Highlead GC24018, GC24018-1 User Manual

®

Purchasing

Copy

Dept

HIGH

LEAD

GC24018/GC24018-1

Post Bed Single(Double) Needle Lockstitch Sewing Machine

Instruction

Manual

Parts

SHANGHAI

HUIGONG

N0.3

Catalog

SEWING

MACHINE

FACTORY

1.

Safety

2.

Precautions

:3.

Precautions

4.

Place

fl.

How

6.

MountingofTheMotor·······························

7.

How

8.

How

9.

How

10.

How

11.

How

12.

Selection

13.

How

14.

How

15.

How

16.

How

17.

18.

Starting

19.

20. AdjiistJuent

21.

22.

Adjustment

Precautions······································································································

before

of

Installation

to

Mount The Machine Head

to

Connect

to

Mount The

to

Mount and

to

Mount The

to

Mount The

of

to

Att·ach The

to

Lead The Upper

to

Wind

to

Adjust

How

to

Place

to

Sewing Over·

oi"

Reverse

stitching

for

Sewing·······

of

Starting

Operating

The

Motor

Bobbin

Adjust

Oil

Vibration

Pan

Operation···········································································

Conditions··································

of

Machine·················································································

Lever

Winder Assembly

The Knee

.............................................................................................

Preventing

Thread··················

Needle···

..........................................................................................

Thread······

the

Lower

The Bobbin

the

Thread

Bobbin

Winder

into

...............................................................................................

..............................................

Stitch

Length·

......................................................................................

...................................................................................................

Thread

Tension

...................................................

---

onto

and

CONTENT

The

Table

..

······················

Foot

Pedal"·························

---

..

·······································

...............................................................

..

··································

....................................

........................................................................

Lifter

Mechanism

Rubber

...............................................................

.........................................................

.................................................................................

on The Bobbin

Assembly

The Hook

..................................................................

.....................................................................

........................................................................

·

..........................

··

................................

···

..............................

..

······

2 2 2

2

3

3 3

4

5

6

7

8

9

10 10 10 10

23.

Tension

24.

Tension

2;=J.

AdJIIstuiPnt

2fi.

Proper

27.

Proper

28.

Proper

29.

Cleaning

A.

ARM

B.

THREAD

C

NEL:DLE

D.

l:PPEI\

E.

ST

JCH

F.

PRESSER

G.

LOWER

H.

HOOK

I.

OTL

.J.

ACCESSOI\1

of

Upper

Thread···

of

Lower

Thread

of

Feed Timing Between Timing Between Hook

Timing

BED

between

and

Lubrication·········

AND

ITS ACCESSORIES

TENSION

BAR

AND

TAKE-UP

SH,orr

AND

VERTICAL

REGULATOR

FOOT

ANb

KNEE

SHAFT

AND

FEED

SADDLE

LUBRlCr\TION

MECHANISM

MECHANISM··········

[S .. · .. · .. · .. · .. · .. · · .. ·

.....................

···

....

,.···

............

······

......

···

.............................................................................................

Dog

Height

Hook

Feed

and and

Dog

and

Pressure Needle Opener

and

of

Presser

on

Materials

........................................................................

Needle"""

............................................................

.................................................................................

..............................................................................

REGULATOR

LEVER

SHAFT

MECHANISM

LIFTER

ROCK

SHAFT

...................................................

MECHANISM

............................................................

..........................................

....................................

·

.................................................................................

MECHANISM

MECHANISM·

...............................................

....

· ·

.... · ........ · ...... · ....

..................................

.....................................

·

........

· .. · .. · .. · · .. ·

........

·

.......... · ................ · ......

···

· · · · .. ·

.........

······

......

···

..............................

·

.............................

................................

·

..............................

....

· .. · .. · .. · .. · .. · .. · .. ·

......

11 12

13

14

17

18 19

20

22 24

26

29

31

34

37

40

42

-1-

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 balance wheel.

be

(2) Power must (3) Power must be turned

the machine, or when replacing.

( 4) Avoid placing fingers, hairs, bars etc., near the balance wheel,

turned off when the machine is not in use, or when the operator leaves the seat.

off

when tilting the machine head; installing or removing the

"V"

belt, adjusting

"V"

belt, bobbin winder balance wheel,

or motor when the machine is in

(5)

Do

not insert fingers into the thread take-up cover, under/around the needle, or balance wheel when the

machine is in operation.

(

6)

If

a belt cover, finger guard, eye guard are installed,

devices.

2.

Precautions before Starting Operation:

(1)

If

the machine's oil pan has an oil sump, never operate the machine before filling

(2)

If

the machine is lubricated

(3) When a new sewing machine is first turned on, verify the rotational direction

on.

the power wheel)

4)

Verify the voltage and (single or three) phase with those given on the machine nameplate.

(

3.

Precautions for Operating Conditions:

(

1)

Avoid using the machine at abnormally high temperature ( 3 5

(The balance wheel should rotate counter-clockwise

OP.eration.

do

not operate the machine without these safety

by

a drop oiler, never operate the machine

OC

or

before

when

higher)

it.

lubricating.

of

the balance wheel with

viewed from the balance

or low temperature ( 5

OC

or

lower) .

(2) Avoid using the machine in dusty conditions.

4.

Place

The machine should

high speed without vibration.

5.

How

onto The Table

Install the hinge with screws, provided in accessory, at hole on the back of

the table, then the head

of

Installation

be

to

Mount The Machine Head

of

Machine

installed on well-leveled floor in order

(Fig.l)

of

the bed and hook to the hinge plate

is

set on the table.

-2-

to

ensure

Hinge

smooth

plate

operaing

of

your machine at

Hinge

6.

Mounting

of

The Motor (Fig.2)

The motor washers as provided. pulley and the balance wheel grooves are aligned straight

as

shown in Fig. inserted. Then connect power supply cord and motor cord extened from switch

7. How

The angle

It

can make a difference in the strength necessary

the pedal. There might

posture, but generally 3

(l)

Fig.3

in Fig.3 (2) will be difficult. In this case, adjust the length

of

the conncting rod

is

mounted generally with bolts, nuts, and

Set the position so that the motor

2.

For proper operation when the belt is

to

Connect The Motor Lever and Foot Pedal (Fig.3)

of

the slope

is

considered best. The treadle position shown

of

the pedal can

be

a slight difference in operator's

0 o ~ 40 o angle as shown in

to

suit the operator.

be

important.

to

press

~ ~

x(2)

~

8.

How

to

Mount The Bobbin Winder

Assembly (Fig.4)

Set

the position

in

provided the table, with the lever pushed in operation position. When bobbin winder pulley will come in contact with the belt, the assembly onto the table with two screws provided.

9.

How

accessory,

to

Mount and Adjust The Knee

of

the bobbin winder assembly

to

be

in

parallel with the belt hole

fix

Lifter Mechanism

(I)

Place

of

mounting (Fig. 5)

Make a hole for knee lifter shaft bracket underneath

to

hole

for

as

Fig.5 shown.

spring towards your side. of

the knee lifter shaft bradket

able

to

insert the knee lifter shaft

9,

knee

the table according

to

(2) How

l)

2)

3) On the knee lifter shaft, mount the knee lifter

Mount (Fig.6)

Mount the knee lifter shaft bracket l while the

of

side The other side screwed so

7.

position bracket 3, regulating rod bracket

of

is

Knee

Shaft

I i

mountin

\

center

fter

shaft

lace

bracket

Table

top

4

plate

-3-

plate bar bracket

4)

Mount the knee lifter shaft respecytive parts, on the shaft bracket

5)

After checking the knee lifter shaft, tighten the shaft bracket screws.

6)

The shorter side on the bar bracket mounted on the knee plate

7)

The end shaft bracket (front)

8)

The other end plate bar moving

9)

After mounting all these parts, check whether the knee lifter mechanism can be operated lightly.

(3) Adjustment (Fig.7)

1)

Place position bracket makes standardize the starting point

proper position so that the stopper bracket come contact with top underneath shaft bracket (back).

2)

Position rod and its bracket. The regulating rod 3 makes raise and down the presser foot by means moving the bell crank lever 1 While the presser foot downed adjust the length

A loosening the regulating rod screw so that the rod and crank lever contacts with Fig7.

of

spring

of

knee lifter position bracket. Since the

of

knee plate, tighten the screw at the

of

the knee lifter bell crank regulating

2,

and spring 4 in the order mentioned, and then tighten respectively.

7,

on which fixed

1.

up

all the parts and inclination

of

knee plate bar 6

2,

and longer side

5.

is

inserted into a hole

1.

of

spring

it.

is

placed on the knee

is

of

up

and down.

as

shown

of

mounted

the bar

of

the

position

of

the

of

in

is

2

6

7

A

13mm

10. How

Fit the oil pan with nails into the hole bored in the table mechanism

11.

How

The vibration preventing rubber 1 smooth operation Fig.

8.

1)

(

to

give smooth surface

(2) Nail the vibration preventing rubbers down at the

to

Mount The Oil Pan

so

as

not

to

come into contact with the knee lifter

to

Mount The Vibration Preventing Rubber (Fig.8)

of

the machine. Fit these rubber insulators properly at the four corners

Remember, the machine will vibrate

Hollow out four corners

to

"A" where hollow out

of

the table

is

used

to

prevent the machine from vibrating and there

if

these are not mounted properly. 20

mm

is

made.

radius and

four

13

corners.

mm

depth to fit

-4-

by

of

the table

the

rubber insulators. Be sure

as

8

provide

shown in

12. Selection

of

Thread (Fig.9)

For nest results, use high quality machine thread. For

use

upper thread

is

thread

left-twist or right-twist, hold the thread shown in Fig.9, toward your side.

is

thread the thread

right-twist, and

is

left-twist.

left-twist thread.

and

twist the thread held in the right hand

If

the thread twist becomes loose, the

if

the thread twist becomes tight

To

check whether a

as

9

13. How

(1) For one

1)

While the presser bar lifter balance wheel by hand its highest position.

2)

Move the roller foot 1 Fig

3)

Loosen

4)

Hold the needle side (left). Then insert the needle will

5)

Securely tighten the needle clamping screw

(2)

For

two

to

Attach The Needle

needle

type

(Fig.

to

10.

the

needle clamping screw

to

its side with the long groove

go

into

the

needle clamping hole.

needle

type

(Fig.

10)

is

raised, turn the

raise the needle bar

the left

as

shown in

2.

as

deeply

as

2.

II)

to

it

r

0

:::l

(l'q

....

0 0

<

CP

a..

(f)

-·

a..

CP

CP·

-h

c:.

0

:::l

(")

Ql

<

CP

(f)

a..

CP

,...._

....

(l'q

-::;-

c+

~

10

1)

2)

3)

4)

5)

Caution:

loops

may

While the presser bar lifter

balance wheel by hand

its

highest position.

Move the roller foot

to

raise

is

raised, turn the

the

the left

needle bar

as

shown in

to

Fig.11.

Loosen the needle clamping screw.

Hold the needles so that the two needles side

to

with the long grooved (face

as

deeply

it

as

it will

face), and insert

go

into the needle clamping hole Securely tighten the needle clamping

When

using

be formed

nylon

or

improperly

silk

or

threads,

stitch

screw.

the

skipping

-s-

r

0

:::l

(l'q

....

0

<

CP

a..

CP

~

Ql

(")

CP

c+

0

-h

Ql

(")

CP

~

11

may

result

this

case,

mount

the

would be

due

to

observe

needle.

positioned

the

In

a manner

twist

concli

in

of

tion

that

a

these

of

the

slightly

threads.

loops

needle

oblique

In

and

hole

Needle

sectional

-·~-

'<:5

Usual

thread

plan

-./S:A

'<:51~--

Nylong

Silk

thread

direction.

14.

How

(1)

For

l)

position turning the balance wheel

2)

3) pass the needle from the left

(Fig.

12)

to

Lead The Upper Thread

one

needle

Raise the thread take-up lever

After the presser bar lifter roller foot arrow shown in Fig.l3. Thread

(Fig.l4)

type

(Fig.

13)

is

to

the left holding downward

in

the order from

CD

raised, move the

to

to by

®,

to

its highest

hand.

as

per

and then

the right.

Roller

foot

(L8, R8)

(L4)

~\

(L3') (L2')

(L3) (L2)

(L1) (Rl)

13

(2)

~~~~--CJ)

PJI-.----@

r-------®

For

two

needle

l)

Raise the thread take-up lever position turning the balance wheel by hand.

2)

In

case

of

needle type did-move the roller foot

3)

Thread in the following order (left):

L3,

L3',

4)

Thread R3.

R4.

5)

Thread from

type

(Fig.

15)

the roller foot, it

L4, L5,

in

R5,

6,

7,

the following order (right)

6,

7,

RS,

the

inside

LS,

7,

to

9,

is

same order

7,

9,

LlO,

RIO,

outside.

to

Ll,

Lll.

Rll.

14

its highest

as

one

the left.

L2,

L2',

Rl,

R2,

-6-

(R2) (R3)

(R4)

(L5,

R5)

(6)

(7)

(9)

(L10,R10) (L 11) (R11)

15

(2)

For

two

needle type (Fig.22,

1)

Raise the needle bar turning the balance wheel

2)

In the event move

it

to

the left

of

23,

24)

to

its highest position

by

hand.

the roller foot 1

as

shown in Fig.22.

3) Move the both slide plate.

4)

Turn

up

the both

of

the latch lever2

Fig.22

5) Pull out the bobbin thread for about 5 hold the bobbin.

6) Fit the bobbin into the both hook base.

7) Flap down the both latch lever 2

8)

Insert the pulled thread end through slit 5

hook

9) From the slit 5 through underneath

left thread

of

the hook, pass the thread

of

the hook

to

the left and the right thread

right diagonally and the thread will pass

through the tension spring 6

1

0) Leave the end tension spring 6

of

the thread inserted through the

as

it

11) While holding the end

as

shown

is.

of

two upper thread left hand, turn the balance wheel slowly once around by right hand.

12)

Then the two upper thread will hook out pulling the lower thread simultaneously through the hole

of

needle plate, and leave the lower thread

to

the other side

of

the needle plate

Fig.24

13) After placing the bobbin, close the both slide plate.

as

it was.

body

is

attached,

as

shown in

em,

4,

pull the

in

Fig.23.

as

and

of

the

to

the

by

shown

of

the

Thread

23

24

18. Starting

(1)

Raise

(2)

Move

as

shown

(3)

Place

stitching

(4) Turn

side

so

(5) Lower

sew.

Caution:

upper

thread

in

under

that

to

Sewing (Fig.25)

the

presser

back

the

roller

Fig.

25

by

the

starting

the

balance the the

When

pulled

the

end

needles.

wheel

needle

presser

starting

out

bar

foot arrow. of

by

stitches

bar

lifter

to

by

approx.

lifter.

toward

the

materials

hand

the

sewing,

your

toward

materials.

and

start

leave

10

em

in

side

for

your

to

the

length

so

that

-9-

it

will

not

pull

out

form

needle.

19.

Sewing Over (Fig.26)

(1)

Stop

to

its

highest

(2)

Raise

foot.

(3)

Pull

to

the

left

(4)

Cut

Caution: approx. convenient

10

sewing

out

side.

both

When

ern

for

position.

the

presser

the

upper

cutting

length

you.

when

the

stitched

and

so

that

take-up

(roller

fabrics

lower

the

thread

starting

lever

or

ordinary)

diagonally

leave

comes '

out

sew

is

26

20. Adjustment

Stitch pushed on

the length pin

of

length.

length

and

the

stitch-regulating

in

rnrn.

the

arm,

of

Stitch Length (Fig.27)

can

be

stitch-regulating

When

the

dial

it

will

give

adjusted

dial

number

your

21. Reverse stitching (Fig.27)

Reverse pushing lever 4 is ca.n

he made.

22. Adjustment

The

type

stitch

If

the

balanced,

middle

like

stitches A as upper loose,

and

Cas t.hrPad t

lw

tipper

the

thread

of

rna

length.

upper

of

or

lower

it

shown

tension

stitching

reverse

pressed

tension

terials

So

and

the

two

the

fabrics

thread

will

give

in

thrt->ad

can

be

operated

of

adjust

lower

thread

shown

Fig.

is

tension

lever

downward,

to

imperfect

too

4 downward.

reverse

Thread Tension (Fig.28)

varies

be sewn,

the thread

will

to

in

tension

28.

Fig.

tight,

according

tension

tens

link

provide

Fig.

28.

is

too

stitches

28 B shows

and

is

too

with

dial

3.

3

indicate

is

set

desired

by

means While stitching

thread

acccordingly. ion

are

together

perfect

If,

either

tight,

such the

Fig.

28 C shows

loose.

lever

Figures

the

on

the

stitch

the

to

the

and

the

well

in

the

chain

the

or

too

as

upper

of

B

OA

't

.,.

______

I

c;··-----

-------

_

27

28

-IO-

23. Tension

of

Upper

Thread

Adjustment

ach1eved

by

the regulator,

of

the thread take-up spring.

(1) For one needle type: Pressure

of

the upper thread tension can be

changing the pressure

as

well

as

the strength and operating range

of

the tension discs

of

the thread tension

of

discs. For general fabric stitching, the desired tension can

just

by

be obtained

To

discs. To To

tighten, turn the thread tension nut

loosen, turn

to

tighten the pressure thread tension nut tension nut

(2) Strength strength to

be stitched.

Standard

Light

Heavy

to

the left (Fig.30).

of

the take-up spring according

materials materials materials

adjusting the pressure

the left (Fig.29). For two needle type:

of

thread tension discs,

1 to the right.

the thread take-up spring. Adjust the

...............

··················Approx. ...

···············Approx.

of

the tension

to

To

loosen, turn the

to

the materials

Approx. 25g

the right.

turn

the

20g 30g

29

How

Lt>ave faceplate. tellston

screw

drive

stud

to

screw

and

to

adjust

the

presser

Loosen

regulator

into

the

left

put

(one

the

to

the

bar

l i

the

small

needle

groove

strengthen,

faceplate

ft.er

screw

of

back

down.

type)

the

and

Remove

2, 6 inside

or

of

the

thread

to

on.

the

(Fig.

tension

right

the

of

thread

stud

to

31, 32)

the

faceplate

tension

3,

slacken.

or

thread

After

as

controller

adjusting,

shown

of

(two

the

needle

stud

tighten

upper

type).

5,

the

thread

and

30

Fit

turn

small

-

11-

(3) The operating range can

is

take-up lever

is

thread

width

pulled, and

of

8 nnn, it is considered

at the highest position. When the upper

the

be

measured when the

tension spring moves within the

as

standard. (Fig. 3

3)

Standard

Light Heavy

How

to

Lower

thread screwdriver regulator

to

left

tighten

small

to

tension

the

large

the

materials materials""" materials

adjust

the

stud

operating

screw.

.....................

(One

presser

regulator

into

3,

and

the

operating

.. · · .. · .. · · · · .. Approx. 8

............... g mm

g

the

needle

bar

groove turn range.

lifter.

set

tlte

Turn

range.

type)

screw

of

stud

the After

or

mm

or

(Fig. 34)

Loosen

1. the to

the

stud

adjusted,

mm

up

less

the

Fit

the

tension

right

to

the

How

to

adjust

Loosen

the

controller

to

small

left

adjusting,

the

screwdriver

stud

the

to

range

tighten

24. Tension

There

fabrics

[ts

is

or (1) Turn lowest (2)

Move

thread,

position.

(two

needle

thread

operating

of

virtually

the

controller

into

the

3,

and

turn

range.

the

operating

the

screw.

Lower Thread (Fig.36)

no

when

balance

slide

plate

groove

the

need

slight

wheel

type)

set

stud

Turn

to

adjustment

by hand, and

to

(Fig.

screw

of

to

the

range.

adjust

that

the

stud

you

35)

1.

thread

right

to

After

the

will

find

Fit

the

lower

stop

.the

thread

be

necessary.

when

thread

the

tension,

thread

tensiort

except

take~up

screw 3 of

for

lever

special

comes

the

hook

kind

down

base.

35

of

to

-12-

(3) Fi i

hook

shaft tension thread

(4)

thread.

the

bracket J as

screw

tension.

Turn

the

screwdriver

shown

to

the

right

screw

to

into

the

in

Fig.

to

strengthen

left

hole 2 of

36.

Turn

to

weaken

the the

the

25. Adjustment

Pressure

The

materials

Hw

materials materials:

dog

is presser heavy stitching or

the Standard Light Heavy

(1)

Ajustment

of

Presser on Materials

feed

dog

height

must

be

t.o

The

material

raised

on

materials:

pressure

materials

materials··················Approx.

excessively

materials

if

the

materials

of

feed

of

Feed Dog Height and

and

pressure

properly

be

It

pr~sser

..

················Approx.

feed

adjusted

sewn.

may

be

or

is

too

will

dog

is

....

········Approx.

dog

height

strong.

not

of

In

case

damaged

the

not

make

raised

too

weak.

(Fig.

according

pressure

presser

of

if

the

In

case

uniform

properly

(Fig.

1. 0 mm

0. 8 mm

1. 2 mm

38)

on

light

feed

of

37)

to

of

@

®

36

1.

2mm

~"":

I

1)

Lay

down

side.

2) Remove

:3)

Turn

1 he

the

feed

from

the

4) Loosen crank.

5)

Adjust moving and

6) lifting

the

forth

After

the

gearbox

balance

dog

is

raised

surface

the

screw

the

feed

as

per

adjusting,

rockshaft.

machine

wheel

of

needle

of

dog

lifting

as

arrow

tighten

bed

by

to

its

feed

to

the

rockshaft

toward

hand

highest plate.

lifting

desired

shown

the

and

stop

rockshaft

crank

in

screw

other

when

position

height

back

Fig.

38

of

feed

~------------~

@ ®

-

13-

Highlead GC24018, GC24018-1 User Manual

Specifications and Main Features

Frequently Asked Questions

User Manual