JUKI ASN-690 User manual

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ENGLISH
ASN-690
INSTRUCTION MANUAL

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CONTENTS
1. CONFIGURATION OF THE MACHINE ...................................................... 1
2. SPECIFICATIONS....................................................................................... 2
3. INSTALLATION........................................................................................... 3
3-1. Removing packing materials ............................................................................................................3
3-2. Securing the machine........................................................................................................................ 3
3-3. Installing the dust collector ..............................................................................................................4
3-4. Installing the stacker .........................................................................................................................5
3-5. Installing the stacker cloth guide .....................................................................................................6
3-6. Installing the cloth plate and the cloth guide unit ..........................................................................7
3-7. Installing the thread stand ................................................................................................................8
3-8. Installing the regulator ......................................................................................................................8
3-9. Connecting the air coupler................................................................................................................ 9
3-10. Connecting the starting pedal for the machine............................................................................. 9
3-11. Joining the sub-table (only for the long table type).................................................................... 10
3-12. Connecting the power plug........................................................................................................... 12
3-13. Installing the cloth receiving board (KM-5) (optional) ................................................................13
3-14. Installing the 3-pedal unit (PK-79) (optional)...............................................................................14
4. PREPARATION......................................................................................... 15
4-1. Caution before operation ................................................................................................................15
4-2. Lubrication........................................................................................................................................ 15
4-3. Threading the machine.................................................................................................................... 16
4-4. Adjusting the pressure of the presser foot and removing the presser foot............................... 17
4-5. Adjusting the stitch length..............................................................................................................17
4-6. Differential feed mechanism ...........................................................................................................18
5. OPERATION ............................................................................................. 19
5-1. Sewing procedure ............................................................................................................................19
5-2. Explanation of the operation panel ................................................................................................22
5-3. Description of the pedals and the switches on the machine head .............................................23
5-4. List of functions to be set ...............................................................................................................24
5-5. Details of selected functions ..........................................................................................................25
5-6. Other settings................................................................................................................................... 28
5-7. Initialization of the setting data ......................................................................................................28
6. ADJUSTMENT .......................................................................................... 29
6-1. Stacker support board adjustment................................................................................................. 29
6-2. Adjusting the position of the thread trimmer presser ..................................................................30
6-3. Adjusting the air blow......................................................................................................................30
6-4. Adjusting the edge guide ................................................................................................................31
6-5. Adjusting the cloth guide ................................................................................................................32
6-6. Regulator adjustment ......................................................................................................................32
6-7. Adjusting the cloth chip suction force...........................................................................................33
6-8. Adjusting the sensors......................................................................................................................34

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7. MAINTENANCE........................................................................................ 37
7-1. Adjusting the knife...........................................................................................................................37
7-2. Cleaning the machine head............................................................................................................. 37
7-3. Checking the cartridge lter and replacing it................................................................................ 38
7-4. Changing the machine oil ...............................................................................................................38
7-5. Changing needles ............................................................................................................................39
7-6. Drainage of lter regulator ..............................................................................................................39
7-7. Cautions for the compressed air supply (source of supply air) facility .....................................40
7-8. Dust collector box............................................................................................................................ 41
7-9. Cleaning the sensor......................................................................................................................... 41
7-10. Consumable parts to be replaced ................................................................................................42
7-11. Replacing the fuse .........................................................................................................................43
7-12. Adjusting the belt tension .............................................................................................................44
7-13. Destination of connection for input/output connectors.............................................................45
7-14. Error codes .....................................................................................................................................46
7-15. Error code list................................................................................................................................. 47

– 1 –
1. CONFIGURATION OF THE MACHINE
The machine consists of the following 18 sections and units :
AMain body structural mechanism section
(table stand, machine support and sewing table
covers)
BStacker unit
CSub-table
DCloth plate
ESewing machine head
FCloth guide
GControl box
HSewing machine motor
IStart switch for the stacker
JStacker cloth guide
KSide cutter
LDust collector
MPneumatic controller
NPower switch
OStarting pedal for the sewing machine
PThread trimmer presser
QCloth feeding air blow
RPause switch
A
B
C
D
O
E
G
N
Q
H
J
K
M
L
F
I
R
P

– 2 –
2. SPECIFICATIONS
1 Machine head MO-6904S 1-needle overlock machine
2 Sewing speed Max. 8,000 sti/min※1
3 Stitch system JIS E13 (USA standard : 504)
4 Stitch length 0.8 to 4mm
5 Overedging width 4.0mm (E), 4.8mm (F), 5.6mm (G)
6 Needle ORGAN DC x 27 #9 to #14 (Standard : #11)
7 Thread Spun thread #60 (recommended)
8 Chain-off thread
cutter
Pneumatic side cutter
9 Presser foot lift Max. 7 mm (for the machine provided with AK-139)
10 Differential feed
ratio
Gathering 1 : 2 (max. 1 : 4), stretching 1 : 0.7 (max. 1 : 0.6)
11 Sewing specica-
tions
A Cutting curve
B Material size
C Number of plies of material
... In-curve R200 or more
... Out-curve R300 or more
... 400 mm or less (width), 650 mm or more (length)
… Limited to one
12 Number of
pieces that can
be stacked
70 (slacks)
13 Power consump-
tion
590VA or less (operating rate 50 %)
14 Pneumatic pres-
sure
0.5MPa
15 Air consumption 250dm3/min(ANR)
16 Lubricating oil JUKI MACHINE OIL 18
17 Dimensions Type Width Length Height
Short table type 790mm 575mm
(875mm※2 )
880mm
Long table type 1500mm
(1800mm※2 )
790mm 880mm
18 Mass of the ma-
chine
Short table type : 110kg
Long table type : 160kg
19 Noise Declaration
- Equivalent continuous emission sound pressure level (LpA) at the workstation :
A-weighted value of 90.5 dB; (Includes KpA = 2.5 dB); according to ISO 10821- C.6.3
-ISO 11204 GR2 at 8,000 sti/min.
- Sound power level (LWA) ;
A-weighted value of 94.0 dB; (Includes KpA = 2.5 dB); according to ISO 10821- C.6.3
-ISO 11204 GR2 at 8,000 sti/min.
※1 "sti/min" is an abbreviation for "stitches per minute."
※2 Machine dimensions including the stacker

– 3 –
3. INSTALLATION
3-1. Removing packing materials
Remove the string which secures
the power cable.
Remove the tape which secures
the cloth plate.
Remove the string which secures
the hose.
3-2. Securing the machine
1
CAUTION :
To avoid possible personal injuries, be sure to move the machine to a level and stable place and lock
casters 1.

– 4 –
3-3. Installing the dust collector
1) Plug the lings blowing hose 2and the chain-
off thread blowing hose 3into the dust collec-
tion box 1.
2) Install lter 4so that it completely covers the
top of the box.
Install the dust collection box 1to the rear of the
main unit, as shown in the gure.
(Conguration position differs depending upon speci-
cation.)
Short table type
Long table type
When dumping dust from the dust collec-
tion box, also clean up lter 4.
Conrm that the hose mounting bracket 5
is completely tightened (the same for other
mounting hardware). Note that the noise
mufer 6is optional.
1
5
6
1
2
3
4
5
If the dust collector is not securely in-
stalled, blown-out dust or lint can get in
eyes, resulting in personal injury.

– 5 –
3-4. Installing the stacker
1) Install the stacker unit on the base with screws
1and washers 2(at two locations each).
2) Adjust adjusting bolt 3to make the support rod
of the stacker parallel to the installing plane.
3) Connect air tube 4to joint 5and air tube 6to
joint 7in numerical order.
12
3
7
5
6
4
CAUTION :
Be sure to carry out installation of the stacker by two or more workers in order to protect against
accidents caused by the stacker unit when it accidentally falls.

– 6 –
3-5. Installing the stacker cloth guide
Installing stacker cloth guide 1on the guide base
with hand screw 2and washer 3.
1
3
2
Material feeding direction
4
Adjust the orientation of the cloth guide according to
the clamping position at the stacker unit 4.
1

– 7 –
3-6. Installing the cloth plate and the cloth guide unit
1) Place the cloth plate on the sewing machine
table.
2) Put the slots (at two locations) in the cloth guide
unit as illustrated in the gure over two studs 1
(at two locations) of the cloth plate over. Fix the
studs 1with washer 3and thumb screws 2.
3) Connect air tube 4to joint 5.
Installing position
1
Cloth plate
5
4
Cloth guide unit
2
2
3
3