ZOJE ZJW663A User manual

-1-
Safety instruction
Machine specification
Installing the sewing machine
Lubrication
Threading
Adjusting the thread tension
Adjusting the presser foot pressure
Adjusting the differential feed ratio
Adjusting the stitch rength
Checking and replacing the oil filter
Replacing the needle
Replacing the oil
Cleaning the machine
1 1
1 5
1 7
1 9
Troubleshooting
INSTRUCTION MANUAL
2
2 1 Machine bed frame
PARTS LIST
2 2 Crank shaft drive mechanism
Arm shaft drive mechanism
Needle bar guard mechanism/
Looper drive mechanism
2 7
2 8
2 9
2 10
2 11
2 12
2 13.
2 14
Feede mechanism
Presser foot mechanism
Spreader mechanism
Thread tension mechanism
Needle&spreader thread handling
Looper thread handling
Lubrication mechanism
HR device
Thread stand
2
4
5
15
16
15
14
14
13
12
13
12
8
9
20
26
48
46
44
42
40
34
32
30
28
56
54
50
2 15 Machine accessorise
2 16 ESDD motor structure
58
60
2 17 19. - .一体机专用件 Integrated machine specific parts 62-67
2 20 Gauge parts list. .针位互换清单 68

1.1. Safety Instructions（ ）
to assure that machine and operator are able to perform the task.
Before starting the machine in full running, a test must be conducted
seek medical
help immediately.
plenty oficy water with
a generous amount of cold water.
In case o ngestionfi
In case oflubricant oil contact with
the eyes or skin, washed the surface with
Replacing the needle, presser
foot, throat plate, feed dog and
sliding plate.
9.,,。
10.,。
The machine should not be placed next to a sound source as an ultra-
sonic welding machine and other equipment.
For your safety, goggles must be
used running the machine.
Turn off or unplug the machine
when the following situations arise:
W nance.hen the machine is in mainte
W nning the machinehen the operator is not ru
Maintenance and repair on electric
equipment should only be made
by qualified personnel.
If any elec
tric device is damaged, the machine
should be immediately stopped.
T atedhe machine should only be oper
by properly trained personnel.
The machine should not be run
without its safety devices.
Before running the machine, make
sure all relevant safety specifications
are adequate to specifications and technical standards in your country.
1.，。
2.。
3.。
4.,。
5.,:
a. 、、、；
b.；
c.。
6.、,
，,。
7.、、。
Repair, fitting or maintenance should only be performed by properly trained
personnel
8.，，
。
-2-

1.1. Safety Instructions（ ）
14.,。
The machine should only be run with the proper electric cable and connectors,
and also the adequate grounding.
15.,。
The machine should only be used to sew materials as indicated in its instruction
manual, and indications ofuse should be followed.
16.,。
Singer will not be held responsible for any damage caused by unauthorized changes
in the products.
-3-

Machine Speed
[spm]
Motor Pulley Diameter [mm]
50 Hz 60 Hz
6,000 125 105
5,500 115 95
5,000 105 85
4,500 95 80
4,000 85
1/2HP 2-pole (high speed)
clutch motor
Motor pulley diameter
70
-（）13/5
Table 1 – Machine Speci cation (3 Needles / 5 Threads) with Clutch Motorfi
Model
Needle
Gauge
[mm]
Stitch
Length
[mm]
Differential
Rate
Presser
Foot Lift
[mm] Needle Cat
Speed
[spm] Application Attachment
Device
356
5.6 6,000
Knitting material,
able to adorn
two-sides
1. Plain seaming
2. Seam covering
3. Bottom hemming
6.4 4.4 0.5 ~ 1.3 5.0
Table – Machine Speci cation (3 Needles / 5 Threads) with Motor2 ESDDfi
1.2. Machine Speci cation fi
-（）23/5
364
（）
。



[mm] [mm] [mm]  [spm]
5.6 6,000
1. 
2. 
3. 
364-BD
6.4 4.4 0.5 ~ 1.3 5.0




 

356-BD




-4-
Model
Needle
Gauge
[mm]
Stitch
Length
[mm]
Differential
Rate
Presser
Foot Lift
[mm] Needle Cat
Speed
[spm] Application Attachment
Device
356-BD
5.6 6,000
Knitting material,
able to adorn
two-sides
1. Plain seaming
2. Seam covering
3. Bottom hemming
6.4 4.4 0.5 ~ 1.3 5.0
364-BD

[mm] [mm] [mm]  [spm]
5.6 6,000
1. 
2. 
3. 
364
6.4 4.4 0.5 ~ 1.3 5.0




 

356




11#
11#
11#
11#

-5-
1.3. (Installing the sewing machine)
Table Cut-Out
Drawing,
Figure 1A
D
,
Clutch Motor


-6-
1.3. (Installing the sewing machine)
For ESDD
Figure 1B
D
Table Cut-Out Drawing,
,
Motor only

Figure 3 Figure 4
Connect the machine handwheelto the clutch motor with the v-belt. Adjust the
that it can be about 20 mm bent inward when you press
the middle of it and make sure the
motor turning direction is clockwise,
as shown
Install the belt cover according to .Figure 4
Assemble the machine support
components in Figure 2.
Install the control box ‘A’ by
screw 'B', and the pedal con-
troller ‘C’ by screw 'D'.
For ESDD motor
A
B
C
D
1.3. (Installing the sewing machine)
。2
 。 ,,VV
, ,。20mm 3
 。4
tension of the v-belt so
on Figure 3.
Figure 2

 AB
CD  。
-7-


Figure 8
H
L
OK! Operating
H L。
L，。
After filing the oil pan ,the oil surface
should lie between (H) and (L) lines. Add
oil when the oil surface reaches or goes
below (L). as shown on figure 5

，
。2-3 。
Apply 2 or 3 drops ofoilbyhand
when the machine is used for the
first time or has been left unused
For some time.
，
HR 。
Fill the HR device with oil before it
Is too low in order to prevent needle
Thread breakage and fabric damage
，。
Checkifthe oil is circulating
properly by observing the oil
sight window.as shown on figure 7.
Figure 5
Figure 7
Figure 6
1.4. Before operating Lubrication（ ） ( )
-8-
ab
c
d

Open the eye guard and the covers.
Knot the preset and the new thread
together to thread the machine.
Replace the looper thread take-up
after the machine threading.
Press down the lever, as indicated in Figure 14.
The looper thread take-up comesout.
Figure 9
Figure 11
Figure 10
Figure 12
Refer to the sewing type you need forcorrect threading. Any incorrect threading
may cause thread brake, uneven stitches or skip stitches.
,。
：。、。
CAUTION:
,,。10
12
。
3
4
。
1.5. Before operating Threading（ ） ( )
-9-

Trim off the knots neatly before
passing through the eye of the needle to thread.
Trim off the knots neatly after passing
through the eye of the loopers.
Figure13
,。,
，。
5
 ,, 。14
Be sure to thread the machine, correctly by referring to the threading
diagram, as shown on figure14.
6
a
b
cd
Figure14
-10-

For standard threading, follow the
solid lines of Figure 1 .5
For more stretchable thread, follow
the dashed lines indicated by ‘A’.
For more stretchable thread, adjust
as Figur (a).17 right
For less stretchable thread, adjust
thread the guide by referring to line
‘B’. If the top cover thread is still
too loose, then thread the guide by
referring to line ‘C’, according to
Figure .16
If the top cover thread is too tight,
thread the guide by referring to the
line ‘D’.
For standard threading, follow the
solid line of Figure .18
For more stretchable thread, follow
the dashed line indicated by ‘E’.
Figure15
Figure 16
Figure 17
Figure 18
ab
, 。15
, A。
a
, B.
, , 。C16
， 。D
b
, ( )。16 a
, （ 。16 b)
as Figur 17 left a().
b
c
, 。18
 。E
d
If the top cover thread is too loose
-11-

lated to Figures .19
Knob 1: Control the needles thread
Knob 2: Controls the top cover thread
Knob 3: Controls the looper thread
To loosen
1
2
3
The following adjustments are re-
 ：19
 :1
 : 2
 :3
1 6 (Adjusting the thread tension). .


1 7 (Adjusting the presser foot pressure). .
to tighten
Figure 19
Loosen adjust nut
“1”and turn adjusting
and turn to adjust the
pressure. It should be as
possible to be sufficient to obtain
proper stitch formation.
1
2
Heavy
Light
nut 2 20“ ”of Figure
presser foot
light as
“ ”1
“ ” 。220
,
。

Figure 20
-12-

The differential feed ratio is the ratio
of movements between the main
feed dog and diffe-
When the movement of main feed dog is bigger than the differential
feed dog, the fabric is stretched at
sewing. therwise the fabric willoshrink.
Loosen nut‘1’
of Figure
move the lever ‘2’
up or down to
obtain the correct differential ratio.
To stretch
To shrink
1 8 (Adjusting the differential feed ratio). .
。
,,。
‘ ’121
,‘ ’ 2
。‘ ’。1


1 9 (Adjusting the stitch rength). .
Fine
Loosen adjusting nut‘1’ and turn ad-
justing screw‘2’ to adjust the stitch
length as indicated in Figure
26.
,‘ ’，1
‘ ’。2
:
。
NOTE: The stitch length
must be made only after the differe-
is adjusted.
adjustment
ntial feed ratio
‘’and21
Coarse


Figure 21
Figure 22
rential feed dog.
-13-

This machine has an oil filter (figure10)
which should be cleaned every
month or replaced by a new one
Figure 24
:Do not remove
completely the screw.
Note
OK! OK!
Wrong Wrong
Scarf
1 10 (Checking and replacing the oil filter). .
whenever is necessary.
 ，23
。
。
Figure 23
1 11 (Replacing the needle)..
,
,。

 “
Check the needle carefully to see
that the scarf is turned to the rear
of the machine. Insert the needle
to the proper depth, and fasten
securely. Be sure to use standard
needle. Refer to the following adj-
ustment dimensions
Needle Gauge
Size (mm)
5.6 7.5 3.5 ~ 3.8 7.5 ~ 7.9 17.0 0.8 ~ 1.2
6.4 7.1 3.1 ~ 3.4 7.5 ~ 7.9 17.0 0.8 ~ 1.2

:
()。
Be sure to use the red-han-
dled hex driver packaged in
the accessory box.
 Adjustment dimensions

()
-14-
。
 。”

To preserve the machine, change
the oil after the new machine has
been operating over four weeks. Af-
ter that, the oil should be changed
every six months.To replace the oil,
simply remove the screw indicated
on Figure 9. After the oil is drained,
reattach the screw and the ma-
chine with new oil.
Figure 25
1.12. (Replacing the oil)
,。
，,
, 。25
,。
Clean the needle plate and feed
rows slots periodically, as shown
on Figure .26
1.13. (Cleaning the machine )
Figure 26
 。26
fill
-15-

1.14 Troubleshooting.
  

1.
2. 2.
3. 3.
4. 4.
5. 5.
6. 6.

1. 1.
2. 2.
3. 3.
4.
4.
5. 5.
6. 6.
7. 7.
8. 8.,
9. 9.
10.,, 10.
,
1. 1.
2. 2.
3. 3.
4. 4.
5. 5.
6.
7.
7.
6.
-16-
1.


1.
2.
3.
4.
5.
1.
2.
3.
4.
5.
1.
2.
3.
4.
5.
6.
7.
8.

1.
2.
3.
4.\
5.,
6.
7.
8.



1.14 Troubleshooting.
-17-
  
 

 
 \


 
 
1.
2.
3.
4.
5.
6.
7.
1.
2.
3.
4.
5.
6.
7.





 
 
 
 
, ,
 
1.
2.
3.
4.
5.
6.
7.
1.
2.
3.
4.
5.
6.
7.
8. 8.

1.14 Troubleshooting.
-18-
Problems
Possible Causes
Possible Solutions
Needle
1.
Needle is installed wrong
1.
Install needle correctly
2.
Wrong needle type or size
2.
Use proper needle for fabric and thread
3.
Needle is bended
3.
Change the needle
4.
Wrong relation with needle guards
4.
Readjust the needle guard
5.
Wrong relation with looper
5.
Readjust the looper
6.
Needle doesn?t center the needle slot of
needle plate or presser foot
6.
Readjust the needle plate or presser foot
Thread
1. Lo
w quality thread
1.
Change the thread
2.
Thread is thicker than needle hole
2.
Use proper needle for fabric and thread
3.
Wrong threading
3.
Rethread the machine correctly
4.
Thread tension is too strong
4.
Readjust the thread tension unit
5.
Needle is installed wrong
5.
Install needle correctly
6.
Thread stand installed wrong
6.
Install thread stand correctly
7.
Overheat of the needle
7.
Fill in the silicon oil and/or readjust the
8.
Thread disc or guide is burred
8.
Grind off, polish or replace by a new part
9.
Wrong relation of needle and looper
9.
Readjust needle and looper relation
10.
Needle, looper, needle plate and guide are
10.
Grind off, polish or replace by a new part
Skip
1.
Wrong relation of needle and looper
1.
Readjust needle and looper
2.
Wrong threading
2.
Rethread the machine correctly
3.
Needle is installed wrong
3.
Install needle correctly
4.
Inadequate thread tension
4.
Readjust the thread tension nuts
5.
Looper point is damaged
5.
Replace by a new part
6.
Needle is bended
6.
Change the needle
7.
Wrong installation of needle guard
7.
Install needle guard correctly
break
break
stitches
Loosen
1.
1.
Rethread the machine correctly
2.
2.
Use proper needle for fabric and thread
3.
3.
Readjust the thread tension unit
4.
Needle thread is not lubricated
4.
Fill in the silicon oil
5.
Wrong setting of needle and loopers
5.
Readjust needle and loopers
Uneven
1.
Wrong threading
1.
Rethread the machine correctly
2.
Thread stand installed wrong
2.
Install thread stand correctly
3.
Lo
wer knife installed wrong
3.
Install l
ow
er knife correctly
4.
Knives do not trim neatly
4.
Readjust knife and/or sharpen or replace it
5.
Thread disc or guide is burred
5.
Grind off, polish or replace by a new part
6.
Needle point is damaged
6.
Change the needle
7.
Inadequate height of feed dog
7.
Readjust the feed dogs
8.
Inadequate thread tension
8.
Readjust the thread tension unit
stitches
stitches
Inadequate thread tension
burred
needle guard
Wrong threading
Thread is thicker than needle hole

4.Knives do not trim neatly
Thread chain
does not come
out smoothly
1.Presser foot installed wrong
1.
Reinstall presser foot correctly
Inadequate timing of looper thread
2.
Readjust looper thread cam
3.
Double chain looper installed wrong
3.
Reinstall double chain looper correctly
4.
Wrong threading
4.
Rethread the machine correctly
5.
Inadequate thread tension
5.
Readjust the thread tension unit
Wrong relation between needle and
6.
Readjust needle and looper
Needle plate, thread disc or presser foot
7.
Grind off, polish or replace by a
8.
Thread tension disc is rough
8.
Polish thread tension disc
1.14 Troubleshooting.
-19-
Problems
Possible Causes
Possible Solutions
1.Thread tension is too strong
2.Inadequate pressure of presser foot
3.Inadequate height of feed dog
5.Differential feed is not matched
6.Needle is too thick
7.Seam width is too narrow against
the chain-off ngerfi
1.Readjust the thread tension unit
2.Readjust presser foot pressure
3.Readjust the feed dogs
4.Readjust knife and/or sharpen or
5.Readjust differential feed ratio
6.Use proper needle for fabric and thread
7.Readjust seam width or replace
chain-off nger
fi
replace it
Wrinkled
stitches
cam
2.
looper
6.
are burred
7.
new part

21.（ ）A Machine bed frame(A)
4
5
4
7
21
8
18
9
9
10
11
12
1
13
19
6
3
20
2
16
14
15
22
17
-20-