Zoje ZJ900 User Manual

ZJ900

SUPER HIGH-SPEED OVERLOCK SEWING MACHINE

ZOJE SEWING MACHINE CO., LTD.

:

ADD: DAMAIYU ZONE,YUHUAN,ZHEJIANG, 317604 CHINA

: TEL: [phone]

OPERATION MANUAL
PARTS BOOK

ZOJE SEWING MACHINE CO., LTD.

ZJ900

SUPER HIGH-SPEED OVERLOCK SEWING MACHINE

ZOJE SEWING MACHINE CO., LTD.

:

ADD: DAMAIYU ZONE,YUHUAN,ZHEJIANG, 317604 CHINA

: TEL: [phone]

OPERATION MANUAL
PARTS BOOK

ZOJE SEWING MACHINE CO., LTD.

CONTENTS

BEFORE OPERATING

Schematic diagram of the machine table

Lubrication

Manual lubrication

Filling the HR device with silicon oil

Threading

TEST SEWING

Presser foot pressure

Diff.feed ratio

PAGE

1

2

3

4

5

6

7

Stitch length

Thread tension

MAINTENANCE DURING
USE

Cleaning the machine

Replacing the needle

Checking the oil circulation

Checking and replacing the oil filter

Checking the oil

Replacing the lower knife

8

9

PAGE

10

11

12

13

14

15

-31--30-

6

7

CAUTION

OBSERVE THESE SAFETY PRECAUTIONS

Though Pegasus takes the utmost care to
produce safe sewing machines and devices,
operstors should follow these basic safety
rules.

To prevent accidents,do not remove safety
devices or parts while operating the
machine.

Do not leave tools or other unnecessary
objects on the machine table while
operating the machine.

Before maintenance,adjusting,cleaning,
threading or replacing the needle,and to
prevent accidents,be sure the power is
turned off.Check that the machine will not
operate when the pedal is pressed.

Note

lncase a clutch type motor is used,it will
keep on rotating by inertia after turning
off power supply. lf the machine pedal

is stepped on inadvertently,it is
dangerous because the machine will move
unexpectedly.keep on stepping on the
pedal until the machine comes to a stop
after tuming off power supply.

Tum the power off before leaving the

machine table.

In the event of a power failure,be sure to

tum the machine off.

H

Check that the machine is securely

grounded.

-29-

-32-

24

23

22

21

20

19

16

18

14

17

15

932 GAUGE PARTS LIST

Cut the table refeming to the diagram.

932 GAUGE PARTS LIST

55

70

80

86.3

115

Standard dimention

...........................................306mm

EFKA QUICK .......................334mm

Notes

Dimension for motors in Jopan....................................306mm

Dimension for EFK motor.............................................334mm

-60-

-33--28-

-1-

After filling the oil pan ,the top of the indicator

should lie between (H)and(L) lines.
Add oil, when the oil level indicator reaches or

goes below(L).

ocite oil NO.18

Mobil vel

932 ±ê×¼Áã¼þ±í

952 GAUGE PARTS LIST

952 GAUGE PARTS LIST

-2-

-59-

-34- -27-

Apply 2 or 3 drops of oil by hand when the

machine is used for the first time or has been
left unused for some time.

18 #

Mobil velocite oil No.18

-58-

-3-

-26- -35-

14

Fill the HR device with oil before it is too low in

order to prevent needle thread breakage and
fabric damage.

Note:Use Pegasus recommended silicon oil.
UNION CARBIDE CORPORATION
UCC L-45(10)

-4-

-57-

-25--36-

18

Needle thread

Trim the knots off neatly
before passing through
the eye of the needle to
rethread.

Open three covers.
Sewing the presser foot aside.

Knot the preset thread and the
thread being used together to
thread the machine.

Looper thread
Trim the knots off neatly
after passing through the
eye of the looper

-5--56-

Make sure the machine is
threaded correctly by referring
to the threading diagram.

Threadlng diagram

-37-

-24-

Light

Loosen sdjusting nut and turn adjusting nut

to adjust the presser foot pressure. Is should
be as light as possible.yet be sufficient to
obtain the proper stitch formation.

Heavy

18

18

-6-

-23--38-

-55-

Loosen the adjusting nut and tum the

adjusting nut to adjust the dlfferentlal
feed ratio.

-54-

To shrink

To stretch

-7-

-39--22-

31

33

32

34

While pressing the push button , turn the hang-

wheel to seek the position at which the push
button goes further into the depth.

Then, keeping the push button pressed,
turn the handwheel and set the desired
scale to the aligning mark.

Ailgning Mark

Coarse

Note: Stitch length adjustment must only be
made after the differential feed ratio
has been changed.

Push Button

Flne

Handwheel

-8-

-53-

-21--40-

Make tension adjustments with the needle

thread knob the upper looper knob
and the lower looper knob .

To tighten

To loosen

-52-

-9-

-20- -41-

Mainly the slots of the needle plate and the

feed rows should be cleaned.

-10-

-51-

-19--42-

* Check the needle carefully to see that the

scarf is turded to the rear of the machine.
* Insert the needle to the proper depth,and

fasten securely.

Standard needle:Organ DC 27
E3200H 5200Hseries:Organ Dc 27

Scarf

-50-

-11-

-18- -43-

Operating

-12-

-17--44-

-49-

Check and replace the oil filter every six

months.

-13--48-

-16- -45-

Replacing the oil one month after the firstuse

and every six months thereafter.(See p 2.)

Lower knife

plate
of the needleA
Top surface

-14- -47-

-15--46-

Chek cutting action of knife

Level of A Level of B

the lower knife B
Cuttung edge of

(See the right figure.)
Insert the lower knife

Tighten the screw.

holder slide to the right.
makes the lower knife
Loosening the screw

Tighten the screw.

Upper knife

drawing on the right figure.
Thin the hand wheel as the

To replace the lower knife

knife holder to the left.
after sliding the lower
Temporarily screw

Remove the lower k

Loosen the screw.

Loosen the screw.

the lower knife
Correct angles to resharpen

To remove the lower knife