# For safe adjustment and repair # In order to conduct adjustment and repair safely and surely, please b42e sure to abide by what is mentioned in this manual to prevent trouble. 1. When you conduct adjustment and repair of this embroidery machine or handle electric related parts, you are required to take technical lesson in advance.
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Index page For safe adjustment and repair Index Special tool, Measuring equipment, Other 1 Outline of mechanism 1-1 Outline of mechanical mechanism 1-2 Placement of key electronic parts 2 Outer covers 2-1 Removal of outer covers 3 Mechanical mechanism 3-1 Basic maintenance 3-1-1 Maintenance of thread path 3-1-2 Fixing of needle 3-1-3 Selection of thread...
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Index page 3-2-18 Exchange of thread catcher 3-2-21 Adjustment of bobbin winder 3-3 Moving head 3-3-1 Assemble the moving head upper rail of 3-3-2 Adjustment of backlash (back and forth) of moving head 3-3-3 Assemble the moving head 3-3-4 Adjustment of needle position (back and forth) 3-3-5 Check of needle position 3-3-6 Adjustment of needle height 3-3-7 Exchange of needle bar and needle bar spring...
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Index page 3-7 Carriage unit 3-7-1 Adjustment of X carriage belt tension 3-7-2 Exchange of X carriage belt 3-7-3 Adjustment of Y carriage belt tension 3-7-4 Exchange of Y carriage belt 3-8 Transmission unit 3-8-1 Adjustment of timing belt tension 3-8-2 Exchange of timing belt 3-8-3 Adjustment of motor belt tension 3-8-4 Exchange of motor and motor belt...
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Index Page 4-4-4 Record Opereration data display 4-4-4-1 Total number of stitch 4-4-4-2 Record of Error occurrence 4-4-4-3 Number of occurrence in each error display 4-4-4-4 Thread break history 4-4-4-5 Machine setting 4-4-4-6 Maintenance Register―Registration of machine maintenance date 127a 4-4-4-7 127b Machine Setting Navigation after exchanging CONT board (Main program Ver.*1.34~)
Outline of mechanical mechanism Thread guide bracket Thread guide pillar Tread stand Thread tension unit Moving head Take-up lever Control panel Front cover over over X carriage Thread adjusting spring ng g Frame base Thread holder Needle plate Rotary hook Rotary hook cover...
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Outline of mechanical mechanism Needle bar driver unit Y carriage Thread cutting driver Upper shaft Take-up lever cam Thread cacher Needle bar change unit Pressure foot driver unit Thread holder...
Placement of key electronic parts Pulse motor (Needle bar change unit) CONT-J board TC board Display board Fuse Pulse motor (Pressure foot ) Power swich Noise filter AC power Timing detecting board Main motor Power supply Pulse motor (Thread catcher)
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Removal of outer covers (THREAD STAND) 1. Remove thread guide bracket. 2. Loosen a screw of thread guide pillar 3. Remove thread guide pillar and thread stand.
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Removal of outer covers (CONTROL BOX) <Check> Be sure to turn power switch OFF before work. 4. Remove control box. 1. Remove three setscrews of arm E as shown in the figure below. 2. Disconnect the connectors indicated by the arrows in the figure below.
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Removal of outer covers 5. Disconnect cable for X carriage. 8. Take off rubber cap. 6. Remove 2 screws, then take the X carriage off. 9. Remove cover (left). (Remove screw in arrow mark) 10. Unlock nail of the cover (left) by pressing an arrow point of 7.
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Removal of outer covers 11. Remove the cover by pressing an arrow part of 12. Remove the screw of an arrow part of the the picture. picture which fixes cover (right). (1) Upper part of the cover (2) Front part of the cover Nail shape 13.
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Removal of outer covers 14.
Remove cover (light). (Remove screw in arrow mark) 15. Remove the cover (right). 16.
By above process, removal of [cover] has finished. If you need to operate the machine with control box, please re-assemble the arm and the control box.
Maintenance of thread path 3-1-1 In a bid to prevent poor sewing finish or thread break, please keep places where thread contacts in the best condition. 1. Thread tension, detecting roller a) Revolution must be smooth b) No sticking of lint or dust 4.
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Maintenance of thread path 3-1-1 5. Needle plate 7. Rotary hook a)
No burr and crack in needle hole and around it. a) No burr and crack. b) Hook point not warped. c) Backlash between bobbin case holder and outer hook should be less.
Fixing of needle 3-1-2 1. In order of (1)-(4), please remove and fix needle. (1) Loosen screw holding needle. (2) Remove needle. (3) Insert needle till it goes to the end. (4) Tighten screw holding needle. Fix needle so that needle groove faces front. Needle holder ①
④...
Selection of thread 3-1-3 1. Selection of upper thread. <Description> Please select considering cloth, design of pattern and flavour etc. <Thickness> Please refer to [Relation between needle and upper thread 3-1-4]. <Twist> Z twisted thread is to be used. (As rotary hook turns left- wise, Z twisted thread can prevent loosening of twist) Z-twisted S-twisted (Left - twisted)
Relation between needle and upper thread 3-1-4 1. Description of needle Basically please use [DB X K5] in standard accessory. If description or thickness of cloth doesn't suit needle size, poor sewing finish / thread break / skipping will occur. Therefore careful attention is required in selecting needle.
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Exchange of crank 3-2-1 5. Loosen screws located at right and left side, then take front 1. Referring to [2-1 Removal of outer covers], cover off. remove outer covers. 2. Remove the Rear cover. 6. Change needle bar to no.1 and no.7 with turning the gear by finger and remove all arrow marked screws, then remove the moving head.
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Exchange of crank 3-2-1 9. Referring to [3-2-4 Exchange of needle bar driver], 7. Remove thread catcher ass’y remove needle bar driver ass’y. 10. Remove Bobbin winder. 11. Remove power supply. Cable 2 pcs, Screw 2 pcs 8. Remove face plate on the left. Power supply 12.
Remove Cover.
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Exchange of crank 3-2-1 14. Loosen screw on upper pulley,. 18.
Remove Needle bar boss stopper. <Important> Do not loosen the screw of Upper shaft collar. 19.
Loosen fixing screws and pull down pressure foot guide bar and guide shaft. Upper
shaft
collar 15.
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Exchange of crank 3-2-1 17. Put parts once removed back in reverse order 18. Please check and adjust timing mentioned below to finish. For adjusting fixing of each unit, please refer to process (1)Upper shaft timing (L point, C point) to adjust fixing of each unit.
Exchange of rod 3-2-2 1. Referring to [3-2-1 Exchange of crank], 2. Referring to [3-2-4 Exchange of needle bar driver], board ass’y, face plate (left) ass’y and moving head. remove needle bar driver ass’y. 3. Loosen screw on rod pin to remove rod. 4.
Adjustment of the lowest needle point 3-2-3 1.
. Loosen screw on detecting disk. 3. When dial disc reads degree], fix detecting disk. 2. Turn upper shaft so that needle bar driver ass’y comes 4. Work will finish by checking and adjusting timing in the bottom.
Exchange of needle bar driver 3-2-4 1. Referring to [3-2-1 Exchange of crank], 2. Loosen screw on main shaft in head. Remove board ass’y, face plate (left) ass’y and moving head. 3. Pull out main shaft in head.
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Exchange of needle bar driver 3-2-4 4. Loosen screw on lower part of needle bar driver ass’y. 7. Put each unit back according to manual. 8. After exchange, please be sure to adjust needle height. Please refer to [3-3-6 Adjustment of needle height]. <Attention>...
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Adjustment of fixing of jump device 3-2-5 1. Referring to [3-2-1 Exchange of crank], 4. Install good parts. Remove moving head. Set upper shaft to degrees] to adjust position of plunger of jump solenoid and jump body as illustrated below. 2.
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Adjustment of fixing of jump device 3-2-5 5. Adjust upper shaft to be [180 degrees] and tip of the body has to be same as the picture below. 90 degrees 6. Please put parts back in reverse order to finish. For adjustment of fixing of each unit, please refer to process to adjust fixing of each unit.
Exchange of take-up lever cam 3-2-6 (2)
P lease push the Upper shaft to arrow marked direction 1. Referring to [3-2-1 Exchange of crank], pull out upper shaft and make sure that Upper shaft collar are attached without space from machine body. 2.
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Exchange of roller shaft ass’y 3-2-7 1. Remove take-up lever crank. 3. Insert bering positioning gauge [4.85mm] between bering and bering , and then tighten roller shaft ass’y. Please adjust roller shaft for machine front side ways. This roller shaft ass’y is eccentricity. Turn lean screw and just touch roller to gauge.
Adjustment of take-up lever timing 3-2-8 1. . Loosen screw on fasten collar for take-up lever cam. 4. Turn take up lever cam slowly and insert positioning pin into pin groove. pin groove 2. Set dial disc to degrees]. 5. Loosen screw. <Important>...
Check of height of pressure foot 3-2-10 1. Bring pressure foot down. (Either way mentioned below) 3. Turn upper shaft and set dial disc to degree]. (1)press P_FOOT key on control box. 4. Insert [Gauge I.2mm] between needle plate and pressure foot.
Exchange of pressure foot 3-2-11 Referring to [3-2-1 Exchange of crank], remove Front coverand Thread tension. The needle which you insist to exchange pressure foot should be located at offset position from bed. 3. Remove pressure foot. (1) Press key on control box. 4.
Adjustment of height of pressure foot guide bar 3-2-12 4. In case the lenght of pressure foot gide bar is not 37 mm, Rotate the upper shaft to be lowest point degrees]. loosen the screw which fixes guide bar block and adjust it as 37mm.
Exchange of pressure foot link and block 3-2-13 4. If you remove the pressure foot link B ass’y, first remove 1. Referring to [3-2-4 Exchange of needle bar driver], the pressure foot cam collar and pressure foot drive cam. remove the Head shaft and remove the Needle bar driver ass'y.
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Exchange of pressure foot drive lever 3-2-14 Referring to [3-2-1 Exchange of crank], remove face 5. Remove pressure foot drive lever ass’y plate. 2. Remove upper rail. 3.
Loosen fixing screw of guide bar boss and bring pressure foot guide bar down. 6.
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Exchange of pressure foot drive lever 3-2-14 7. Put on grease to bady and oil bush of pressure foot lever 10. Assemble pressure foot guide. ass’y. <Grease> Shell alvania EP Grease2 (Shell Gudas S2 V220 2) Oil insert bush 8. Put on grease to fulcrum shaft. <Caution>...
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Exchange of pressure foot drive lever 3-2-14 11. Adjust position of pressure foot guide plate A ass’y. 14. Assemble the Needle bar boss stopper. <Caution> Make sure that pressure foot guide plate A ass’y is mount perpendicular and parallel to the body. <Spanner>...
Exchange of pressure foot guide 3-2-15 Referring to [3-2-1 Exchange of crank], Remove face 4. Exchange guide. plate (left) ass’y and moving head. Loosen the screw and move the Guide
b ar
b oss
B lower. 5. Assemble the pressure foot gude bar and Pressure foot 2.
Exchange of pulse motor for pressure foot 3-2-16 Change needle bar to no. 0 and disconnect cable from 4. Remove drive gear A. pulse motor. 5. Exchange the pulse motor. Fix it temporarily. 2. Down the Pressure foot. 3. Disconnect cable from Sensor board ass’y and Remove 6.
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Exchange of pulse motor for pressure foot 3-2-16 7. Adjust position of pulse motor then fix it. Keep slightly backlash between drive geer A and gear. (Every point.) Remove clamp filter from original motor, then re-set to new motor. 8.
Adjustment of pressure foot bracket ass’y 3-2-17 1. Fix pressure foot bracket ass’y tentatively. 4. Adjust position of pressure foot guide plate B ass’y. <Caution> Make sure that pressure foot guide plate B ass’y is mount perpendicular and parallel to the body. 90 degrees 2.
Exchange of thread catcher 3-2-18 Press , take thread catcher unit in Catcher Adjust 1. Install thread catcher tentatively by tightening and out, and move and adjust the sensor shown in screws. the direction of the arrow so that the dimension in the following figure meets the value in the following figure when hook goes back.
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Exchange of thread catcher 3-2-18 7. Continue to “Adjustment of thread holder”. When you adjust thread holder, you might need to adjust thread catcher unit again. Follow the procedure in “3-3-13 Adjustment of thread holder.”...
Adjustment of bobbin winder 3-2-21 # Adjust if the thread is leans to one side. 4. Confirm that the shaft does not touch the cover by turning motor. 1. Referring to [2-1 Removal of outer covers], (Set the empty bobbin and down the Guide.) remove outer covers.
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Adjustment of bobbin winder 3-2-21 6. Assemble the winder bracket ass’y tentatively. When the thread is leans to one side, re-adjust the angle of winder bracket ass’y. Change position of the motor shaft, if you cannot solve the problem with above procedure. 7.
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Assemble the upper rail of moving head 3-3-1 1. Tighten right and left LM guide base. Follow in picture, keep push to allow way each LM guide base. <Notice> Should be front side which letter on side of LM guide base.
Adjustment of backlash (back and forth) of moving head 3-3-2 1. Adjust positioning roller shaft so as to put moving rail (lower) between bearings. Move moving head back and forth so as not to cause backlash. 2. After adjustment, check and adjust needle drop to finish Please refer to [3-3-4 Adjustment of needle position (back and forth) ].
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Assemble the moving head 3-3-3 1. Insert lower rail of moving head into 2 bearings of You also need to hold take-up lever by finger as a line. positioning plate ass'y. 2. Insert needle bar boss B into block ass'y, then insert forked part of take-up lever into take-up lever guide bar.
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Assemble the moving head 3-3-3 3. Install moving head tentatively. 5. Tighten an inside screw (arrow portion in a figure). <important> Please perform a screw bundle in order of "inside to outside." <Caution> Screw head not to come out from LM guide side. At this time, a moving head is pushed from the front and it is LM guide.
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Assemble the moving head 3-3-3 6. An outside screw (arrow portion in a figure) is tightened. At this time, a moving head is pushed from the front and it is LM guide. It is made for there to be no crevice. 7.
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Assemble the moving head 3-3-3 10. Check center (right and left)(back and forth) of needle and needle hole of needle plate.(Needle No.1 ,4 and 7.) <Caution> Should be check needle No.1 ,4 and 7. Needle hole of needle plate Needle 11.
Adjustment of needle position (back and forth) 3-3-4 1. Bring pressure foot down. (Either way mentioned below) 3. Turn upper shaft and set needle near to the lowest needle position [L] to adjust positioning plate ass’y. (1)press P_FOOT key on control box. * Insert Lower rail to between the two bearing deeply.
Check of needle position 3-3-5 5. Bring needle bar down by finger. Also you can move down the needle bar by maintenance A main switch is turned on. mode through menu of control box. is pressed and it changes into an operation state.
Adjustment of needle height 3-3-6 Referring to [3-2-1 Exchange of crank], remove lower front panel. 4. Bring needle down. 2. Remove bobbin case. 5. Turn upper shaft to set dial disc to degrees]. 3. Bring pressure foot down. (Either way mentioned below) (1)press P_FOOT key on control box.
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Adjustment of needle height 3-3-6 7.
Put needle height gauge in rotary hook. About 30 degrees 10. Tighten the screw of needle bar boss. 8. Adjust the needle bar height up and down till the needle tip touches to the gauge slightly. 11.
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Exchange of needle bar and needle bar spring 3-3-7 Referring to [3-2-1 Exchange of crank], remove lower front panel. 2. The needle which you insist to exchange needle bar should 3. Remove needle, needle holder and pressure foot. be located at offset position from bed. (1) Press key on control box.
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Exchange of needle bar and needle bar spring 3-3-7 5. Pull out needle bar. 8. Adjust needle height. At this moment, remove needle bar boss, Please refer to [3-3-6 Adjustment of needle height]. needle bar bossB, Needle bar spring H, Pressure foot block B, Pressure foot spring, Cushion and Plain washer 9.
Fixing of needle bar boss guide plate 3-3-8 1. Referring to [3-2-1 Exchange of crank], remove moving 4.
Remove boss screw. head. Please note that you need hexagonal driver for front screw and spanner (4mm for rear nut as photo below. 2.
Remove Laser
pointer
unit
ass'y.
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Fixing of needle bar boss guide plate 3-3-8 6.
Fix boss screw again. 11.
S et backing paper on embroidery frame and make needle hole on the paper. 7.
Fix block plate temporary. key on display of control box. 8.
Fix Laser pointer unit ass'y temporary.
Exchange of take-up lever 3-3-9 1. Referring to [3-2-1 Exchange of crank], remove moving 4. Remove the take up lever shaft first then remove the take- head. up lever. 5. Install take-up lever assembly. 2. Loosen screw on take-up shaft. 6.
Exchange of thread adjusting spring 3-3-10 1. Referring to [3-2-1 Exchange of crank], remove Front 4. Remove Thread adjusting plate and Thread adjusting cover. spring. 2. Remove Thread guide ass'y. 5. Exchange thread adjusting spring. Set the thread adjusting plate and thread adjusting spring to same position as picture below.
Adjustment of tension of thread adjusting spring 3-3-11 1. Referring to [3-3-10 Exchange of thread adjusting spring], remove Thread guide. 2. The Thread adjusting plate has a latch to be able to adjust tension in three steps. Loosen screw of the thread adjusting plate, then you can adjust the latch to desired position.
Adjustment of thread holder 3-3-13 Referring to [3-2-1 Exchange of crank], remove Font (2)Turn gear with finger. cover. 4. Take the hook in and out by finger to check movement of hook goes smoothly. 2. Loosen screw to the extent that thread hoIder moves. Check this at 1th , 4 needle.
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Adjustment of thread holder 3-3-13 5. If you can not set the correct position with procedure no.4, then Thread catcher device should be adjusted. 6. Check up with thread trimmer function. 7. Assemble lower front cover to terminate this procedure.
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Adjustment of thread holder 3-3-14 1. Referring to [3-2-1 Exchange of crank], remove Font cover 4. Exchange the majic-tape. 2. Remove thread holder ass’y. <View from bottom> Stick position for velcro strap 5. Assemble holder (lower). 3. Remove holder (lower). 6.
Fixing of needle bar change unit 3-4-1 1. Place needle bar change unit assembly. 3.
Turn drive gear B by finger and set needle bar to no.4. please set positioning hole on unit assembly to positioning pin. Insert arrow marked screws temporary. Connect cable. 4.
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Fixing of needle bar change unit 3-4-1 8. Please check and adjust the following timing to finish. 5. Bring needle down, turn upper shaft to set near to [L point]. Shuttle hook timing )Needle height pressure foot 6. Adjust position of unit assembly so that needle comes to center against needle hole on needle plate.
Adjustment of rotary hook timing 3-5-1 1. Remove needle plate. 3. Tighten screw on rotary hook. (3 places) 2. Bring pressure foot down. (Either way mentioned below) 4. Bring needle bar down by finger. Also you can move down the needle bar by maintenance (1)press on control box.
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Adjustment of rotary hook timing 3-5-1 6. Adjust rotary hook timing. This procedure is preconditioned to use needle type [DB-K5] in which contains with our standard accessory. At this moment, clearance between needle and rotary hook should be [0.1-0.2mm]. Check and adjust with 1st, 6th and 12th needle and tighten screws.
Adjustment of retainer on rotary hook 3-5-2 1. Loosen screw to the extent that retainer on bobbin case holder moves. 2. Install screw for Needle plate. (only front side) (This avoid interfere of screw and Rotary hook retainer during installing Needle plate) 3.
Assemble the arm ass’y 3-6-1 1. Assemble the arm ass’y. 4. Hold the right side of arm to arrow pointed direction at below picture and tighten screw. screw. 2. Hold arm to backward and tighten only hithermost <Caution> 5. Assemble detecting plate. Make sure that there is clearance between arm and Make sure that detecting plate is mount perpendicular and body.
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Assemble the arm ass’y 3-6-1 6. Check of interference between detecting plate and sensor A part or conector or connector of sensor board. A part of sensor Sensor 7. Adjust by bending detecting plate by hand if you find any interference with sensor or connector. Detecting plate Conector 8.
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Exchange of pulse motor for thread cutting driver 3-6-2 1. Referring to [3-2-1 Exchange of crank], Remove 5.
Remove Weight. Thread stand and outer covers. 2. Referring to [3-7-4 Exchange of Y carriage belt], Remove arm. 3. Remove power supply. 6.
Loosen tension screw so as to move tension.
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Exchange of pulse motor for thread cutting driver 3-6-2 8. Remove Y carriage left. 11. Remove Pulse motor. Y carriage left 12. Remove Drive gear. 9. Remove thread cutting driver センサー部 13. Install Drive gear on good Pulse motor Position of Drive gear is space from Pulse motor. 10.
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Exchange of pulse motor for thread cutting driver 3-6-2 Install each part in reverse order from step 11 to 8. 15.
Move bush guide until linear bush touches tension base then turn arrow marked screw temporary and check if timing belt and idler pulley ass'y meet well. 16.
Exchange of fixed knife 3-6-7 1. Remove needle plate. 4. Tighten fixed knife pushing to forward as full as possible and close moving knife 2. Open moving knife first, then remove fixed knife. <Notice> In case moving knife and the left side of fixed knife overlaps excessively when closing, adjust the position of fixed knife slightly to the right direction.
Adjustment of moving knife and fixed knife 3-6-8 1. Remove needle plate. <Spanner> 5.5mm 2. Open moving knife, check if knife drive shaft has no backlash in up and down direction. If backlash is found, adjust it referring to [3-6-6 Exchange of moving knife].
Adjustment of position of moving knife 3-6-9 1.Remove Needle plate and Cover (front). 5. Press Separate, then the Moving knife will be opened. Please confirm that the tip of Moving knife is located at center of Rotary hook retainer. 2. Enter maintenance mode in reference to [9-1 How to enter Tip
of
moving
knife maintenance mode] 6.
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Adjustment of position of moving knife 3-6-9 7. Press Origin, then the Moving knife will be closed. Please confirm that the Moving knife is located as drawing below. Adjustment of clearance between moving knife and fixed knife is where both tip of then are attached. 8.
Adjustment of bobbin thread holder 3-6-10 1. Remove needle plate. Through height of bobbin thread holder, you can adjust holding power for bobbin thread. Pull bobbin thread toward arrow mark and adjust the height by screw thatbobbin thread comes off with tensile gauge [20-25g].
Exchange of keeper solenoid 3-6-11 1. Remove Bed cover (lower) and take connector of Keeper 4. Exchange keeper solenoid. solenoid out. <Attention> Pushing keeper solenoid to solenoid base. Connector Insert 2.0mm thickness gauge between solenoid base to polyslider. 2. Remove E-ring on fulcrum pin. 2.0mm thickness gauge <Front view>...
Adjustment of position of keeper 3-6-12 Confirm that tip of keeper does not touch thread guide of Remove bed cover (lower), then loosen screws on bobbin case. solenoid base and stopperbracket. When tip of keeper touches thread guide, adjust it by bending keeper.
Exchange of X carriage belt 3-7-2 1. Remove frame base. 4. Remove X carriage cover. 2. Disconnect X carriage cable. 5. Remove sensor bracket. 3.Remove X carriage. 6. Loosen screw for tension.
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Exchange of X carriage belt 3-7-2 7. Remove the screw which fixes tension bracket. 10. Remove connecting plate. Remove the plate nut located other side. 8. Loosen screw (rear) slightly to the extent that tension- bracket moves. 9. Remove belt from motor pulley. 11.
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Exchange of X carriage belt 3-7-2 12. Adjust the position of belt. Space between edge of X base and belt is [10mm]. 13. Referring to [3-7-1 Adjustment of X carriage belt tension], adjust tension of belt. 14. Put removed screw and nut plate. 15.
Adjustment of Y carriage belt tension 3-7-3 Referring to [2-1 Removal of outer covers], 5. Loosen lock nut and screw for tension. remove outer covers. 2. Remove cover (front). 3. Remove weight. 6. Adjust belt tension, to use belt tension gauge. Use push and pull gauge.
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Adjustment of Y carriage belt tension 3-7-3 7. Tighten nut for tension screw. Tighten screw on tension. 8. Return weight, X carriage assembly, cover (front) and cover to previous places to finish.
Exchange of Y carriage belt 3-7-4 1. Referring to [2-1 Removal of outer covers], remove outer covers. 4. Remove Weight. 2. Remove cover (front). 3. Remove arm. 5. Loosen tension screw so as to move tension. 6. Loosen lock nut and screw for tension.
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Exchange of Y carriage belt 3-7-4 7. Remove Bush guide. 10. Set belt to belt groove of guide frame base. <Important>Exchange it so as not to break groove and convex on belt. Do not use center groove of Y belt support to avoid overlap both belt.
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Exchange of Y carriage belt 3-7-4 12. Referring to [3-7-3 Adjustment of Y carriage belt tension], adjust tension of Y belt. 13. Put arm ass’y onto bush guide and connecting plate, then check if all fixing holes (arm ass’y) are not displaced from screw holes of bush guide and connecting plate C.
Adjustment of timing belt tension 3-8-1 1. Remove bobbin winder. 4. Please return power supply to previous places. 2. Remove power supply. 5. Please return bobbin winder to previous places then adjustment to finished. Power supply 3. Adjust tension of timing belt. <Important>...
Exchange of timing belt 3-8-2 Referring to [3-2-1 Exchange of crank], Remove thread 4. Loosen screw on fasten collar for take-up lever cam. stand, outer covers, thread tension, front panel, moving head and face plate. 2. Remove winder and power supply. Power supply p ply...
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Exchange of timing belt 3-8-2 Referring to [3-8-1 Adjustment of timing belt tension], 7. Remove Support roller shaft ass'y. adjust tensile strength of timing belt. <Important> Pay attention to following (1) - (4). (1)Please fix upper pulley, crank ass’y on flat surface of upper shaft with screw tightly. (2) Please push the Upper shaft to arrow marked direction and make sure that Upper shaft collar are attached without space from machine body.
Adjustment of motor belt tension 3-8-3 1.
Referring to [3-2-1 Exchange of crank], Remove thread stand and outer covers. Gauge in the near center between drive pulley and motor pulley. 2.
Remove support bracket. Measurement point Drive pulley Motor pulley 3.
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Adjustment of motor belt tension 3-8-3 5. Tighten screw on main motor ass'y. 6. Install support bracket. . Install each parts then finish this process.
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Exchange of motor and motor belt 3-8-4 1. Referring to [3-2-1 Exchange of crank], Remove thread 4. Remove motor. stand and outer covers. 2. Remove timing detecting board ass’y. 5. If you insist to exchange Timing belt (Motor), pass new belt through space around the Drive pulley, then set the belt.
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Exchange of motor and motor belt 3-8-4 7. Install each parts in reverse order. For installation and adjustment of each part, please refer to respective manuals. Referring to [3-8-3 Adjustment of motor belt tension], adjust tensile strength of motor belt.
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Remove LCD-CE board 4-1-1 4. Remove core module. 1. Remove four setscrews as shown in the figure below and remove rear cover. 5. Remove narrow flat cable for LCD unit. 2. Remove connectors for SW cable, Box cable, cable for LCD inverter (red/white).
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8. Remove four setscrews and LCD unit. 7. Lift LCD-CE board as shown in the figure below. Remove wide flat cable for LCD unit. Mac. No. ~ 1013030 Mac. No. ~ 1013030 Wide flat cable flat cable LCD unit LCD un LCD un LCD un Display bracket...
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Setting for LCD-CE board 4-1-2 DIP switch Coin battery Mac. No. ~ 1006002 Switch to OFF on all the settings for DIP switch. Insert our official coin battery (EPZ01190). Refer to the latest parts list for the parts number. The battery is used for back-up power source of real-time clock on an embroidery machine.
Power supply settings 4-1-3 (Disconnect power plug from electrical outlet before work.) (Please use digital output tester) 1. Turn the machine on and put tester against terminal plate or connector, then turn V-ADJ to adjust to [24.6V±0.1V]. for 100V For 200V...
Adjustment of upper shaft timing (C point / L point) 4-2-1 1. Fix 2 screws tentatively timing detecting board. 4. With this state, turn to C point and check if LED1 Iights between [265 and 282 degrees]. 2. Set upper shaft to degree].
Adjustment of TC board 4-2-2 Viewing from side of circuit board, set slit so that it comes to center of sensor has to be same as the picture below. Adjustment of stop position of needle bar change unit 4-2-3 Sensor board Imagine figure of position sensor and cam Set position where sensor on sensor board and slit don't cross to area where moving head doesn't move when turning groove cam.
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Program update procedure 4-3-1 * The sequence of procedures of program update is described below.. If you need more details, please refer to each manual. 1. Insert the updated program downloaded USB memory to the USB port of the machine Maintenance Manual with its power turned “OFF”.
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Preparation for program update 4-3-2 * Download updated program file and decompress the file. Program for HCD2, HCS2, HCH, HCR2 " "MainProgramA**** " *Copy the decompressed file(s) or the folder that contains decompressed file to USB memory. File names on your PC are shown below: Program for HCD2, HCS2, HCH, HCR2 "...
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Machine program update (Main program 〜Ver.*1.21) 4-3-3 5. Select [MachineInstallData]. Insert USB memory that contains data for version up into insertion slot on the control box. 1. Refer to [ 4-4-1 How to enter maintenance mode] and enter maintenance mode. The screen shows below: 6.
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9. Press NEXT. 10. Referring to [4-3-5 Setting of revolution], Perform [Re-Initialization of machine system] And [Initializing of machine speed]. ・* End of process.
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Main program update (Main program 〜Ver.*1.21) 4-3-4 1. Insert USB memory that contains data for version up into <NOTE> insertion slot on the control box. * Please do not take out USB memory during installation. * Please do not turn off the power during installation (it will 2.
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Machine program and Main program update (Main program Ver.*1.22〜) 4-3-4a 1. Insert USB memory that contains data for version <NOTE> * Please do not take out USB memory during up into insertion slot on the control box. installation. * Please do not turn off the power during installation (it will 2.
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Setting of revolution 4-3-5 Re-Initialization of machine system Initializing of machine speed Perform this function only to fix problems with the machine. Setting of revolution of main shaft, which is suitable to the When performed, all settings in the “OPTION” menu are lost. machine is required.
Maintenance mode Maintenance mode consists of 9 items as shown below. Machine Test Movement test, maintenance, and adjustment Machine Setting Machine control setting Memory All Clear Initialization of design memory. Main Program Update Update of operation program and language data Machine Program Update Update of control program and frame move data Frame Position Entry Registration of coordinates for positioning sensor...
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Machine Test Machine movement 4-4-2 Below operation will be moved solely. In some operations, actuator of motor will be moved, Keep hands and face away during movement for your own safety. #1 Needle Adjust : Input of Needle bar detect Potentiometer #13 Position Data Entry : Confirm registration of frame (Not used in HCH) position data (Not used in HCH)
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Machine Test Machine movement 4-4-2 1. Enter maintenance mode in reference to [9-1 How to enter 5. Return to drive mode by pressing ESC and maintenance mode] 2. Press Machine Test . 3. Select desired number to be confirmed. Page is switched by pressing Selected item will be executed.
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Memory All Clear Initialization of design memory 4-4-3 Delete all the design memory. Execute this function when occurring design breakage or impossibility of design input. If abnormality is found after deleting all the data, replace LCD-CE board (or Core module) since the board might be broken. <NOTE>...
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Record Operation data display 4-4-4 You can confirm history of operation. Total number of stitch : Total number of stitch used for embroidery so far Error occurrence record : Type of errors and its occurrence date for the last 32 errors Occurrence record by error type : Accumulated number of each error occurrence Thread break history...
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Record of Error occurrence 4-4-4-2 1. Enter maintenance mode in reference to [ 9-1 How to enter * Error record is cleared by pressing OK and the screen of maintenance mode ] the procedure 3 is displayed. 2. Press Record . * If you do not prefer to clear it, press Cancel and the screen of the procedure 3 is displayed..
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Number of occurrence in each error display 4-4-4-3 1. Enter maintenance mode in reference to [ 9-1 How to enter * You can confirm accumulated number for E-000 to E-255 maintenance mode ] with 2. Press Record . * The screen returns to the previous screen by pressing BACK.
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Thread break history 4-4-4-4 ・ 1. Enter maintenance mode in reference to [ 9-1 How to enter 5. Selection menu of Clear Thread Break Count will be maintenance mode ] opened when pressing CLEAR at the screen of procedure 2. Press Record . Clear Thread Break Count ? Cancel * Thread break history is cleared by pressing OK and...
Machine setting 4-4-4-5 1. Enter maintenance mode in reference to [ 4-4-1 How to enter maintenance mode ]. 2. Press Machine Setting. 3. Select desired number and modify setting. ・Setting values become default by pressing ・Page is switched by pressing 4.
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Maintenance Register―Registration of machine maintenance date 4-4-4-6 Registration of machine maintenance date When last maintenance date is registered, next regular ・
By pressing Days button, you can change the number of maintenance date will be set automatically. days for regular maintenance. (1 ~ 3,650 dsys) ・
By pressing Hours button, you can change the number of 1.
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Machine Setting Navigation after exchanging CONT board (Main program Ver.*1.34~) 4-4-4-7 After exchange CONT board, please activate [Machine 5.Press Skip. Setting Navigation after exchanging CONT board] function. 2nd Step: Program Update Then you can set necessary machine setting with one process.
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Press OK . 9. 10. Enter the corresponding machine number. Final Step: Speed setting OK Press OK . 11. Press OK . 12. [Initializing of machine speed] will be started. Refer to [Initializing of machine speed] of [4-3-5 Setting of revolution] for more details. Setup is completed.
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HCJ8106* SENS0R Circuit Board Ass'y HCB8116* FRONT LED Circuit Board Ass'y HCJ8104* X limit sensor board ass'y 130g...
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How to respond for some question (As example step) *When you receive some question from customer, please use this step for sold problem as sample. Receive contact from customer Ask machine serial number Ask contents of question *Circumstance of machine (Windy, Dusty, Floor condition and etc) *Embroidery condition (Frame, Fabric, Thread, Pattern) *Machine creations.
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Trouble shooting(Electricity doesn’t turn on) 7-2-1 Trouble Factor Cause of trouble and measure Page Electricity 1. Did fuse blow? Mechanical doesn't turn on 1-1 If it did, replace it. 2. Check of defect on board. 2-1 Replace of CONT-J board ass'y. 2-2 Replace of LCD-CE-U board ass'y.
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How to respond for some question (As example step) *When you receive some question from customer, please use this step for sold problem as sample. Receive contact from customer Ask machine serial number Ask contents of question *Circumstance of machine (Windy, Dusty, Floor condition and etc) *Embroidery condition (Frame, Fabric, Thread, Pattern) *Machine creations.
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Trouble shooting(Electricity doesn’t turn on) 7-2-1 Trouble Factor Cause of trouble and measure Page Electricity 1. Did fuse blow? Mechanical doesn't turn on 1-1 If it did, replace it. 2. Check of defect on board. 2-1 Replace of CONT-J board ass'y. 2-2 Replace of LCD-CE-U board ass'y.
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Trouble shooting(Thread break) 7-2-2 Trouble Factor Cause of trouble and measure Page Thread break 1. Is needle drop unstable by vibration? (2-5) Mechanical 1-1 Reconsider where to install the machine. 1-2 Move the machine to floor fully reinforced. 1-3 Use strong table to be able to endure vibration. 2.
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Trouble shooting(Thread break) 7-2-2 Trouble Factor Cause of trouble and measure Page Thread break 11. No problem in rotary hook? 3-1-1 Mechanical 11-1 Clean it to remove lints. (23-2) 11-2 Furbish scratch. 11-3 If backlash of bobbin case holder and outer hook grows bigger, replace them. 3-5-1 11-4 Replace.
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Trouble shooting(Thread break) 7-2-2 Trouble Factor Cause of trouble and measure Page Thread break 24. Check tip of keeper hit the bobbin case. Mechanical 24-1 Adjust it regularly. 3-6-12 25. ls take-up lever timing proper ? 25-1 Adjust as specified. 3-2-8 26.
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Trouble shooting(Thread break) 7-2-2 Trouble Factor Cause of trouble and measure Page Thread break Operator 10. Is frame used to suit pattern size? 10-1 Use frame to suit pattern size. 11. When you dispose of thread (thread remains around rotary hook), didn't you damage rotary hook, needle plate with scissors? 11-1 Tell to dispose of thread carefully.
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Trouble shooting(Thread break) 7-2-2 Trouble Factor Cause of trouble and measure Page Thread break . Is there something that produce steam, wasted cotton, dust around. Environment the embroidery machine? 5-1 Keep the embroidery machine off those things. (2-6) 5. Does thread go out of control by taking wind from outside or heater etc.? 6-1 Keep the embroidery machine off such wind.
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Trouble shooting(Erroneous thread cut) 7-2-3 Trouble Factor Cause of trouble and measure Page Erroneous Mechanical thread cut 2. Isn't rubbing of fixed knife and moving knife weak? (E-190) 2-1 Adjust to be able to rub properly. 3-6-8 (E-193) 3. Does moving knife make smooth move? (23-3) 3-1 Check if rubbing of moving knife and fixed knife is not too strong.
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Trouble shooting(Erroneous thread cut) 7-2-3 Trouble Factor Cause of trouble and measure Page Erroneous 11. Check the needle bar moves up and down during thread cut. Mechanical thread cut 11-1 Adjust position of jump device. 3-2-5 (E-190) 11-2 Replace needle bar cushion. 3-3-7 (E-193) 11-3 Replace needle bar driver.
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Trouble shooting(Off-registration of pattern) 7-2-4 Trouble Factor Cause of trouble and measure Page Off-registration 1. Does frame move smoothly? Mechanical of pattern 1-1 Avoid curling of thread and cloth. 1-2 Reinstall of outer cover in case of touch with outer cover. 1-3 Adjust with no clearance between Arm and Connecting plate B.
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Trouble shooting(Off-registration of pattern) 7-2-4 Trouble Factor Cause of trouble and measure Page Off-registration Operator 2. Is cloth properly stretched. (6-2) (7-5) of pattern 2-1 Stretch properly. 3. Is thread tension proper? (4-5) (8-1) 3-1 Observing sewing rhythm, set thread tension properly. 4.
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Trouble shooting(Upper thread comes off from needle hole) 7-2-5 Trouble Factor Cause of trouble and measure Page Upper thread 1. Is keeper in motion? Mechanical comes off 1-1 Check if cable was cut or there is something unusual. from needle 1-2 In case solenoid is in trouble, replace.
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Trouble shooting(Upper thread comes off from needle hole) 7-2-5 Trouble Factor Cause of trouble and measure Page Upper thread 10.Check the needle bar moves when start sewing. Mechanical comes off 10-1 Adjust position to fix jump device. 3-2-5 from needle 10-2 Replace needle bar driver.
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Trouble shooting(Upper thread remains) 7-2-6 Trouble Factor Cause of trouble and measure Page Upper thread Mechanical Upper thread is difficult to come out of keeper at time of thread cut (bent or warp etc.). remains 1-1 Modify bent or warp. 1-2 Replace keeper.
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Trouble shooting(Malfunction of thread break detection) 7-2-7 Trouble Factor Cause of trouble and measure Page Malfunction 1. Trouble in turning detection roller. Mechanical thread break 1-1 Clean roller shaft holder. detection 1-2 Check if slit disc doesn't contacts sensor. 4-2-2 (empty 1-3 Clean sensor if dust gets stuck.
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Trouble shooting(Malfunction of thread break detection) 7-2-7 Trouble Factor Cause of trouble and measure Page Malfunction 1. Check circuit board. Mechanical thread break 1-1 Replace of CONT-J board ass'y. detection 1-2 Replace of TC 7 board. (not detected) Operator 1. Is thread tension proper? (slow detected) 1-1 Observing sewing rhythm, adjust to proper thread tension.
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Trouble shooting(Suspension of upper shaft) 7-2-8 Trouble Factor Cause of trouble and measure Page Suspension 1. Upper thread twine round rotary hook or rotary hook retainer. Mechanical of main shaft 1-1 Get rid of it. (E-18) 2. Check return of keeper goes smooth. (when start sewing.) (E-51) 2-1Adjust it regularly.
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Trouble shooting(Malfunction of needle bar change) 7-2-9 Trouble Factor Cause of trouble and measure Page Head does not 1. Check lint or cloth is seized between Lower Moving rail and Bearing. Mechanical move 1-1 Remove seized lint or cloth. (E-021) 2.
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Trouble shooting(Defect on Thread catcher) 7-2-10 Trouble Factor Cause of trouble and measure Page does not catch 1. Thead catcher does not extend hook sufficiently. Mechanical thread 1-1 Adjust position of Thread catcher . 3-2-18 1-2 Adjust position of Thread holder. 3-3-13 2.
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Trouble shooting(Others / Mechanical) 7-2-11 Trouble Factor Cause of trouble and measure Page 1. Check Needle is not bent. Needle Breakage Mechanical 1-1 Replace bent Needle. 3-1-2 2. Check Moving Head set securely. 2-1 Adjust Positioning Roller Shaft. 3-3-2 3. Secure adequate distance between Needle and Rotary Hook. 3-1 Adjust distance properly.
Trouble shooting( Others / Electric 7-2-12 Trouble Factor Cause of trouble and measure Page Frame overrun 1. Interference between censor circuit board and douser. Mechanical 1-1 Position adjustment of douser. 1-2 Replace of censor circuit board. 2. Check whether cable has problem or not. 2-1 Replace in case damage exists.
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Startup error and measure (Main program Ver.*1.37~) 7-3-1 Error message will be displayed if error occurs during machine startup. After confirming contents, press button [OK] on control box to release error, then restore in accordance with measure in this list. Message Error Measure...
Error and measure 7-3-2 When trouble occurred while the machine is running, error number and error item will be displayed. After confirming contents, press key [ENT.] on control box to release error, then restore in accordance with measure in this list. Message Error Measure...
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Error and measure 7-3-1 message Error measure page Slow mismatch Inadequate adjustment of number of (1)Make automatic speed setting. Initializing low speed revolution. (2)If not solved even after speed adjustment, (25-1) Low speed revolution doesn't come replace CONT-J board ass'y.. (25-2) below 100rpm.
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Error and measure 7-3-1 message Error measure page Change over While reading pattern data, the Modify pattern data and reduce frequency of color frequency of color change (color No.) change of one pattern to less than 250 times. exceeded 250 times. Divide pattern data and reduce frequency of color change of one pattern to less than 250 times.
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Tables for timing / adjustment value 7-4-1 Tables for Timing/Adjustment value Take-up lever timing 10 degrees Rotary hook timing 25 degrees Needle height 5 degrees LED2 light out at 0 degrees Main shaft timing LED1 light on at 265-282 degrees 200g Carriage 300g...
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