Highlead GC24618, GC24618-1 User Manual

SINGLE/DOUBLE NEEDLE POST-BED COMPOUND FEED LOCKSTITCH

SEWING MACHINE WITH ROLLER

GC24618(SINGLE NEEDLE)

GC24618-l(DOUBLE NEEDLE)

INSTRUCTION

BOOK

. ' -

•

& PARTS CATALOG

. POST-BED COMPOUND FEED

LOCKSTITCH SEWING MACHINE WITH

INSTRUCTION BOOK

Thank

machine with roller.

This

maintain the machine correctly wbile facilitate reference

In

accept safety operation guide from professionals.

lockstitch sewing machine be heavy duty high-grade leather shoes, bags, gloves and other curvy leather products.

you for choosing Single I

·

is

an

instruction book &

order

to avoid trouble, please read this instruction book carefully before operation,

1.

freely adjusted, light

with

wheel

Double

parts

needle

catalog, which will help you to use machine

.Post-bed compound feed lockstitch sewing

of

parts.

BRIEF INTRODUCTION OF MACHINE

Single needle I Double needle post-bed compound

with

roller

is and feed

elegant

smooth

and

in

running with

driven roller presser

in

appearance, nice and even

ball

bearing

foot,

and

and is

especially suitable

ROLLER

and

feed

in

stitches which can

needle bearing, excellent for

for

sewing

2.

MAIN SPECIFICATIONS

1)

Max. Sewing Speed:

2)

Stitch Length Presser Foot Lift:

3)

4)

Needle

5) Needle:

6)

Hook:

7) Max.Thicliness to Lubrication:

8)

9) Motor:

3.

PRECAUTION

a.

Though each machine machine parts

installing & using the machine,

trouble

perform run-in operation.

for

rotating,

Bar

may

Stroke:

be

no

2500

1.3-7mm. 7mm.(by hand)

14mm(by knee)

41mm

DP

Vertical Hook

beSewn:

has

been

strictly inspected

loose

or deformed after long distance transportation

you

must

check

colliding,

no

abnonnal resistance and abnormal sound before you

and

it

carefully. Examine

6mm. Manual

370w Clutch Motor

tested before leaving

X

rpm

5,

11#

..

it

and ensure there

20##

factory,

with

jolt.

the

So

before

is

no

1

b.

The thread guide way

regulator must clean

c.

After

oil.

d.

If special sewing material or spec

will affect clearance, please refer to the professionals.

you

assy.

etc. is apt to accumulate dust, which would affect sewing performance.

it

regularly.

clean

of

the parts such

the

machine, please lubricate

ial

as

rotating hook, feeding wheel and thread tension

all

thread is used, or

the

relevant points with sewing-machine

you

want

to replace those parts which

So

you

'

4. NEEDLE SETTING (Fig.l)

Please

Needle sho

nature of material to be sewn. When installing needle, make

facing

insert the of screw

5.

and

between t thread Bobbin W

(C)

w

it can wind

lifted up.)

use

DP

X 5

the

II# -20

uld

be

selected

su

re the needle's long groove

the

operator's left side, then fully

needle

finally.

shank

socket

and

# needle

as

per thread

up

to

tighten the clamp

WIND THE BOBBIN (Fig. 2)

Put

Bobbin (B) draw

on

up

to

ind

the

wo

bobbin automatically. W not sewing,

on

the bobbin winder spindle,

the

thread (A)

tensi

on

discs (E), then wind Bobbin (B) several rounds, pull ind

er Lever (D). press Spring Plate

Bobbin (B).

the bobb

in

from

When

sewing,

with the presser

the

spool

only.

and

(A)

bottom

and

the

up

it

will

foot

1

wi

ndin

g,

you

may

After

wi

nding

the

cutting blade

thread

and

pull

cut bobbin thread

two

rounds

it

off.

on

the

·by

thread

2

6.

INSTALL BOBBIN & CASE

7.

THRAEDING.

(Fig. 3) ·

a.

Open Cover (A).

b. Lift c.

d.

e. Press down Bobbin Latch (B).

f.

g.

up

Bobbin Latch (B). Pull bobbin thre 50mm, then draw the end thread throu case. Put the bobbin case into the rotating

Whi by wheel the bobbin thread. Close Cover (A) again.

hook.

le taking the needle thread

left hand, rotate the balance

by right

(Fig. 4)

gh

ad

the slot

hand

BOBBIN

out about

of

bobbin

to

draw

up

When

threading, raise needle bar

upper end

swing out the then push

lead

threading

it

away

the end

in a.

b.

c.

d. Pass the thread round Thread Tension Guide Plate® e. Lead the thread

f.

to

of

its

stroke. lift

roller presser foot (pu

as

the arrow indicates). Then

of

thread

the following sequence:

Lead

the thr

holes

of

Lea:d

the thread from right to left through thread tension setting plate, then lead

it

up

Tension

Lead round the thread dividing pin and pass

Di

thread take-up l

Lead the thre

d), Hole @

draw

Discs®.

the thread downward

scs®.

it

out about I

up

presser foot,

ll

it

down,

from

spool

and

ead

through the

Thread P

and

it throu

in

CD

the

right hole

go between Small

up

eve

r from right to left.

ad

downward through Middle Thread Gui

on

the needle

OOm

of

gh Tensi

through Upper Thread Guide@,

m for sewing.

the

start

two

the

on

bar,

then pass

it

through

-

from

then

the

right

to

left.

pass

it

through the

de®,

Lower Thread Guide

eye

of

the needle® .

hole

of.

and

3

8. ADJUST

THREAD

TENSION (Fig.

5,

6,

7).

The normal stitch should shows. or puckeri should adjust the tension

bobbin thread until the stitch

If

the stitch

ng

a.

. If the stitch is the same

is

abnor

may appear.

shows, it means needle thread

is

tension

too strong or bobbin

thread tension is

You

should turn tension nut counter-clockwise to reduce the tension tighten Adjusti small screwdriver to increase the tension

b.

Fig.

th

read tension is

of

bobbin thread.

(c) shows that needle

bobbin thread tensi strong.

nut clockwise to increase the tension Adjusting screwdriver of

You

of

needle thread, or loosen

Screw (B) using small

bobbin thread.

be

the same as

mal,

thread breaki

In

this case.

of

needle thread &

is

right.

needle thread. Or

ng

Screw(B)

too

should turn tension

to

reduce the tension

as

too

on

Fig.

weak.

weak

is

you

with

too

A

ng

(B)

or

Ao/::::

Bx

Cx6,)=¢ii

•

<S~~Q;?

~~ORMAL

STITCH

~7••~

ABNORMAL STITCH

I I

,if!J

ABNORMAL STITCH

TENSION

INCREASE

r;-

/DECREASE

9. ADJUST

The pressure adjusted according be

sewn. When sewing heavy weight material,

the pressure

by

turning clockwise the regulating screw on the

back

of

Vice

versa.

PRESSURE

of

the roll

of

presser

the machine head

er presser

to

the thickness

foot

OF

should

as

Fig.

ROLLER PRESSER

foot

should

of

material to

be

8 indicates.

be

increased

FOOT

CLOCKWISE

. (Fig. 8)

4

10. ADJUST STITCH LENGTH

(Fig. 9)

a.

Pre

ss down the stitch regulating forefinger

b.

Turn Balance Wheei(A) slowly

c.

Stitch length can

after

button

d. The figure

indicated Wheei(A), the bigger this figure is. wheel till the desired stitch length aims at Reference Point(C), then release Stitch Regulating Button(B

by

the is

is,

Turn round the balance

bun on(

of

left hand.

right hand.

stitch regulating

depressed.

of

on Balance

the longer the stitch

B)

be

adjusted

stitch length is

).

by

®

_/

11. REGULATE CLEARANCE BETWEEN HOOK AND NEEDLE (Fig. 10)

We

suggest

hook

to

adjust the clearance between rotating

and

needle

a.

When turning round the balance wheel

the needle 2mm

lowest position, the position

of

1.6mm

b.

When turning round the balance wheel

the needle 2mm

lo

west position, hook point

sho

with

by

professionals.

by

hand to set

needle's eye should

lower than hook point.

by

hand

uld

aim

at

needle groove

the clearance

of0

from

to set

from

.05mm.

its

be

its

HOOK

UPPER

END

NEEDLE'S

LOWER

OF

NEEDLE

CEN

TERLINE

1.6mm

POINT

~t=~~--..,..---€~

OF

EYE~.--.;JII;...

END...._....____..__

2mmUP

---<-;.t;rll

u::!=::~=-

0.05mm

HOOK

POI!'-IT

SiDE

VIEW

OVERLOOK

5

12.

TROUBLE

SHOOTING

AND REMEDY

TROUBLE

Stitch Skipping

Poor

Stitches

(

1)

Caused Needle Needle doesn't

(2)

Wrong

by

bent

needle

CAUSE

needle

·

fit

for

thread.

installation:

:

Replace Replace which

REMEDY

needle

with a

is

fit

for

thread.

needle

Insufficient insertion. Fully insert the needle

shank up to the bottom of

The

needle

inserted

(I)

Tension

weak.

(2)

Tension

too

weak

(3)

Tension

strong. tension spring

deflected

of

needle

of

thread

of

·bobbin

when

thread

take-up spring

thread

being

is

too

the needle socket.

Re-install needle.

Turn

tension

to

adjust tension

thread.

is

Adjust take-up spring.

Tighten case.

the

nut

clockwise.

of

tension

the screw of

of

needle

thread

bobbin

Thread

Breaking

(I) Poor-quality (2)

Caused

Needle

Wrong Needle

(3)

The

strong

by

bent

needle

is

not

tension

installation

fit

thread.

needle

for

thread

of

needle

thread

is

Replace· high-quality

Replace Re-install the Replace which

too

the

is

fit

Loos.en

thread one.

needle

needle.

with

for

thread.

tension

a

nut.

with

needle

..:._

6

ARE BED

AND

ITS ACCESSORIES

i

I

i

;

I

~

9

---~

I

-8

1

10-~

··~

/

11

7

ARE BED

AND

ITS ACCESSORIES

Ref. No.

I

2 3

4

5

6

7 8 9

10

11 14 15 16 17 18 19

Part

No. Name

119687 108246 108234

168061

210210 Screw

119027

314946 Screw

119039

700335

118430

700335

119686

700335

119092 108285-1 119091 108225

Face Screw I Screw Thread Take-up Cover

4 Hole Thread Guide

Arm

Screw Thread Guide Screw Thread Guide Screw Support Screw

Bottom

Screw

Plate

Side Cover

Leg

Pan

of

Part

Amt. Req.

Single

I I

1 1

I I

I 1

1 2

1 1

I 1

I

1

2

I

Double

5

Remarks

1

I

1

2

I

1

I

2

1

5

8

THREAD TENSION MECHANISM

z .• :

•.

~

2

1

I

2·7

2-1~

FOR

Single

1

6----0

4

3

~5

2·15

FOR

Double

9

THREAD TENSION MECHANISM

·,

Ref.

2-1 2-2 2-3 2-4 2-5 2-6 2-7 2-8 2-9

2-10

2-11 2-12 2-13 2-14 2-15· 2-16 2-17 2-18

2-19

2-20

2-21

2-22

2-23

2-24

3-4

1

2

3

4 5 6

No.

Part

No.

118553 119171 119171-1 119171-2 119171-3 119171-4 119171-5 119171-6 119171-7 119171-8 119171-9 119171-10 119171-11 119171-12 119171-13 119171-14 119171-15 119171-16 119171-17 119171-18 119171-19 119171-20 119171-21 119171-22 119171-23 119171-24 119766 119766-1

175096-1 700412 700412-1

.

Tension Thread

~ut

Thread Tension Thread Tension Thread Screw Thread Tension Tension Tension Screw Tension Nut

Upper Thread Thread Thread Thread Thread Screw Thread Screw Screw Thread Thread Screw Screw

Bushing

Name

Releasing

Tension

Guide

Spring

Take-up

Disc

Tension

Releasing Releasing Releasing

Release

Thread

Tension Guide Guide Guide Guide

Tension

Tension Take-up

of

Part

Assy.

Assy

Spring

Stud

Regulating

Pin Pin Plate

Spring

Tension

Plate

Stud Base Ring Spring

Cap

Spring Retainer

Assy.

Spring

...

Bushing

Amt. Req.

Single

1 0

2

1

1 0 2

1

I

2

I

1

I

1

I

1 0

I

1

I

1

I

Double

1

1 2 2 2

1 4

1

I

I 2

I

2

1 2 2 2 2 2 2 2 0

I

0 0

1 I

1

Remarks

(2-1-21)

(3-1-21)

""{>

10

BEARING SHAFT MECHANISM

0-1

5

SJ-2

~

@3-3

o-1

f---4

~-6

@-7

@-a

u-12

;...___

14

d

o-13

@)-s

@-7

~-6

-12

u

-

14

e-13

11---

11-~

~

rg)-7

\..._

'

11.

---15

BEARING SHAFT MECHANISM

Ref.

No.

1 660290

2

3 4

5 6 7

7-1

8 8-1 8-2 8-3

9

10

II

12

13

14 15

Part

I19158 119158-1 75690I 119150 119150-1 108294 640210 119159 1I9160 119886 119961 119962 119963 119507 174176 119087 061014

..

119505 II9506 119503

No.

-

Name

Retaining Bearing Bearing Socket Bearing Bearing Bearing

Screw

E-Ring Washer( Washer(1.4) Washer(O.I) Washer(0.15) Washer(0.2) Washer(O.OS)

Link Screw Oil

!Needle

Bearing Socket

Bearing

Bearing Shaft

Ring

Socket

Assy. Assy.

1.0)

Felt

Bearing

Assy.

of

Part

Amt. Req.

Single

2

1 1 1 I I I

I

4 4 2 2 2 2 3

2

·4

4 4 2

2

1

Double

2 I

1

I I

1

2 2

2 2 3 2 2 4

2 2 2

I

Remarks

(1-3)

(12,

13)

12

ROLLER PRESSER FOOT MECHANISM

1 (Large)

4-c

6-4

6-5

9-0

. I

Io-(9

10-1-@

. l

10-S.

11--©

1\

I

I 0

'

I

6-7

2 (Medium)

6-4

6-5 I 0

I

9-0

I

10-e

I

10-1-@

I

10-e

I

11--©

6-7

22

3(SmaJI)

6-5

10

9-0

I

10-e

I

11~

15

~

"

20

\

@-16

17

2

~

~-16

18

rtf

~

13

15

'\

~

19

20

f

~

~-16

ROLLER PRESSER FOOT MECHANISM

Ref.

10-1

1

2

3 4 5

6 6-1 6-2 6-3 6-4 6-5

6-6

6-7

7 7-1 7-2 7-3

8

8-1 8-2 8-3

9

10

II

12 13

14

15 16 17

18 19

20

No.

Part

No.

119803 119803-1 119802

119469

033145

175109 175109-1 175109-2 175109-3 175109-4 175109-5 175109-6 175109-7 175107

175107-1 175107-2

175107-3

175108 175108-1 175108-2 175108-3

664290

133116 133116-1

518210

119953 119943 f19956 Roller Presser Bracket

210043

119491 119807 119955 119954 173174

Roller Presser Assy.(Large) Roller Presser Roller Presser Assy.(Small) . C-ring

Roller

Assy. Driving Shaft Roller Roller Holder( front) Roller Holder(back)

Steel

Ball Scre\v Screw Roller

Assy.

Driving Shaft

Roller

Roller Holder

•.

Roller Driving Shaft

Roller Rolle

Holder

C-Ring

Ball

Bearing Washer C-Ring

Roller Presser Bracket Roller Presser Bracket

Screw

Washer Connector(big) Connector(

Connector( small)

Screw

Name

A.ssy.(Medium)

'

medium)

of

Part

Single

I I I

1 I

1 I 1 I I 1 I 1 I

1 I

1 1 I I 1 I 1 I I I 1

I

1 I

I

1 1 1

1

I

i

I I

1

1 I 1 I I

I

2

Amt. Rcq.

Double;

Remarks

I

.1

1 1 I

I I I

I

1

2

I

I I

1

I

1 1

14

THREAD TAKE-UP LEVER MECHANISM

-22

1

I

22

~~

21-~

14-~

4 3

~

,~~

t~a

15

14

17

1,8

6

19

~

16

0

I I

®~

15

~

I

20

THREAD TAKE-UP LEVER MECHANISM

Ref. No.

I

2 3

4

5 6 7 8

9 10 II

12 13 14 15 16 17 18

19 20 21 22

Part

118084 119009 168039

215022

119008 119762 119049 119007 167569 167570 119006 168046 168047

610210

039177

119013 1

19765

119763

218080

118518 168041

314220

No. Name

Thread Thread Thrust

!Needle

Thread Thread Thread Thread

Ball Ball

Take-up

Take-up Take-up

Ring

Bearing Take-up Take-up Guide Take-up

Bearing Bearing

Lever

Assy. Lever

Holder Crank

Lever

Assy. Washer Bolt

C-ring Screw Needle Needle

Bar

Connector

Bar

Connecting

Washer

Needle Bearing Slide

Block

Bushing

Screw

of

Part

Shaft

Rod

Amt. Req.

.Single

1

1 2 2 2

1

I

1

I

1

1 2

1

I

1

I 1

3

Double

1 1

2

1 1 1 1

I

I 1

2

1

I I I

1

I

1

3

Remarks

(2-19)

.

(7-10)

16

Highlead GC24618, GC24618-1 User Manual

Specifications and Main Features

Frequently Asked Questions

User Manual