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HappyJapan HCS3-1201-30 Maintenance Manual

Embroidery machine
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Maintenance Manual for Embroidery Machine
HCS3-1201-30
Version 1.0
HappyJapan Inc.

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Summary of Contents for HappyJapan HCS3-1201-30

  • Page 1 Maintenance Manual for Embroidery Machine HCS3-1201-30 Version 1.0 HappyJapan Inc.

  • Page 2: For Safe Adjustment And Repair

    # For safe adjustment and repair # In order to conduct adjustment and repair safely and surely, please be 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.
  • Page 3 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...
  • Page 4 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...
  • Page 5 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...
  • Page 6 Index Page 4-5-2 Machine Test Machine movement 4-5-3 Memory All Clear Initialization of memory 4-5-4 Record Opereration data display 4-5-4-1 Total number of stitch 4-5-4-2 Record of Error occurrence 4-5-4-3 Number of occurrence in each error display 4-5-4-4 Thread break history 4-5-4-5 Machine setting 4-5-4-6 Maintenance Register―Registration of machine maintenance date 4-5-4-7...
  • Page 7 Special tool, Measuring equipment, Other EJIG-R40 HSA90050 Keeper positioning jig ) Bering positioning gauge [4.85mm]...
  • Page 8 Special tool, Measuring equipment, Other HSA90080 HSA90200 Retainer positioning gauge [0.8mm] 0.03mm thickness gauge HSA90090 HSA90230 Positioning pin Tensile gauge HSA90131 1.2mm thickness gauge...
  • Page 9 Special tool, Measuring equipment, Other HSA90311 HSA90240 Shell alvania EP Grease 100g Dial-gauge set HSA90270 Vernier calliper gauge [200mm] M0404342 Needle height gauge HSA90280 Tension gauge 1000cN...

  • Page 10: Outline Of Mechanical Mechanism

    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 Frame base Thread holder Needle plate Rotary hook Rotary hook cover...
  • Page 11 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...

  • Page 12: Placement Of Key Electronic Parts

    Placement of key electronic parts Pulse motor (Needle bar change unit) CONT-S3 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)
  • Page 13 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.
  • Page 14 (CONTROL BOX) Removal of outer covers <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. Please reverse procedure when installing control box. 2.
  • Page 15 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) 7. Remove the guide. 10. Unlock nail of the cover (left) by pressing an arrow point of the cover (right).
  • Page 16 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.
  • Page 17 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.

  • Page 18: Maintenance Of Thread Path

    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.
  • Page 19 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.

  • Page 20: Fixing Of Needle

    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...

  • Page 21: Selection Of Thread

    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)

  • Page 22: Relation Between Needle And Upper Thread

    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.
  • Page 23 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.
  • Page 24 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 circuit board assembly for timing detecting board. Cable 1 pcs, Screw 2 pcs 8. Remove face plate on the left. 11.
  • Page 25 Exchange of crank 3-2-1 12. Loosen screw on upper shaft collar, upper pulley, 16. Remove Needle bar boss stopper. drive pulley. 17. Loosen fixing screws and pull down pressure foot guide bar and guide shaft. 13. Loosen collar screw on take-up lever cam. Pressure foot guide bar Guide shaft...
  • Page 26 Exchange of crank 3-2-1 20. Put parts once removed back in reverse order 21. 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.

  • Page 27: Exchange Of Rod

    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. <Caution>...

  • Page 28: Adjustment Of The Lowest Needle Point

    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.

  • Page 29: Exchange Of Needle Bar Driver

    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. <Caution> Do not lost simm material. 3. Pull out main shaft in head.
  • Page 30 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>...
  • Page 31 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 Jump shaft of jump device and Needle bar driver as illustrated below.
  • Page 32 Adjustment of fixing of jump device 3-2-5 5. Set upper shaft to [180 degrees] and confirm that the tip of the body is located at right side of the Head shaft center line. 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.

  • Page 33: Exchange Of Take-Up Lever Cam

    Exchange of take-up lever cam 3-2-6 (2)Make sure that pulleys and collars are attached １. Referring to [3-2-1 Exchange of crank], without space from machine body except upper pulley. pull out upper shaft ２. Remove take up lever cam. (3)Position of upper pulley is space from upper shaft collar.

  • Page 34: Exchange Of Roller Shaft Ass'y

    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.

  • Page 35: Adjustment Of Take-Up Lever Timing

    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>...

  • Page 36: Exchange Of Pressure Foot Cam

    Exchange of pressure foot cam 3-2-9 1. Remove screw on pressure foot cam. 4. Exchange has finished. 2. Exchange pressure foot cam. 3. Put on grease to pressure foot cam. <Grease> Shell alvania EP Grease2 (Shell Gudas S2 V220 2)

  • Page 37: Check Of Height Of Pressure Foot

    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.

  • Page 38: Exchange Of 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.

  • Page 39: Adjustment Of Height Of Pressure Foot Guide Bar

    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.

  • Page 40: Exchange Of Pressure Foot Link And Block

    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.
  • Page 41 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.
  • Page 42 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>...
  • Page 43 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>...

  • Page 44: Exchange Of Pressure Foot Guide

    Exchange of pressure foot guide 3-2-15 4. Exchange guide. Referring to [3-2-1 Exchange of crank], Remove face plate (left) ass’y and moving head. Loosen the screw and move the Guide bar boss B lower. 5. Assemble the pressure foot gude bar and Pressure foot 2.

  • Page 45: Exchange Of Pulse Motor For Pressure Foot

    Exchange of pulse motor for pressure foot 3-2-16 4. Remove drive gear A. Change needle bar to no. 0 and disconnect cable from 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.
  • Page 46 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. Continue to conduct [Adjust the pressure foot bracket ass’y].

  • Page 47: Adjustment Of Pressure Foot Bracket Ass'y

    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.

  • Page 48: Exchange Of Thread Catcher

    Exchange of thread catcher 3-2-18 Press , take thread catcher unit in Catcher Adjust and out, and move and adjust the sensor shown in Tighten the screws securely while pushing thread the direction of the arrow so that the dimension in catcher unit in the direction of the arrows of the the following figure meets the value in the following figure to fix the unit.
  • Page 49 Exchange of thread catcher 3-2-18 6. 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.”...

  • Page 50: Adjustment Of Bobbin Winder

    Adjustment of bobbin winder 3-2-21 # Adjust if the thread is leans to one side. 4. Assemble guide as tentatively. 1. Assemble the winder bracket ass’y tentatively. 5. Confirm that the shaft does not touch the cover by turning motor. 2.
  • Page 51 Adjustment of bobbin winder 3-2-21 6. Adjust bobbin thread tension [30g] by tension gauge. 9.Adjust the height of Guide to adjust volume of thread to be winded. 7. Rewind the bobbin thread. 10. Reinstall the parts which has been removed. 8.
  • Page 52 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.

  • Page 53: Adjustment Of Backlash (Back And Forth) Of Moving Head

    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) ].
  • Page 54 Assemble the moving head 3-3-3 3. Put in SIMM [0.05mm] between a moving head and 1. Please confirm that the position of needle bar change LM guide. unit is set at 12 needle. * Don't tighten a screw only by inserting SIMM here. Please give <Caution> Do not lost simm material. 2. moving head を 12th needles の位置で、 Install moving head tentatively.
  • Page 55 Assemble the moving head 3-3-3 4. Turn the drive shaft B screw for manual operation, <Veiw of left side> and make it the 1st needle. Moving head * When a moving head is caught on the way and does not carry out horizontal movement.
  • Page 56 Assemble the moving head 3-3-3 6. Tighten an inside screw (arrow portion in a figure). 7. An outside screw (arrow portion in a figure) is tightened. <important> Please perform a screw bundle in order of "inside to outside." 8. Turn the drive shaft B screw for manual operation, and make it the 12th needles.
  • Page 57 Assemble the moving head 3-3-3 At this time, a moving head is pushed from the front and it is 11. Check center (right and left)(back and forth) of needle and LM guide. needle hole of needle plate.(Needle No.1 ,6 and 12.) It is made for there to be no crevice.

  • Page 58: Adjustment Of Needle Position (Back And Forth)

    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 key on control box. (2)Turn gear with finger.

  • Page 59: Check Of Needle Position

    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.

  • Page 60: Adjustment Of Needle Height

    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.
  • Page 61 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.
  • Page 62 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 be located at offset position from bed. 3. Remove needle, needle holder and pressure foot. (1) Press key on control box.
  • Page 63 Exchange of needle bar and needle bar spring 3-3-7 5. Pull out needle bar. At this moment, remove needle bar boss, 8. Adjust needle height. needle bar bossB, Needle bar spring H, Pressure foot Please refer to [3-3-6 Adjustment of needle height]. block B, Pressure foot spring, Cushion and Plain washer (M6).

  • Page 64: Fixing Of Needle Bar Boss Guide Plate

    Fixing of needle bar boss guide plate 3-3-8 1. Referring to [3-2-1 Exchange of crank], remove 3. Remove boss screw. moving head. Please note that you need hexagonal driver for front screw and spanner (4mm for rear nut as photo below. <Caution>...
  • Page 65 Fixing of needle bar boss guide plate 3-3-8 5. Fix boss screw again. 6. Fix Clamp of laser pointer cable temporary. 7. Referring to [3-3-3 Assemble the moving head], Put moving head and other removed parts 8. Adjust height of block plate and confirm that pressure foot block B should goes into groove of guide bar boss B as photo below, then fix screws.

  • Page 66: Exchange Of Take-Up Lever

    Exchange of take-up lever 3-3-9 4. Remove the take up lever shaft first then remove the take- 1. Referring to [3-2-1 Exchange of crank], remove moving up lever and plastic washer. head. <Caution> Do not lost simm material. 5. Install take-up lever and plastic washer. 2.

  • Page 67: Exchange Of Thread Adjusting Spring

    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.

  • Page 68: Adjustment Of Tension Of Thread Adjusting Spring

    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.
  • Page 69 Adjustment of laser pointer 3-3-12 key on display of control box. 1. Referring to [3-2-1 Exchange of crank], remove 4. Press Font cover. Do not disconnect the laser pointer cord. 5. Adjust position of laser pointer that the ray of laser should goes into theneedle hole. Fix the nut.

  • Page 70: Adjustment Of Thread Holder

    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.
  • Page 71 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.
  • Page 72 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. 5. Assemble holder (lower). 3. Remove holder (lower). 6. Install holder ass’y to moving head in reverse order to finish.

  • Page 73: Fixing Of Needle Bar Change Unit

    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.
  • Page 74 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.

  • Page 75: Adjustment Of Rotary Hook Timing

    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.
  • Page 76 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.

  • Page 77: Adjustment Of Retainer On Rotary Hook

    Adjustment of retainer on rotary hook 3-5-2 1. Loosen screw to the extent that retainer on bobbin case ‘holder moves. (2pcs) Retainer on rotary R t i 2. Adjust position back and forth, left and right. Space has to be [0.8mm] and the position right and left is center of the needle.

  • Page 78: Assemble The Arm Ass'y

    Assemble the arm ass’y 3-6-1 1. Assemble the arm ass’y tentatively. 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.
  • Page 79 Assemble the arm ass’y 3-6-1 6. Check of interference between detecting plate and two A part or conector sensors or connector of sensor board. A part of sensor Detecting plate Sensor Conector Sensor 7. Adjust by bending detecting plate by hand if you find any interference with sensor or connector.
  • Page 80 Exchange of pulse motor for thread cutting driver 3-6-2 1. Referring to [3-2-1 Exchange of crank], 5. Loosen the screw for coupling of the Y carriage. Remove Thread stand and outer covers. 2. Referring to [3-7-4 Exchange of Y carriage belt], Remove arm.
  • Page 81 Exchange of pulse motor for thread cutting driver 3-6-2 12. Remove Drive gear. 8. Remove thread cutting driver. 9. Disconnect cable. 13. Install Drive gear on good Pulse motor Position of Drive gear is space from Pulse motor. 10. Remove Pulse motor. 13.
  • Page 82 Exchange of bobbin thread holder 3-6-3 Remove and 1. By referring the “3-3-4 check of needle position”, open 1. exchange the bobbin thread holder to By referring the “3-3-4 check of needle position”, open good one. the hole into the seal of needle plate. *Note the number of needle.

  • Page 83: Exchange Of Moving Knife

    Exchange of moving knife 3-6-6 1. By referring the “3-3-4 check of needle position”, open 5. Remove the knife shaft. the hole into the seal of needle plate. *Note the number of the needle. Loosen 6. Exchange moving knife. 2. Remove needle plate. (Fixing screws 2pcs) 7.

  • Page 84: Exchange Of Fixed Knife

    Exchange of fixed knife 3-6-7 1. Remove needle plate. (Fixing screws 2pcs) 3. Attach the needle plate. 4. Referring to [3-6-8 Adjustment of moving knife and fixed knife], check how well thread is cut and adjust, then finish this process. 2.

  • Page 85: Adjustment Of Moving Knife And Fixed Knife

    Adjustment of moving knife and fixed knife 3-6-8 ＜Spanner＞ 5.5mm 1. Remove needle plate. (Fixing screws 2pcs) 2. Open the keeper cover. 4. Cut thread and check how well it is cut. Use two polyester threads for checking. Threads 5. Check several times and it no mistakes are found, 3.

  • Page 86: Adjustment Of Position 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.
  • Page 87 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. 1mm Make sure that the tip of the moving knife is positioned as shown in the figure with respect to the fixed knife.

  • Page 88: Adjustment Of Bobbin Thread Holder

    Adjustment of bobbin thread holder 3-6-10 1. Remove needle plate. 4. Adjust height of bobbin thread holder with adjusting screw. 2. Remove keeper cover. (Fixing screws 2pcs) 5. Pull bobbin thread toward arrow mark and see that bobbin thread comes off with tensile gauge [5 - 8g]. Threads 3.

  • Page 89: Exchange Of Keeper Solenoid

    Exchange of keeper solenoid 3-6-11 3. Remove keeper solenoid ass’y. 1. Remove connector for keeper solenoid. ( Fixed screw 2pcs. ) 4. Exchange keeper solenoid. (Fixing screw 2pcs Keeper plunger Solenoid base. Connector Clearance between keeper plunger and solenoid base 2.

  • Page 90: Adjustment Of Position Of Keeper

    Adjustment of position of keeper 3-6-12 1. Loosen screw for stopper. (Fixing 1 screw) ＜View form right＞ Keeper positioning About 0.5mm gauge (bobbin) Keeper 2. Pull the stopper backward and adjust the keeper waiting position. 4. Perform sewing test and verify upper thread should not tangled with the keeper at waiting position.

  • Page 91: Adjustment Of X Carriage Belt Tension

    Adjustment of X carriage belt tension 3-7-1 1. Remove frame base. 4. Remove X carriage cover. (Screw : 2 pcs) 2. Disconnect X carriage cable. 5. Remove sensor bracket. 3. Remove X carriage. (Screw : 2 pcs) 6. Loosen fixing screw for tension pulley bracket slightly. (front side)
  • Page 92 Adjustment of X carriage belt tension 3-7-1 7. Loosen fixing screw for tension pulley bracket slightly. Adjustment, tighten fixing screw for tension pulley bracket. (rear side) 8. Adjust belt tension. Use push and pull gauge. 9. Tighten fixing screw for tension pulley bracket. (front side) <Adjustment value>...

  • Page 93: Exchange Of X Carriage Belt

    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.
  • Page 94 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.
  • Page 95 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.

  • Page 96: Adjustment Of Y Carriage Belt Tension

    Adjustment of Y carriage belt tension 3-7-3 Referring to [2-1 Removal of outer covers], 5. Adjust belt tension, to use belt tension gauge. remove outer covers. Use push and pull gauge. <Adjustment value> Adjusted to be [500cN] at state that Belt attaches to Rail. 2.
  • Page 97 Adjustment of Y carriage belt tension 3-7-3 6. Tighten screw on tension. 7. Tighten lock nut for tension adjustment screw. 8. Put other removed parts back to finish.

  • Page 98: Exchange Of Y Carriage Belt

    Exchange of Y carriage belt 3-7-4 1. Referring to [2-1 Removal of outer covers], 6. Remove belt holding plate. remove outer covers. 2. Remove cover (front), referring to [3-6-1 Assemble the arm ass’y], remove arm. 3. Loosen lock nut for tension adjustment screw. <Spanner>...
  • Page 99 Exchange of Y carriage belt 3-7-4 9. Fix belt holding plate. 10. Referring to [3-7-3 Adjustment of Y carriage belt tension], adjust tension of Y belt. 11. Put other removed parts back to finish.

  • Page 100: Adjustment Of Timing Belt Tension

    Adjustment of timing belt tension 3-8-1 1. Remove bobbin winder. Please move tension shaft ass’y upward and 2. Remove Bobbin winder, power supply. downward to adjust. Screw 4 pcs Bobbin winder 4. Please return power supply to previous places. 5. Please return bobbin winder to previous places then adjustment to finished.

  • Page 101: Exchange Of Timing Belt

    Exchange of timing belt 3-8-2 Referring to [3-2-1 Exchange of crank], Remove thread 3. Loosen screws on upper shaft collar, stand, outer covers, thread tension, front panel, moving upper pulley and drive pulley. head and face plate. 2. Remove timing detecting board ass’y. Cable 1 pcs, Screw 2 pcs 4.
  • Page 102 Exchange of timing belt 3-8-2 <Important> Pay attention to following (1) - (4). 6. Pull out upper shaft. (1)When you install upper shaft collar, upper pulley, drive pulley and crank, please fix them on flat surface of upper shaft with screw. (2)Make sure that pulleys and collars are attached without space from machine body except upper pulley.

  • Page 103: Adjustment Of Motor Belt Tension

    Adjustment of motor belt tension 3-8-3 １. Referring to [3-2-1 Exchange of crank], Remove thread Screw stand and outer covers. 2. Remove winder and power supply. Screw 4 pcs Winder Screw 4. Loosen screw on motor bracket. Power supply 3. Remove two screws shown in the following figure and inverter.
  • Page 104 Adjustment of motor belt tension 3-8-3 5. Adjust motor belt tension. Move main motor upward and downward to adjust. Use push and pull gauge. <Adjustment value> 320 - 330 g / 3mm Gauge in the near center between drive pulley and motor pulley. 6.
  • Page 105 Exchange of motor and motor belt 3-8-4 1. Referring to [3-2-1 Exchange of crank], Remove thread 4. Loosen screws on upper shaft collar, stand and outer covers. upper pulley and drive pulley. 2. Remove timing detecting board ass’y. Cable 1 pcs, Screw 2 pcs 5.
  • Page 106 Exchange of motor and motor belt 3-8-4 <Important> Pay attention to following (1) - (4). 7. Pull out upper shaft. (1)When you install upper shaft collar, upper pulley, drive pulley and crank, please fix them on flat surface of upper shaft with screw. (2)Make sure that pulleys and collars are attached without space from machine body except upper pulley.
  • Page 107 Remove LCD-T board 4-1-1 4. Remove core module. 1. Remove four setscrews as shown in the figure below Spread the latches on the left and right of the arrow and remove rear cover. outward, and raise the module toward you to remove it. 5.
  • Page 108 7. Lift LCD-T board as shown in the figure below. 9. Remove touch panel. Remove wide flat cable for LCD unit. （ （ When the tape for fixing is stuck on connector, please peel off.） ） Connector Touch panel Please reverse procedure when installing LCD-T board. Wide flat cable When you pull the latch to cord side, the cord release.
  • Page 109 Setting for LCD-T board 4-1-2 Memory card Back-up battery Insert our official memory card (EPZ0122*). Refer to The battery is used for back-up power source of real-time the latest parts list for the parts number. clock on an embroidery machine. This memory card contains programs and data for an Replace new LCD-T board if clock dose not indicate embroidery machine.

  • Page 110: Power Supply Settings

    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...

  • Page 111: Adjustment Of Upper Shaft Timing (C Point / L Point)

    Adjustment of upper shaft timing (C point / L point) 4-2-1 1. Remove bobbin thread winding motor ass’y. 5. With this state, turn to C point and check if LED1 Iights between [265 and 282 degrees]. 2. Fix 2 screws tentatively timing detecting board. * Check dose not scratch plastic slit to Timing sensor.

  • Page 112: Adjustment Of Tc Board

    Adjustment of TC board 4-2-2 Viewing from side of circuit board, set slit so that it comes to center of sensor, fix it. 4-2-3 Adjustment of stop position of needle bar change unit 1. Remove potentiometer ass’y. Imagine figure of position sensor and cam 2.
  • Page 113 Remove of Inverter 4-3-1 <Notice> 4. Loosen screw with Phillips screwdriver for precision Please disconnect machine inlet from the wall. instrument and remove 9 cables. (Cable color: <Check> ORANGE, BROWN, PURPLE, WHITE, GREEN, Before you start to work, make sure the display of BLUE, YELLOW, BLACK, and GLAY) inverter is off.
  • Page 114 7. Remove two screws shown in the following figure and inverter. Inverter for 110 - 120V Inverter for 200 - 230V End of process. Screw Screw...

  • Page 115: Inverter Installation

    Inverter Installation 4-3-2 <Note> Please check your replacement inverter type and machine 2. Remove main terminal cover Voltage specification before replace inverter. Hold both left and right ends of main terminal cover with fingers and slide the cover toward yourself and remove it. Sticker on inverter Main terminal cover For 110 - 120V...
  • Page 116 4. Tighten screws with screwdriver to install power cable and 5. Tighten screw and connect 9 cables the following motor cable per the following connection diagram. connection diagram. (Cable color: ORANGE, BROWN, (Cable color: GLAY, WHITE, BLACK, BLUE, BROWN) PURPLE, WHITE, GREEN, BLUE, YELLOW, BLACK, and GLAY) 6.
  • Page 117 main terminal cover 7. Set Install main terminal cover Hold both left and right ends of main terminal cover with fingers and install the cover in the inverter <Note> Install main terminal cover not to apply stress to the cable. If stress is applied to the cable, load is applied to the screws for the main terminal and the screws might be loosened.

  • Page 118: How To Set Inverter

    How to set inverter 4-3-3 In case of spare parts supply, parameter is preset. Please contact HAPPY, when you need to change it. Parameter cannot be set while machine is running . Pay attention to electric wires as setting is done with power is on. How to release the setting change prohibition Next, change each setting.
  • Page 119 How to set the prohibition setting 10. After each setting is done, select [ F 0 0 ] by pressing Up or Down key to return to setting change prohibition. 11. Press FUNC/DATA. 0 ] is blinking. Press Up key while pressing STOP. 1 ] is blinking.
  • Page 120 Initialization of parameter 4-3-4 Please note that you are unable to make this setting while the machine is running. When setting is mistakenly made in mid way, the setting will return to parameter in normal standard in one action. Thereafter please change to parameter you want to set. 1.
  • Page 121 Program update procedure 4-4-1 * The sequence of procedures of program update is described below.. If you need more details, please refer to Instruction book for embroidely machine. 1. Insert the updated program downloaded USB memory to the USB port of the machine. Maintenance Manual 4-4-3 Each program update Instruction book...
  • Page 122 Preparation for program update 4-4-2 * Download updated program file. Program for HCS3 " UPDATE_*.**.**.IMG " <NOTE 1> ・Copy the program to the root folder of USB memory.

  • Page 123: Program Update

    Program update 4-4-3 1. Insert USB memory that contains data for version 5. Select the file “UPDATE***.IMG”. up into insertion slot on the control box. 2. Press (MENU) and press (OTHER). When the version of each program and the version in the update file are different, the version number is displayed in red.
  • Page 124 Initialization Initializing of machine speed 4-4-4 Initialization the system Perform this function only to fix problems with 5. Press OK . the machine. When performed, all settings in the “OPTION” menu Formatting of the machines systems are carried are lost. out.

  • Page 125: How To Enter Maintenance Mode

    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...
  • Page 126 Machine Test Machine movement 4-5-2 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. #13 Position Data Entry : Confirm registration of frame #1 Needle Adjust : Input of Needle bar detect Potentiometer position data (Not used in HCH Plus) (Not used in HCH Plus)
  • Page 127 Machine Test Machine movement 4-5-2 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.
  • Page 128 Memory All Clear Initialization of design memory 4-5-3 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-T board (or Core module) since the board might be broken. <NOTE>...
  • Page 129 Record Operation data display 4-5-4 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...
  • Page 130 Record of Error occurrence 4-5-4-2 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..
  • Page 131 Number of occurrence in each error display 4-5-4-3 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.
  • Page 132 Thread break history 4-5-4-4 ・ 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...

  • Page 133: Machine Setting

    Machine setting 4-5-4-5 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.
  • Page 134 Maintenance Register―Registration of machine maintenance date 4-5-4-6 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.
  • Page 135 Machine Setting Navigation after exchanging CONT board 4-5-4-7 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. 6．Press 4-4-3 Program update Save the latest program to USB memory 4-4-4 Initializing of machine speed And set USB to USB slot on panel.
  • Page 136 Press OK . 10． 11. Enter the corresponding machine number. Final Step: Speed setting Press OK . 12． Press OK . 13． [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.

  • Page 137: Electrical Connection Diagram

    Electrical connection diagram...

  • Page 138: Electrical Connection Diagrams

    Electrical connection diagrams...
  • Page 139 List of electrical connection diagrams...
  • Page 140 Connection of inverter 100V...
  • Page 141 Connection of inverter 200V...
  • Page 142 Explanation of function of circuit board HCD8126* LCD-T board Ass'y Parts side Back side CN No. Function Core module I/F Machine CPU I/F TP-SW board I/F 7in LCD I/F X5-1 7in touch panel input X5-2 10.4in touch panel input X5-3 USB-A connector 3 X5-4 10.4in LCD I/F...
  • Page 143 HCB8118* USB connector board ass'y CN No. Function USB input...
  • Page 144 HCD8116* TP-switch board ass'y...
  • Page 145 HCB8120* Function CN10 CN12 CN14 CN16 CN21 CN-M2 CN-M3 CN-M4 CN-M6 CN-M9...
  • Page 146 HCB8105* TC12 board ass'y HCB8109* Timing detecting board ass'y...
  • Page 147 HCJ8106* SENS0R Circuit Board Ass'y HCR8129* FRONT LED Circuit Board Ass'y HCB8110* X limit sensor board ass'y...

  • Page 148: How To Respond For Some Question (As Example Step)

    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.
  • Page 149 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-** board ass'y. 2-2 Replace of LCD- ** board ass'y.
  • Page 150 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.
  • Page 151 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.
  • Page 152 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.
  • Page 153 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.
  • Page 154 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.
  • Page 155 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.
  • Page 156 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.
  • Page 157 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.
  • Page 158 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.
  • Page 159 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.
  • Page 160 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.
  • Page 161 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.
  • Page 162 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.
  • Page 163 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-** board ass'y. detection 1-2 Replace of TC board. (not detected) Operator 1. Is thread tension proper? (slow detected) 1-1 Observing sewing rhythm, adjust to proper thread tension.
  • Page 164 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.
  • Page 165 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.
  • Page 166 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.
  • Page 167 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.

  • Page 168: Troubleshooting

    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.
  • Page 169 Startup error and measure 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 Exchanged When only control box has been control box or...

  • Page 170: Error And 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...
  • Page 171 Error and measure 7-3-2 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-** board ass'y.. (25-2) below 100rpm.
  • Page 172 Error and measure 7-3-2 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.
  • Page 173 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 500cN Carriage 500cN...
  • Page 174 Use TAJIMA made tubular frame 7-4-2...
  • Page 175 2020 / 10 HappyJapan Inc. 9-5. TAITO 2-CHOME,TAITO-KU,TOKYO,JAPAN TEL +81-3-3834-0711 FAX +81-3-3835-8917...

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