7273CNC Heavy Duty Programmable Electronic Pattern Sewing Machine [PDF]

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7273CNC Series Heavy Duty Programmable Electronic Pattern Sewing Machines for Heavy Weight Sewing Applications and Thick Thread

Service Manual

Edition No.: English 2.0 Rights Reserved In All Countries Printed in China

FOR SAFE USE Before the installation, operation, and inspection for this product, read the “FOR SAFE USE” and the technical manuals carefully. Also read the other technical manuals, “Control Unit” and “Operation Panel” describing some instructions, which are not in this manual, and use the sewing machine properly.

SAFETY INDICATIONS Indicates that incorrect handling may cause hazardous conditions, resulting

DANGER

in death or severe injury. Indicates that incorrect handling may cause hazardous conditions, resulting in medium or slight personal injury or physical damage. Note that CAUTION

CAUTION

level may lead to a serious consequence according to the circumstances. Always follow the instructions of both levels because they are important to personal safety.

CAUTION INDICATIONS No 1

Caution indication

Description Precaution for sewing machine operation: Indicates that removing the safety and operating the sewing machine for some other purposes with power-on are prohibited. z

Please do not operate the sewing machine without protective equipment such as an eye guard, a belt cover or the others.

z

Please turn off the power switch when threading, changing a needle and a bobbin, cleaning, and lubricating.

2

Caution for fingers injury: Indicates a possibility of fingers (hands) injury in a certain condition.

3

Caution for squeezing fingers: Indicates a possibility of squeezing fingers in a certain condition.

4

Indication of pulley rotation direction: Indicates a normal pulley rotation direction of sewing machine.

SAFETY PRECAUTIONS

DANGER To prevent from receiving an electric shock, always turn off a power switch and unplug power supply when opening a control box, and then open after ten minutes passes.

CAUTION USAGE ENVIRONMENT Please do not operate the sewing machine under the following conditions. (1) In the ambient temperature of 35 degrees (95°F) or more than 35 degrees, or the ambient temperature of 5 degrees or less than 5 degrees (41°F). (2) In the ambient temperature of 55 degrees (131°F) or more than 55 degrees, or the ambient temperature of -10 degrees or less than -10 degrees (18°F) during transportation. (3) In the relative humidity exceeding 85% or less than 45%. (4) In the open-air place or the location that receives direct sunlight. (5) In the place near heat sources such as heating devices. (6) In the atmosphere filled with dust, explosive gas, or corrosive gas. (7) In the place where the fluctuation in the power voltage of 10% or more than 10%, or the power voltage of -10% or less than -10% of the fixed power voltage. (8) In the place where the power source cannot supply enough voltage to keep the motor running. (9) In the place filled with strong electric noises such as high-frequency welders.

INSTALLATION (1) Please have some specialists, who have enough experience for the sewing machine installations, install the sewing machine. (2) Please have a qualified electrician perform necessary electric wiring. (3) Please do not operate until the sewing machine is repaired when any damage or fault is found on the sewing machine at the installation. (4) Please do not refurbish the sewing machine. (5) The sewing machine is heavy. For the safety, please make sure to install the sewing machine head by more than one person. (6) When tilting the sewing machine, please stand at the hinge side and hold the sewing machine with both hands. Also, please lock the caster on the steel stand (7) Please lock the caster on the steel stand to prevent the machine from moving before tilting the sewing machine.

(9) Please make sure to fit the safety protective equipment (the motor cover or the others) and the accessory protective equipment (the eye guard) that removed temporarily for installation. (10) If the table and steel stand are not HIGHTEX original, the table and the steel stand have to be strong enough to withstand the weight and vibration of the sewing machine. (11)When fitting the caster to the steel stand that is not HIGHTEX original, the caster with locking function has to be strong enough to withstand the weight and vibration of the sewing machine.

SEWING (1) Please make sure to turn the power switch off before installing or replacing needles. (2) Please pay attention for the fingers not to be injured by the needle point. (3) Please make sure to turn power switch off before lubricating. (4) Please pay attention that oil does not get on your skin or in your eyes as it may cause an inflammation. (5) Please make sure to keep oil out of the reach of children who may drink oil by mistake. (6) Please make sure to turn the power switch off before threading a needle. (7) Before starting the sewing, please make sure the position and the function of the halt switch. (8) Please do not touch the operating parts during sewing operation. (9) It is very dangerous to operate the sewing machine without safety guards (eye guards, belt covers, link covers, finger guards or the others). (9) Please make sure to operate the sewing machine with safety guards. (10) Please make sure to turn the power switch off when stopping the sewing machine temporarily.

ADJUSTMENT (1) Please make sure to turn the power switch off before adjusting the sewing machine. (2) If the adjustment is required while the power switch on, do not step on the foot switch by mistake. (3) Please be careful not to be injured by a sharp part (such as the needle and the shuttle hook point). (4) Please make sure to put the safety guards (eye guards, belt guards, link covers, or the others) back on the initial position after the sewing machine adjustment. (5) Please make sure to lock the caster on the table when tilting the sewing machine.

Contents 1. STRUCTURE OF THE SEWING MACHINE......................................................................... 1 2. TECHNICAL PARAMETERS................................................................................................... 2 3. INSTALLATION.......................................................................................................................... 3 3-1. 3-2. 3-3. 3-4. 3-5. 3-6. 3-7. 3-8.

PREPARATION OF THE TABLE.......................................................................................................................3 PREPARATION OF THE STEEL STAND........................................................................................................... 3 INSTALLATION OF THE MOTOR......................................................................................................................3 INSTALLATION OF THE CONTROL BOX.......................................................................................................... 3 CONNECTION OF THE OPERATION PANEL................................................................................................... 3 INSTALLATION OF THE POWER SWITCH.......................................................................................................4 CONNECTION OF THE FOOT SWITCH...........................................................................................................4 INSTALLATION OF THE SEWING MACHINE HEAD AND INSTALLATION REQUIREMENT FOR SPINDLE SYNCHRONIZING BELT.............................................................................................................................................. 5 3-9. CONNECTION OF THE ELECTRIC CABLES (REFER TO THE FIGURE ON THE FOLLOWING PAGE)...............5 3-10. INSTALLATION OF THE THREAD STAND.................................................................................................... 6 3-11. CONNECTION OF THE AIR TUBE...............................................................................................................7

4. LUBRICATION............................................................................................................................8 5. PROPER OPERATION............................................................................................................. 9 5-1. INITIAL SETTING OF THE CONTROL BOX...................................................................................................... 9 5-2. INITIAL SETTING OF THE TABLE................................................................................................................... 9 5-3. INSTALLATION OF THE NEEDLE....................................................................................................................9 5-4. THREADING.................................................................................................................................................10 5-5. WINDING THE BOBBIN THREAD..................................................................................................................10 5-6. SETTING THE BOBBIN.................................................................................................................................11 5-6-1. Taking out the bobbin..................................................................................................................... 11 5-6-2. Setting the bobbin thread...............................................................................................................12

6. SEWING.................................................................................................................................... 12 6-1. THE SEWING OPERATION...........................................................................................................................13 6-2. OPERATION OF EMERGENCY STOP SWITCH............................................................................................. 13 6-3. INPUT METHOD OF PATTERNS................................................................................................................... 14 6-4. SETTING OF THE CLAMP PRIORITY ORDER...............................................................................................14 6-5. THE THERMAL TRIMMING OPERATION....................................................................................................... 15 6-5-1. Manual / Test mode conversion switch (No.1)........................................................................... 15 6-5-2. Thermal thread trimming device switch (No.2)...........................................................................16 6-6. ADJUSTMENT OF THE THREAD TENSION...................................................................................................16 6-6-1. Bobbin thread tension.....................................................................................................................17 6-6-2. Upper thread tension...................................................................................................................... 17

7. ADJUSTMENT OF MECHANICAL PART........................................................................... 17 7-1. ADJUSTMENT OF THE SHUTTLE.................................................................................................................17 7-2. ADJUSTMENT OF THE POSITION BETWEEN THE NEEDLE AND THE SHUTTLE..........................................18 7-3. ADJUSTMENT OF THE NEEDLE BAR HEIGHT............................................................................................. 19 7-4. ADJUSTMENT OF THE NEEDLE-TO SHUTTLE CLEARANCE........................................................................ 19 7-5. ADJUSTMENT OF THE NEEDLE-TO-SHUTTLE-HOOK-DRIVER CLEARANCE............................................... 20 7-6. TEST MODE OPERATION............................................................................................................................ 20 7-7-1. Entrance for the test mode operation.......................................................................................... 20 7-7-2. Key function in the test mode........................................................................................................21 7-7. ADJUSTMENT OF THE PRESSER FOOT...................................................................................................... 21 7-7-1. Adjustment of differential crank and presser foot...................................................................... 21

7-8. ADJUSTMENT OF THE TENSION RELEASE................................................................................................. 22 7-9. UPPER THREAD THERMAL TRIMMING DEVICE...........................................................................................23 7-9-1 Setting thread puller........................................................................................................................23 7-9-2 Setting of the thickness detector...................................................................................................24 7-9-3 Thread stripper.................................................................................................................................25 7-9-4 Adjustment of the upper thread heater........................................................................................ 25 7-10. ADJUSTMENT OF LOWER THREAD TRIMMER HEATER.......................................................................... 26 7-11. ADJUSTMENT OF THE BOBBIN WINDER................................................................................................. 27 7-12. ADJUSTMENT OF THE WORK HOLDER PRESSURE................................................................................ 28 7-13. ADJUSTMENT OF THE THREAD TAKE UP SPRING TENSION..................................................................29 7-14. POSITION OF THE STOP POINT.............................................................................................................. 29 7-15. RELATION OF SHUTTLE HOOK POSITION AND STOP POINT POSITION................................................. 30 7-16. ADJUSTMENT OF THE MECHANICAL HOME POSITION...........................................................................30 7-16-1. Adjustment of X direction (left and right)..................................................................................... 31 7-16-2. Adjustment of Y direction (front and rear)................................................................................... 32 7-17. ADJUSTMENT OF X-Y SYNCHRONOUS BELT TENSION......................................................................... 33 7-17-1. Adjustment of X synchronous belt tension..................................................................................33 7-17-2. Adjustment of Y synchronous belt tension..................................................................................33

8. MAINTENANCE....................................................................................................................... 34 8-1. 8-2.

CLEANING................................................................................................................................................... 34 DISPOSING OF OIL WASTE......................................................................................................................... 34

9. TROUBLESHOOTING............................................................................................................35 10. DEBUGGING PARAMETER SETUP OF PATTERN SEWING MACHINE.................... 39

1. STRUCTURE OF THE SEWING MACHINE 7273CNC series heavy duty automtaic pattern sewing machines consist of the following main parts.

(1) Sewing machine head (4) Emergency stop switch (8) Start foot switch

(2) Thread stand (5) Power switch

(3) Operational panel (6) Table (7) steel stand

(9) Left material-presser plate foot switch

(10) Right material-presser plate foot switch (11) Electric trimming control box

(12) System control box

(13) Manual trimming text button (14) Automatic and manual trimming change-over switch

2. TECHNICAL PARAMETERS Model:

7273CNC series

Optional sewing area:

X-direction (left/right) 500mm (optional within the area), Y-direction (front/back) 160mm

Maximum sewing speed:

700rpm

Speed setting:

200-700rpm

Stitch length:

0.1-12mm

Stitch line:

Single-needle and double-line lock stitch

Maximum number of needles:

20,000 per pattern

Storable sewing data:

520 patterns (internal memory)

Data memory:

Internal memory, USB memory

Needle bar stroke:

56.3mm

Thread take-up-level stroke:

94mm

Needle type:

794 or DYX3

Presser foot lift*1：

20mm

Material-presser plate lift:

25mm (max 30mm)

Shuttle hook:

HAD-204

Bobbin:

Large-scale bobbin

Thread trimmer system:

Thermal trimming system Input voltage: AC 210/230V Output voltage: AC 2V

Thread:

#8 to #10 (Synthetic)

Lubrication system:

Manual oiling

Lubrication oil:

Silicone oil

X-Y drive system:

Stepping motor feedback control Timing belt drive system, intermittent or continuous feeding*2

Controller model:

HT44X

Power:

200V-240V single-phase

Typical Applications: This automatic industrial sewing machine is designed for Ropes, Belts and Slings manufacturers serving high-end industrial markets such as fire and rescue, cargo transportation, military, automotive, aviation and rigging operations. Ideal for stitching 3-5 ply Nylon or Polyester slings with each of 3.5mm, or join 2 ropes and cords with each of 18mm (Dia.), for example lifting slings and cargo lashing straps, safety harness, fall protection equipment, parachutes rigging, hoisting belts, military belts, rope lanyards, climbing ropes, arborist harnesses and other critical area that needs extra reinforcement stitch.

*1：Presser foot lift is the height of the presser foot after the sewing has stopped. *2：Recommend intermittent feeding.

3. INSTALLATION

CAUTION (1) Please have some specialists, who have enough experience for the sewing machine installations, install the sewing machine. (2) Please have a Qualified Electrician perform necessary electric wiring. (3) Please do not operate until the sewing machine is repaired when any damage or fault is found on the sewing machine at the installation. (4) Please do not refurbish the sewing machine. (5) If the table and the steel stand are not HIGHTEX original, the table and the steel stand have to be strong enough to withstand the weight and vibration of the sewing machine. (6) When fitting the caster to the steel stand that is not HIGHTEX original, the caster with locking function has to be strong enough to withstand the weight and vibration of the sewing machine.

3-1.

Preparation of the table

If the table is not HIGHTEX original, the thickness of the table is required to be over 40mm.

3-2.

Preparation of the steel stand

If the steel stand is not HIGHTEX original, please refer to the assembly drawing for your own preparation. The assembly drawing is shown on the last page of this technical manual as Appendix 6. If the steel stand is not HIGHTEX original, please install the steel stand with the assembling instructions enclosed in the packing.

3-3.

Installation of the motor

If the motor is purchased with installing on the machine head, please connect the motor with the control box. Please conduct wire connection according to the instruction (motor installation) explained in another (control box) technical manual.

3-4.

Installation of the control box

If the control box is purchased without installing on the table, the control box shall be installed underneath the table. Please install the control box with the instruction in the paragraph [installation of the control box] on another [CONTROL UNIT] technical manual.

3-5.

Connection of the operation panel

Please install the operation panel referring following figure of control box backside view.

3-6.

Installation of the power switch

(1) Mount the power switch (No.1) with the wood screw (No.2) underneath the table as shown on the figure.

(2) Fix the electric cords with the staples (No.3) underneath the table. (3) Hook up the connector of power switch (No.1) to the connector of system control box (No.6). (4) Connect the terminal (No.10) of the black cable to wiring board on the transformer (No.8).Two terminals have been prepared on this transformer (for 210V and 230V separately). Please refer to Appendix 1 of this technical manual for wiring details.

(5) Connect the other terminal (No.11) of white cable to the terminal adapter No.5 port of the relay socket (No.9).

(6) These wiring boards are included in the electric cutting control box.

3-7.

Connection of the foot switch

Connect the foot switch (No.7) to X12 connector of the control box (No.6). Please refer to [3-8 cable connection] of this technical manual for more details.

3-8.

Installation of the sewing machine head and installation requirement for spindle synchronizing belt

CAUTION (1) The sewing machine is heavy. For the safety, please make sure to install the sewing machine head by more than one person. (2) When tilting the sewing machine, please stand at the hinge side and hold the sewing machine with both hands. At the same time, please lock the caster on the steel stand. (1)

Make sure to hold the caster brake so as to control the table.

(2)

Install rubber gasket on each corner of the table. The rubber gaskets are enclosed in the accessory box.

(3)

Put the sewing machine head on the table and set each leg to the corresponding rubber gasket. Left side of the table is equipped with two hinge covers temporarily.

(4)

These parts are all enclosed in the accessory box.

(5)

Fix the hinge to the sewing machine with fixed screw.

(6)

Push the middle part of synchronizing belt with finger and the force is about 0.1N (1kgf). If degree of tightness of the synchronizing belt is suitable, then there is no caving problem. If degree of tightness of the synchronizing belt is not suitable, please adjust regulator screw of the synchronizing belt so as to adjust tightness of it.

Note: After a while of machine operation, the synchronizing belt will be loosening. If it is certain, please turn off the power and then conduct adjustment.

3-9.

Connection of the electric cables (Refer to the figure on the following page)

CAUTION (1) Please make sure to ground the place where there is a

mark. Failure to do so may cause

electric shock and or malfunction. （1） Remove the stepping motor cover from sewing machine head. （2） Connect cable plug with its socket as shown in the socket diagram below. （3） Fix the cable with nylon clip and U-type nail. （4） Hold the dangling cables under the table with ties. At this time, please check whether the cables are not pulled when tilting the sewing machine.

Direction Y motor

Foot plate

Direction X motor

Spindle

Connect control panel

Display

Grounding

3-10. Installation of the thread stand (1)

Assemble the parts (No.1 to No.11) of the thread stand as shown on the figure.

(2)

Fit the thread stand into the hole at the far right on the table stand with the nut (No.13) and the washers (No.12).

: Upper column pipe : Lower column pipe : Spool stand base (two stand bases) : Spool mat (two mats) : Spool holder (two holders) : Spool shaft (two shafts) : Spring washer (two washers) : Nut (four nuts) : Thread hunger : Spool holder : Column joint : Washer : Nut

3-11. Connection of the air tube (1) Remove the stepping motor cover. (2) Install the filter pressure regulating assembly (No.1) underneath the table with wood screw (No.2). (3) Cut part of ø8 tube (No.3) enclosed in the accessory box. Then, insert one end of this air tube into three-joint (No.5) of adapter (No.4).The adapter is jointed with the magnetic valve and located at the right side surface of sewing machine head. Besides, insert the other end of air tube (No.3) into outlet bend (No.6) of the filter pressure regulating valve (No.1). (4) Then, insert one end of the rest tube into filter pressure regulating valve (No.7) and the other end into air supply source provided by your factory.

4. LUBRICATION

CAUTION (1) Please make sure to turn power switch off before lubricating. (2) Please pay attention that oil does not get on your skin or in your eyes as it may cause an inflammation. (3) Please make sure to keep oil out of the reach of children who may drink oil by mistake. [Notice] Please make sure to lubricate when operating for the first time after the installation. Also, please make sure to check the amount of oil when the machine has not been used for a long time. NOTE Please use high quality white machining oil. Put some oil to red marked oil holes and other part as described below arrow sign.

1. Thread slack mechanism 2. Shaft sleeve of differential shaft 3. Differential crank 4. Thread take-up cam 5. Thread take-up bar 6. Arm shaft bushing (front) 7. Differential eccentric gear 8. Arm shaft bushing (middle) 9. Big connecting rod 10. Arm shaft bushing (rear) 11. Bottom shaft bushing (front) 12. Bottom shaft bushing (rear) 13-16. Presser foot mechanism 17. Hook shuttle driving device

5. PROPER OPERATION 5-1.

Initial setting of the control box

When using the sewing machine for the first time, the model and the language of the sewing machine in use have to be set. Refer to instructions in section 8.2 (U200 of 1-class parameter setup) setting of this Control system technical manual.

5-2.

Initial setting of the table

It is necessary to conduct initial setting of thermal trimming system on the sewing machine. Please refer to 7-6 to conduct the procedures. [Note] If this initial setting is not performed, thermal trimming system may not operate normally.

5-3.

Installation of the needle

CAUTION (1) Please make sure to turn the power switch off before installing or replacing needles. (2) Please pay attention for the fingers not to be injured by the needle point. （1） Loosen fastening screw (No.1). Then, insert a new needle (No.2) until the needle head is reached the end of needle bar (No.3). （2） Tighten the fastening screw (No.1) with the needle groove (No.4) facing to the front.

5-4.

Threading

CAUTION (1) Please turn the power switch off when threading a needle. Thread the upper thread as shown on the figure.

5-5.

Winding the bobbin thread

CAUTION Please do not touch the rotating part during winding thread. Doing so may cause injury and/or the machine failure. [Note] Please make sure to pull the upper thread out of the needle before winding the bobbin thread.

(1)

Route the thread as shown in the below figure. Then, wind the thread to the bobbin (No.1) in the direction of “A” arrow several times. Then, fix the bobbin on bobbin winder and push the full-thread spring-board (No.2) in the direction of “B” arrow.

(2)

(2) With the machine in the Bobbin Wind Mode, step on the work holder foot switch first and then the start switch second so that the thread continues winding to the bobbin while the start switch is stepped on.

(3)

When thread on the bobbin finishes winding a certain amount (80% to 90% of the outside diameter of bobbin), full-thread spring-board returns to the initial position.

(4)

(4) To wind the bobbin thread during the sewing operation, carry out the procedure (1) above then, the bobbin winding is performed automatically.

For bobbin winding mode, please refer to [2.7] winding instruction “5. Bobbin winding interface” of Operation instruction technical manual is shown as below.

: Bobbin : Bobbin presser arm

5-6.

Setting the bobbin

5-6-1.

Taking out the bobbin

(1) As shown below, press the bobbin removal spanner (No.1) at the right side of shuttle hook to the right. Then, the bobbin shell (No.3) will open. At this time, remove the bobbin (No.2) from bobbin shell. Note: If the bobbin shell is still closed when the spanner is pressed to the right, adjust screw (No.9) so as to change route or rotate bobbin’s position. Rotate belt pulley by hand to set the thread take-up bar to the uppermost position. Then, press the bobbin removal spanner to the right.

5-6-2.

Setting the bobbin thread

(1) After pulling out thread about 10 cm from bobbin (No.4), put the bobbin into bobbin shell (No.6). (2) Pass the thread through thread groove (No.5). At this time, check if the rotation of bobbin (No.4) is the same as arrow of the below figure with pulling the thread. Pull thread out of the thread seam (No.8). Then, pull thread out of bobbin spring (No.7) and push the bobbin shell to its initial position.

Bobbin shell

6. SEWING

CAUTION (1) Before starting the sewing, please make sure the position and the function of the halt switch. (2) Please do not touch the operating parts during sewing operation. (3) It is very dangerous to operate the sewing machine without safety guards (eye guards, belt covers, link covers, or the others). Please make sure to operate the sewing machine with safety guards.

(4) Please make sure to turn the power switch off when stopping the sewing machine temporarily.

6-1.

The sewing operation

Operation sequence is shown as follows: (1) Turn on the power switch. After this step, data input interface displays. (2) Select a sewing pattern No. The current interface will display the selected pattern No., press pattern display button

to select

pattern No.. For operation of pattern selection, please see section [2.8 pattern selection] of instruction for electronic pattern machine. (3) Set to sewable status. Press prepare button

, background color of the LCD will turn blue which means it is now in sewable

status. (4) Set the sewing speed Set a appropriate sewing speed by pressing

.

(5) Set the sewing material under the presser plate (No.1). (6) When stepping on (middle and right) foot switch, material-presser plate will go down. (If there is need to reset sewing material, step on (middle and right) foot switch again, then the presser plated will go up.)） (7) Step on left start foot switch so that the sewing machine starts sewing. (8) After the sewing finishes, the work holder (No.1) is lifted automatically then, the sewing material is released.

6-2.

Operation of emergency stop switch

(1) If accidents such as a thread breakage, needle breakage and others happening during sewing, please press emergency stop switch (No.2) immediately. The sewing machine stops instantly and

screen displays (2) Press

.

Machine turns into emergency stop status

to remove abnormality and enter into emergency stop setting interface.

: Work holder : Halt switch

(3) After removing abnormality, select trimming

or presser foot lifting

. After pressing

, it is ready to conduct trimming and enter into step setup interface. And after

trimming button

pressing presser foot lifting button

, presser foot goes up and there can be no further

operations, which shall turn off the power and restart again. Note: After parameter U56 is set to pause, the interface will enter step setup directly during automatic trimming. (4) To conduct step setup, adjust presser foot to re-sewing position. Press the trimming button

to enter into step setup interface.

：Middle presser action

: go back and remove materials : go forward and remove materials : original point reset Press

or

so as to move presser foot to re-sewing position.

(5) Re-sewing Press foot plate to restart sewing.

6-3.

Input method of patterns

See detail instructions of pattern input in technical manual .

For detailed operation method, please refer to 3.1 of technical manual [pattern operation].

6-4.

Setting of the clamp priority order

If specification of right and left alternating clamps is changed according to clients’ requirement, alter setups as the following procedures. Note: Left and right clamps are applicable for sewing two parts together. Change the application method by purpose so as to utilize the sewing material more validly.

CAUTION Do not modify the sewing machine. Otherwise, there may be injury and/or machine fault. （1）

Press

to switch to data input interface and mode interface, in which can conduct detailed

setups and editing operation. （2）

Choose

（3）

Select parameter U212 to set the declining mode of foot board controlling right and left

to enter into 1-class parameter setup interface.

separating presser board.

：0 decline at the same time

: 1 left decline first, then right decline

:2 right decline

first, then left decline （4）

Finish setting and return back. The thermal trimming operation

There are 2 operation switches for thermal trimming operation : Automatic (normal mode) and Manual (test mode) conversion switch. Manual trimming test button

6-5-1.

Manual / Test mode conversion switch (No.1)

When this switch in ON, operation mode is changed to test mode. In this mode, there is no need to operate upper and lower trimming cylinder separately by operation panel. Please refer to [7-6 Test mode

operation] in the following page.

6-5-2.

Thermal thread trimming device switch (No.2)

Thermal thread trimming device switch works as shown below.

Note: thermal thread trimming device switch needs to be operated according to the following procedures. (1) Set the changeover switch (No.1) to manual mode (select online/offline test mode): (2) Confirm presser foot has been already declined and needle has reached upper position. (3) Press manual trimming test button, and operate upper/lower trimming cylinder separately.

6-6.

Adjustment of the thread tension

Thread tightness degree between upper and lower thread must be balanced in the best condition. When upper thread tension is well balanced with lower thread, both threads are interlocked along the center line of fabric layers that is shown as follows. Note: Normally the weaker lower thread tension is, the better sewing quality will be. Therefore, it is better to set lower thread tension according to quality and thickness of the sewing material and then set upper thread tension.

Upper thread is too tight and Upper thread is too loose and lower thread is too tight. lower thread is too loose.

6-6-1.

Bobbin thread tension

(1) Loosen the screw (No.1). Adjust the bobbin thread tension with the thread tension adjusting screw (No.2). To increase the bobbin thread tension, Turn the screw to the clock-wise (A). To decrease the bobbin thread tension, turn the screw to the counterclockwise (B). (2) After adjustment, fasten the screw (No.1).

6-6-2.

Upper thread tension

According to lower thread tension, adjust upper thread tension. This adjustment is realized by adjusting clamp bolt (No.1). Adjust bolt (No.1) clockwise (A) to increase upper thread tension; rotate this bolt counterclockwise (B) to decrease upper thread tension.

7. ADJUSTMENT OF MECHANICAL PART

CAUTION (1) Please make sure to turn the power switch off before adjusting the sewing machine. (2) When adjusting the sewing machine with the power switch on, please be careful not to step on the foot switch by mistake. (3) Please be careful not to be injured by a sharp part such as the needle and the shuttle hook point. (4) Please make sure to put safety guards (eye guards, belt guards, connecting rod cover and fingerstall) back on the initial position after adjustment of the sewing machine.

7-1.

Adjustment of the shuttle

(1) Turn the power switch OFF.

(2) Rotate shuttle hook (No.2) counterclockwise until it will not swing any longer. Place shuttle hook (No.1) and shuttle hook (No.2) as shown in the following figure, that is both of them are contacting on No.3 position. (3) Check a distance (No.4) between the pointed end of shuttle hook (No.1) and the shuttle race. Retain 1mm. If the distance is not correct, please adjust it in accordance with the following procedures. (4) Turn the shuttle (No.1) until at the point described in (3). (5) Tilting the sewing machine, and loosen the bolt (No.5). (6) Align the blade point of the shuttle (No.1) by turning the shuttle by hand. (7) After adjustment has been completed, tighten screw (No.5) firmly

7-2.

Adjustment of the position between the needle and the shuttle

(1) Rotate the hand wheel to make needle bar ascend 4mm from its lowest position. At this time, the pointed end of shuttle hook (No.2) shall be aligned with the center of the needle (No.1). (2) At the same time, distance between upper surface of needle plate and lower end of the needle bar shall be 30.55mm.To adjust the position of needle and shuttle hook in accordance with the following procedures. (3) Remove the cover of the arm top. (4) Loosen screw (No.5). (5) Loosen screw (No.6) and conduct adjustment so that marker dot (No.3) engraved on the eccentric cam of the spindle is aligned with marker line (No.4) engraved on the spindle. (6) After the adjustment, securely tighten screws (No.5 and 6).

7-3.

Adjustment of the needle bar height

The correct height is that the distance from the blade point of the shuttle (No.2) to the upper end of the needle eyelet (No.1) is 2.5 mm when the blade point of the shuttle is aligned with the center of the needle. To adjust the height of the needle bar, (4) Loosen screws (No.3). (5) Adjust the height by moving needle bar (No.4) up and down. (6) After adjustment has been completed, tighten screws (No.3) firmly.

7-4.

Adjustment of the needle-to shuttle clearance

Correct clearance between the recess in the needle (No.1) and the blade point of the shuttle (No.2) is 0.25 ~ 0.35 mm. To adjust the needle-to-shuttle clearance （1） Loosen screw (No.3) （2） Adjust gap by moving shuttle race (No.4) left and right. （3） After adjustment has been completed, tighten screw (No.3) firmly

7-5.

Adjustment of the needle-to-shuttle-hook-driver clearance

Correct clearance between the needle (No.1) and the shuttle hook driver (No.2) shall be 0-0.05mm.To adjust needle-to-shuttle-hook-driver clearance in accordance with the following procedures: （1） Turn the hand wheel to make the needle bar lowest position. （2） Tilt the sewing machine. （3） Loosen two screws (No.3) and Bolt (No.4). （4） Adjust clearance between the convex section of needle (No.1) and shuttle hook driver (No.2) to range from 0 to 0.05mm by moving lower shaft (No.5) to the left and right. （5） After adjustment has been completed, fasten the fixed ring of lower shaft (No.6)and lower shaft crank (No.7). And make sure there is no axial gap of lower shaft.

7-6.

Test mode operation

7-7-1.

Entrance for the test mode operation

（1） Turn the power switch ON.

（2） Set the changeover switch (No.1) to manual (test mode). （3） For detailed operation method, refer to section 6-5-2.

7-7-2.

Key function in the test mode

1. In the test mode, there is no need to operate thermal thread trimmer equipment (cylinders or relay) independently by keys on operation panel. Also, start switch is disabled in test mode. 2. When declining the presser plate, each cylinder will move. 3. During testing, it is necessary to turn on the key according to the following orders: presser foot > thread tensioner > fabric thickness detection > upper trimmer; and it is necessary to turn off the key according to the following orders: upper trimmer > fabric thickness detection > thread tensioner > presser foot. One cycle operation One cycle of operation contains the following series of operations.

1. Thread release is opened. 2. Pull out the required amount of thread. 3. Thread release is closed. 4. Put thread tensioner back to its initial position. 5. Presser foot rises. 6. Thread tensioner pulls up the rest stitches to the position where the thread can be trimmed. 7. Fabric thickness detector lowers to the position above presser plate. 8. Move upper and lower thermal trimmer to thread path (thread is heated and cut). 9. Return back upper and lower thermal trimmer to initial position. 10. Fabric thickness detector rises. 11. Thread tensioner returns to its initial position. 12. Presser foot declines.

7-7.

Adjustment of the presser foot

7-7-1.

Adjustment of differential crank and presser foot

(1) Turn the power switch OFF. (2) Remove the side cover and the face cover. (3) Rotate the belt pulley by hand and turn the middle presser foot to lowest point. Stop differential adjusting crank (No.1) at its largest swing position in arrow direction via adjusting the screw (No.11) on differential eccentric gear. (4) Remove the connecting screw (No.4) to disconnect lifting arm (No.2) from presser lifting arm (No.3). (5) Loosen screw (No.9) on the presser foot (No.10). Then, adjust the position of presser foot to make 0-0.5mm clearance between bottom surface of presser foot and surface of the sewing machine. (6) Tighten the screw (No.9) on presser foot to adjust it to the center of needle hole of the presser foot. (7) Insert a 12.7mm high block between lifting presser arm (No.5) and manual lifting bar (No.6). (8) Tighten the screw (No.8) of differential adjusting crank without clearance of the shaft sleeve. (9) After the adjustment, tighten hinge screw (No.4) to connect presser lifting arm (No.2) and presser

foot lifting plate (No.3). And put face plate and side plate back on the original position.

7-8.

Adjustment of the tension release

When closing the tension, sensor IF (No.4) on the cylinder is ON and sensor IE (No.3) is OFF. When opening the tension (tension release plate is close to clamping plate), signals of these sensors will be reversed.

7-9.

Upper thread thermal trimming device

For a correct sewing at the seam beginning, a certain length of stitches shall be reserved. Thread stripping hook shall be reserved at the bottom position after finishing sewing, then the thread can be reserved. Function of upper thermal trimming according to the following procedures: 1. Sewing pattern is finished. 2. Needle stops at the high position of needle bar. 3. Upper clamper opens. 4. Thread puller pulls the required thread quantity forward. 5. Upper clamper closes again. 6. Thread puller returns back to its original position. 7. Presser foot lifts in its highest place. 8. Thread stripping hook pulls the reserved needle thread into heating position. 9. Thickness detector lowers on the clamps. 10. Upper thermal trimmer declines. 11. Thread is heated off. 12. Clamp rises. 13. A new sewing process can be started.

7-9-1 Setting thread puller It is necessary to set thread puller in accordance with the sewing materials to make sure a secure sewing beginning. If the reserved thread is too small and the thread is too tight during heating, the thread end will not melt together. To adjust the reserved thread quantity (1) Loosen screw (No.1). (2) According to the arrow (A or B) direction, move and adjust thread adjusting plate (No.2). (When

moving in the direction of A, thread slack amount will increase; and when moving in the direction of B, thread slack amount will decrease.) (3) Securely tighten screw (No.1). (4) Check the sensor during thread puller operation. Sensor IB (No.3) is ON.

7-9-2 Setting of the thickness detector （1） Place material of max allowable thickness (10mm) or clearance between upper and lower tabouret. （2） Pull down the air cylinder (No.5). （3） Loosen the setting screw (No.2). （4） Pull

the

thickness

detector

(No.3)

downward until it touches the bottom clamp (No.1). （5） Tighten the setting screw (No.2). （6） At this time, make sure functions of the thickness detector cylinder (No.5). At upper (normal) position the sensor I 8 should be ON.

7-9-3 Thread stripper Thread stripper pulls the thread to a proper angle of thermal trimmer so as to conduct trimming. The proper angle between thread and thermal trimmer shall be 90 ° .At this time, the thread must have enough tension to avoid thread escaping from the trimmer. Please adjust thread blocker as follows: （1） Turn on protective cover (No.1). （2） Loosen the nuts (No.2). （3） Move nut (No.2) up and down to set swing of the thread stripping hook (No.3). （4） Tighten the nuts (No.2). （5） Put the protective cover back to its original position. （6） After adjustment, check the position of sensor (No.6) ID (No.4) and IC (No.5) of cylinder on thread stripper. When thread stripper is in its original position, sensor IE must be OFF and sensor ID must be ON.

Thread stripping hook shall be moving freely under the needle. Please adjust the height of thread blocker as follows: (1) Place material of the maximum allowance thickness (10mm) or spacer between upper and lower clamp. (2) Swing the thread stripper hook under needle by hand to make sure that it will not strike against the needle. If the hook interferes with needle, adjust it according to the following procedure. (3) Loosen clamping screw (No.7). (4) Adjust the height of thread stripper hook (No.3). (5) Tighten clamping screw (No.7).

7-9-4 Adjustment of the upper thread heater When thread stripper hook tightens the upper thread, angle between upper thermal trimmer and upper thread must be right angle 90°. The fully extended thermal trimmer must have a clearance of about 1mm to the clamped material.

The fully extended thermal trimmer must have a contact with upper thread tightened by stripper hook with some pressure. To adjust the position of the upper thread heater （1） Extend the heater (No.1) manually. （2） Loosen the screws (No.2) and the screws (No.3). （3） Adjust the heater vertically and horizontally. （4） Tighten the screws (No.2 and 3) and the screws. （5） After this adjustment, check the sensor I A (No.4) of the heater cylinder (No.6) should be ON and the sensor I 9 (No.5) should be OFF at the normal position.

Thread stripping hook Thread blocker

7-10.

Adjustment of lower thread trimmer heater

The lower heater is in its initial position, when the thread puller (No.2) is outside the area of needle hole (NO.4). （1） Distance between thread outlet plate (No.2) and lower thermal trimmer (No.1) shall be about 6mm. Loosen screw (No.5) and adjust the position of thread outlet plate (No.2) so as to correct the position of lower thermal trimmer.

Thread outlet plate

（2） After withdrawing the cylinder, distance between cylinder and connector (No.6) is 9mm and distance between them after pushing out the cylinder is 34mm. At this time, lower trimmer device is just at the proper position. Loosen nut (No.9) to adjust the above distance. Proper height of thermal trimmer (No.1) is where the trimmer is very adjacent to needle plate (No.3) and also it does not have any contact with other parts. Adjust the shape of lower trimmer for correction. （3） In normal position, thread outlet plate (No.2) shall be 2.2mm lower than needle plate (No.3). Adjust the shape of thread outlet plate (No.2) for correction. （4） After this adjustment, check the sensor I6 (No.7) of the heater cylinder should be ON and the sensor I7 (No.8) should be OFF at the normal position.

7-11.

Adjustment of the bobbin winder

The amount of thread has already been adjusted so that thread can be wound round approximately nine-tenths of the bobbin. If the amount is excessive or insufficient, adjust by following method. (1) Loosen the adjusting screw (No.1) and nut (No.2). (2) Turn the adjusting screw (No.1). To decrease the amount, turn clockwise. To increase the amount, turn counterclockwise. (3) After adjusting the amount of thread has been completed, tighten the nut to secure firmly. If bobbin thread is wound unevenly, (4) Loosen the screw (No.4). (5) Move the bobbin winder thread guide (No.5) forward and backward so that thread can be wound evenly.

7-12.

Adjustment of the work holder pressure

CAUTION 

If cylinder pressure is set too high, troubles such as operation faults may occur. Set the pressure within 0.4Mpa at any time.

(1) Upper tabouret pressure is provided from the cylinder. Lift and turn filter regulating valve button (No.1) under the table to realize air pressure adjustment. (2) If rotate the regulating button (No.1) clockwise, both air pressure and upper tabouret pressure will increase. (3) If rotate the regulating button (No.1) counterclockwise, both air pressure and upper tabouret pressure will decrease. (4) 0.4Mpa (4kgf/cm2) is the standard air pressure as a normal sewing operation.

7-13.

Adjustment of the Thread take up spring tension

The standard stroke of thread take-up spring (No.1) is 8 to 15 mm. To adjust operating range, (1) Loosen screw (No.2). (2) Adjust the operating range by moving thread the take-up spring adjusting plate (No.3) up and down. (3) After adjustment, tighten screw (No.2) firmly.

7-14.

Position of the stop point

Position of stop point refers to the highest position that take-up bar can be detected by inductor (No.2) and it needs no adjustment in normal condition. It is necessary to check whether it is located in the below positions. （1） Turn off the power. （2） Remove upper chassis cover (No.1). （3） Adjust the position of stop point corresponding to the following procedures, loosen fixed screw (No4) of the spindle inducting iron (No.3) and rotate inducting iron (No.3). After adjustment, fasten screw (No.4).

CAUTION 

If position of stop point is changed, proper trimming cannot be executed.

（4） Turn on the power. （5） If stop point is not in an ideal position, fine adjustment can be conducted by electric control system. Zero deviation is installed on spindle allowed by electric control system. Correction for angle error during automatic installation can be carried out by zero correction operation. However, the value of zero deviation must be within -30 °~ +30°, otherwise, dangers such as other executing mechanism’s malfunction resulting from angel disorder of spindle may be caused. Specific method is shown as follows: Press

for 3s in data input interface and then enter into setting mode class 2; press

test mode interface. H in test mode interface which refers to icon

to enter into

is angel correction icon. Click this

icon to enter into angle correction interface of spindle. Move machine hand wheel in this interface so as to turn the needle bar into its highest position (mechanical zero position). Electric angle of spindle motor will display on icon

. And deviation correction value will show under entry “FIXED”, the

corresponding corrected mechanical angle value will show under entry “MACH”. Press

, the value

will be stored automatically by system and corrected into spindle motor angle.

Note: This corrected value is stored in operation panel. If spindle motor is re-installed or operation panel is changed, angle correction shall be conducted again. （6） After adjustment, put upper chassis cover back to its original position.

7-15.

Relation of shuttle hook position and stop point position

The relation between shuttle hook (bobbin case) position and stop point (highest position of thread take-up bar) is shown as follows: the position of stop point (highest position of thread take-up bar) is the position where shuttle race (No.1) and bolt released by stop spring are aligned as shown in the figure. (If bobbin removal spanner (No.3) is pressed to the right, the bobbin case will open.) ）

Bobbin case Bobbin shell

7-16.

Adjustment of the mechanical home position

The mechanical home position is fixed at the center of the sewing area when the sewing machine is shipped from the factory. However, it can be moved within the area covered with diagonal lines.

77

Note: Sewing area shall be reset after changing the tabouret. When parameter setup operation is under class 3 setting mode, select

to enter into 2-class

parameter setup interface. Please refer to 1-class parameter setup for operation method.

Set valid range of X left direction by

. Set valid range of X right direction by

Set valid range of Y left direction by

. Set valid range of Y right direction by

. .

7-16-1. Adjustment of X direction (left and right) （1） Turn the power switch off. （2） Remove the top cover of case in direction of X. （3） The mechanical original position of X direction is the position where inductor (No.2) can detect the edge of detector plate X (No.1). （4） Adjust mechanical original position of X direction in accordance with the following procedures: loosen set screw (No.3) of detector plate; then move the detector plate in the arrow direction which is shown in the figure below. Set 1.0-1.5mm clearance between detector plate and inductor.

（5） Turn the power switch on. Press the home position return icon

and check the

mechanical home position. （6） If the mechanical home position is not the desired position, carry out the same procedure (4) and (5) again. In that case, turn the power switch off each time. [Notice] The machine has a function that the motor memorizes the home position at the first home position returning operation after the switch is turned on. Therefore, from the second home position returning, it does not use the home position return sensor. Make sure to turn the power switch off to change the mechanical home position.

(a)

In the case described above, available amount of adjustment of the original position is 0-25mm. For further adjustment, loose screw (No.4) and move the position of the sensor.

(b)

If move the detector to the right, then mechanical original position will move to the left.

(c)

After adjustment, fasten the set screw (No.4).

7-16-2.

Adjustment of Y direction (front and rear)

（1） Turn the power switch off. （2） The mechanical original position of Y direction is the position where inductor (No.2) can detect the edge of Y drive (No.1). （3） Adjust mechanical original position of Y direction in accordance with the following procedures: loosen set screw (No.3) of inductor plate; then move the detector plate in the arrow direction which is shown in the figure below. （4） Turn the power switch on. Press the home position return icon

and check the mechanical

home position. （5） If the mechanical home position is not the desired position, carry out the same procedure (3) and (4) again. In that case, turn the power switch off each time.

[Notice] The machine has a function that the motor memorizes the home position at the first home position returning operation after the switch is turned on. Therefore, from the second home position returning, it does not use the home position return sensor. Make sure to turn the power switch off to change the mechanical home position.

（a） In the case described above, available amount of adjustment of the original position is 0-25mm. For further adjustment, move the position of inductor (No.2) within (A). （b） After adjustment, fasten the set screw (No.3).

7-17.

Adjustment of X-Y synchronous belt tension

NOTE The proper condition of the X-Y synchronous belt tension is standing that they will not be got any yield even it is slightly pushed by hand.

7-17-1.

Adjustment of X synchronous belt tension

(1) Remove the right cover in direction of X. (2) Loosen the set screws (No.2) (4 pieces) of the bracket (No.1) (3) If fasten the tension adjusting screw (No.3), X timing belt tension will increase. (4) After adjustment, securely fasten the set screw (No.2) of the stand (No.1) and put the right cover on its original position.

7-17-2. Adjustment of Y synchronous belt tension (1) Loosen set screw (No.1) of the stand. (2) If fasten the tension adjusting screw (No.2), Y timing belt tension will increase. (3) After the adjustment, tighten the set screws (No.1) securely.

8. MAINTENANCE

CAUTION (1) Please make sure to turn the power switch off before cleaning the sewing machine. (2) Please pay attention to that staining your skin or eyes with oil may cause an inflammation.

8-1.

Cleaning

(1) Remove the dust and the thread waste sticking the threading parts or the hooks area regularly.

(2) The dust or the like sticking the X-Y slide guide absorbs lubrication oil on the rails and significantly lowers the slide guide running life.

Clean the slide guide regularly and also pour some grease. (Lithium grease 2)）

8-2.

Disposing of oil waste

If the waste oil pan is full filled in the oil bottle (No.1), remove the oil bottle then dispose of the waste oil.

9. TROUBLESHOOTING

CAUTION (1) Please make sure to turn the power switch off before adjusting the sewing machine. (2) If the adjustment is required while the power switch on, do not step on the foot switch by mistake. Condition

Cause

Corrective action

Poor thread quality

Use better quality thread

----

Tight upper thread tension

Adjust thread tension

6-6

Strong thread take-up spring

Adjust thread take up spring properly

Reference

7-13

Stitches is thicker than needle Change needle to suitable size Shuttle hook or shuttle race breakage often

Change them new ones or grind them with buffing wheel or grind

Damages inside presser foot needle hole Damages of needle hole Needle touches with presser

stone

with buffing wheel

Needle and shuttle hook are

7-7

Adjust the timing

7-2

Slow down sewing speed

6-1

Use silicon oil

----

not in proper timing Thread melts with needle heat

Clamping plate is not open Adjust thread tension release during trimming

from the needle

Thread take up spring swing is Adjust thread take up spring’s too much

swing stroke

Needle size is bigger than

----

Move presser foot position

foot needle hole

is pulled out

----

Change it new one or grind it

happens

Upper thread

----

Change needle to suitable size

thread size

7-8

7-13

----

Needle and shuttle hook are Adjust the timing properly not

in

synchronization

complete

7-2

Thread tail from needle is very short after trimming

Adjust the cylinder position of thread stripper Adjust thread puller stroke

7-9-1

Adjust upper heater position

7-9-4

Adjust adjusting plate position

7-13

Bobbin thread tension is too Loosen bobbin thread tension tight

spring

Thread take up spring swing is Adjust thread take up spring’s too small Thread tail from needle

7-9-3

6-7-1

7-13

swing stroke

Trimmer equipment position is Adjust the cylinder position of not correct thread stripper

is too long after trimming

7-9-3

Adjust thread puller stroke

7-9-1

Adjust upper heater position

7-9-4

Bobbin thread tension is too Loosen bobbin thread tension

6-7-1

loose

spring

Trimmer function is canceled

Resume trimmer function

6-5

Trimmer switch is off

Put on the trimmer switch

6-5

Heater knife is aging

Change the heater knife

----

at Adjust position of stop point

7-14

Trimming is not functioned

Skip

stitching

happens

trimming Initial setting of the setting Set up the initial setting of the table is not set up.

setting table.

The hook position is deviated

Set the needle stop position to the

The bobbin

Needle

often happens

up

lever

Bobbin removal lever stroke is Adjust the bobbin removal lever short

Skip stitching

take

7-14

uppermost position

cannot be removed

thread

5-2

and

shuttle

clearance is too big Needle

5-5-1

stroke

and

shuttle

hook Adjust needle and shuttle hook

7-2

clearance properly hook Adjust needle and shuttle hook

timing is not correct

timing properly

Needle is bent

Change it new needle

7-4 ----

Needle is bent by shuttle hook Adjust driver

the

needle-to-shuttle-hook-driver

7-5

clearance properly Presser foot position is not Adjust presser correct properly Stitch forming is

foot

position

Upper thread tension is not Adjust upper thread tension tight enough

7-7

6-6

loose Upper thread release is closed

7-8

position properly

during sewing Presser foot position is not correct

Small

Adjust upper tension release

Adjust

presser

foot

position

properly clearance

between Adjust

the

shuttle hook driver and shuttle needle-to-shuttle-hook-driver hook Presser foot up and down timing is not proper

Sewing

7-7

7-5

clearance properly Adjust

presser

foot

timing

properly

7-7

Cables wiring is disconnected

Connect all cables precisely

3-6,3-19

Halt switch is kept ON

Cancel the halt switch

6-2

Start switch breaks down

Change it new start switch

----

The test mode is valid

Change to the operation mode

machine does not work even start switch is turned ON

6-5-1

Ambient temperature is out of Use sewing machine in ambient Returned

use range.

temperature in 5 degrees to 35

----

degrees

home position is

Clearance between detector

changed.

and detecting subject is too

Adjust clearance in 1 to 1.5mm 7-16

wide. Work holder activate cable is Work holder does not work

Connect the cable precisely

disconnected Work holder pressure is not

Increase work holder pressure

strong enough Work holder switch breaks down

Change it new work holder

Control unit

7-12

----

switch Sewing pattern is

Sewing

material

weight

is

Slow down sewing speed

6-1

heavy Select sewing material weight

distorted

level at feeding X-Y timing belts are loose

Slow down feeding speed Adjust X-Y timing belt tension properly

X-Y

detector

disconnected

cabled

are

Connect X-Y cables correctly

Control unit 6-1 7-17

----

10. DEBUGGING PARAMETER SETUP OF PATTERN SEWING MACHINE In setting mode class 3, enter into 2-class parameter setup interface. Please refer to 1-class parameter setup for operation method. No. K31

Parameters

Factory Setting

Trimming output start-up time/angle

35°

K36

Thread slack start-up time/angle

300° choose middle voltage plate

K53

Select middle voltage plate (air amount M)

3

K54

Select heavy voltage plate (air amount H)

185°

K60

Level 3 foot board enabled

Open the enabled

K61

Stop angle of spindle motor

53°

K64

Find original point’s speed

5

U01

Maximum sewing speed

800

st

U02

1 stitch start-up speed

150

U03

2nd stitch start-up speed

200

U04

3rd stitch start-up speed

300

U05

4th stitch start-up speed

400

U06

5th stitch start-up speed

500

U62

U202 U211 U212

U213

Upper needle position of needle set angle Open upper control point after trimming Delay

after

thread

stripping

(delayed 3

setting of trimming time output signal) Presser mode controlled by foot plate

Choose 0 external presser control

Decline mode of left and right separating Choose 1 decline left first, then presser controlled by foot plate

right

Rise mode of left and right separating Choose 0 rise at the same time presser controlled by foot plate

6. TABLE AND STAND ASSEMBLY 6-1 Table

6-2 Table and stand Fig No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 19 20 21 22 23 24 25 26 27 28 29

Name Table top Stand (A) Stand (B) Support stand (A) Support stand (B) Bolt with SW-PW M8X20 (Large) Bolt with SW-PW M8X20 (Middle) Bolt with SW-PW M8X20 (Small) Wide-rim gasket (Large) 8 Top cover Gasket M12 Spacer Small caster Control box Assembling bolt M8X60 Wide-rim gasket (Large) 8 Wide-rim gasket 8 Nut M8 Motor Power box Assembling bolt M8X70 Drawer Rail Wood screw 4.5X38 U-type nail (Large) Switch assembly Wood screw 4.1X16 U-type nail (Small)

Amt Req 1 2 2 1 1 6 4 2 2 4 4 4 4 1 12 15 15 15 1 1 3 1 2 4 1 1 2 5

7. ANAEROBIC ADHESIVE USED LOCATION Below parts are fixed by anaerobic adhesive. If these parts are disassembled, make sure to clean their bonding part with thinner. And please put anaerobic adhesive before reassembling.