JUKI Jtron JTR-KM3680N/WSU Series User manual

Waistband Sewing Unit (Double Chainstitch)
INSTRUCTION MANUAL
No.JTR000
JTR-KM3680N/WSU Series
KM3680NWSU-TM

1)
2)
3)
4)
5)
6)
7)
8)
CAUSES AND COUNTERMEASURES
ADJUSTMENT
CONTENTS
CONFIGURATION OF THE MACHINE
LIST OF PATTERN DATA
SPECIFICATION
INSTALLATION
PREPERATION FOR OPERATION
PANEL

1)
❶ ❽
❷ ❾
❸ ❿
❹ ⓫
❺ ⓬
❻ ⓭
❼
MACHINE HEAD
PANEL
MAIN SWITCH
CONTROL BOX
MOTOR GROUP
THREAD STAND
PEDAL SET
THREAD TENSION GROUP
AIR BLOWING GROUP
CHASSIS
SEWING AND FOOT GROUP
PULLER GROUP
UPPER PULLER GROUP
CONFIGURATION OF THE MACHINE

2)
No.
1
2
3
4
5
6
7
8
9
10 FABRIC CUTTNG SYSTEM
11 SEWING SPECIFICATIONS
12
13
14
15
16
17
18
SPECIFICATION
3200sti/min DELIVERY SPEED : 2800sti/min
Min : 1,5mm Max: 3,5mm
GB TV-5 #21 x 4 needles
K/S DLR-1509P
CAPACITY
1700 to 2500 PCS/9 HOURS
MODEL NAME
Category
DAILY PIECE COUNTER
YES
Waistband Attachment
GAUGE
MAXIMUM SEWING SPEED
THIN TO MEDIUM THICKNESS
PLC CONTROLLED FABRIC CUTTING SYSTEM
JTRON GAUGE(1/2 - 3/8 - 1/4 - 1/8)
MIN: 0.6 MPa MAX: 0.8 MPa Standard: 0.6 Mpa
40 L/CYCLE
AIR PRESSURE
AIR CONSUMPTION
JTR-KM3680N-WSU
MACHINE HEAD
MAIN MOTOR
MAIN MOTOR DRIVE
STITCH LENGTH
NEEDLE TYPE
POWER CONSUMPTION
0,45 KW / 3,5A
WAISTBAND CUTTER WITDH
VOLTAGE CLASSSIFICATION
MAX 55 MM
Single-phase 200-240V/50Hz
TARGET PROCESS
EFKA SERVO MOTOR DC 1550
EFKA AB321A
Description

3)
When the stated screws removed machine is ready to use such as in the photo.
INSTALLATION
There are 10 pieces of screws to stabilize the machine to the wooden box.
3.1) The machine is delivered as below

Insert thread stand and rubber into the table. Tighten lock nut so that the thread stand will not be able to move.
The machine is not supplied with a power plug. It is therefore necessarry for you to select to plug that maches the
receptacle availabe under a given operating environment and attach it to the power cable.
3.2) Thread stand assembly
3.3) Connecting the power supply

3.4) The supply air to the machine
The air hose is shipped ready to use.

3.5.2) Prepare the bottle jack arm.
3.5.1) Remove the hexagon-head bolt (2 pieces).
3.5) How to adjust the table height?

3.5.3) Remove handle bolt.
3.5.4) Put the arm into knob (3) and turn clockwise until they no longer turn.
If the bolts are tight, it cannot be lifted.
Loosening the hand bolt may cause the table to be lowered sharply.
If the handle bolt does not turn, reduce the load by moving the arm
up and down(1) or counterclockwise(2).
3.5.5) Put the arm (1) into the joint (4) of bottle jack and swing the arm up and down to lift up the table. If
the screw (2) is loosened slightly, the down speed is slow.If the screw is loosened a lot, the down speed is
fast.
1
2
3
4

3.5.6) Adjust the table height
3.5.8) Install the hexagon-head bolt (2 pieces).
3.5.7) Install handle bolt.
Adjust the table height by moving the arm up and down or counterclockwise. The table height can be
changed at certain distances. Therefore, adjust according to the hole marked in red.

4)
PREPARATION FOR OPERATION
4.1) Please put the Kansai genuine oil from upper cover of the machine head. (Please refer to machine head
instructions KS-DLR1509P)
a) Remove oil viewer A and supply oil until oil is being filled up to the line B of oil gauge C.
The oil level should be checked and kept between line B and D while machine is in use.
b) Draining oil can be done with removing screw E.
It is recommended that oil change one in first one month and once in every 6 months afterward.

4.4.1) Put waistband to its stand as in the picture.
4.2) Threading the machine. (Please refer to machine head instructions – KS-DLR1509P)
4.3) Switch on the machine.
4.4) How to install waistband to stand and feed the waistband attachment?

4.4.2.1) The edges of the waistband should be cut on front edges to insert the band to attachment easier.(see
picture below)
4.4.2.2) After feeding the waistband to all the way of the attachments first canal, turn the waist band and insert the
second canal.
4.4.2.3) Once the waistband is inserted in to second canal, push it till the waist band faces with the presser foot.
4.4.2.3) When waist band reaches the presser foot it is ready sew when the pedal is pressed.
4.4.2) Feed the waistband to its attachment with the given steps.

5)
No.
1
2
3
4
5
6
7
8
9
10
11
12
Settings page [Ref : 5.3)]
Needle count of right needle stitch skipping at the beginning
Cloth cutting at the beginning
Description
Test: I/O Check Page [Ref : 5.2)]
Manual mode button
Automatic mode button
5.1) Main Page
PANEL
Left stitch skipping at the end
Cloth cutting at the end
Right stitch skipping at the end
Test buttons
Note! “Input cutter” and output cutter” is not usable in testing.
Activation buttons (Note! The Buttons are for activating or the deactivation of the features
at the left hand sight.)
Needle count of left needle stitch skipping at the beginning
1
2
3
4
5
6
7
9
8
10
11
12

5.2) I/O Check Page(Test page)
1) The setting of the low speed time at the beginning of the cutting of waistband (Pulse input)
2) The setting of the low speed time at the end of the cutting of waistband (Pulse input)
3) Knife movement time at the beginning (ms)
5.3) Settings Page
4) Knife movement time at the end (ms)
5) The stich count until the air cylinder of the rear roller becomes active after front fabric sensor is activated.
6) Inter sewing option On/Off button
7) Start of the unseam process(beginning of the stich skipping) stitch count
8) Left unseam step count
9) Right unseam step count
10) Resets the determined measure to origin point
11) Back button(brings user to main menu
12) Technical service: Designer level settings. Password required.
Needle counting control
Unseam control
Knife sensor control
Machine revolution Output
1
2
3
4
5
6
7
8
9
10
11
12

6)
ADJUSTMENT
6.1) Knife replacement
6.1.1) Remove air tubes from air clinder
Loosen the “A” screws (2pieces) to eject the knife unit.
Note! Cut the air compresser of the machine at first!
Unplug the tubes from the stated sockets.
6.1.2) Eject the knife unit from machine
A

Note! It is necessary to loosen “B” screws to make this adjustment
6.1.3) Detach the fixed knife from the “B” screws(2 pieces)
6.1.5) Adjust knife tightness
6.1.4) Detach the moving knife from the “C” screws(3 pices)
Make the adjustment the distance between the moving and the fixed
knife with the stated screw
B
C
B

6.1.6) Placing the new fixed knife
After placing the new fixed knife tighten the “B” screws(2
pieces)
6.1.7) Placing the moving knife
After placing the new fixed knife tighten the “C” screws(3 pieces)
Tighten the “A” screws (2 pieces) to attach the unit in the correct position, the sharp edge of the fixed knife should
be aligned parallel with the puller.
B
C
A

6.2) Roller replacement
6.2.1) Lower puller replacement
6.2.1.1) Detach the cover from the stated screws (2 pieces)
6.2.1.1) Remove assembly plate wit the "A" screws(4 pieces)
6.2.1.1) Remove the the plate by removing the imbus screw(1 piece)
A

6.2.1) Upper puller replacement
6.2.2.1) Loosen the imbus screw (2 pieces) and remove retaining ring(E-Type).
6.2.2.2) Remove the washer and detach the black plate from other plate.