HIGHLEAD GC24618 Series Instruction Manual

HIGHLEAD

GC24618

series

Single/Double

Needle

Post-bed

Compound

Feed

Lockstitch

Sewing

Machine

With

Roller

Instruction

Manual

Parts

Catalog

SHANGHAI

HUIGONG

N0.3

SEWING

MACHINE

FACTORY

From the library of: Diamond Needle Corp

—

CONTENS

—

INSTRUCTION

BOOK

Instruction

for

GC24618/GC24618-1

Trouble

shooting

and

remedy

PARTS

CATALOG

ARM

BED

AND

ITS

ACCESSORIES

THREAD

TENSION

MECHANISM

BEARING

SHAFT

MECHANISM

ROLLER

PRESSER

FOOT

MECHANISM

THREAD

TAKE-UP

MECHANISM

UPPER

SHAFT

MECHANISM

UPPER

SIDE

SHAFT

MECHNISM

NEEDLE

BAR

MECHANISM

NEEDLE

BAR

FEEDING

MECHANISM

PRESSER

BAR

MECHANISM

TIMING

BELT

DRIVING

MECHANISM

STITCH

REGULATOR

MECHANISM

FEED

MECHANISM

CLUTCH

MECHANISM

CENTRAL

POST

BED

MECHANISM

FOR

SINGLE

NEEDLE

GEAR

DRIVING

MECHANISM

FOR

SINGLE

NEEDLE

LEFT

AND

MIDDLE

POST

BED

MECHANISM

FOR

TWO

NEEDLE

LEFT

POST

MECHANISM

FOR

SINGLE

NEEDLE

RIGHT

POST

BED

MECHANISM

BEARING

DRIVING

MECHANISM

RIGHT

POST

BED

DRIVING

MECHANISM

ACCESSORIES(I)

ACCESS0RIES(2)

PRESSER

FOOT

FOR

GC24618-1

SPECIAL

PARTS

CATALOG

FOR

GC24618-D/GC618-1D

THREAD

TENSION

MECHANISM

KNIFE

ACTUATING

MECHANISM(I)

Z2.

KNIFE

ACTUATING

MECHANISM(2)

From the library of: Diamond Needle Corp

GC24618

SERIES

POST-BED

COMPOUND

FEED

LOCKSTITCH

SEWING

MACHINE

WITH

ROLLER

INSTRUCTION

BOOK

Thank

you

for

choosing

GC24618

series

Post-bed

compound

feed

lockstitch

sewing

machine

with

roller.

This

instruction

book

parts

catalog,

which

will

help

you

use

machine

and

maintain

the

machine

correctly

while

facilitate

reference

parts.

order

avoid

trouble,

please

read

this

instruction

book

carefully

before

operation,

and

safety

operation

guide

from

professionals.

BRIEF

INTRODUCTION

MACHINE

GC24618

(Single

needle)

GC24618-I

(double

needle)

post-bed

compound

feed

lockstitch

sewing

machine

with

roller

elegant

appearance,

nice

and

even

stitches

which

can

freely

adjusted,

light

and

smooth

running

with

ball

bearing

and

needle

bearing,

excellent

for

heavy

duty

with

wheel

feed

and

driven

roller

presser

foot,

and

especially

suitable

for

sewing

high-grade

leather

shoes,

bags,

gloves

and

other

curvy

leather

products.

MAIN

SPECIFICATIONS

Type

GC24618/GC24618-1

Max

Sewing

Speed

2500rpm

Stitch

Length

1.3

7mm

Presser

Foot

Lift

mm.(by

hand)

14mm.(by

knee)

Needle

Bar

Stroke

41mm

Needle

DPX5

11#~20#

Hook

Vertical

Hook

Max

Thickness

Sewn

6mm

Lubrication

Manual

Motor

370W

Clutch

Motor

PRECAUTION

Though

each

machine

has

been

strictly

inspected

and

tested

before

leaving

factory,

the

machine

parts

may

loose

deformed

after

long

distance

transportation

with

jolt.

before

installing

using

the

machine,

you

must

check

carefully.

Examine

and

ensure

there

trouble

for

rotating,

colliding,

abnormal

resistance

and

abnormal

sound

before

you

perform

run-in

operation.

From the library of: Diamond Needle Corp

The

thread

guide

way

the

parts

such

rotating

hook,

feeding

wheel

and

thread

tension

regulator

assy,

etc.is

apt

accLiinulate

dust,

which

would

affect

sewing

perfonriance.

you

must

clean

regularly.

After

you

clean

the

machine,

please

lubricate

all

the

relevant

points

with

sewing

machine

oil.

special

sewing

material

special

thread

used,

you

want

replace

those

parts

which

will

affect

clearance,

please

refer

the

professionals.

NEEDLE

SETTING

(Fig.l)

Please

use

DPx5>

11#'~^20#

needle

only.

Needle

should

selected

per

thread

and

nature

material

sewn.

When

installing

needle,

make

sure

the

needle's

long

groove(A)

facing

the

operator's

left

side,

then

fully

insert

the

needle

shank

the

bottom

the

needle

socket

and

tighten

the

clamp

screw

finally.

—c—

WIND

THE

BOBBIN

(Fig.2)

Put

Bobbin

(B)

the

bobbin

winder

spindle,

and

draw

the

thread

(A)

from

spool

and

between

two

tension

discs

(E),

then

wind

the

thread

Bobbin

(B)

several

rounds,

pull

Bobbin

Winder

Lever

(D),

press

Spring

Plate

(C)

Bobbin

(B).

When

sewing,

will

wind

the

bobbin

automatically,

(if

not

sewing,

can

wind

the

bobbin

with

the

prcsser

foot

lifted

up.)

After

winding,

you

may

cut

bobbin

thread

winding

the

thread

two

rounds

the

thread

culling

blade

and

pull

off.

From the library of: Diamond Needle Corp

INSTALL

BOBBIN

CASE

(Fig.3)

Open

Cover

(A).

Lift

Bobbin

Latch

(B).

Pull

bobbin

thread

out

about

50mm,

then

draw

the

end

thread

through

the

slot

bobbin

case.

Put

the

bobbin

case

into

the

rotating

hook.

Press

down

Bobbin

Latch

(B).

While

taking

the

needle

thread

left

hand,

rotate

the

balance

wheel

right

hand

draw

the

bobbin

thread.

Cover

(A)

again.

THREADING

(Fig.4)

When

threading,

raise

needle

bar

the

upper

end

its

stroke,

lift

presser

foot,

sewing

out

the

roller

presser

foot

{pull

down,

then

push

away

the

arrow

indicates).

Then

lead

the

end

thread

from

spool

and

start

threading

the

following

sequence:

Lead

the

thread

through

the

two

holes

Thread

®.

Lead

the

thread

from

right

left

through

the

right

hole

the

thread

tension

setting

plate,

then

lead

and

between

Small

Tension

discs

©.

Lead

the

thread

downward

round

the

thread

dividing

and

pass

through

Tension

Discs

(3).

Pass

the

thread

round

Thread

Tension

Guide

Plate

from

right

left.

Lead

the

thread

through

Upper

Thread

Guide

©.

then

pass

through

the

hole

thread

take-up

lever

Lead

the

thread

downward

through

Middle

Thread

Guide

©,

Lower

Thread

Guide

®,

Hole

the

needle

bar,

then

pass

through

the

eye

the

needle

(D,

and

draw

out

about

100mm

for

sewing.

From the library of: Diamond Needle Corp

ADJUST

THREAD

TENSION

(Fig.S.

The

normal

stitch

should

the

same

Fig.

(A)

shows.

the

stitch

abnormal,

thread

breaking

puckering

may

appear.

this

case,

you

should

adjust

the

tension

needle

thread

bobbin

thread

until

the

slilch

right.

the

stitch

the

same

Fig.

(B)

shows,

means

needle

thread

tension

too

strong

bobbin

thread

tension

too

weak.

You

should

turn

tension

nut

counter-clockwise

reduce

the

tension

needle

thread.

tighten

Adjusting

Screw

(B)

with

small

screwdriver

increase

the

tension

bobbin

thread.

Fig.

(C)

show

that

needle

thread

tension

too

weak

bobbin

thread

tension

too

strong.

You

should

turn

tension

nut

clockwise

increase

the

tension

needle

thread,

loosen

Adjusting

Screw

(B)

using

small

screwdeiver

reduce

the

tension

bobbin

thread.

NORMAL

STITCH

ABNORMAL

STUCrH

ABNORMAL

STITCH

NEEDLE

THREAD

TENSION

INCREASE

DECREASE

tighten

/^JUSTING

a^SCREW

(loosen

ADJUST

PRESSURE

ROLLER

PRESSER

FOOT

(Fig.S)

Fhe

presser

the

roller

presser

foot

should

adjusted

according

the

thickness

material

sewn.

When

sewing

heavy

weight

maierial.

the

pressure

presser

foot

should

increased

turning

clockwise

the

regulating

screw

the

back

the

machine

head

Fig.S

indicates.

CLOCKWISK

COIINTKKCLOCKWISK

From the library of: Diamond Needle Corp

10.

ADJUST

STITCH

LENGTH

(Fig.9)

Press

down

the

stitch

regulating

button

(B)

forefinger

left

hand.

Turn

Balance

Wheel

(A)

slowly

right

hand.

Stitch

length

can

adjusted

after

the

stitch

regulating

button

depressed.

The

figure

stitch

length

indicated

Balance

Wheel

(A),

the

bigger

this

figure

is,

the

lounger

the

stitch

is.

Turn

round

the

balance

wheel

till

the

desired

stitch

length

aims

Reference

point

(C),

then

release

Stitch

Regulating

Button

(B).

11.

REGULATE

CLEARANCE

BETWEEN

HOOK

AND

NEEDLE

(Fig.lO)

When

turning

round

the

balance

wheel

hand

set

the

needle

2mm

from

its

lowest

position,

the

position

needle's

eye

should

1.6mm

lower

than

hook

point.

When

turning

round

the

balance

wheel

hand

set

the

needle

2mm

from

its

lowest

position,

hook

point

should

aim

needle

groove

with

the

clearance

0.05mm.

1.6infli

[10

HOOK

POINT

UPPER

END

OF"

NEEDLE'S

EYE-

LOWER

END

-■

NEEDLE

•-

2mm

OSmni

SIDE

VIEW

NEEDLE

CENTERLINE

HOOK

POINT

OVERLOOK

From the library of: Diamond Needle Corp

12.TR0UBLE

SHOOTING

AND

REMEDY

TROUBLE

CAUSE

REMEDY

Stitch

Skipping

(1)Caused

needle:

Needle

bent

Needle

doesn't

fit

for

thread.

(2)Wrong

needle

installation;

Insufficient

insertion.

The

needle

deflected

when

being

inserted

Replace

needle

Replace

with

needle

which

fit

for

thread.

Fully

insert

the

needle

shank

the

bottom

the

needle

socket.

Re-install

needle.

Poor

Stitches

(1)

Tension

needle

thread

too

weak.

)

Tension

thread

take-up

spring

too

weak.

(3)

Tension

bobbin

thread

too

strong.

Turn

tension

nut

clockwise

adjust

tension

needle

thread.

Adjuat

the

tension

thread

take-up

spring.

Tighten

the

screw

thread

tension

spring

bobbin

case.

Thread

Breaking

)Poor-quality

thread.

(2)Caused

needle:

Needle

bent

Wrong

needle

installation

Needle

not

fit

for

thread

(3)The

tension

needle

thread

too

strong

Replace

thread

with

high-quality

one.

Replace

the

needle.

Re-install

the

needle.

Replace

with

needle

which

fit

for

thread.

Loosen

tension

nut.

—

From the library of: Diamond Needle Corp

ARM

BED

AND

ITS

ACCESSORIES

—

From the library of: Diamond Needle Corp

A.ARM

BED

AND

ITS

ACCESSORIES

Ref.

No.

Part

No.

Name

part

Remarks

119687

108246

108234

168061

210210

119027

314946

119039

700335

118430

700335

119686

700335

119092

108285-1

119091

108225

Face

plate

Screw

Thread

take-up

cover

Screw

hole

thread

retainer

Screw

Arm

side

cover

Screw

Thread

guide

wire

Screw

Thread

guide

wire

Screw

bracket

Screw

Bottom

pan

Screw

—

From the library of: Diamond Needle Corp

This manual suits for next models

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