HIGHLEAD GC2008-M Manuale utente

HIGH

LEAD

GC2008-M/GC2008-

High Speed Lockstitch Sewing Machine

Instruction

Manual

Parts

Catalog

SHANGHAI HUIGONG

N0.3

SEWING MACHINE FACTORY

From the library of: Superior Sewing Machine & Supply LLC

-----CONTENTS-----

PRECAUTIONS

BEFORE

STARTING

OPERATION·

Safety

precautions

Precaution

before

Starting

Operation"

Precaution

for

Operating

Conditions

2. MAIN

SPECIFICATIONS

PRECAUTIONS

AND

LUBRICATION

Cleaning

the

machine

...

2) Examination···· ·

Oiling

REPLACE

NEEDLES

NEEDLE,

THREAD

AND

MATERIAL

SEWN

THREADING

.,.

· · · ·

WINDING

ADJUSTMENT

SET

STITCH

LENGTH

AND

REVERSE

FEEDING·

POSITION

PRESSER

BAR··

10.

ADJUST

THE

PRESSURE

PRESSER

FOOT

11.

ADJUSTING

UPPER

THREAD

TENSION··

12.

ADJUST

THREAD

TENSION·

· .........

··--

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

13.

ADJUSTING

THREAD

TENSION

14.

ADJUSTING

THE

THREAD

GUIDE

15.

TIME

NEEDLE

ROTATING

HOOK

Adjusting

the

needle

position

Adjusting

the

hook

point

timing·

16.

REPLACE

ROTATING

HOOK

.............., ............................ ·

17.

ADJUST

THE

HEIGHT

FEED

DOG

18.

ADJUST

THE

POSITION

FEED

DOG

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

19.

TIME

FEED

MOTION

NEEDLE

MOTION

20.

LUBRICATION

ADJUSTMENT

...

21.

REGULAR

CLEANING

SPECIAL

INSTRUCTION

GC2008-MD

22.

ADJUSTMENT

NEEDLE

BAR

STOP

POSITION

23.

REVERSE

SEWING

.....................................,.................... 10

24.

THREAD

WIPER

...

,._...

25.

ADJUSTMENT

KNIFE

ENGAGEMENT···

. 1) Position

fixed

knife

· ·

...

Knife

engagement

amount

.............................................................., ....................

,...

·10

Adjustment

knife

engagement

pressure

............... ·"...........................

........ .,.... ......

26. PARTS

CATALOG·

....................................................., .........................................,..

Arm

bed

& Its

accessories

· ...., ............................".... ........

...

Needle

bar

and

thread

take-up

mechanism

· 15

From the library of: Superior Sewing Machine & Supply LLC

Feeding

and

feed lifting & lower

shaft

mechanism,.

..........

···

Stitch

regulator

mechanism

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

F) Oil

lubrication

mechanism

Knife

mechanism

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

Wiper

mechanism·

Touch

back

mechanism

Detector

mechanism

AccessorieS"'"

...

From the library of: Superior Sewing Machine & Supply LLC

PRECAUTIONS

BEFORE

STARTING

OPERATION

Safety Precautions:

(

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.

(2) Power must

turned

off

when the machine

not

use, or when the operator leaves the seat.

(3) Power must

turned off when tilting the machine head, installing

removing the "V" belt, adjusting

the machine, or when replacing.

(4)

Avoid

placing fingers, hairs, bars etc., near the balance wheel, "V" belt, bobbin winder balance wheel.

or motor when the machine

operation.

(5)

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

machine

operation.

(6) If a belt cover, finger guard, eye guard are installed,

not operate the machine without these safety

devices.

2) Precautions before Starting Operation:

(

If the machine's oil pan has

oil sump, never operate the machine before

fill

ins

it.

(2) Ifthe machine

lubricated

a drop oiler, never operate the machine before lubricating.

(3) When a new sewing machine

first turned on, verify the rotational direction

the balance

vvheel

with

the power on. (The balance wheel should rotate counter-clockwise when viewed from the balance

wheel)

(4)

Verify

the voltage and (single or three) phase with those given

the machine nameplate.

3) Precautions for Operating Conditions:

(

Avoid using the machine at abnormally high temperature (35'C or higher) or low temperature (5

lower)

(2) Avoid using the machine

dusty conditions.

2. MAIN SPECIFICATIONS

Item GC2008-M T GC2008-MD

Material Light

Max.sewing speed 5000 rpm

Stitch length 0-4mm I 0-4mm

Needle bar stroke 31.8mm

I 1 By hand 6mm I

Presser r 1,

1\.nee

13mm

_____

, DBX 1#14

Reversing mechanism 0

Trimming mechanism 0

Touch back mechanism 0

-1-

From the library of: Superior Sewing Machine & Supply LLC

3. PREPARATION AND LUBRICATION

Cleaning the

machine

Before leaving the factory, the machine parts are coated with rust-preventive grease, which

may

hardened

and

contaminated

dust during storage and shipment. This grease must

removed

with

gasoline.

2) Examination

Though every machine

confirmed

strict inspection and test before leaving the factory, the machine

parts

may

loose or deformed after long distance transportation with jolt. A thorough examination must

performed after cleaning the machine.

Turn

the balance wheel

see

there

running obstruction, parts

collision, uneven resistance or abnormal noise. If these exist, adjustment must

made accordingly before

run-in operation.

3) Oiling (Fig.l)

(I) Required amount

oil

Line

(A)

the oil reservoir: Max. Oil level

Line

(B)

the

oil

reservoir: Min. Oil level

oil

level goes down under line (B),

oil

cannot

distributed

each part

the machine,

thus causing the parts a seizure.

(2)

Replenishing

Always

use

only No.

special machine oil for high speed sewing.

sure to replenish

oil

line (A)

before starting operation.

(3)

Replacing

oil

replace oil, remove screw (C)

drain oil. After completely draining off oil, clean the

oil

reservoir

and

securely tighten screw (C), then

fill

the reservoir with fresh oil.

REPLACE NEEDLES (Fig.2)

Turn

the

balance wheel to lift needle bar

the

upper end

its

stroke. Loosen needle clamp screw

(A). While keeping the long groove

the needle

IPftw<Jrrl

fJdlv

ino;;prt

thP

nPPrlle sh;Jnk

11n

the

•

-.-

----

----.;

-------

----

-------

- - - 1

bottom of the needle socket. Then tighten needle

clamp screw (A).

Note:

Fig.

(b): insufficient insertion.

Fig.

(c): wrong direction

long groove.

Long

groove

-2-

From the library of: Superior Sewing Machine & Supply LLC

NEEDLE,

THREAD

AND MATERIAL

SEWN

Needle Size Thread Number Material

No.9 No. I00-

No.80

crepe, georgette, organdie

No.I

No.80-

No.60

silk, muslin, poplin

No.l4

No.60-

No.SO cotton, light, woolen

No.16

No.SO-

No.30

woolen, tarpaulin, thin leather

THREADING (Fig.3)

Raise the thread take-up lever to its highest position and thread the upper thread

the following order.

3 4

(7)

Left

right

WINDING

ADJUSTMENT

(Fig.4)

I) Put an empty bobbin

onto

the

bobbin

shaft and thread the thread according to Fig 4

2) Push the bobbin catch

the direction

the arrow

3) The bobbin is filled

during

the progress

the sewing.

4) The

bobbinet

stops automatically

when

the bobbin

full.

5) The tension

the thread

the bobbin can be adjusted with knurl-screw 2.

8. SET

STITCH

LENGTH

AND REVERSE

FEEDING

(Fig.5)

I) Stitch length can be

set

by turning dial (A).

2) The figures on face

(B)

dial

show

stitch length in mm.

3) Reverse feeding starts

when

reverse feed lever

(C)

depressed,

and

the machine will feed forward again

From the library of: Superior Sewing Machine & Supply LLC

reverse feed lever (C)

released.

6mm

POSITION

PRESSER

BAR

(Fig.6)

---'--....,.--

I) Loosen lock nut (E) and pressure regulating thumb screw (A).

2) Remove Rubber

Plug

from face plate (B).

3) Loosen screw (C) and adjust the position

Presser Bar till the presser foot is 6 mm above the throat

plate

the presser foot lifted to its highest.

4) Tighten screw (C) and put

the rubber plug.

5) Tighten pressure regulating thumb screw (A) and lock nut (E).

10. ADJUST

THE

PRESSURE

PRESSER

FOOT

(Fig.7)

Pressure

the presser foot can be adjusted by turning the pressure regulating thumb screw.

11.

ADJUSTING

UPPER

THREAD TENSION (Fig.8)

I) Upper thread tension can be adjusted by thread tension nut.

2) Upper thread

to be adjusted according to the lower thread tension.

3) For special fabric

sewing

with special thread, the desired tension can be obtained by adjusting the

strength and operating range

thread take-up spring.

For light weight

For heavy material

material

(strengthen)

(weaken) .

Pressure regulat1ng

---

thumb screw

-4-

Thread

tension

nut

Strengthen

From the library of: Superior Sewing Machine & Supply LLC

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