connect motor.
?)When check the inter circuit, it must turn
off the power firstly and then open the front
cover.
8)1t must wait 1Ominutes after turn off the power due the high voltage in box. (It is very
importance to release the inside energy.)
9)Keep motor away from much noise area
$UCh as high frequency joint area when use it
11- To lubricate the machine
Clean the m·achine completely before operate
it daily, and check the oil quantity
of hook oil
tank. Then inject oil as arrow shows in fig.3 and
fig.4, start operation
of machine.
12, The hook lubricating condition
adjustment(Fig.4)
.To ·adjust hook lubricating !hrough screw A which
site before oil
tank of hook .
1)The oil quantity is lowest when screw A was
turned with clockwise and the arrow points to "
O"
position.
2)The oil quantity is highest when screw A was
turned with anticlockwise and the arrow points
to
"MAX" position.
13 , Time machine cleardng
Fig.3
Fig.4
The hook, feed dog and other parts of machine should be cleaned dai ly, and drop two
or three coal oil into hook
an d other piace that need to be lubricated. Clean all the
spilth after ending
of highest speed ope~ation of machine, then lubricate the machine
with oil. The clean work
must be ins '. sted every day. (Especially the machine wor k ed
one week, the clean work,is very ir.ioc,tance. Oi the spilth will affect the s'ewing
capability and rust hook and r.:ae;~:ne. !t sh0u!d
:c take away bobbin from hook before
cl
ea ning.)
.3
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Maintenance of motor: Clean dust of the motor cover each one or two month. (More
dust or sundries
of motor cover will make it too heat.)
Maintenance
of control box: Clean dust of the connector. ( It will affect accidental
operation
if there is more dust on the connector .)
Warning:
Before proceeding to clean and libr at ing the machine, be sure to switch offa ll switches
and hold your feet away from the machine stand pedal in
order to avo id accidental
machine start by pedal actuation.
14, Wind the bobbin(Fig.5)
1) Insi de winder (Fig.5)
Pass
the thread through the thread guide (6)
from
the thread stand, wind it few times
anticlockwise on the bobbin and put
the
bobbin on the winder shaft (1 ). Switch on the
motor and depress the treadle lightly
to start
the machine and by this winder as well. The
winding amount (See Fig.6) is 80% of full •
capacit
y. It can be adjusted by loosen in g the
screw (4)
of the control lever (5) mounted on
the disconnecting pin (3). When the winding
is completed, using the knife mounted
in the
spring (2) cut
off the thread end.
2) Outside winder (Fig.6)
2
3 5
Fig.5
Thread tension: Slack winding is recommended
for polyester and nylon thread.
Amount
of wound thread: Move the thread guide toward smaller diameter of wound
thread
layer .
Capacity
of wound thread: Loosen the adjust screw to decrease the amount of wound
thread. Vice versa.
', Adjustive screw for
thread amount
Fig.6
15, In sert the needle(Fig.7)
I
0
Proper amount of thread
should
be even winding
with
80 % amou nt of full
capacity
Please use DPx17 Nm90-120 needle, the thickness of needle should be decided
according to the thickness
of sew,i.ng material & thread. When insert the needle, r~tate
the hand wheel until the needle bar has reached its top position, loosen the screw on
the lower part
of the needle bar aod insert the needle. Be sure that the long groQv_e of
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the needle directed toward the operator and ch~ck whether the needle shank has
reached the bottom
of the needle hole. Fix the needle by tightening the screw.
Warning!
Before insert the needle. be sure to switch off the main switch.
if the terylene thread is broken when backstitch. turn the needle groove to right. maybe
can avoid -this condition. Normally avoid letting
the needle groove face to left.
X Needle
distorted X
Fig.7
16, Put bobbin in hook assembly
Long groove
face front
0
Bring out 5mm lower.thread from bobbin. Turn the thread winding direction to right.
Insert the bobbin case with
the bobbin into the hook. To prevent the bobbin from fallig
out
of the case, while being inserted into the hook, tilt the lock .fixing the bobbin in the
case. With
your thumb, push the bobbin case in until you hear a short distinct sound.
The correct position
of the bobbin case in the hook signaled by this sound is very
important,
because otherwise a needle rupture or another breakdown could occur at
the following machine start.
17, To thread upper thread(Fig.8)
Let the take up lever at its highest position.
Then threading
as shown in Fig.8.
Unwind a sufficient portion
of thread, and pass
it through the thread guide (1) and (2), then lead
it through the
tension disc (6) and thread take up
spring (5), thread
guides (7), (4) and (3) into the
thread take-up lever. Then downwards through
the thread guide (4) and the lower thread guide (8)
to
the thread guide (9) on the needle bar, and to
the needle. Insert it into the needle ear from the
front side to the rear side.
18, To catch lower thread
Hold the end part of upper thread by left hand;
turn the pulley
wheel slowly by right hand. The
upper thread was being took up and lead the
lower thread out. Make them coordinative, then
pass them through the underside of presser foot,
put them behind
th,'e position of needle. Put some '------..-. _____ _.
materials under presser foot before start sewing. F1g.8
The take up level must at its highest position when start and end th~ sewing.
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19, The st i tch length and backstit ch adjustment (Fig .9iFig.10)
1) The stitch length can be ad ju sted by turning the knob (4) provided on the column
of the machine arm, from O to 5mm. By turning it in the sense of the arrow "A", you
in crease the stitch length. By turning it in the sense of the arrow "B", you d_ecrease it.
2) Depress the backstitch hand lever ( 1) can proceed backstitch.
3) Depress the backst itch button as shown in Fig.10 can proceed backstitch.
Fig.9 Fig.10
Ba ckstitch
button
20, The stitch width adjustm ent (Fig.9)
Before adjustment of the stitch width, the machine must be stopped and the needle
outside the sewn work. Release the locking spanner (2) (anticlockwise) and then
ad just s ti tch width through the spanner (3). By displacing the lever to the right ca n
increa
se the zigzag stitch width. By displacing it to the l eft can decrease i t. L ock th e
locking spanner (2) after the adju~tment is well.
21 , The thread tension adjustm ent (Fig.11 , 12, 14)
The tension of upper and the lower thread must be
in terrel ated that the stitch forming and l:he sewn m ateria l.
(Fig .1 2)
1) To adjust the upper thread tension according to the
lower thread tension. Turn the tension adjustive nut in
clo
ckwise to increase the tension, or inversely, to
decrease it.
2) To adjust the lower threa d tension by turning adjust ive
screwA in Fig.14.
3) It can adjust the take up spring to adjust upper thread
tension for special sewn material and thread.
X X
Tighten
Tension
adjustive
nut
Fig .11
Balance tem;i or-
Tight upper thread tension Tight lower thread tension
::r loose lower thread tens
io n or lo ose upper thread te.nsion
Fig.12
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22, The thread take up sprfng tension
adjustment(Fig.13}
Loosen thread tension assembly screw {1 ), take away
the thread tension assembly from machine to adjust
take up spring (4). Firstly loosen
tl1e screw (2) of
bushing (3), and then adju·st the angle position of
lever (5). Turn it to left can increase the elasticity of
spring, or inversely, to
decrease it. &
I
~mr~
1 2 3 4 5
Fig.13
23, The presser foot pressure adjustment {Fig.15)
1) To adjust the presser foot pressure according to the
sewn material.
2) Adjustment as shown in Fig.15.
Big
Tension adjustive
spring plate
Fig.14
Fig.15
3) The pressure of sewing must to be adjusted as its min. value. But at same time, the
pressure
of pressure foot must be sufficient to ensure reliable and continuous feeding
even at the top speed.
. .
24, The gap between hook assembly and needle adjustment(Fig.16)
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 of needle
hole should be lower 1.6mm ti
1an hook top. The hoc;>k top position should be ac::ordant
with
the centerline of needle and the gap from hook top to needle slot bottom should be
0.05mm.
I 0. 05mm
Fig.16
25, The feed dog height adjustment (Fig.17)
The height of feed dog should be higher 1.0mm than needle plate. It is the standard for
leaving factory. The height
of feed dog can be adjusted to 0.8-1.2mm according to sewn
material.
To adjust it, turn pulley wheel to the highest position of feed dog, loosen the
screw (2) of the lifting lever (8) or: t~:s shaft (6), adjust it to the required height of the
fs9d cog and ietight~r· f-r:e scrsvi:.
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26, The feed dog obliquity adjustment(Fig.17)
The standard position of feed dog is horizontal. It can be adjusted according to sewn
material.
To adjust it, loosen the screw (1) of the feeding lever (9) on the shaft (7),
adjust the rear part of feed dog by correspondingly adjusting the position of eccentric
pin (5), adjust it to the required height 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. At the same time, the f)eedle should be in the center ofthe needle
plate slot both longitudinally and transversely.
1) The needle punches longitudinally into the center of the n9edle plate slot position
adjustment (Fig.18)
Screw out the two screws of the panel, loosen the securing screws
(1) and (2), and
finely adjust the position of the screw (3) both on the·front and on the rear side of the
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
s·pace
between them in order not to obstruct the
transverse movement of the needle bar bracket
required for stitch.
2) The needle punches transversely into the center
of the needle plate slot position adjustment (Fig.19)
Adjust the stitch to the zero width and turn the
pulley wheel until the needle reaches its bottom
position. Screw out two screws (2) of stitch width
indicating dial
(.1) and take away the dial (1).
Loosen slide block screw(3), adjust the needle
punches position through moving the slide block
up and down. Retighten the screws (3) and mount
the dial after the adju~tment
is well.
-8-
Fig.18
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5
4
0 5
Fig.19
28 , The needle base point offset adjustment(Fig.19)
It needs to adjust the needle base point offs et if the stitch forming doesn't the straight
line when straight
sew ing. The adjustive method as below:
1) Turn the stitch width to zero.
--- -----~ - ----..
2) Screw out two sc rews (2) of stitch width indicating
scale
(1 ) and take away the dial (1), lo osen the
turntable screw (5).
3) To adjust the n ee dl e base point offset by turni ng the
turntable (6).
4)
Re tighten the turntable screw and mount the dial
after the adjustment is well.
29, Install sy.nchronous belt(Fig.20)
Remount the sync hr onous belt according to
followi
ng method:
F ig.20
1)Turn pulley wheel to the highest position
of feed dog.
A- ---- ~
B
C
2)Lean the machine head backwa rd . Turn th e
synchronous pulley
of lower shaft, amount t he
belt when the first sc rew A face downwardly Fig.21
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
rd ant on height (Fig.21) wit h needle plate top s ur face. It is the stand ard
syn ch ronous relationship. Adjustive method
as
be low:
1) Orientation of lifting feed dog cam: Lean
the machine head backward, Loosen
sc rew(5),
press lifting feed cam (6), turn pulley lightl
y,
re tighten the screw (5) when the angle becomes
90 ° between the orientation mark point of lifting
feed cam with
the groove of feed cam (7).
2) Loosen the synchronous pulley screw
of lower
shaft, turn the pulley in machine rotation direc tion
ti ll the need lepoint move downward to tou ch the top Fi g.2 2
Lower shaft
surface of needle piste. Then turn lower shaf t in machine rotation direction, retighten.
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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
block screw
(1 ). At same time, press backstitch pin (3) of
backstitch connection shaft (2) in order to avoid it fall off
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
adjustment is well.
5
4-
3 -~21H!~jil--.---lll-
2 ---b~~~ _:__..,uj,,..h,
Fig.23
32, The position between hook and opener motion adjustment(Fig.23)
1)Lean the machine head backward, screw out the bottom cover screw (1) of hook
saddle, open bottom cover (2).
2)Put the needle bar to its lowest position.
3)Loosen thread finger cam screw (3), adjust thread finger cam
(4)~ make thread finger
site on the nearest position of hook, and then retighten thread finger cam screw.
4)Loosen hook
opener screw (5), adjust the distance between thread finger and hook
is 0.3-0.4mm.
33, The thread trimming device adjustment(Fig.24)
Thread trimming
electromagnetic
5mm
\
\.-----._...M.
Thread trimming lever
Nut
\
\
\
\
\
\
. \
\
Nut
~\
~ Thread trimming
rod (left)
Fig.24
1)djustment ofthread trimming electromagnetic stroke
A.The standard stroke is 5.0mm.
Stopper block
ScrewA
Thread release
crank
Screw B
Thread trimming
drive crank
Thread trimming
drive crank pin
B.To adjust thread trimming electromagnetic stroke through to adjust the screwA of
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stopper block.
2)Adjustment
of thread trimming cam
A. Turn pulley till the needle to its lowest position.
B. Press the thread trimming drive crank, put the thread trimming drive crank pin into
groove ofthread trimming cam.
C. Turn pulley, adjust thread trimming cam till the movable knife start to move and the
take up lever start to lift from its lowest position.
3)Adjustment
of gap between thread trimming drive crank pin and thre~d trimming
cam (Fig.25)
A. Turn pulley till the needle to its lowest
po.sition.
B. Loosen screw C ofthread trimming
drive crank, put the thread trimming drive
crank
pin into groove
of thread trimming cam.
C. Adjust the distance between the
surface
of thread trimming drive crank
pin with the bottom
of thread trimming
cam groove is 0.5mm, retighten screwC
ofThread trimming drive crank.
4)Adjustment
of movable knife position (Fig.26)
A. Loosen two nuts of thread trimming rod
(left). .
B. To ·adjust the thread trimming rod (left),
make the distance between the acclivitous
forepart surface
of movable knife.with the
forepart
of fixed knife is 0-0.Smm, then
retighten nut.
1
0.5mm ~
' ScrewO
......,.,.-·......_.~ Thread trimming -$-
drive crank Thread
Screw C Screw
8
release crank
Fig.25
Thread trimming ·
pressure adjustive nut 0-0. 5mm
Slide plate Movable knife Fixed knife
Fig.26
5)Adjustment of pressure of movable knife and fixed knife (Fig.26)
A. Turn the thread trimming pressure adjustive nut ofslide plate to adjust the mesh
power
of movable knife and fixed knife.
B. To confirm the thread trimming whether is sharp by moving the movable knife after
ending adjustment. .
To observe: The more mesh power will bring large operation moment and failure
trimming, so it should to be adjusted to its minimum.
6)Adjustment
of releasing gap of thread tension disc (Fig.25)
A. Turn pulley till the needle to its lowest position.
B
.. Press the thread trimming drive crank, put the thread trimming drive crank pin into
groove ofthread trimming cam.
C. Turn pulley till the take up lever to its lowest position. Here the releasing gap of thread
tension disc should be its maximal.
D. The ringent degree can ~e adjusted through thread release crank and rel(:3.ase soft-
shaft connection. During adjustment, loosen the screw D
of release soft-shaft connection
and shrink the flexible
wire.-.
-11 -
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A, Arm bed and its accessories
29
28
21
(20)
'
26
(2)--__;~~~~~
25
22---- ,:-:: .. ,,::~---····· .......... _ .
. .
.,
·· .... · ,··... ········... ~-·~ · ..
23~ · . • ,,r~.::~~- _·. · .. '"
~-- ··~ ~~ ...... · ...
24- ... ~ .. _, . ~ -. ·· ...
(12)~ '•, · · •. <e,(J)·~ . ·. •:-~-~
··.~~ ·.
· ... ~~.
-12 -
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A,
Arm bed and its accessories
No. PartNo.
Name
Qty.
Remark
GG0028-I
GG0028-1D
A0l
7.02.11.059 Thread take
up lever guard cover 1 1
A02 7.02.15.388 Thread take
up lever guard cover screw
12
10 M4X8
A03 7.02.16.-058 Plastic
plug
5 4
A04 7.02.16.032 Felt 1 I
~-~ --
A0S 7.02.11.060 Top
cover
1 1
A06 7.02.16.078 Aluminium oil spite I l
A07
Nut
1 1
JII.
A08 7.02.14.031 Thread guide lever(upper) 1 1
A09 7.02.14.032 Winder
thread clip small assy. 1 1
AI0 7.02.15.393 Round
cover screw I I
M3X12
All 7.02.11.063 Round
cover
I 1
Al2 7.02.15.006 Winder fixed screw 3 3
M4X8
Al3
7.02.15.391 Thread
guide lever (middle) screw I 1
M4X5
Al4
7.02.14.029 Thread guide lever (middle) 1 1
Al5
7.02.15.392 Thread
guide plate screw 1 1
M3X6
Al6 7.02.18.070 Screw
washer
1
~
GB/T97.1 3
A17 7.02.14.028 Thread
guide plate 1 1
Al8
7.02.14.027 Thread guide plate 1 1
Al9
7.02.14.025 Thread guide lever(lower) 1 1
A20 7.02.15.390 Lower thread guide platcfscrew 3 3
M3X8
A21 7.02.14.026
Lower thread guide plate 1 1
A22 7.02.01.044 Winder assy. 1 1
A23 7.02.10.088 Release
pin
1 I
A24 7.02.01.038 Thread tension assy. 1 I
A25 7.02.02.085 Slide plate 1
A26
7.02.02.086 Needle plate 1 I
A27 7.02.11.062 Felt splint 1 1
A28 7.02.15.389 Panel
screw
2 2 M5X14
A29 7.02.l1.061 Panel 1 l
A30 7.01.02.013 Machine frame 1 I
-#; A07 to be ordered with A08
...__...._ ____ ---,1~--------------'---···---'----------
-13-
From the Library of Superior Sewing Machine & Supply LLC

B, Arm shaft and needle bar thread take up parts
11
12
13----.J
14----lil-.A
l 6------11
33
35 36 37 38
44 45 46
17
- 14-
49 (32) 50 51
From the Library of Superior Sewing Machine & Supply LLC

B. Arm shaft and needle bar thread take up parts
No. PartNo.
Name
Qty. Remark
GG0028-l
GG0028-1D
BO!
7.02.10.091
Thread take up lever support stud
I 1
B02
7.02.15.411
Thread take up lever support stud screw
I 1
M6(0.75)X8
B03 7.02.05.066
Thread take up lever assy.
I 1
B04 7.02.06.036
Libra crank
I I
B05
7.02.04.025
Bearing
2 2
HK.0810
B06 • 7.02.05.067
Needle bar link rod
I 1
B07 7.02.15.395
Libra crank screw
I 1
M6(0.75)X7.5
B08
7.02.15.413
Thread take up crank screw
1 l
9/64(40)X 5.S(left)
B09 7.02.15.408
Needle bar joint screw
I I
M4X8
BIO
7.02.02.088
Needle bar joint 1 I
B11
7.02.03.071
Needle bar
1 I
B12 7.02.15.409
Needle clamp shaft screw
1 I
M2.SX5
B13
7.02. lO.090
Needle clamp shaft I 1
B14 7.02.15.412
Screw
I 1
M3X5.8
B15 7.02.14.030
Needle clamp washer
1 I
B16 7.02.21.140
Needle
1 I 19•
B17 7.02.16.219
Needle bar joint oil wick
1 1
!l>2X25mm
~~
~ ~-
B18 7.02.05.065
Needle bar connection holder
1 1
B19 7.02.15.056
Needle bar connection bracket tighten screw
I I
M5X5
B20 7.02.15.400
Needle bar connecti9n bracket screw (back)
1 l M4Xl2
B21
7.02.15.401
Needle bar connection bracket screw (left) I 1
M6(0.7S)X30
B22 7.02.15.037
Needle bar connection bracket shaft screw
1 l
M3X6
B23
7.02.15.404
Needle bar connection bracket screw (front)
I 1 M4Xl6
B24 7.02.15.403
Needle bar connection bracket screw (right)
1 1
M6(0. 75) X 11
B25 7.02.10.089
Needle bar connection bracket shaft
1 1
B26 7.02.05.064
Needle bar connection bracket
1 I
B27 7.02.15.396
Tighten screw
1 I
MSXJO
B28 7.02.15.397
Needle bar crank tighten screw
1 1
M6(0.7S)X 15
B29 7.02.16.035
Needle bar crank
I I
B30 7.02.15.398
Needle bar crank orientation screw
1 I
M6(0.75)X 17.5
B31 7.02.16.090
Felt
I I
B32 7.02.15.399
Arm shaft bushing screw
I 1 M6Xl4
B33 7.02.04.024
Arm shaft bearing
2 2
6003
B34 7.02.08.095
Arm shaft bushing
I 1
B35 7.02.07.059
Winder drive pulley
I 1
I
B36
7.02.17.094
Replacement spring I I
!
33,
7.02.09.032
\\-:nder drive pulley. epllar 1 I
l
-15-
From the Library of Superior Sewing Machine & Supply LLC

B, Arm shaft and needle bar thread take up parts
No. PartNo. Name Qty. Remark
GG0028-l
GG0028-1D
B38
7.02.15.407 Drive pulley orientation screw 1
~
M6(0.75)X7
B39 7.02.15.428 Collar screw 3 3 M6(0.75)XS
B40
7.02.08.102
Arm shaft bearing collar 1 I
B41
7.02.07.051 Vibrating needle drive gear 1 1
B42 7.02.15.126 Small gear screw 3 3 l/4(40)X7
B43 7.02.03.070 Arm shaft 1 1
B44 7.02.07.053 Synchronous pulley (upper) 1 1
B45
7.02.15.431 Synchronous pulley screw 2
~
M6(0.7S)X 10
B46
7.02.18.076 Elasticity stop
ring 1 1
GB/T893.1-1986-62
B47
7.02.18.078 Elasticity stop ring 1 1
GB/T894.l-1986-30
B48
7.02.04.027 Arm shaft bearing(right) 1 1
6206
B49 7.02.07.054 Pulley 1 l
BSO
7.02.11.064 Pulley cover 1 1
BSl 7.02.15.432 Pulley cover
screw
3 3
M3X8
'
-16-
From the Library of Superior Sewing Machine & Supply LLC

C, Needle bar vibrating parts
26 27 28
I I
1 2 3
\J~
4----f
10 1!-· --·12
-. 17 -
fl
II
;J---30
&J--31
From the Library of Superior Sewing Machine & Supply LLC