HIGHLEAD GM700 Series User manual

HIGH

LEAD

GM700 Series

Purchasing

Dept

Copy

HIGH-SPEED

OVERLOCK

SEWING MACHINE

Instruction

Manual

Parts

Catalog

SHANGHAI

HlllGONG

N0.3

SE,VING

MACHINE

FACTORY

INTRODUCTION

Thank

you

very

much

for

purchasing

700

Series

machine.

This

instruction

manual

describes

daily

routine

maintenance

and

safety

precautions

to keep

the

machine

the

best

possible

conditions.

Please

study

this

manual very

carefully

before

operating

the

machine.

CHUTION

OBSERVE

THESE

SAFETY

PRECAUTIONS

Though

Pegasus

takes

the

utmost

care

produce

safe

sewing

machines

and

devices,

operators

should

these

basic

safety

rules.

• To

prevent

accidents,

not

remove

safety

devices

parts

while

operating

the

machine.

• Do not leave tools

other

unnecessary

objects

on the

machine

table

while

operating

the

machine.

Before

maintenance,

adjusting,

cleaning,

threading

replacing

the needle,

and

prevent

accidents,

be sure the

power

turned

off,

Check

that

the

machine

will

not

operate

when

the

pedal is

pressed.

NOTE

case a crutch type motor

used,

will keep on rotating by inertia after turning

off

power supply

CD.

If the machine pedal ®

stepped on inadvertently,

dangerous because the machine will move

unexpectedly. Keep

stepping on the machine pedal

(2.)

until the machine comes to a stop after turning

off

power supply

CD.

~.--1~~~)

' .

....__

• Turn

the

power

off

before

leaving

the

machine

table.

the

event

power

failure, be

sure

to turn the

machine

off.

Check

that the machine

securely

grounded.

CONTENTS

•

BEFORE

OPERATING

l . Schematic diagram

the machine table

.....•••....•.•.............•••.....•..........

Installing the machine head

..••.••........••....•.•......•............•.....•......

The machine speed and the turning direction

..........•................................

4. Lubrication

.•...................................................................

Manual lubrication

••........•.......••....................•....................•.

6. Filling the HR device with silicon oil

.....................................••.........

7. Threading

.....•.........................................

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

•

TEST

SEWING

l . Adjusting the presser foot pressure

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

Adjusting the diff. feed ratio

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

Adjusting the stitch length

......•.................................................

4. Adjusting the thread tension

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

• MAINTENANCE DURING USE

l . Cleaning the machine

...•.......................................................

Replacing the needle

...............•............................................

Checking the oil circulation

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

;

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

4. Replacing the oil

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

5. Replacing the lower knife

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

6. Adjusting dimensions

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

7. Standard needle Comparison table

equivalent sizes

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

• PARTS CATALOG

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

18-25

Ill

BEFORE

OPERATING

Schematic diagram

the machine

table

Cut

the table referring to the diagram

Note

------(525)----------

----See

Notec-------as-

.-------294-----

r------

262-----i

---236----

Right

side

48 _

__.

___

,.__

75_..

,_A

~-----

----r--t---t----

------·-------

--- -

--,--~-------

L---------"----------1--1------------

Left side

30--28

----183---

----210----1

Standard dimention

----234-----

Section A-A ( X

Section

8-8

( X

I l

Dimension

for motors

Japan

............................•......

306mm

Dimension

for

Efka

motor

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

334mm

- l -

BEFORE

OPERATING

Installing the machine head

1. Mount the machine head on the machine rest board.

2. Install ground wire at PE.

Adjust the tension

the belt so that it can be about 2cm bent inward when you press the middle

it.

Adjust the height

the motor to do this.

4. Install the belt cover referring to the Figure.

2cm

2 -

1111

BEFORE

OPERATING

The machine speed and the turning direction

The machine rotates clockwise when seen from the machine pulley side.

~·

Make sure your machine type and run it not

exceeding the maximum speed as listed

the table.

Machine model

The

highest

speed(r.

GM700-508 6, 500

GM700-5

500

GM700-507

500

GM700-504

500

GM700-502 5, 500

GM700-302

000

GM700-4

500

GM700-304 6, 000

GM700-3 I 7, 000

BEFORE

OPERATING

Lubrication

After filling the oil pan, the oil surface should lie between (H) and (L) lines.

Add oil when the oil surface reaches or goes below (L).

Note : Use recommended oil (HIGH SPEED SEWING MACHINE OIL) (ISO VG22)

-4-

Ill

BEFORE

OPERATING

Manual lubrication

Apply 2 or 3 drops

oil by hand when the machine

used for the first time

has been left unused for some

time.

Note : Use recommended oil (HIGH SPEED SEWING MACHINE OIL) (ISO VG22)

HIGH SPEED SEWING MACHINE OIL

• BEFORE

OPERATING

Filling the HR device.with silicon oil

Fill the HR device with oil before it is too low in order to prevent needle thread breakage and fabric

damage.

Note : Use recommended silicon oil

-6-

Table of contents

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