HIGHLEAD GC2698-1 User manual
HIGH
LEAD
Purchasing
Dept
Copy
GC2698-1/GC2698-1B
CYLINDER-BED UNISON
FEED
SEWING
MACHINE
Instruction Manual
Parts
Catalog
SHANGHAI
HUIGONG
N0.3
SEWING MACHINE FACTORY
From the library of: Superior Sewing Machine & Supply LLC
----~
From the library of: Superior Sewing Machine & Supply LLC
The Machine Conforms to the Following European Regulations:
EN60204-31:
19.96-.
98/37/EC-. DIN5310-. DIN5318-. 73/23/EEC
(93/68/EEC)
CONTENTS
INSTRUCTION
MANUAL
1, SAFETY .......................................................................................................................................................... 1
1)
GENERAL SAFETY TIPS ............................................................................................................................... 1
2)
IMPORTANT POINTS FOR THE EMPLOYER............................................................................................. 1
3)
SERVICE AND TECHNICAL PERSONNEL ................................................................................................ 1
4)
DANGER TIPS ...............................................................................................................................................2
2,
TESTING, TRANSPORT& STORAGE..........................................................................................................3
1)
TIPS ON TESTING ........................................................................................................................................3
2)
TRANSPORT WITHIN THE CUSTOMER SITE ...........................................................................................3
3)
STORAGE ........................................................................................................................................................3
3,
INSTALLATION & FIRST OPERATION .......................................................................................................3
1)
ASSEMBLING THE BOBBIN STANDS ........................................................................................................3
2)
FIRST OPERATION........................................................:................................................................................3
4,
SPECIFICATIONS ...........................................................................................................................................3
5,
PREPARATION................................................................................................................................................4
1)
ATTACHING THE NEEDLE...........................................................................................................................4
2)
WINDING THE LOWERTHREAD, REGULATING THE TENSION OF THE THREAD ..........................4
3)
TAKING OUT THE BOBBIN CAPSULE.......................................................................................................5
4)
ROUTING THE UPPER THREAD .................................................................................................................6
5)
REGULATING THE TENSION OF THE THREAD.......................................................................................6
6,
STITCH LENGTH ADJUSTING LEVER I REVERSE SEWING..................................................................7
7,
MAINTENANCE & CARE..............................................................................................................................7
1)
MAINTENANCE AND CARE INTERVALS ..................................................................................................7
2)
CLEANING......................................................................................................................................................7
3)
GENERAL OILING .........................................................................................................................................8
4)
OILING THE HEAD ......................................................................................................................................8
5)
OILING THE ROTATING HOOK...................................................................................................................8
8,
ADJUSTMENT ................................................................................................................................................8
1)
TIPS FORADJUSTMENT...............................................................................................................................8
-I-
From the library of: Superior Sewing Machine & Supply LLC
2)
ABBREVIATIONS...........................................................................................................................................9
3)
POSITION OF THE FEED DOG.....................................................................................................................9
4)
NEEDLE
HEIGHT(PRE-ADJUSTMENn
...................................................................................................10
5)
NEEDLE IN THE MIDDLE OF THE STITCHING HOLE .......................................................................... 10
6)
PRESSER FOOT, WALKING FOOTAND FEED DOG SLIDING MOVEMENT......................................
ll
7)
HOOK POSITIONER, GRAB DISTANCE AND NEEDLE HEIGHT..........................................................
11
8)
HYDRAULIC MOVEMENT OF THE WALKING FOOTAND PRESSER FOOT.....................................
12
9)
PRESSER FOOT ............................................................................................................................................
12
10) UPPER THREAD TENSION REGULATION...............................................................................................
13
11) THREAD TAKE-UP SPRING........................................................................................................................
13
12)
BOBBINWINDER
......................................................................................................................................
13
13)
ADJUSTMENT OF PRESSER PRESSURE................................................................................................
14
CATALOG
A,
ARM BED AND ITS ACCESSORIES ( 1) ................................................................................................
15
A,
ARM BED AND ITS ACCESSORIES
(2)
................................................................................................
16
B,
FEEDING AND FEED LIFTING & LOWER SHAFT MECHANISM........................................................
19
C,
ARM SHAFTMECHANISM........................................................................................................................
22
D,
STITCH REGULATOR MECHANISM........................................................................................................24
E,
PRESSER FOOT MECHANISM...................................................................................................................
26
F
'·
NEEDLE BARFEEDING MECHANISM (
1)
..........................................................................................
28
F,
NEEDLEBARFEEDINGMECHANISM
(2)
..........................................................................................29
G,
ACCESSORIES .............................................................................................................................................32
-2-
From the library of: Superior Sewing Machine & Supply LLC
1.
SAFETY
1) GENERAL SAFETYTIPS
CD
The machine should only be used after studying the accompanying instruction manual and only
by
specially instructed operating staff
@ Before bringing the machine into service read the safety tips and the instruction manual
of
the engine
manufacturer.
@ The machine may only
be
used according
to
their regulations and not without the accompanying
protective fittings. All relevant safety regulations should also
be
observed.
@ When changing sewing tools (for example needle, presser foot, needle plate and bobbin winder),when
threading
up,
when leaving the work place
as
well
as
during maintenance work the machine should
be
unplugged or switched offat the main switch.
@ Daily maintenance work should only be carried out
by
specially trained personnel.
® Repair work
as
well
as
special maintenance work should only
be
carried out
by
skilled workers or
specially trained personnel
(])
Working on the electrical equipment should only be carried out by qualified electricians.
@ Working
on
active parts and equipment are not permitted.
® Only the spare parts provided
by
us
should be used during repairs.
We
explicitly point out that the
spare parts and accessories that are not supplied
by
us
are also not tested or passed
by
us. The installation or
use
of
such products can in certain circumstances reduce the predetermined quality
of
your machine.
We
take
no
responsibility
for
damage caused
by
the use
of
non-original parts.
2)
IMPORTANT POINTS
FOR
THE
EMPLOYER
CD
This
instruction manual
is
a component
of
the machine and must always
be
at the disposal
of
the
machine operators. It
is
necessary
to
read the manual before using the machine for the first time.
@ Operation and maintenance personnel must be instructed
on
safety features
of
the machine and safe
working methods.
@
The
employer must ensure that the machine
is
only used
if
it
is
in perfect condition.
@
The
employer should make sure that only authorised persons are permitted
to
work on the machine.
@ Further information can
be
obtained from the responsible sales office.
3)
SERVICE AND
TECHNICAL
PERSONNEL
(1) Service
Personnel
Service personnel are responsible for the preparing, running and cleaning
of
the machine
as
well
as
the
elimination
of
faults in the sewing. Service personnel must observe the following points:
CD
to
follow the safety guidelines in the instruction manual
®
to
avoid any type
of
work which may reduces the safety
of
the machine
-1-
From the library of: Superior Sewing Machine & Supply LLC
@ to wear tight-fitting clothes and avoid wearingjewellery, like necklaces and rings
@ to report immediately changes in the machine which mayreduce safety to the employer.
(2) Technical
Personnel
Technical personnel are responsible for the lubrication, maintenance, repair and adjustments
to
the machine.
Technical
p"ersonnel
must observe the following points:
CD
To
follow safety guidelines in the instruction manual
® Before beginning maintenance work the main switch must
be
switched
off
and
it
must
be
ensured that it
will not be switched on again.
@ Working on active parts and equipment is not permitted.
@ After repair and maintenance work the protective covering must
be
put
back and the electric control box
must be closed.
4)
DANGER
TIPS
(Fig.l)
CD
During operation a space
of
lm
in
front
of
and behind the machine should be
maintained so that umestricted access IS
possible.
® During sewing do not reach into
the needle area! Be careful
of
the danger
of
injury from the needle.
@ During operation
do
not leave
objects lying on the table or in the needle
plate tongue. Objects can get jammed or
knocked
away.
Danger
of
injury will
result.
Fig.I
® With mechanically operated clutch motors without operation barriers, operators should wait
for
the
motor
to
stop. Danger
of
injury will result.
@
Do
not use the machine without the thread take-up cover
1!
Danger
of
injury from the movement
of
the
threaded will result.
@
Do
not use the machine without the finger guard
2!
Danger
of
injury from the outward and upward
movement
of
the needle will result.
:
(J)
Do
not use the machine without the lifting arm cap
3!
Danger
of
injury from the rotating
an:n
will result.
@
Do
not use the machine without the belt cover
4!
Danger
of
injury from the rotating belt will result.
-2-
From the library of: Superior Sewing Machine & Supply LLC
2.
TESTING,
TRANSPORT
& STORAGE
1)
TIPS ON
TESTING
The machine was tested before delivery according
to
the EN60204-3-1 editionl/86.
2)
TRANSPORT
WITHIN
THE
CUSTOMER SITE
Transport within the customer site is
not
the responsibility
of
the manufacturer.
It
should
be
ensured that
the machine
is
correctly transported.
3) STORAGE
The machine can
be
stored unused for up
to
6 months.
It
should
be
protected against dirt and moisture.
If
the machine is
to
be
stored longer the individual parts,
in
particular the sliding plates, should
be
protected
against corrosion, with an oil film for example.
3. INSTALLATION &
FIRST
OPERATION
The machine should only
be
installed and started
by
qualified technical personnel. All the relevant safety
regulations should
be
observed. Suitable electricity supply must
be
available at the installation site (see
technical data).
It
must
be
ensured that there is an even and solid ground surface
as
well
as
sufficient lighting at
the installation site.
l)ASSEMBLINGTHE
BOBBIN STANDS
Place the bobbin stands in the drill hole in the table plate and fix theminto place with the enclosed nuts.
2)
FIRST OPERATION
Before the first operation check the electric cables in case
of
any possible damage.
CD
Clean and oil the machine thoroughly
@ Allow technical specialists
to
check whether the machine's motor may
be
connected
to
the available
main supply and whether
it
is properly plugged
in.
If
there is any deviation,
do
not start the machine.
® When the machine is running the balance wheel should
be
turned towards the operator. Otherwise let
technical specialists adjust the motor.
4.
SPECIFICATIONS
Max. Sewing Speed 2200rpm
Max. Stitch Length 6mm
Thread Take-up Lever Stroke 59.55mm
Needle Bar Stroke 33.4mm
Presser Foot Stroke By Hand
lsmm
I
ByKnee
113mm
Alternating Movement
Needle -
DPX35LR
14#-16#
Rotating Hook HSH-BTR
Lubrication System Manual
Electric Machinery 1400 rpm 370W
-3-
From the library of: Superior Sewing Machine & Supply LLC
5
..
Preparation
CD
All regulations and guidelines in this manual should
be
observed,
with
special attention being paid to
safetyregulations.
® All preparation
work
may
only
be
carried out
by
specially instructed personnel. Before all preparation
work the machine should
be
disconnected from the main electricity supply
by
switching
off
the main switch or
unplugging it.
1)
ATTACHING
THE
NEEDLE (Fig.2)
The choice
of
the right needle depends on the model
of
the machine as well as the thread and material
to
be
used.
CD
Switch
off
the machine!
® Loosen needle-holding screw
® Put the needle in as far as it will go (the long needle groove should point
to
the left)
@)
Tighten needle-holding screw 1
Insert the needle until it bottoms, and
t1ghten
the screw keeping the long
groove m the needle facing to the left.
I
nsuff1cient insertion Wrong direction
Long
groove
facing to the .
left
I
=r-==-$==
Fig.2
2)
WINDING
THE
LOWER
THREAD, REGULATING
THE
TENSION
OF
THE
THREAD (Fig.3)
CD
Put an empty
bobbin
onto the bobbin shaft and thread the thread according to Fig 3
® Push the bobbin catch
in
the direction
of
the arrow
® The bobbinis filled during the progress
of
the sewing.
@)
The bobbinet stops automatically when the bobbin
is
full.
® The tension
of
the thread on the bobbin can
be
adjusted with knurl-screw
2.
-4-
From the library of: Superior Sewing Machine & Supply LLC
3) TAKING
OUT
THE
BOBBIN
CAPSULE (Fig.4)
Switch
off
the machine.
(1) Take
the
bobbin
capsule
out
CD
Lift
up
handle and take outbobbin capsule. Thread the bobbin capsule.
® Thread the bobbin according
to
Fig 4
2
® The bobbin should point
in
the direction
of
the arrow when taking up the thread.
(2) Putting
the
bobbin
capsule into place
Switch offthe machine.
CD
Pulling out
Scm
thread tail from the bobbin
Fig.3
® Hold the bobbin so that the bobbin thread
is
would in right direction and put
it
into the
hook
Fig.4
-5-
-·---~
---------------
From the library of: Superior Sewing Machine & Supply LLC
4)
ROUTJNG
THE
UPPER
THREAD
(Fig.5)
Switch
off
the machine.
Route the machine according to fig 5. The needle should
be
routed
from
the
left
(see
arrow).
5)
REGULATJNG
THE
TENSION
OF
THE
THREAD (Fig.6)
0
6~
stitch
X
Qn~
n:;er
thread
is
too
tight
or
lovverthread
is
too
loosr.
(1)
Upper
thread
tension (Fig. 7)
Regulate
the
tension
1 so
that
the
stitches tie together
in
the
sewing
mate
-6-
X
~;stoolaos<
or
lovver
threarl
is
too
tiqht
Fig.6
Fig.7
-~--
---
---------
-----
From the library of: Superior Sewing Machine & Supply LLC
(2) Lower
thread
tension (Fig. 8)
Lower thread tension can
be
adjusted
by
rotating
screw"A".
Fig.8 Fig.9
6.
STITCH
LENGTH
ADJUSTING
LEVER
I
REVERSE
SEWING
(Fig.9)
1)
Adjust length
of
stitches
by
turning the knurl nut 1
2)
Reverse Sewing
Push the knurl nut 1 up as far
as
it
will
go
(position R)
7.
MAINTENANCE &
CARE
1)
MAINTENANCE AND CARE INTERVALS
CD
Cleaning -daily, more often with constant use.
® General oiling -twice weekly.
® Oiling
of
the head -twice weekly.
@ Oiling
of
the rotating hook -daily.
2)
CLEANING
Switch
off
the machine!
CD
Clean the rotating hook and rotating hook area daily, more often with constantuse.
® Bring the needle
bar
to its highest position and remove the free arm cap.
® Take out the bobbin capsule and bobbin.
@ Unscrew capsule holder piece.
@ Take out screw and lift up the rotating hook handle.
@ Turn the balance wheel until point stands at the same height
as
rotating hookpoint .
(!) Take out the lower capsule and clean the rotating hook path with petroleum
® Put it back together
in
reverse order
of
the above. Make sure that the nose
on
the
back
of
the capsule
holder piece meshes with groove.
® Unscrew rotating hookhandle and
put
in
the bobbin capsule withbobbin.
@)
Drawback the free arm cap.
-7-
From the library of: Superior Sewing Machine & Supply LLC
3) GENERAL
OILING
(Fig.lO,
Fig.ll)
Use white spindle oil.
Oil all the bearing positions shown in Fig 10 and
11
twice weekly.
Danger ofbeing crushed between the top part and the base!
Fig.IO
4)
OILING
THE
HEAD (Fig.12)
Switch offthe machine!
CD
Take
off
the cover and oil all the bearing and sliding
positions shown in fig
12
twice weekly.
@ Then screw the cover back
on.
Use white spindle oil.
5)
OILING
THE
ROTATING
HOOK
(Fig.l3)
s.witch
off
the machine!
CD
Take the bobbin capsule out and drip one or two
drops
of
oil into the rotating hook path (fig 13) once daily.
@ Then put the bobbin capsule back
in.
8.
ADJUSTMENT
1)
TIPS
FOR
ADJUSTMENT
Fi!!.
11
Fig.13
CD
All adjustments
in
this manual apply
to
a completely assembled machine. Covers, which have
to
be
unscrewed and screwed on again for adjustment work are not mentioned in the text.
@ The screws or nuts mentioned in brackets are
to
be loosened before adjustments and tightened again
afterwards.
-8-
From the library of: Superior Sewing Machine & Supply LLC
2)
ABBREVIATIONS
UD-
Upper deadlock
LD
-Lower deadlock
3) POSITION
OF
THE
FEED
DOG
(1) Positioning
the
feed dog
at
an
angle to
the
direction
of
sewing (Fig.14)
The
feed dog 1 should
be
the same distance right and left from the needle plate.
Move the feed dog 1 (screws 2) according
to
the above rule.
(2) Positioning
the
feed dog
in
the direction
of
sewing (Fig.15 Fig16)
The feed dog 5 should keep the same distance in front and behind the needle plate when moving
backwards and forwards when adjusting the maximum stitch-length.
CD
Adjust the maximum stitch-length.
@ Push the crank 1 (screws 2)
as
far
as
possible
to
the left on the crank-area
3.
The left screw must still
be on the crank-area.
® Loosen screws 4
@ Move the feed dog 5 according
to
the rule.
® Tighten screws
4.
Fig.16
-9-
From the library of: Superior Sewing Machine & Supply LLC
4)
NEEDLE
HEIGH
(PRK·ADJUSTMENT)
(Fig.17)
When the needle
bar
is
in lower position the
distance between the needle
bar
and the needle
plate should
be
15mm.
Move needle
bar
1 (screw 2) according to the
rule above without turning it
to
the side.
5) NEEDLE
IN
THE
MIDDLE
OF
THE
STITCHING
WHOLE
(Fig.18)
With the length
of
the stitch at
'0'
the needle should
pierce exactly in the middle
of
the needle plate hole.
CD
Unscrew the presser foot 1 and the walking foot
2.
---·---
Fig.l7
@ Adjust the stitch-length
to
'0'
and bring the needle
bar
to
upper position.
® Insert a new needle, loosen screws
3,
4,
5 &
6.
@)
Bring the needle irrnnediately over the feed dog
by
turning the balance wheel.
@ Move the needle
bar
7 according
to
the rule.
® Tighten screws
3,
4 &
5.
(J)
Bring stop 8 up
to
the needle
bar
area 7 and tighten screw
6.
Note: The needle
bar
7 in guide 9 and the needle rock frame should move easily.
-10-
15mr
Fig.18
From the library of: Superior Sewing Machine & Supply LLC
6)
PRESSER FOOT,
WALKING
FOOT
AND
FEED
DOG
SLIDING
MOVEMENT
(Fig.19)
When adjusting the
maximum
stitch-length
and
when
the
needle
bar
is
in
lower
position,
walking
foot,
presser foot and feed
dog
should
make
no
movement
when
operating the lever.
CD
Adjust the
maximum
stitch length
® Loosen
screw
1 only enough so
that
the feed lifting
cam
2 turns
round
the shaft.
® Bring the needle into
lower
position
@ While retaining this position, first
push
the eccentricity
of
the feed
lifting
cam
2 upwards, observing the
above rule
when
operating the lever.
@ Tighten screws
1.
0.05-0.1
mm
3
=&~--~
=:}-~
~\-;-
--L~4
1 2 5
0 Fig.19 Fig.20
7)
HOOK
POSITIONED,
GRAB DISTANCE AND
NEEDLE
HEIGHT
(Fig. 20)
When
the stitch length is
'0'
and the position
of
the
hook
positioned is
1.8m
below
the
LD
needle
bar
then;
CD
The grab
point
should stand
at
'mid-needle'
and the distance to the needle should
be
0.05-
0.1mm
® The top edge
of
the eye
of
the needle should
be
0.8mm
below
the grab point.
I )Adjust the stitch length to
'0'
and
loosen screws 1 & 2 (screw 2 is
on
the
back
of
the machine)
II)
Bring the
needle
to
lower
position
and
push
the1.8mm
thick
measuring
plate
well
under
the
lower
needle
bar
bearing,
bring
the
screw
clip
down
to the measuringplate
and
screw
tight.
III) Remove the
measuring
plate
and
turn the
balance
wheel until the
screw
clip lies
at
the needle bar.
IV)
Push the grab onto the grab
shaft
according to
rule
CD
V)
Turn the grab according to
rule
® (adjust the needle height afterwards
if
necessary)
VI) Bring the grab
shaft
bearing
3 towards the grab
and
tighten
screw
2.
VII)
Tighten
screw
1
making
sure
that the
bevel
wheel 4 is level
with
bearing
5.
-
11-
From the library of: Superior Sewing Machine & Supply LLC
8)
HYDRAULIC
MOVEMENT
OF
THE
WALKING
FOOT
AND
PRESSER
FOOT
(Fig.21)
When the walking foot 3 is sitting
on
the needle plate the presser foot 6 and the needlepoint should reach
the needle plate at the same time in the presser foot hub.
CD
Loosen nut
1.
® Push
up
bolts 2 and tighten nut
1.
® Let the walking foot 3 rest on the needle plate.
@)
Loosen screws 4 far enough that the lifting eccentric 5 turns around.
@ Turn lifting eccentric 5 according
to
the rule
@ Tighten screws 4
([)
Do
a test run.
r-------------------·-,---------------------,
4
Fig.22
9)
PRESSER
FOOT
(Fig.22)
With the maximum presser foot adjustment and a stitch length
of
'0'
the walking foot 1 and presser foot 2
should lift 7.0mm above the needle plate when turning the balance wheel.
CD
Adjust the walking foot
to
maximum and set the stitch length at
'0'.
® Lower walking foot
1.
® Turn the balance wheel until the presser foot 2 reaches it's highest point.
@)
Turn crank 3 (screws 4) according
to
the above rule.
@
Do
a test run.
-12-
From the library of: Superior Sewing Machine & Supply LLC
10)
UPPER
THREAD
TENSION
REGULATION
(Fig.23)
When the walking foot is high the two tension plates should
be
at least 0.5mm apart.
CD
Pull the walking foot up using the hand-lever.
® Position the pressure plate 1behind the tension releasing plate 2 according
to
the above rule.
Note:
CD
The
distance
of0.5mmis
the minimummeasurement and 'Nith thick types
of
thread
it
can be over
lnnn
® Effective tension should not put a strain on the pin
3.
0.5mm
'7mlll
Fig.23 Fig.24
11)
THREAD
TAKE-UP
SPRING
(Fig.24)
The thread take-up spring should stop moving when the needlepoint pierces the
material(=
about 7mm
of
spring movement)
The length
of
the thread take-up spring can deviate slightly up or down due
to
reasons
of
sewing technique.
12) BOBBIN
WINDER
(Fig.25)
CD
When the bobbin winder is activated the spindle should also
be
activated: When the bobbin winder
is
deactivated the rubbing wheel 5 should not stand next
to
the drive wheel
® The bobbin winder should switch itself
off
when the filled quantity is still 1
mm
from the edge
of
the
bobbin.
I ) Push
the
drive
wheell
(screws 2) according
to
rule
l.
II)
Place a bobbin on the bobbinet, thread
up
the bobbin and switch on the bobbin
winder.
Ill) Tighten bolts 3 (screws 4) according
to
rule
2.
,-----------------------------··----------·-,
Fig.25
'---·----------·------------------------------'
-13-
From the library of: Superior Sewing Machine & Supply LLC
13) Adjustment
of
Presser Pressure (Fig.26)
The material should move smoothly even
at
top sewing speed. No pressure should show on the material.
Turn screw 1 according to the above rule.
1
Fig.26
-
14-
From the library of: Superior Sewing Machine & Supply LLC
A.
ARM BED AND ITS ACCESSORIES (1)
2 3 4 6 7 8 9 10
11
/ / /
/ /
1/
I / I
II / 1/
/ / I
/ I / /
' / /
1/
I I / '
I
/1~
I
~~
~~
(7)
35
/
19
20
34
33
/
22
\\
\
32
31
30
29
28
27
26
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From the library of: Superior Sewing Machine & Supply LLC
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From the library of: Superior Sewing Machine & Supply LLC
This manual suits for next models
1
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