Global WF976 User Manual

GLGBAL

WF976

CYLINDER BED

COMPOUND

LOCKSTITCH

OPERATION I INSTRUCTION I PARTS MANUAL

SEWING MACHINE

TWIN

FEED

NEEDLE,

Content

Operation

I.

Briefintroduction

2. Main

3.

4.lnstalling

5.

6.

7.

8.

9. I

0.

II.

12. I 3. I 4.

15.

16. Winding adjustment. I 7. I 8. I 9.

20.

21 . Adjusting

22.

23.

24.

25.

specification

Installing

Connecting Installing Installing Installing Operation

Lubrication

Trial

run Installing Coordination

Threading Adjusting

Setting

Adjusting

Function

Adjusting

Timing Adjusting

Relationship Removing

Instruction

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

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

the

machine

the motor.

the clutch to the pedal..

the

presser

the

bobbin

the

thread

preparation

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

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

the

needle among

the

needle

the

tension

the stitch length and reverse

the

pressure

of

the

safety the lift the

feed adjustment..

the

and

amount

position

timing

between

installing

--·············--··············································-'

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

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

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

foot lift

winder.

spool

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

needle,

thread

of

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

between

control

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

stand

thread

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

bobbin

of

presser

c I utch

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

of

presser

of

the feed

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

the

rotating

the

rotating

plate

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

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

and

thread and

sewing

foot

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

foot with

dog

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

needle

and

hook and hook

hook

materials

rotating

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

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

needle

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

thread

walking

hook

separator

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

presser

....... ,

foot..

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

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

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

I I 2

2

3 3 3

.4 .4

.4

5 5

5

6

7

7 7

8

8 8 9 9 9

Parts

1.

2.

3.

4.

5. Feed

6.

7.

8.

Manual

Arm

and Upper Presser Lower

shaft

Upper

Threading Accessories

bed

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

shaft

and thread take-up parts

bar

and draw bar parts

shaft

and

rotating

parts

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

feed and

presser

parts

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

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

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

hook

foot lifter parts

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

parts

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

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

I 0-11

l2-13

14-1 16-1 7 18-19 Z0-21

22-23

24-25

5

Operation

Instruction

1.

Brief

This

series rotating seam.Upper teeth-type lever-type series avoid occurs. compound with needle

weight They products.

J3.

I.

To located mat for

Oil

2.

Put the oil the four

then

3.lnstalling

Install move frame

hook

are

the

The

alternating

and

This

series

materials

are

suitable

Installing

Location

ensure a smooth

on

between

further

reservoir

cushions

place

the

machine

of

the

instruction

adopt

which

shaft

synchronic

stitch length

equiped

damage

feed

of

feed dog.

are

of

the

rigid

and flat floor.

machine

reducing

installation

reservoir

oil felt into the oil reservoir.

the

machine

hinge

table

slide

take-up

forms two lines

and

lower

adjusting

with safety clutch mechanism to

to

machine

mechanism

timing

presser

widely

such as bag, luggage,

for

sewing

the

machine

running,

stand

the

runing

into

on the four

into the

head freely till it is

cutout,

shaft

belt,

foot and lower feed with

head

then

and

mechanism. This

when

is

designed

feed between

used in

and

(Fig. I)

the

base

producing

arc and

the machine should be

The

insert

floor is

noise

and vibration.

table

cutout,

corners

tighten

(Fig.2)

of

the

of

lever. vertical

of

lockstitch

are

driven

adjusted

overloading

upper

cushion,

cylinder

of

rubber

recommended

and

the

cutout,

machine,

seated

the screws A.

by by

with feed

heavy

etc.

type

place

then

on the

2. Main

Application Max.sewing speed Stitch length Needle bar stroke

Clearance under

presser foot lift

Rotating hook Vertical Needle Lubrication

Power Needle

specification

TYPE

guagc

1/8" , I

WF976

Medium and heavy duty

DPX

/4"

I

2000spm

0-6mm

33.2mm

8.5mm by hand, 14mm by pedal

17

18#-23#

Semi-automatic

370W

,5/16"

--

Oil

reservoir

~

/

IC

TTe

<

./

IS:

c:

E

"

0

c::

...

<

.::::::: .:::::::

,3/8"

Bed

~

I ·o"

•

1.:..

lJ_

~A

<j

-1-

A

,4.

Installing

Move

the

motor balance groove B. Make sure that the table.

wheel groove A is

the

motor

C leftward

aligned

and

belt

(Fig.3)

rightward

with

the

does

not

r

until the

belt

touch the

c

1

0-12mm

E---1+'~

D'---+----1-

C----1'

s.---tr...1r"\

A~~d::b

X

B

5.

Connecting

!.The

optimum

approx lever C and draw

clockwise opposite rotate in the same direction. reversed the motor.

vertically. The proper

I 0-12mm when the

by finger.

20-30 degree.

2.Adjust the clutch E

3.The machine balance wheel for normal

side

by

4.Adjust the tension

the

clutch

tilt

angle

of

barB

run in line.

sewing

of

the balance wheel.

reversing

(turn

ofY-belt

tension

belt

is

the

depressed

to

of

pedal

motor

shold

when

The

over

by

ofY-belt

the

pedal

with

so that clutch

rotate

view

from

The

motor

rotation

180

deg)the

moving

is a slack

(at

the

(Fig.4)

floor is

counter

should

can

be

plug

the motor

belt

of

pan)

5

-2-

6.

Installing

Connect

lever

V,

of

the machine

leftward and Tighten the the control plate

the

the draw bar hook A

and install the pedal assembly

rightward

connector

presser

stand,

with

foot

lift

control

to

then move the

until the

by bolt ad nut. Finally

the chain

chains

hook.

the

presser

control

plate

Don

run in line.

(Fig.S)

foot lift

the

spring

plate

connect

E

,7.

Installing

Align

the

there

should

that

pulley B could

latch

thumb

the

pulley B

the

bobbin

table,

8.

Installing the thread spool stand (Fog.

then

winder tighten

the

bobbin

pulley B with

be a

lever while

certain

A is

clearance

be in touch with belt

depressed, machine is in parallel with the it by two

winder

the

outside

is running. Make sure that

wood

of

between

thereby

screws D.

(Fig.6)

belt

C, and

them,

after

belt

slit E

so

the stop

drives

of

7)

I

6

e,~-

Locate the struct then

19.

!.Cleaning

Before rust contaminated The gasoline.

the

table.

Make

when

the

tighten

Operation

the

delivery, the machine parts are

preventive

grease

must

thread

the nut C.

spool

sure

that

machine

preparation

machine

grease,

by

dust

be

removed

stand at the right front

the spool stand

head is

which may be hardened and

during

turned

storage

by

clean

may

backward,

coated

and

shipment.

cloth with

not ob

of

with

2.Examination

Though strict parts transportation must

machine

obstruction, parts

abnmormal made

every

test

and

inspection

may

be loosed

with

be

performed

balance

noise.

accordingly

machine

wheel

collision,

If before

has

been

before

or

deformed

jolt. A thourough

after

clean to

check

uneven resistance or

these

exist,

run.

confirmed

delivery, the machine

after

long

examination

the

machine. Turn the

if

there

adjustment

by

is

running

must be

-3-

10.

Lubrication

(Fig.8)

Before dclivry, position in

twice

as

arrows

constant

use, the

for one running.

11. Trial run

When

the

machine

after

a long run the about

period

machine

30

minutes,

amount

show

machine

starts

of

time,

at the

then

oil

must

in

the

Fig.

should

for the intial time

lift

the

speed

of I 000-1500spm

raise

the

speed

be filled into the

If

the

machine

be

oiled

not less

or

reuse

presser

foot and

for

gradually.

is

9

Long groove

leftward

a

b

X

c

X

12.

Installing

Turn the highest the long

the

operator,

bottom

I to

set

Note:

Fig.b: Fig.c:

balance

position.

groove

then

of

the

needle

the

needle

Insufficient Wrong

the

wheel to

Loosen

of

the

fully

socket.

as Fig a.

insertion

needle

the

needle

insert

insertion

lift

the

needle

toward the

needle

Then

(Fig.9)

needle

set screw I, make

tighten

bar

to its

the left side

shank

to the

the

screw

of

-4-

13.

Coordination

The

needle thread direction is

with material bent, tight material Therefore, selected.

should from

three-eye plateD-thread thread thread

by

left

shown left-twisted; The

coarseness

the

nature

with a slim

skipped

woven

will

the

14.

Threading

When

threading

be

lifted to its

the

spool

Threading

thread

take-up

guide

materials

among

thread hand,

as

on the contrary, it is

of

ofmaterials.

or

broken.

be

destroyed

needle

needle,

should

twist

Fig.

needle

needle,

be

it by right

If

the

should

the

On the contrary,

with a very

with

and

thread

If

the needle

the

needle

highest

and

pass

it in the

order

as

guide

take-up

lever

!-needle

shown

G-upper

bar

in Fig: B-tension springE-upper

thread

left-twisted.

hand

thread

becomes

right-twisted.

be in

stitch

on heavy duty

needle

coarse

over-big

should

thread

thread, the

position,

order

instructed.

thread

disc

C-thread

thread

guide

J-needle

and

materials

Hold the

in the

tight,

it

accordance

will be

lead the thread

if

stitch on needle, needle

be

properly

(Fig.

needle

guide A-

guide F-

Flower

easily

the

hole.

II)

bar

control

K

1 1

15.

Adjusting

The

tension should should too as

!.Adjusting

according

take-up

A

tension

bobbin

be be

tight

or

shown

The

tension

I )Turn

lever

2)Remove

could

be

3)Turn of

4

)lfturn

thread

the

tension

of

bobbin

of

needle properly as

shown

too

in

Fig.l2.b,c. the

to

the

found in Fig;

the

bobbin

it

adjusted.

in

Fig.l2.1.

loose,

the

tension

of

bobbin

the

nature

balance

to its

the

screw A clockwise

counter

will be

wheel

highest

slide

thread;

clockwise,

plate,

decreased.

thread

Normal

abnormal

of

bobbin

thread

of

material:

by

position;

then

and

If

the

thread

could

hand

the

to

the

needle

thread

bobbin

stitch

tension

stitch

be

adjusted

to lift the

adjusting

increase

tension

thread

form

disc is

form

thread

the

of

(Fig.l2)

occurs

screw

-5-

12

OCD

X® X©

2.Adjusting

I

)Adjusting

Fig

(2) adjusted disc. Turn of

the

pressure

2)Adjusting Light Common

Heavy duty material

Adjusting

Loosen the

shaft

counter

contrary, to decrease the tension. Insert the screw

driver

turn

it

3)The

Thread

the

thread

the

(

3)

8mm standard

vibrating

Light

Common

Heavy duty material less

Adjusting

a.Loosen

b.Loosen the position screw

c.Turn the increase decrease

d.Tighten the position screw A.

the tension

the pressure

Generally, the tension

by

adjusting

the

nut A clockwise to

tension

into the until the required tension is

disc, on the contrary, to

of

tension disc.

the tension

duty material 20g

material 25g

method: as shown in

nut

A, turn

clockwise to increase

slit

vibrating

take-up spring

take-up

range

duty material over

material around 8mm

method: as shown in

the

presser

position

the

vibrating

the

vibrating

of

needle

of

tension

of

the

pressure

of

take-up

30g

Fig(3):

the

thread

of

the thread

range

of

must

lever is lifted to its

of

it

should

foot

plate B

range, on

range;

the

be

than

lever;

counter

take-up

thread

be

8mm

Fig.(4)

A;

thread

disc: as shown in

needle

increase

able

the

thread is

of

adjusting

the pressure

decrease

spring:

take-up

the

tension. on

spring

obtained.

take-up

to vibrate. When

highest

as

follows:

8mm

clockwise

contrary, to

tension

the

spring

the

shaft,

spring:

position.

to

13

CD

®

( 4 )

16.

Winding

The

wound

If

not,

adjust

stud

thumb

A.

If

the

thread

the

screw

the

thread (2); move the to

one

Note:

with

light

deformed

The

of

the

adjusted

nut

wound bobbin is not neat,

guide

C first, then move the

is wound to one

side

as

Nylon

tension. or

optimum

outside

by

adjusting

adjustment(Fig.13)

bobbin thread

the thread tension by

of

the

bobbin

bracket

shown

broken.

diameter

in Fig. I 3

or

polyester

Otherwise

capacity

should

winder

B. When

side

leftward

thread

ofthread

of

bobbin.

screw

E.

bracket

as

if

.( 3 ).

the

be neat and tight.

turning

adjust

adjusting,

shown

the

should

bobbin

will

and

the tension

tension

it by

rightward

in Fig. I 3.

thread

is wound

be wound

D might be

fill

about

this can be

bracket

loosen

moving

if

80%

-6-

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