JUKI AC-172NN-1790 Instruction Manual
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JUKI AC-172NN-1790 Instruction Manual

JUKI AC-172NN-1790 Instruction Manual

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ENGLISH
AC-172N-1790
INSTRUCTION MANUAL

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Summary of Contents for JUKI AC-172NN-1790

  • Page 1 ENGLISH AC-172N-1790 INSTRUCTION MANUAL...

  • Page 2: Table Of Contents

    CONTENTS !.MACHINE OPERATION ................1 1. GENERAL ........................1 1-1. Features ............................. 1 1-2. Configuration of the main parts....................2 1-3. Operating precautions ......................3 2. SPECIFICATIONS ...................... 3 3. INSTALLATION ......................4 3-1. Removing the machine head fixing plate ................4 3-2.
  • Page 3 4-5. Adjusting the sub clamp ......................36 (1) Adjustng the cloth plate ....................... 36 (2) Adjustng the presser plate ....................36 (3) Adjustng the sub-clamp pressure ..................37 4-6. Adjusting the stacking board of the stacker ................ 38 4-7. Preventive measure against the material dropping during stacking ......... 38 5.
  • Page 4 (2) Regster status at the tme of your purchase ............... 73 2-13. Performing continuous stitching................... 74 (1) Selecton of contnuous sttchng data ................. 74 (2) Method of edtng contnuous sttchng data ................ 75 2-14. Setting procedure of plural motions of knife ............... 76 2-15.

  • Page 5: Machine Operation

    !.MACHINE OPERATION 1. GENERAL Manly consstng of a sewng machne, preset board, carrage, stacker, the AC-172N-1790 ndexer s desgned to automatcally carry out a seres of operatons startng wth sewng buttonholes on the front top- center strps of men’s shrts, etc. and endng wth stackng of workpeces. 1-1.

  • Page 6: Configuration Of The Main Parts

    1-2. Configuration of the main parts 1 Sewng machne head 8 Pause swtch !3 Tool box 2 Preset board 9 Hand swtch !4 Thread stand 3 Carrage !0 Workpece detector swtch !5 Flter box 4 Stacker !1 Ar gun !6 Machne head pause 5 Control panel !2 Preset adjustng knob swtch...

  • Page 7: Operating Precautions

    Max. 25 mm X sewng wdth 4 mm Sze (knfe sze) 6.4 to 19.1 mm (1/4 to 3/4”) Needle DPx5 #11J to #14J Lubrcatng ol JUKI New Defrx Ol No.1 Number of sttches 0.2 to 2.5 mm – 3 –...

  • Page 8: Installation

    3. INSTALLATION 3-1. Removing the machine head fixing plate The machine head fixing plate, which has been factory-installed on the sewing machine head at the time of delvery, should be removed. Front guard Rear guard Front auxlary connectng plate for machne head [Removing the front guard] Clamping plate Remove screws 5 whch are used to secure the front...

  • Page 9: Connecting The Power Supply

    3-2. Connecting the power supply 1) Check to be sure that the power supply n use s 200 to 240 VAC. 2) First confirm that power switch in “OFF”, then connect the power cord to the power supply. 3) Turn the power ON. Check that the blower motor s rotatng.

  • Page 10: Lubrication

    3-4. Lubrication WARNING : To protect against possible personal injury due to abrupt start of the machine, be sure to start the following work after turning the power off and ascertaining that the motor is at rest. Detailed diagram of oil amount adjusting section Oil pipe Decrease Oil amount...

  • Page 11: Installing The Panel

    3-5. Installing the panel 1) Fx operaton panel mountng plate 1 on base plate 2 . Use setscrews 3 (M5 x 25) suppled wth the unt. 2) Install operaton panel 4 . 3) Te cord 6 on the operaton panel strut wth cable clp band 5 .

  • Page 12: Installing The Thread Stand

    4) Connect cord 6 to connector 7 (CN34) comng from the control box. 5) Fx cord 6 at two ponts wth clamps 8 located under the housng. 3-6. Installing the thread stand 1) Assemble the thread stand unit, and fix the as- sembly n the hole n the table as shown n the figure.

  • Page 13: Installing The Marking Light

    3-7. Installing the marking light 1) When installing the device, temporarily fix mark- ng-lght mountng base 1 on base plate 2 wth setscrews 3 (2 x M4) suppled wth the unt. 2) Secure markng-lght cord 5 and operaton- panel cord 6 on strut 7 by means of cable clp band 4 .

  • Page 14: Adjusting The Marking Light

    Adhere seal !2 on preset table !1 by affixing the right and left edges of the seal at rght and left markng-off lnes !3 on the table. The locaton of the seal to be adhered on the preset table can be found by algn- ng the scale "21"...

  • Page 15: Installation And Adjustment Of The Material Edge Detecting Sensor (Asm.)

    3-9. Installation and adjustment of the material edge detecting sensor (asm.) This setting is only available under the men's garment mode. Be aware that the sewing machine carries out its normal operation even if the material edge detecting sensor is installed. (1) Assembling the material edge detecting sensor Put screw 2 nto the tapped hole n sensor mountng plate 1 .
  • Page 16 Secure materal edge detectng sensor cord by means of cable clp !2 together wth the hand-swtch cord and the ar hose. Open the cover of the control box. Connect brown cord (contact) of the materal edge detectng sensor juncton cord !3 to sensor juncton !3 B lue !3 B lack !3 B rown...

  • Page 17: AdjustNg The MaterAl Edge DetectNg Sensor

    (3) Adjusting the material edge detecting sensor Refer to "@-2-15. Method to change the memory switch data" p. 77 for the operation procedure of the memory switch. Turn the power ON. Set K23 (materal edge detectng sensor settng) n "enable" A. Set U53 (jump functons settng) n "enable jump"...
  • Page 18 [Precautions to be taken in setting] It s recommended to place the materal at the locaton that s 65 ± 5 mm from the center of needle as far as possble. In the case you want to set the amount of feed from the material edge to the first buttonhole to 60 mm or less, n partcular, place the materal n the range of 60 and 65 mm from the center of needle.

  • Page 19: Assembly And Adjustment Of The Auxiliary Clamp

    3-10. Assembly and adjustment of the auxiliary clamp WARNING : So as to prevent accident resulting from abrupt start of the sewing machine, be sure to turn the power OFF and discharge air before starting assembly and adjustment. (1) Assembling the auxiliary clamp Remove five screws 1 to remove rght cover 2 .
  • Page 20 Fx auxlary clamp asm. 9 wth three screws !0 . Tem- porarily fix screws 6 and 7 and the washer, removed n step 3), wth algned wth the mark-off lnes. Supply ar. Securely tghten screws 6 and 7 wth set- tng plate support !2 pressed aganst preset table !1 .
  • Page 21 Slde the cover of duct !8 to place two ar hoses !3 n the duct. Then, close the cover of duct !8 . Replace swtch cable !4 wth the cable whch s connected to "CN219." – 17 –...
  • Page 22 Dscharge ar. Remove screw @0 and nut @1 . Then, loosen screw !9 to slde end block @2 n the drecton of the arrow untl t comes off. @0 @ 1 10) Install solenod valve @4 and end block @2 by sldng them n the drecton of the arrow.
  • Page 23 12) Open the control box. Connect solenod valve cord @5 to the CN 106 connectors (red: 19-pn, black: 20-pn). * Carefully check the wrng locaton of the red and black connectors. 13) Install rght cover 2 and secure wth screws 1 . 14) Ft materal presser rubber cushon @7 on clamp @6 .
  • Page 24 16) Tghten two setscrews @9 to leave a 10-mm long slot n the top surface of the clamp @6 . When the setscrews are tght- ened to leave a 20-mm long slot there, clamp @6 s pos- tioned as shown in the figure. 17) Loosen two screws #1 .

  • Page 25: AdjustNg The AuxLAry Clamp

    (2) Adjusting the auxiliary clamp Refer to "@-2-15. Method to change the memory switch data" p. 77 for the operation procedure of the memory switch. Placing the sewing machine into the input mode Sewng pattern changng s enabled only when the backlght of LCD s blue, .e., under the nput mode.
  • Page 26 Enable the auxlary clamp settng wth data change keys !1 to dsplay edt screen Actuating the auxiliary clamp Press ready key 2 to place the sew- ng machne nto the sewng mode. (The state where the screen s n green) When you press knee swtch 9 , the cloth suc- ton devce starts suckng the materal and the auxlary clamp comes down.

  • Page 27: Operation And Adjustment

    4. OPERATION AND ADJUSTMENT WARNING: Turn OFF the power before staring the work so as to prevent accidents caused by abrupt start of the sewing machine. 4-1. Operating switches and adjusting pneumatic components Hand switch Workpiece Preset adjusting knob detector switch Speed controller of the blower for the carriage...

  • Page 28: Knee SwTch

    (3) Knee switch The heght of the swtch can be adjusted n the three stages. (It has been factory-adjusted to the mddle stage at the tme of delvery.) Loosen two screws 1 n the reverse sde of the knee swtch, and fix the switch at a height where you can oper- ate t wth ease.

  • Page 29: AdjustNg The AR Blower

    (7) Adjusting the air blower 1) The ar blower s provded wth four blow ppes as illustrated in the figure on the left. The soled arrows show the ar blowng drecton of the respectve ppes. The name and functon of each components s as follows: To be used for 1 Blower for the carrage...
  • Page 30 4) Turn knob 1 of the speed controller n the drec- ton of the arrow to ncrease the amount of ar to be blown. After the adjustment, fix the knob at the adjusted poston usng locknut 2 . Adjusting the amount of air to be blow while the machine is in operation is very dangerous.
  • Page 31 7) Adjustng the ar blower for the needle bar When dust collected on the needle bar area falls and s caught n the seams, adjust the drecton and strength of the ar blower. The ar blower blows dust away and prevents dust from fallng under needle.

  • Page 32: Vacuum Adjusting Metal Fittings

    (8) Vacuum adjusting metal fittings They are used to adjust the vacuum sucton force of the preset board for suckng the workpece. Adjust- ment s carred out by turnng metal fttng 1 . For the normal operaton, 2 in the metal fitting should not be closed.

  • Page 33: Measure To Be Taken N The Case Of Power NterruptOn DurNg OperatOn

    (10) Measure to be taken in the case of power interruption during operation If the electrcty s cut off when materal s beng brought to the sewng poston and preset board 1 and carrage 2 come n contact wth each other, dscharge ar from the machne, slghtly press pre- set board 1 back ward, rase carrage 2 by hand, and move preset board 1 toward you to return t to...

  • Page 34: Operation Of The Sewing Machine

    4-2. Operation of the sewing machine (1) Inserting the needle WARNING : To protect against possible personal injury due to abrupt start of the machine, be sure to start the following work after turning the power off and ascertaining that the motor is at rest. Hold needle wth ts recessed part facng toward the operator sde A, nsert the needle fully nto the needle clampng hole, and tghten nee- dle setscrew 1 .

  • Page 35: ThreadNg The BobbN Case

    (3) Threading the bobbin case Purl stitch Whip stitch Bobbin case Bobbin Rotating direction of bobbin and threading Ft the bobbn so that t rotates n the drecton of the arrow. Pass the thread through thread slt 1 , then through under the tenson sprng 2 , agan through thread slt 3 , and pull the thread from 4 .

  • Page 36: InstallatOn Of BobbN Case

    (5) Installation of bobbin case WARNING : To protect against possible personal injury due to abrupt start of the machine, be sure to start the following work after turning the power off and ascertaining that the motor is at rest. 1) Lft up and hold bobbn case latch lever between two fingers.

  • Page 37: RemovNg And NstallNg The BobbN Case

    (7) Removing and installing the bobbin case 1) When the bobbn thread counter s set and the operaton s performed automatcally, and bob- bn thread runs out, the next start s not per- formed. In ths state, carrage table 1 s tlted n the drecton of A , and t s smply performed to replace the bobbn.

  • Page 38: Adjusting The Seam Allowance

    4-3. Adjusting the seam allowance WARNING : Turn OFF the power before starting the work so as to prevent accidents caused by abrupt start of the sewing machine. 1) Adjust the seam allowance from the sde end of the garment to the buttonhole (dstance A n the figure), and from the top end the garment to the buttonhole (dstance B , B ’...

  • Page 39: Adjusting The Carriage Clamp

    4-4. Adjusting the carriage clamp WARNING: Turn OFF the power before starting the work so as to prevent accidents caused by abrupt start of the sewing machine. (1) Adjusting the position of the clamps Adjust the poston of the clamp only when you wsh to elmnate a clearance between the clamps or you wsh change the arrangement of the clamp.

  • Page 40: Adjusting The Sub Clamp

    4-5. Adjusting the sub clamp (1) Adjusting the cloth plate Cloth plate Preset board Preset board Cloth plate (at the 21 mm (at the 21 mm position) position) ± 0.5 Cloth plate Provde an equal lateral clearance between the preset board and the cloth plate. Provde a vertcal clearance of 1 mm or less between the preset board and the cloth plate.

  • Page 41: AdjustNg The Sub-Clamp Pressure

    (3) Adjusting the sub-clamp pressure Measure the pressure of the sub-clamp 150mm 150mm 150mm 150mm 85mm and adjust t properly. Drll holes 1 to 6 n a garment body accordng to the dmensons shown in the figure. Place the garment body on the sewng machne so that the sx holes are on the same axes wth the sub-clamps.

  • Page 42: Adjusting The Stacking Board Of The Stacker

    4-6. Adjusting the stacking board of the stacker WARNING: Turn OFF the power before starting the work so as to prevent accidents caused by abrupt start of the sewing machine. If sewng garment bodes wth pockets, adjust the stackng board followng the steps descrbed below. Ths adjustment allows the stacker to stack approx- mately 140 peces of garment bodes wth pockets ( materal : T/C board cloth ).

  • Page 43: Operation

    5. OPERATION 1 Power swtch 2 Control panel 3 Knee swtch 4 Hand swtch 5 Workpece sucton lamp 6 Temporary stop swtch 7 Machne head pause swtch WARNING: 1. The machine can be started in two different methods ; A and B modes, by changing over the Method of changing memory switch data memory switch data .
  • Page 44 When the swtch s pressed, the followng seres of operaton wll be performed automatcally [Seres of the operaton for men’s wear] The preset board moves forward and Buttonhole Index n the rght drecton Start feeds the materal on the carrage. sewng (the carrage moves) The conveyer returns to ts...

  • Page 45: Operation

    @. operation 1. How to use tHe operation panel 1-1. Configuration of the operation panel − 41 −...
  • Page 46 NAME FUNCTION NAME FUNCTION Varous data such as pattern No., KNIFE Ths key selects knfe groove wdth, LCD dsplay shape, etc. are dsplayed. rght compensaton dsplay. GROOVE WIDTH, READY Press ths key when startng sewng. Every tme ths key s pressed, RIGHT key change-over of sewng ready set state KNIFE...

  • Page 47: Basic Operation Of The Sewing Machine

    1-2. Basic operation of the sewing machine (1) Turning on the power switch The AC data nput screen 1 s dsplayed by turnng on the power swtch. (2) Selecting the pattern number to be sewn The AC pattern number A whch has been regstered can be selected by pressng ITEM SELECT key "@-1-4.

  • Page 48: Lcd Under The Ac Mode

    1-3. LCD under the AC mode (1) AC data input screen Button and display Description AC pattern No. Currently-selected AC pattern number is displayed. Pattern buttonhole No. LBH sewing data number which has been registered to the currently-selected AC pattern is displayed. Feed amount Feed amount is displayed. Number of registered but- The number of buttonholes registered to the currently-selected AC pattern is dis- tonholes played.

  • Page 49: AutomatC SewNg Screen

    (2) Automatic sewing screen Button and display Description AC pattern No. Currently-selected AC pattern number s dsplayed. Pattern buttonhole No. The LBH sewng data number whch has been regstered to the currently-select- ed AC pattern s dsplayed. Number of regstered but- The number of buttonholes whch has been regstered to the currently-selected tonholes AC pattern s dsplayed.

  • Page 50: Manual SewNg Screen

    (3) Manual sewing screen Button and display Description Sewng machne start but- When you press the button, the sewng machne starts sewng the LBH pattern data whch has been set for the operaton step to whch the carrage s brought by means of button #3 or #4 .

  • Page 51: Selecting The Ac Pattern

    1-4. Selecting the AC pattern Displaying the data input screen Only when the AC data nput screen (blue) A s dsplayed, the AC pattern selecton s enabled. If the sewng screen (green) s dsplayed, press READY key 2 to dsplay the data nput screen.

  • Page 52: Carrying Out Re-Sewing

    1-5. Carrying out re-sewing When you press PAUSE swtch A or B whle the sewng machne s n operaton under the AC mode, the sewng machne stops sewng. At ths tme, the error screen appears to notfy that the PAUSE swtch has been pressed.
  • Page 53 Returning the needle entry When you press BACKWARD key @6 , the work clamp check s moved backward by one sttch from the current poston. When you press FORWARD key @5 , the work clamp check s moved forward by one sttch from the current poston.

  • Page 54: Winding Bobbin Thread

    1-6. Winding bobbin thread (1) Winding the bobbin Set the bobbin. Ft a bobbn fully onto the bobbn wnder shaft. Take the thread from the spool and pass t through the gudes n the numercal order as shown in the figure, and wind the end of the thread several tmes around the bobbn.

  • Page 55: Using The Counter

    1-7. Using the counter Call counter setting screen. Press COUNTER key 9 under the nput mode, and counter screen A s dsplayed. Then settng s possble. Settng of the counter value can be performed only wth the nput mode (back-lght of LCD dsplay 1 s blue). In case of the sewng mode (back-lght of LCD dsplay 1 s green), press READY key 2 to set the...

  • Page 56: Registering A New Ac Pattern

    1-8. Registering a new AC pattern There are two dfferent methods to regster a new AC pattern. One s equal-nterval nput method and the other s ndvdual nput method. In the case of the former, the number of buttonholes and a button nterval are nput.

  • Page 57: CarryNg Out The NdVDual Nput

    (2) Carrying out the individual input Displaying the data input screen New AC pattern can be regstered only on the AC data nput screen (blue). Calling the new AC pattern registration screen Keep DATA key 8 held pressed untl the new pattern regstraton screen A s dsplayed.

  • Page 58: Copying The Ac Pattern

    1-9. Copying the AC pattern The data whch has already been regstered to a pattern number can be coped to another pattern num- ber whch s not used. Pattern copyng by overwrtng s prohbted. If you want to overwrte an exstng pattern, it is necessary to erase the existing pattern first.

  • Page 59: Changing Over The Garment Type Between Men's And Ladies' Garments

    1-10. Changing over the garment type between men's and ladies' garments The feedng drecton of the sewng product dffers dependng on whether the product s men's or lades' one. Displaying the AC data input screen Dsplay the AC data nput screen (blue) for the AC pattern number to be sewn.

  • Page 60: Changing Over The Pair-Stack

    1-11. Changing over the pair-stack The par-stack functon s ntended for stackng the rght and left garment bodes alternately. The sewing machine sews buttonholes and stacks the finished right or left garment body without performing buttonholng of the other-sde garment body. Set the memory swtch U54 PAIR-STACK USE to to use the par-stack functon.

  • Page 61: Operating And Operation Setting Methods For Discrete Sewing Machine

    2. OPERATING AND OPERATION SETTING METHODS FOR DISCRETE SEWING MACHINE 2-1. Input of the presser type (1) Setting procedure of the presser type Call the presser type setting parameter. When the back-light of LCD display 1 shows the input mode in blue color, it is possible to change the pattern.

  • Page 62: Table Of Presser Type

    (2) Table of presser type Set the number in the frame of engraved part number of presser to the type of presser. Type Part No. of presser foot Type 1 B151177 1 000 * Type 2 B151177 2 000 * Set type 5 when using the presser other Type 3 B151177 3 000 *...

  • Page 63: Changing Needle Thread Tension

    2-3. Changing needle thread tension Needle thread tenson can be changed whle performng tral sewng snce the data related to the needle thread tenson can be set by the sewng mode as well. Call thread tension at parallel section setting data.

  • Page 64: Performing Re-Sewing

    2-4. Performing re-sewing When stop swtch A s pressed durng sewng op- eraton, the sewng machne nterrupts sewng and stops. At ths tme, error dsplay screen B s dsplayed to nform that the stop swtch s pressed. [To continue performing sewing from some point in sewing] Sewng moton stop status Error dsplay screen B s dsplayed.

  • Page 65: Using The Initial Value Pattern

    2-5. Using the initial value pattern Ths sewng machne has the ntal value to perform the optmum sewng for the sewng shapes (30 shapes). "$. INITIAL VALUE DATA FOR EACH SHAPE TABLE" p.98. / Refer to When creatng sewng data newly, t s convenent to create t by copyng the ntal value pattern. Set the mode to the input mode.

  • Page 66: Standard Sewing Shape List

    2-6. Standard sewing shape list (5) Radal straght bar- (6) Radal taper bar- (1) Square type (2) Round type (3) Radal square type (4) Radal type tackng type tackng type PANEL PANEL PANEL PANEL PANEL PANEL DISPLAY DISPLAY DISPLAY DISPLAY DISPLAY DISPLAY (9) Eyelet straght bar-...

  • Page 67: Changing Sewing Data

    2-7. Changing sewing data (1) Initial sewing data at the time of your purchase Patterns from 1 to 10 have been already regstered at the tme of your purchase. Intal values of the square type, the cloth cuttng length of whch only s dfferent from each other, have been nputted n the "$.

  • Page 68: Method Of Setting Sewing Data With/Without Edit

    2-8. Method of setting sewing data with/without edit Ths sewng machne has been set so as not to be capable of edtng sewng data tems whch are less frequently used at the tme of your purchase. When you desre to set the data more closely n accordance wth the sewng products, set the sewng data tem to the edt possble state and use the machne.

  • Page 69: Sewing Data List

    2-9. Sewing data list Sewng data are those that can be nputted to 99 patterns from pattern 1 to 99 and can be nputted to ☆ each pattern. The sewing machine has been set in the state that the data which is necessary to set “With/ without edit”...
  • Page 70 Item Settng range Edt unt Remarks Compensation of bar-tacking width, right –1.00 to 1.00 0.05mm – Ths tem adjusts rght sde outer shape of bar-tack- ng secton n terms of overedgng secton. Top of Bottom of Bottom of square square type straight bar- type tacking...
  • Page 71 Item Settng range Edt unt Remarks 1st clearance 0.0 to 4.0 0.1mm Ths tem sets the clearance between 1st bar-tackng and knfe groove. Ths tem s appled to all shapes. 2nd clearance 0.0 to 4.0 0.1mm Ths tem sets the clearance between 2nd bar-tackng and knfe groove.
  • Page 72 Item Settng range Edt unt Remarks Speed setting of basting 400 to 4200 100st/mn Ths tem sets speed of bastng. Sewing together function – – – Ths tem selects the functon when performng sewng together first. : Without sewing : With sewing together together When "Wth sewng together"...
  • Page 73 Item Settng range Edt unt Remarks ACT timing adjustment at the start of right –5 to 5 1 sttch overedging Ths tem adjusts needle thread tenson output start tmng at rght overedgng secton. ACT timing adjustment at the start of 2nd –5 to 5 1 sttch bar-tacking...
  • Page 74 Item Settng range Edt unt Remarks Maximum speed limitation 400 to 4200 100st/mn Ths tem sets max. speed lmtaton of the sewng machne. The maxmum value of data edt s equal to the number of revolutons of K07 Maximum speed limitation of the memory swtch data. "@-2-16.

  • Page 75: Copying Sewing Pattern

    2-10. Copying sewing pattern Data of pattern No. whch has been already regstered can be coped to pattern No. whch has not been used. Overwrtng copy of the pattern s prohbted. When you desre to overwrte, perform t after erasng the pattern once.

  • Page 76: Using Pattern Register Key

    2-11. Using pattern register key Regster pattern Nos. whch are frequently used wth the pattern regster key and use them. Patterns whch have been regstered can be selected by pressng only the pattern regster key under the nput mode. (1) Method of register Set the mode to the input mode.

  • Page 77: Using Parameter Register Key

    2-12. Using parameter register key Regster parameters whch are frequently used wth parameter regster key and use them. Parameters whch have been regstered can be selected by pressng only the parameter regster key under the nput mode. In addton, ths key can use the same method as that of "@-2-11.

  • Page 78: Performing Continuous Stitching

    2-13. Performing continuous stitching Ths sewng machne can perform contnuous sttchng whch s capable of contnuously sewng plural sewng pattern data wthout lftng the presser foot. It s possble to automatcally sew up to maxmum 6 shapes n one cycle. In addition, registration of as many as 20 data can be performed.

  • Page 79: Method Of EdTNg ContNuous StTchNg Data

    (2) Method of editing continuous stitching data Set the mode to the input mode. When the back-lght of LCD dsplay 1 shows the nput mode n blue color, t s possble to se- lect contnuous sttchng data. When the back- lght shows the sewng mode n green color, press READY key 2 to change over to...

  • Page 80: Setting Procedure Of Plural Motions Of Knife

    2-14. Setting procedure of plural motions of knife Ths sewng machne can automatcally actuate the knfe plural tmes and sew a buttonhole larger than the sze of knfe by settng the sze of knfe attached from the operaton panel. Set and use ths functon when sewng varous sewng shapes wthout replacng the knfe.

  • Page 81: Method Of Changing Memory Switch Data

    2-15. Method of changing memory switch data Set the mode to input mode. level 1 When the back-lght of LCD dsplay 1 shows the nput mode n blue color, t s possble to change the memory swtch data. When the back-lght shows the sewng mode n green color, press READY key 2 to change over to the nput...

  • Page 82: Memory Switch Data List

    2-16. Memory switch data list (1) Level 1 ☆ Memory swtch data (level 1) are the moton data that the sewng machne has n common and the data that operate on all sewng patterns n common. Item Setting range Edit unit Initial value Presser lifter maximum position 0 to 17.0...
  • Page 83 Item Setting range Edit unit Initial value Selection of presser position at the time of ON of Presser Up READY key (Up/Down) Presser foot poston when READY key s pressed s set. : Presser up : Presser down Selection of the position of presser foot at the time Presser Up of the end of sewing (Up/Down) Ths tem sets the poston of presser foot at the tme of...

  • Page 84: Level 2

    (2) Level 2 ☆ Press MODE swtch for as long as three seconds and t s possble to edt. Item Setting range Edit unit Initial value Parameter setting change Permitted/Prohibited – – Change Prohbton of change of sewng data and memory swtch permtted data s set.
  • Page 85 Item Setting range Edit unit Initial value Knife cylinder lowering time (Optional) 5 to 300 Y-feed motor origin compensation –120 to 400 1 pulse (0.025mm) Needle-rocking motor origin compensa- –10 to 10 1 pulse tion (0.05mm) Presser lifter motor origin compensation –100 to 10 1 pulse (0.05mm)
  • Page 86 [K53 Sensor check mode] Under the sensor check mode A, the followng 18 dfferent sensors are dsplayed. : ON state : OFF state Press ITEM SELECT key !0 to dsplay the sensor the state of whch s to be checked. Descrpton of sensor Descrpton of sensor Thread breakage detecton...

  • Page 87: Error Code List

    3. ERROR CODE LIST Error How to Place of Descrpton of error code recover recovery E001 Contact of initialization of EEP-ROM of MAIN Turn OFF the CONTROL p.c.b. power. When data s not wrtten n EEP-ROM or data s bro- ken, data s automatcally ntalzed and the ntalza- ton s nformed.
  • Page 88 Error How to Place of Descrpton of error code recover recovery Memory switch data error E061 Turn OFF the When memory swtch data s broken or revson s old. power. E062 Sewing data error Turn OFF the When sewng data s broken or revson s old. power.
  • Page 89 Error How to Place of Descrpton of error code recover recovery Flow bar-tacking compensation error E488 Possble to Sewng data When bar-tackng length s too short to form the shape re-start after nput screen in case of flow bar-tacking shape. reset.
  • Page 90 Error How to Place of Descrpton of error code recover recovery Reverse rotation of main shaft motor E733 Turn OFF the When sewng machne motor rotates n reverse drec- power. ton. Phase-lack of power E801 Turn OFF the When phase-lack of nput power occurs. power.
  • Page 91 Error How to Place of Descrpton of error code recover recovery Abnormality of communication between main CPU E916 Turn OFF the and main shaft CPU power. When abnormalty occurs n data communcaton. Failure of communication between operation E917 Turn OFF the panel and personal computer power.

  • Page 92: Maintenance Of Sewing Machine

    #. MAINTENANCE OF SEWING MACHINE 1. MAINTENANCE 1-1. Adjusting the needle-to-hook relation WARNING : To protect against possible personal injury due to abrupt start of the machine, be sure to start the following work after turning the power off and ascertaining that the motor is at rest. Perform adjustng the needle-to-hook relaton when the needle enters the center of the needle hole n the throat plate.

  • Page 93: Adjusting The Needle Thread Trimmer

    1-2. Adjusting the needle thread trimmer WARNING : To protect against possible personal injury due to abrupt start of the machine, be sure to start the following work after turning the power off and ascertaining that the motor is at rest. ■ Adjusting the thread grasping force of the needle thread trimmer If the needle thread trmmer fals to provde conss-...

  • Page 94: Adjustment Of The Bobbin Presser Unit

    1-4. Adjustment of the bobbin presser unit WARNING : To protect against possible personal injury due to abrupt start of the machine, be sure to start the following work after turning the power off and ascertaining that the motor is at rest. Loosen nut and adjust the poston wth stopper sprng...

  • Page 95: Replacing The Clamp Cushion

    1-6. Replacing the clamp cushion If the clamp cushon of the carrage has worn out or deformed, replace t wth anew one n the followng steps of procedure. 1) Remove worn out cushon from clamp 1 ,and wpe the clamp surface cleanly. Flush 2) Attach chshon 2 suppled wth the machne on clamp 1 so that the cushon s postoned llus-...

  • Page 96: Replacing The Fuse

    1-8. Replacing the fuse WARNING : 1. To avoid electrical shock hazards, turn OFF the power and open the control box cover after about five minutes have passed. 2. Open the control box cover after turning OFF the power without fail. Then, replace with a new fuse with the specified capacity.

  • Page 97: Gauge Components

    2. GAUGE COMPONENTS ■ Cloth cutting knife A Knfe sze (nch) B Knfe sze (mm) C Mark D Part No. B2702047F00 B2702047K00A 7/16 11.1 B2702047I00 12.7 B2702047L00A 9/16 14.3 B2702047V00 15.9 B2702047M00A 11/16 17.5 B2702047A00 19.1 B2702047N00 22.2 B2702047P00 25.4 B2702047Q00A 1-1/4 31.8...

  • Page 98: Daily Maintenance

    3. DAILY MAINTENANCE 3-1. Removing dust near the bobbin case Hold knob 2 and open hook cover 1 . Then re- move dust (thread waste and cloth waste) near bobbn case 3 . If dust collects near the bobbin case, sewing is deteriorated.

  • Page 99: Draining Of The Air Regulator

    3-4. Draining of the air regulator When bottle 1 s flled wth water, draw out one- touch jont 3 from regulator 2 , and press dran button 4 to perform dranng. It s recommended to perform dranng each tme before operatng the machne or after operatng. 3-5.

  • Page 100: Troubles And Corrective Measures

    4. TROUBLES AND CORRECTIVE MEASURES Troubles Causes Correctve measures Page 1. Needle thread break- 1. Thread tenson at parallel secton ™ Decrease the thread tenson at paral- p.59 s too hgh. lel secton. 2. Pressure or stroke of thread take- ™...
  • Page 101 Troubles Causes Correctve measures Page 8. Thread frays. 1. Number of sttches of te sttchng ™ Increase the number of sttches of te p.63 s too small. sttchng at the end of sewng. (Sew- ng data 2. Wdth of te sttchng s too wde. ™...

  • Page 102: Initial Value Data For Each Shape Table

    $. INITIAL VALUE DATA FOR EACH SHAPE TABLE Shape selecton Level 3 (30 shapes) Item Unt Shape selecton Level 2 (20 shapes) Shape selecton Level 1 (12 shapes) Sewng shape Cloth cuttng length 12.7 12.7 12.7 12.7 12.7 12.7 12.7 12.7 12.7 12.7...

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Ac-172n-1790

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