Juki HZL-E61 Computerized Sewing Machine
Contents
1. COMPUTER SEWING MACHINE HZL E61 SERVICE MANUAL m modest Se DE Ca Al mex ML ES fu FR RR artt xy LU bl 0p SX mq V 2 Le 35 a SES di 1 A H K t o Ld EL CS ES Mi x 5 1 PRODUCT SPECIFICATIONS FOR HZL E61 1 2 NAMES OF THE RESPECTIVE COMPONENTS 3 3 HOW TO REMOVE THE OUTER COMPONENTS 5 4 CIRCUIT BOARD CONNECTION DIAGRAM 9 5 ADJUSTMENT OF THE RESPECTIVE COMPONENTS 11 5 1 1 Adjusting the needle bar height sess 11 5 1 2 Adjusting the zigzag width needle entry position 11 5 1 3 Feed dod helg il 12 A Wa vU ET 2 12 5 1 5 Feed E 13 5 1 6 Needle to hook timing s ssessrsrrsrersssssrnrarnnnenrununrnnannrnenn nna 13 14 5 1 7 Clearance between the needle and the blade point of the hook 15 5 1 8 Position of the bobbin case stopper plate 15 5 1 9 Adjusting the bobbin thread tension EE 16 5 1 10 Opening amount of the pre tension disk 16 5 1 11 Opening amount of the tension disk 16 5 1 12 Adjusting the needle thread tension 2 2 22 17 5343 Tension knob TE 17 5 1 14 Vertical p2. How to adjust 1 In case of increasing the needle thread tension 1 Turn the tension knob in the direction of a until it comes in contact with the stopper 2 Move shift the tension knob to the right side and the engagement with the tension cam is disengaged On this condition turn the tension knob in the direction of 2 In case of decreasing the needle thread tension 1 Turn the tension knob in the direction of b until it comes in contact with the stopper 2 Move shift the tension knob to the right side and the engagement with the tension cam is disengaged In this state turn the tension knob in the direction of b Tension knob After performing the adjustment of 5 1 12 re adjust so that the thread tightness ratio is 100 to 108 with cotton broad cloth and SHAPPE SPAN 60 Then perform fine adjustment in the 5 1 13 above 17 5 1 14 Vertical position of the threader hook Remove the face cover How to adjust 1 Attach a household needle HAx1 11 2 Turn the hand wheel to bring the needle bar near the highest point of its stroke and stop it at the position where the setscrew of needle bar guide can be observed 3 Bring the threader lever to the lowest point of its stroke and check that the clearance provided between the upper end of the threader hook and the upper end of the needle eyelet is O to 0 1 mm When this dimension is not 0 to 0 1 mm there is a case where the threading ca
3. mm to 0 1 mm at the left and right needle entry points when the blade point of the hook comes to the rear of the center of the needle To such an extent that the needle slightly moves when it is lightly pressed with a small screwdriver or the like 2 Turn drive body stop shaft 2 and adjust the clearance Tightening direction Clearance provided between the needle and the hook becomes larger Loosening direction Clearance provided between the needle and the hook becomes smaller When the clearances at left needle entry point and the right needle entry point are different from each other loosen setscrews left and right in the needle bar lateral adjusting plate asm and move the needle bar lateral adjusting plate asm to the left or right to adjust the clearances Drive body stop shaft 2 Needle Blade point of hook 0 05 to 0 1 mm Needle bar lateral adjusting plate 5 1 8 Position of the bobbin case stopper plate O Remove the throat plate How to adjust 1 On condition that the bobbin case is set to the outer hook loosen setscrew 3 and determine the longitudinal position of the bobbin case stopper plate so that the rear end of the projection of the bobbin case aligns with the rear end of the plate spring of the bobbin case stopper plate In addition for the lateral position make the turn stopper come in contact with the right side as much as the occurrence of the play and fix it with setscrew 3 Wipe
4. out the race face of the hook or the bobbin case with alcohol since there may be a case where dirt oil grease etc stitck on the race face of the hook or the bobbin case Otherwise running noise noise from the bobbin case noise of slip off of the thread etc will happen A of bobbin case 9 align E 27 Setscrew 3 o Bobbin case stopper plate Bo case stopper plate 15 5 1 9 Adjusting the bobbin thread tension O Remove the throat plate How to adjust 1 Position the bobbin case and the tension gauge as illustrated and adjust the adjusting screw 4 so that the tension is 0 1862 0 0098 N 19g 1g with SHAPPE 60 thread Bobbin thread should not come in contact with bobbin case Bobbin case i Tension gauge Tension gauge 5 1 10 Opening amount of the pre tension disk O Remove the face cover and the front panel How to adjust 1 Adjust the adjusting screw for releasing the pre tension disk so that the pre tension disk opens approximately 1 mm when the presser lifting lever is raised In addition the tension of the pre tension is a fixed type and cannot be adjusted Adjusting screw for releasing the pre tension disk 5 1 11 Opening amount of the tension disk O Remove the face cover and the front panel How to adjust 1 Turn the adjusting screw in the thread tension disk floating plate and adjust so that the clearance between tension disk A and tension disk B is
5. 1 mm when the thread tension dial is set to the maximum and the presser lifting lever is raised Adjusting dt Thread tension screw e disk floating plate 16 5 1 12 Adjusting the needle thread tension O Remove the face cover and the front panel How to adjust 1 Remove the tension knob fixing E ring and remove the thread tension dial presser the tension knob and the tension cam 2 Prepare SHAPPE SPAN 60 and the tension gauge and pass needle thread from the base tension to the tension disk 3 Lower the presser lifting lever attach SHAPPE SPAN 60 to the tension gauge and turn the adjusting nut to adjust so that the tension is 0 588 N approx 60 4 After the adjustment set the tension cam to the groove in the adjusting nut so that the convex of the tension cam is in the position which is lower by Grestiine approximately 7 mm than the crest line AN of the thread guide cover B 5 Fix the tension knob so that the center of the latch section of the tension knob meets with the convex of the tension cam Fix again the thread tension dial presser and the tension knob fixing E ring 7 Fix the tension cam positioning plate 7mm Gs d Latch section E Thread guide cover B O 5 1 13 Tension knob O The tension knob has the structure which can make the correction when the needle thread tension is desired to be corrected after assembling the front panel and the thread spool cover
6. d wheel by hand to bring the needle bar to the lowest point of its stroke 4 Further gradually raise the needle bar by hand and stop it at point C where the center of the needle aligns with the top end of the blade of the hook 5 At this time make sure that dimension D from the top end of the blade of the hook to the upper end of the needle eyelet is 1 06 to 1 26 mm When the dimension is not proper perform the adjustment below SV BUTS ke EE f Setscrew of DF installing base 2 places 13 How to adjust 1 Loosen the setscrew in the hook drive gear which is hidden as observed from the bottom side of the sewing machine when the center of the needle aligns with the top end of the blade of the hook 2 Loosen the setscrew in the hook drive gear and move it in the direction of rotation so that dimension D from the top end of the blade of the hook to the upper end of the needle eyelet is 1 06 to 1 26 mm when raising 3 27 mm the needle bar from the lowest point of its stroke At this time the backlash with the gear on the hook side changes according to the position of the hook drive gear in the direction of the hook driving shaft Adjust the hook drive gear by temporarily tightening the setscrew while taking care drive gear of both directions of rotation and shaft Backlash is small Torque is large and rumbling noise occurs Backlash is large Clattering noise and skipped stitch occurs 3 After confirming th
7. e adjustment securely mall tighten both of the setscrews 4 Set DF installing base asm while placing click section 2 places of DF installing base asm in the grooves of vertical feed cam and vertical support cam respectively 5 Temporarily tighten two setscrews of DF installing base 6 Adjust DF installing base asm to the position where the clearance between the edge of hook driving shaft metal and the edge of vertical feed cam is 1 to 1 5 mm and securely tighten two setscrews of DF installing base Backlash Caution DimeAfter adjusting the hook wipe out the race face of the hook or the bobbin case with alcohol since there may be a case where dirt oil grease etc stick on the race face of the hook or the bobbin case Otherwise running noise noise from the bobbin case noise of slip off of the thread etc will happen Vertical feed cam Hook driving shaft metal MEN ON Vertical feed cam QUEE Setscrew of DF SM installing base Q S Click section 1to 1 5mm DF installing base asm Setscrew of DF installing base 5 1 7 Clearance between the needle and the blade point of the hook O Remove the face cover and the needle plate How to adjust 1 Set the machine to the zigzag pattern large zigzag width 7 mm Raise the needle bar by hand from the lowest point of its stroke and make sure that the clearance provided between the blade point of the hook and the needle is 0 05
8. ed dog height O Remove the needle plate How to adjust 1 Set the feed amount to 0 2 Turn the hand wheel and bring the feed dog to its highest point 3 Loosen shaft b and make a clearance between the cam and the top end of the shaft as illustrated in the figure 4 Put the exclusive tool jig to the nut and loosen shaft a on the left hand side 5 Turn shaft a and adjust so that the height of the feed dog is 1 0 1 mm at the position of the needle entry hole Then fix the shaft with the nut 6 Turn shaft b and adjust so that a clearance of 0 1 mm is provided between the shaft and the cam To such an extent that the shaft slightly comes down when it is pressed from the upper side When shaft b is loosened shaft a comes in contact with the cam and a clearance is provided between the cam and the top end c of the shaft Needle entry hole 5 1 4 Timing belt O Remove the outer components Front cover rear cover and face cover How to adjust 1 Loosen the setscrew in the idler installing base and loosen the tension of the timing belt 2 Turn the hand wheel and bring the needle bar to the lowest point of its stroke 3 Turn the hook driving shaft and bring the feed dog to the lowest position of its stroke 4 Be careful that the aforementioned 2 and 3 conditions do not change and set the timing belt so that the screw in the main shaft pulley asm faces toward you screw is temporaril
9. he gauge needle aligns with the top surface of the piece of metal and turn the needle bar by 5 as illustrated in the figure 5 Temporarily tighten setscrew 1 and securely tighten it after re confirming the adjustment Howto adjust 2 1 Attach a household needle HA X 1 14 to the needle bar and adjust the height of the needle bar in the same way as the adjusting procedure above so that a distance of 14 83 mm is provided between the top surface of the throat plate and the tip of the needle when the needle bar is in the highest point of its stroke Setscrew 1 can be loosened at the position where the needle bar is in the lowest point of its stroke How to adjust 1 How to adjust 2 Needle view from the upper part 0 to 5 HAx1 14 gt Lowest point Highest point ess Gauge needle Piece of metal 14 83 mm Lowest point Throat plate Remove the face cover How to adjust 1 Select the zigzag pattern Zigzag width 7 mm after turning the power switch ON 2 Adjusting the needle entry position Loosen the hexagonal eccentric screw and turn the hexagonal eccentric shaft to adjust so that the tip of the needle is located in the position of 0 5 mm on the right side from the center of the groove of left stitch base line of the throat plate when the zigzag width is 7 mm as illustrated in the figure below 3 After the adjustment tighten the setscrew Hexagonal eccentric shaft Setscrew 11 5 1 3 Fe
10. m Automatic lock stitch e Pattern is directly selected by pushing ON the 20 stitch selection switches e The pattern is changed over to the pattern adjustment sewing pattern darning by operating reverse button power switch and stitch length manual switch for the service personnel For the details refer to the item 5 1 18 Service mode e Practical patterns 20 e 3 kinds Bartacking on both sides of buttonholes Straight buttonholes Eyelet buttonholes e 1 kind e Press down the threading lever and then the lever automatically returns to the home position e Sewing speed 115 rpm at low speed 1 When reverse stitch switch is ON e Straight stitching 3 stitches forward and 3 stitches backward at the start of sewing S S SW 3 stitches backward and 3 stitches forward at the end of sewing REV SW e Max feed amount 2 6 mm In case of less than 2 6 mm the stitch length is same as that of forward e Sewings other than straight stitching 3 stitches backward both at the start of sewing S S SW and at the end of sewing REV SW Feed amount Fixed at 0 6 mm dumpling lock stitching 2 When reinforcement stitch switch is ON All patterns Reinforcement stitch is performed at the start of sewing and at the end of the sewing e Feed amount Fixed at 6 mm 2 NAMES OF THE RESPECTIVE COMPONENTS Thread spool cap Bobbin thread guide z 4 Bobbin winding regulator Thread tensi
11. nnot be performed according to the needle size 4 Insert a hexagonal wrench key 1 5 mm to the setscrew of needle bar guide from the hexagonal wrench key hole of the face plate and slightly loosen the screw When the hook is low Move the needle bar guide upward and temporarily tighten the screw When the hook is high ech Move the needle bar guide downward and temporarily tighten the screw Checking the position in terms of the needle eyelet perform the adjustment When the hook goes in and out of the needle eyelet the needle should not be bent by the hook When the hook shifts in the lateral direction perform the correction of the bend of the hook using the tip of a small screwdriver or the like or replace the threader hook with a new one 5 When the adjustment is performed to the aforementioned position securely tighten the screw Setscrew of needle bar 0 to 0 1 dy The hook has to enter the needle eyelet of needle 11 to 16 5 1 15 Adjusting the position of the presser lifting switch O Remove the face cover the front panel the rear panel and the thread spool cover How to adjust 1 Adjust the position with the switch setscrews so that the presser lifting Presser lifting switch switch is turned ON with the presser foot raised setscrew 18 5 1 16 Adjusting the position of the BH switch O Remove the face cover How to adjust 22 1 Attach the BH foot and lo
12. oO Q 0 cb b oO CH o o Table of microcomputer circuit board connectors Connector Connection Connector Connection No CN 1 Bobbin winder switch asm Display circuit board asm CN 2 BH switch base asm Power circuit board connecting wire asm CN 3 MP detecting circuit board asm Controller receptacle asm 4 One stitch switch asm Needle throw STM asm CN5 Main shaft detecting circuit board asm 10 Feed STM asm Connection diagram Feed and needle throw STM 1 RED YELLOW BLUE 92 9 4 p 3 BROWN 10 5 ADJUSTMENT OF THE RESPECTIVE COMPONENTS 5 1 1 Adjusting the needle bar height Remove the face cover 5 1 2 Adjusting the zigzag width needle entry position Adjustment e Dimension from the bottom end of the needle bar pin to the top surface of the throat plate 19 7 mm needle eyelet inclines to the right by 5 when a needle is attached How to adjust 1 1 Make a gauge needle which has cut a household needle HA X 1 to dimension A and attach it to the needle bar 2 Prepare an appropriate piece of metal as thick as B A 19 7 mm B 3 Bring the needle bar to the lowest point of its stroke and slightly loosen setscrew 1 in the needle bar connection to the extent that the needle bar does not slip down 4 Place the piece of metal on the throat plate move the needle bar up or down by hand so that the cut section of t
13. on dial il 1 1 REESEN Stitch length manual button Stitch length adjusting lever Stitch width manual button Stitch width adjusting lever Automatic lock stitch button Bobbin winding monitor Reverse stitch button Start stop button Stitch selection button Auxiliary bed Drop feed lever Handle Hand wheel pulley Presser foot lever Pattern adjusting shaft Light Power switch Power cord receptacle Speed controller receptacle Thread Cutter Gs Needle threader we Buttonholing lever Presser foot release lever Presser foot shank Feed dog Throat plate Bobbin case Needle clamp Needle Presser foot Hook cover release button Hook cover Bobbin 3 HOW REMOVE THE OUTER COMPONENTS 1 Face cover Remove setscrew 1 in the face cover and remove the face cover O Remove setscrews 2 and 3 in the throat plate and 2 Throat plate remove the throat plate 3 Base plate and free arm bottom cover Remove setscrews 4 5 and 6 in the rubber cushion of the base plate setscrew 7 of the base plate and height adjusting screw 8 Base plate is removed Remove setscrew 9 in the free arm bottom cover 4 Front panel and rear panel O Remove setscrews bottom 10 and 11 in the front panel Mas asm Remove setscrews 12 13 and 14 in the rear panel asm and setscrew rear 15 in the front panel Mas a
14. osition of the threader hook 18 5 1 15 Adjusting the position of the presser lifting switch 18 5 1 16 Adjusting the position of the BH switch 4 19 5 1 17 Longitudinal feed 20 5 1 18 Service Moda EEN 20 AN WARNING To avoid the risk of fire electric shock injury to persons or damage to components especially keep the following When disassembling assembling or adjusting the sewing machine remove the power plug e When assembling be careful about the electrical cord being caught with other components damage to the covered parts of the cord or miswiring When replacing the part s use the genuine part s 1 PRODUCT SPECIFICATIONS FOR HZL E61 Power source e 220 230 AC common to 50 60 Hz e 120V AC common to 60 Hz Power consumption e 85W 230VAC Lamp 240V 15W e 1A 120VAC Lamp 120V 15W Dimensions and weight Dimensions Main unit 410 mm W X 180 mm L X 300 mm Case set 440 mm W X 215 mm L X 305 mm H e Weight Main unit 7 3 kg Case set 8 4 kg Speed control e Slide speed control Straight stitching 115 to 900 rpm Pattern sewing 115 to 750 rpm Bobbin winding 115 900 rpm Reverse stitching 115510 rpm at low speed e Controller The slide speed control is effective even when the controller is used It is possible to stop the machine only when
15. pattern are on the same line tolerance 0 5 mm as illustrated in the figure below 4 Sew BH buttonhole and check the stitch length Start of sewing Pattern adjusting shaft 5 1 18 Service mode Adjusting the longitudinal feed Darning stitching Power switch OFF d 1 Reverse button 2 Power switch 3 Feed manual switch Pressing 1 turn 2 ON then press 3 while stitch selection LEDs are flashing on and off welcome display Then release 1 Then release 3 after the completion of welcome display After completion Completion of selection of darning of selection pattern with the sound of buzzer peep 20 JUKI CORPORATION HOME APPLIANCE H Q 8 2 1 KOKURYO CHO CHOFU SHI TOKYO 182 8655 JAPAN PHONE 81 3 3480 5034 FAX 81 3 3480 5037 Copyright 2003 JUKI CORPORATION All rights reserved throughout the world 29365806 03 10 Printed in Japan
16. respective panels Open the right side side of presser bar and face plate of the rear panel and the joint section of the whole panel is removed Note Remove the rear panel so as to bring the rear panel near the hand wheel side at the place of the power switch installing plate since there is a convex shape on the rear panel 2 hole Front panel e Remove the convex sections of the front panel and the rear panel from the frame so as to move the convex sections up from the frame in the same way as the rear panel above Then open the panels a Draw the free arm section toward you Lower section of the front panel Then remove in the order below b Thread tension section c Bobbin winder base section 4 CIRCUIT BOARD CONNECTION DIAGRAM Power circuit board for 120V CN52 CN53 Lamp asm Power transformer Fuse 2A A 4 UD DD CD amp 3 E00 g 25 F Fuse 5A A 4 ES 0 7 Jip gt _ J CN51 Power switch CN54 CN55 Motor asm Power circuit board connecting wire asm PES Power circuit board for 230V CN52 CN53 Lamp asm Power transformer Fuse 2A cken CNA lt gt ok Power switch CN55 Power circuit board connecting wire asm CN54 Motor asm Display circuit board Microcomputer circuit diagram asm CN32 6 5 switch circuit board asm _ Q Q Jo H o o lo
17. sm Lift the presser lifting lever when removing screw 15 5 Thread spool cover Remove setscrew upper 16 in the thread spool cover and setscrew side 17 in the thread spool cover Lower the thread take up support and insert a screwdriver from the face cover side to remove setscrew side 17 in the thread spool cover O Open the rear panel in the rear and remove the thread spool cover upward Thread take up support 6 Front O Loosen setscrew front 18 in the front panel Mas setscrew right 19 in the front panel main unit and setscrew bobbin winder 20 in the front panel main unit after removing the thread spool cover 7 Remove front panel and rear panel from frame There are hooking sections on the rear sides of both front and rear panel as illustrated in the figures below They are engaging with the frame holes and engaging with the respective covers mark section mark section J panel Rear panel Front panel Front panel Rear b ze Front panel Rear Front panel denge lt On condition that the presser lifting lever is lowered open a little bit the joint section of the front and rear covers as illustrated in the figure below Rear panel e Remove the convex sections of the front panel and the rear panel from the frame so as to move the convex sections up from the frame as illustrated in the figure below Then open the
18. the stop button is used Number of revolutions is the same as the slide speed control above e Safety control If the sewing machine motor shaft is locked the power supplied to the motor is stopped after approximately 1 0 to 1 5 seconds If the motor becomes extraordinarily hot the thermal switch built in the motor stops the power supplied to the motor It is possible for the motor to start again after natural cooling The machine stops with its needle down when sewing is completed Stop position e The machine stops with its needle down except buttonholing e The needle moves up when it is in down position and a pattern is selected e The machine stops with its needle up when the reverse stitching is completed e The machine stops with its needle up when the bobbin is to be wound e The machine stops with its needle up when the machine starts with the presser lifting lever raised Zigzag width e Max 7 mm depending on the patterns When zigzag width is changed with the manual lever buzzer sounds at the place where zigzag width is changed Feed amount e Feed amount changes in increments of 0 2 mm by the variable resistor for manual adjustment When feed amount is changed with the manual lever buzzer sounds at the place where feed amount is changed over 2 4 mm for straight stitching when the feed is set to Auto Pattern selection Number of patterns Buttonhole Bartacking Automatic needle threading mechanis
19. wer the presser foot 2 Lower the buttonholing 3 A 5 Select BH with the pattern selector button Loosen setscrews 5 and 6 in the BH switch base Move the switch base and adjust so that the clearance with the asterisk mark is 0 2 to 0 4 mm Put a sheet of paper under the BH presser perform idle stitching without threading and check the return position and the stopping position of BH Perform re adjustment if there is any trouble If these tests are OK perform threading and sewing test of BH 0 2 to 0 4 mm 1 9 5 1 17 Longitudinal feed Preparation for 1 After turning the power switch OFF pressing the reverse button turn the power adjustment switch ON Then turn the feed manual switch ON while the stitch selection buttons light up in order Welcome display and turn OFF the reverse button Then turn OFF the stitch length manual adjustment button OFF after the welcome display is completed The pattern changes over to the sewing pattern for darning adjustment How to adjustthe Program for adjustment sewing conditions 2 2 layer cotton broad SHAPPE 60 for both needle and bobbin threads high speed and tension 4 3 Sew three pieces or more of the sewing pattern of darning stitching under the condi tions of 2 above Turn the pattern adjusting knob to adjust so that at the third sewing pattern the bottom end of the first return pattern from the left and the bottom end of the third return
20. y tightened Screw No 1 12 5 1 5 Feed timing After checking the feed dog height and needle bar height perform this adjustment O The feed timing will affect the tightness of the needle thread How to adjust 1 Attach HA x 1 14 needle 2 Loosen two screws in the main shaft pulley 3 Turn the hand wheel and lower the needle bar to align the tip of the needle with the top surface of the throat plate 4 Turn the hook driving shaft and move the hook driving shaft in the direction of rotation so that the top end of Front side the feed dog aligns with the top surface of the throat plate in the direction where the feed dog comes down from the highest point 5 Temporarily tighten the screws in the main shaft pulley and check again After performing this adjustment check also Needle to hook timing Upper side in the rear Main shaft pulley OD Adjust so that the tip of the needle aligns with the top surface of the throat plate when the feed dog meets with the top surface of the needle plate The tolerance is within the range of the tip of the needle to the lower end of the needle hole 5 1 6 Needle to hook timing O Remove the throat plate base plate free arm bottom cover and DF installing base How to check 1 First make sure that the needle entry position and the height of the needle bar have been properly adjusted 2 Select the straight stitch left needle position 3 Then turn the han
Download Pdf Manuals
Related Search