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Please keep this manual within easy reach for quick reference. ELECTRONIC EYELET BUTTON HOLER INSTRUCTION MANUAL Next Page 2: PL Thank you very much for buying a BROTHER sewing machine. Before using your new machine, please read the safetyPage 4 CAUTIONPage 6: CONTENTS CONTENTSDH4-B980- trimmer Long type Short typeRaising the machine headConnect the air hose from the compressor to the air unit underneath the. Page 17 3.INSTALLATIONOiling the looper, spreader and race standThe following procedure should be carried out before the sewing machine. Page 21 5. CORRECT USERemove the cloth presser plates (refer to page 13), and then. Page 24 5. CORRECT USERemove the cloth presser plates (refer to page 13), and then thread the. Page 25: 6. USING THE OPERATION PANEL AND FRONT PANEL 6. USING THE OPERATION PANEL AND FRONT PANELIf the power is turned on and the RESET switch is then. Page 27 6. USING THE OPERATION PANEL AND FRONT PANELA.Setting the sewing speedD.Setting the tacking lengthG. Setting the number of eyelet stitchesP1. Setting X correctionP4. Setting ? 2 correctionThe conditions of the memory switches. Page 34 6. USING THE OPERATION PANEL AND FRONT PANELIf the buzzer sounds and an. Page 36: 7. SEWING 7. SEWINGTurn off the power. Never adjust the thread tension while sewing.The feed bracket is electronically controlled by means of pulse motors. It. Page 40 7. SEWING. Knife position compensation functionThe production counter is initially set to the counting up from zero. Page 42 7. SEWINGThis example shows the procedure for a cycle program which runs program 1. Page 43 7. SEWINGSetting the material will be easier if the. Page 44 7. SEWINGIn this mode, the feed bracket and the cloth presser can be moved while. Page 45 7. SEWINGIn this mode, the needle and the feed bracket can be moved one. Page 46 7. SEWINGThe cycle program counter can be easily changed if necessary, for instance. Page 47 7. SEWINGThe distance by which the needle bar rises from its. Page 51 9.
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STANDARD ADJUSTMENTSThe loop stroke is the distance the needle bar rises from. Page 52 9. STANDARD ADJUSTMENTSThe standard height for the needle bar is 2.5. Page 53 9. STANDARD ADJUSTMENTSBe sure to carry out this adjustment after changing the size. Page 54 9. STANDARD ADJUSTMENTSWhen the needle is at the inside sewing position, the left spreader. Page 55 9. STANDARD ADJUSTMENTSWhen replacing the knife with a new one, file the surface of. Page 58 9. STANDARD ADJUSTMENTSThe upper thread should be trimmed at the. Page 60 9. STANDARD ADJUSTMENTSPage 64: 11. TROUBLESHOOTING 11. TROUBLESHOOTINGUpper thread is not cut. Knife is blunt. Replace with a new knife. Page 66: COVER-B INSTRUCTION MANUALPhone: 81-52-824-2177. Printed in Japan 118-980. Double chain stitch looper mechanism 2. DISASSEMBLY 2-1. Covers and cloth presser plates 2-2. Feed mechanism 2-3. Lubrication 2-4. Looper and spreader 2-5. Needle bar rotating mechanism 2-6. Looper base 2-7. Needle bar, thread take-up, and zigzag mechanisms 2-8. Knife pipe assembly 2-9. Lower shaft mechanism 2-10. Synchronizer 2-11. Upper shaft mechanism 2-12. Cutter mechanism 2-13. Looper and spreader 3-12. Lubrication 1) Machine head 2) Driving gear shaft 3-13. Feed mechanism 1) X direction 2) Y direction 3) Attaching the X-feed guide shaft 3-14. Synchronizer 3-15. Covers and presser mechanism 3-16. Safety switch assembly 4. ADJUSTMENT 4-1. Adjusting the cloth presser lift height 4-2. Adjusting the cloth presser plate 4-3. Adjusting the cloth spreading amount 4-4. Adjusting the position of the cloth presser 4-5. Adjusting the X-home position 4-6. Adjusting the Y-home position 4-7. Adjusting 0 position (reference line) of the needle 4-8. Adjusting the home position of the looper base 4-9. Fine adjustment of knife position 4-10. Adjusting the sideways movement of the cutter lever 4-11. Adjusting the height of the throat plate 4-12. Adjusting the heights of the spreader and the looper 4-13. Adjusting the loop stroke 4-14.
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Adjusting the height of the needle bar 4-15. Adjusting the clearance between the lopper and the needle 4-16. Adjusting the needle guard 4-17. Adjusting the spreader mounting position 4-18. Adjusting the spreader timing 4-19. Adjusting the amount to pull the upper thread and tension release 4-20. Adjusting upper thread trimming 4-21. Adjusting the lower thread trimmer 4-22. Adjusting the position of the lower thread presser (for specification -02) 4-23. Adjusting the rotating centers of the needle bar and the lopper base 4-24. Z-axis motor specification list 5-11. Connection between Z-axis motor and control box 1) Wiring diagram 2) Connection between control box and Z-axis motor 6. AIR PRESSURE MECHANISM 6-1. Solenoid valves and air tubes 1) Adjusting the solenoid valve speed controllers 2) Air tubes 6-2. Air tube layout 7. SOFTWARE 7-1. Motion flowchart 7-2. Input check list 7-3. Output check list 7-4. Error codes and countermeasures 7-5. Setting special specification. Bef ore using your ne w mac hine, please r ead the s afet y instruc tions belo w and the ex planations given in the ins tructio n m anual. Page 3 RH-9800 ii 2. Notes on safety D ANGE R Wait at least 5 m inutes after tur nin g off the p ower s witch and d isconnec tin g the p ower c ord f rom the wall ou tlet before o p enin g the face p late of the contro l box. T ouchin g areas where hi g h volta g es are p resent ca n result in seve re inju ry. Page 4 RH-9800 iii CA UTION Sewing This sewing machine s hould onl y be used b y operators who have rec eived the neces sar y training i n safe us e beforehand. The s ewin g mac hine should not be used for an y applicatio ns other th an sewing. Be sure to wear p rotective g o gg les when usin g the m achine. Page 5 RH-9800 iv 3. War ning labels The f ollowing warnin g labels appear on th e sewing m ac hine. Please f ollow t he i nst ruc tions on the labe ls at a ll t im es when us ing t he m ach ine.
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If the lab els h av e bee n r em oved or are diff icult to read, pleas e contact your neares t Brother dealer. Cont act your B rother deale r or a qualified elect rician for any electrical w ork that may need to be done. Installing the air hoses Connect the air hose f rom the c ompress or to the air un it underneat h the work table. 1. T urn the nut (1) at the end of the air hose, and the n connect the hose to the valve (2). 2. Open the air coc k ( 3) on the com pressor. Page 17 3.INST ALLA T ION RH-9800 11 3-12. Once threadi ng is com plete, rep lace the c loth press er plates. 5-8. Setting the material 1. Page 25 6. USING THE OPER A TION P AN EL AND FRO NT P A NE L RH-9800 19 6. USING T HE OPERA TION P ANEL AN D FR ONT P ANEL 6-1. P anel button and s witc h names Oper ation panel par t names F ront panel par t. Page 26 6. USING THE OPER A TION P AN EL AND FRO NT P A NE L RH-9800 20 If the po wer is turned on and the R ESET switch is then pres sed, the f eed brack et will m ove to the clot h setting p osition. Codes E-00 to E-16 are er rors which are disp la yed when the power is tur ned on. Page 36 7. SEWING RH-9800 30 7. SEWING Make s ure you know where the E MENRGENC Y STOP switch is and h ow it is used bef ore operati ng the s ewing m achine. 7-1. Using the EMER GENCY ST OP s witc h In automatic mode 1. Pres s the EM ERGENC Y STOP switch (1). Page 37 7. SEWING RH-9800 31 7-2. Sewing CA UTION Turn off the power switch at th e foll owing tim es, other wise th e m achine m ay operate if the s tart switch is pres sed by mis take, which could res ult i n injur y. Page 38 7. SEWING RH-9800 32 7-3. Adjusting the thr ead tension Turn o ff the power. Never adj ust the threa d tension while se wing. It is not nece ss ary to cha nge the position of the kn ife when switchin g between cuttin g before sewing and cuttin g after sewi ng. Page 40 7.
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SEWING RH-9800 34 Knife position compensat ion function This function m oves the knif e with resp ect to the seam in order to ensur e that dis tances a and a' are equal. 1. When cutting before s ewing, th e differenc e between a and a' will chang e depending on th e cloth ope ning amount. Page 41 7. SEWING RH-9800 35 7-5. Using the production counter The produc tion counter is initiall y set to the count ing up fr om zero method. It is usef ul for c hecking the rel ative pos itions of the throat pl ate and the c loth pres ser. 1. Pres s the MODE button (1) to s witch t o feed m ode. Page 45 7. SEWING RH-9800 39 7-10. Using manual mode In this mode, the need le and th e feed brack et can be m oved one stitc h at a time b y turning the upper shaft pulle y by hand. It is usef ul for c hecking the posi tions of the needle and the lo oper after the looper tim ing has b een adjus ted. Page 46 7. SEWING RH-9800 40 7-11. Adjustin g the cont act betwee n the knife and the cuttin g bloc k 1. Remove the cutti ng block. (Refer to the pre vious page. Page 57 9. ST AND ARD ADJUSTMENTS RH-9800 51 9-12. R eplacing the knife W h en replacing the k nife with a new one, f ile the s urfac e of the cutting bloc k until s mooth and u ntil the knif e does not leave a m ark on the cutti ng block. Page 58 9. ST AND ARD ADJUSTMENTS RH-9800 52 9-14. A djusting the cl oth opening amount 1. Loosen the sc rew (1), and then i nsert a s crewdriver into the notch in the side of the f eed brack et and turn the adjus ting screw (2) to adj ust the ope ning am ount. Page 59 9. ST AND ARD ADJUSTMENTS RH-9800 53 9-15. Adjusting the trimming of the upper thread The upper thr ead shoul d be trimm ed at the cor rect tim e after s ewing is com pleted. 1. Adjust so that the up per thread trim m er knife (1) c uts only one of the threads in f ront of the right looper (2). Page 60 9.
ST AND ARD ADJUSTMENTS RH-9800 54 The lower thr ead and gim p s hould be trim m ed at the correct time after the cloth pr essers rise at the feed hom e position. Thread tr i mm ing operation can b e checked in steps while manual m ode is ac tive. Page 61 9. ST AND ARD ADJUSTMENTS RH-9800 55 9-18. Lo wer thread pr esser (-02) The lower thread pres ser (1) operates at the sam e time as upper threa d trimm ing is c arried out. The end of the lower thread is s ecurel y held bet ween the lower threa d presser ( 1) and the thr oat plate (2). Page 62 10. SUMMAR Y OF DIP SWIT C HES RH-9800 56 10. TR OUBLESHOO T ING If there is a probl em with operation, firs t check that the threads ar e correct ly threaded and t hat the ne edle is cor rectly installed. Page 65 11. TROUB LESH OOTING RH-9800 59 Problem Cause Remedy Page Knife is b lunt. Replace with a new k nife. 51 Knife does not m ove to th e full strok e because air press ure is too wea k. Adjust the a ir press ure. 51 Upper thread trim m er knife is not pick ing up the upper t hread. Page 66 INSTRUCTION MANUAL 15-1, Naes hiro-c ho, Mizuh o-k u, Nagoya 467- 8561, Ja pan. Phone: 8 1-52-82 4-2177 Printed in Jap an BRO THER INDUSTRIES, L TD. 1 18-980 S91980-302 2001. We should do this for several simple reasons: First of all view first pages of the manual, you can find above. You should find there the most important technical data Brother DH4-B980 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Brother DH4-B980 you will learn all the available features of the product, as well as information on its operation. The information that you get Brother DH4-B980 will certainly help you make a decision on the purchase. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Brother DH4-B980.
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Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Brother DH4-B980 along with tips on how to solve them. Codes E-30 to E-59 are r esetting errors which are displayed before operation and after the EMERGENCY STOP switch is pressed. Codes E-60 to E-89 represent errors which occur during operation. Code Explanation Resetting method E-00 EMERGENCY STOP switch was pressed. Press the EMERGENCY STOP switch once more and then press the RESET button. E-02 Machine head is raised (safety switch is off). Turn off the power. E-03 Cloth presser switch was pressed. Release the cloth presser switch and then press the RESET button. E-04 Start switch was pressed. Release the start switch and then press the RESET button. E-05 RESET button was pressed. Turn off the power. E-09 Sewing specifications changeover harness and stitch length changeover harness and PROM version do not match. Turn off the power. E-10 Needle bar is not at the highest position. Raise the needle to the needle up position and then press the RESET button. E-12 Cutting block is lowered. Turn off the power. E-15 Lower thread and gimp trimming knife does not retract. Turn off the power. E-16 Upper thread trimming knife does not retract. Turn off the power. E-30 EMERGENCY STOP switch was pressed. E-32 Machine head is raised (safety switch is off). Turn off the power. E-35 RESET button was pressed. Turn off the power and then press the RESET button. E-40 Needle bar has not been raised. E-42 Cutting block is lowered. Turn off the power. E-45 Lower thread and gimp trimming knife does not retract. Turn off the power. E-46 Upper thread trimming knife does not retract. Turn off the power. E-50 X axis is not at the home position. Turn off the power. E-51 Y axis is not at the home position. Turn off the power. E-52 ? axis is not at the home position Turn off the power. E-59 Sewing data has been corrupted (checked for each program).
Turn off the power. E-60 EMERGENCY STOP switch was pressed. Press the RESET button (to interrupt) or the start switch (to continue). E-62 Machine head is raised (safety switch is off). Turn off the power. E-69 Needle bar does not stop at the highest position. Raise the needle to the needle up position and then press the start switch (to continue). E-70 Needle up signal does not turn on and off during operation. Turn off the power. E-71 Needle down signal does not turn on and off during operation. Turn off the power. E-72 Cutting block operation is incorrect. Turn o ff the power. E-75 Lower thread and trimming operations are incorrect. Turn off the power. E-76 Upper thread operation is incorrect. Turn off the power. E-80 When the feed bracket returns to the home position, the X axis is not at the home position. Turn off the power. E-81 When the feed bracket returns to the home position, the Y axis is not at the home position. Turn off the power. E-82 When the feed bracket returns to the home position, the.Turn off the power. E-89 Machine operation direction is reversed. Turn off the power. E-91 Pulse motor overcurrent Turn off the power. Note: Errors E-50, E-51 and E-52 are not errors to be reset after the EMERGENCY STOP switch is pressed. Connecting the air tubes 16 3-11. Installing the air hoses Adjusting the air pressure To increase the air pressure 17 3-12. Using manual mode 46 7-11. Changing the cycle program counter 7-12. Setting the number of home position cycles 47 7-13. Changing the knife cutting length (Replacing the cutting block) Changing in the cutting block operation time. 56 9-11. Adjusting the contact between the knife and the cutting block 57 9-12. Replacing the knife 9-13. Adjusting the cutting pressure 58 9-14. Adjusting the cloth opening amount Measuring the opening amount 59 9-15. Adjusting the trimming of the upper thread 9-16. Adjusting the trimming of the lower thread and gimp 60 9-17. Adjusting the gimp length after trimming (-02) 61 9-18.
Lower thread presser (-02) 9-19. Sub presser (-02) 62 10. SUMMARY OF D IP SWITCHES 10-1. Front panel DIP switches 63 10-2. Circuit board DIP switches 64 11. Page Count: 66 Connecting the air tubes 3-11. Installing the air hoses 3-12. Setting X correction P2. Setting Y correction P3.Setting ?1 correction P4. Setting ? 2 correction 6-6. Using the memory switch 6-7. List of error codes 7. SEWING 7-1. Using the EMERGENCY STOP switch 7-2. Sewing 7-3. Adjusting the thread tension 7-4. Needle and knife position 7-5. Using the production counter 7-6. Using a cycle program 7-7. Setting the feed bracket to the front position 7-8. Switching between single-pedal and dual-pedal operationUsing manual mode 7-11. Setting the number of home position cycles 7-13. Adjusting the contact between the knife and the cutting block 9-12. Adjusting the cutting pressure 9-14. Adjusting the cloth opening amount 9-15. Adjusting the trimming of the lower thread and gimp 9-17. Adjusting the gimp length after trimming (-02) 9-18. Sub presser (-02) 10. SUMMARY OF DIP SWITCHES 10-1. Front panel DIP switches 10-2. Circuit board DIP switches 11.Please kee p this m anual w ithi n easy reach for qui ck refere nce.Bef ore using your ne w mac hine, please r ead the s afet y instruc tions belo w and the ex planations given in the ins tructio n m anual. W ith industrial sewing m achines, it is norm al to carr y out work while position ed dire ctly in front of moving parts su ch as the needle and thread tak e-up lever, and consequ ently ther e is a lways a da nger of inj ury that can be caused by these parts. Follow the i nstruc tions fr om training p ersonne l and instr uctors regarding s afe and cor rect oper ation befor e operating th e mac hine so that you will know how to use it c orrectl y. SAFE TY INSTR UCTIONS 1.
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Safety indica tions and their meanings This instruct ion manual and th e ind ications and symbo ls that are used o n the m achine itself are provided in or der to ensure saf e operatio n of this m achine and t o pre vent accidents an d injur y to yourself or other p eople. The m eanings of thes e indicati ons and s ymbols are g iven belo w. Indica tions D ANGER The ins tructions which f ollo w this term indicate situat ions wh ere f ailure to f ollow the instruc tions will alm ost ce rtainly result in death or s evere inj ury. CA UTION T he instr uctions whic h foll ow this term indicate s ituations where failure to follow the instruc tions could caus e injury when usin g the machine or physical dam age to equipm ent and surroundi ngs. Symbols. This symbol ( ) indicates something t hat you should be careful of. The picture ins ide the tria ngle in dicates t he na ture of the c aution that m us t be taken. (For ex ample, the s y m bo l at left m eans “beware of injur y”.). This symbol ( ) indicates s om ething that you m ust not do.. This sy mbol ( ) indicat es some thing t hat you m ust do. The picture inside the cir cle ind icates the natur e of the thing that m ust be done. (For ex ample, the s ymbol at left means “you m ust m ak e the ground connection”.) T ouchin g areas where hi g h volta g es are p resent ca n result in seve re injury. CA UTION En vir onmental r equir ements Use the sewing m achine in an ar ea which is free from sources o f stron g electrical n oise such as high-fr equency welders. Sour ces of stron g electric al noise m a y cause problem s with correc t operation. Any fluctuatio ns in the po wer supp ly voltage should be withi n 10 of the rate d voltage for the mac hine. V o ltage fluctuatio ns which ar e greater than this may cause pr oblem s with correc t operation. The p ower su pp l y ca p acit y should be g reater than the re q uirem ents for the sewin g mac hi ne ’s electrical c onsum ption.
Insufficient p owe r su pp l y ca p acit y ma y cause problem s with correc t operatio n. The p neumatic deliver y ca p abilit y should b e g reater than the re q uirem ents for the sewin g machine's total air consum ption. Insufficient p neum atic deliver y ca p abil it y ma y cause problem s with correct op eration. The am bient tem p erature should be within the range of 5 to 35 during use. Te m p eratures which ar e lower or hi g her than this may cause pr oblem s with correc t operation. The r elative hum idit y shoul d be within t he ran g e of 45 to 85 dur in g use, and n o dew form ation should oc cur in an y devices. Excessi vel y dr y or hum id envir onm ents and dew form ation m a y cause p roblems wi th correct operation. Avoid exposure to direct sun light duri ng use. Ex p osure to d irect s unli g ht ma y cause p roblems with correc t operation. In the event of an elec trical stor m, tur n off the p ower and disconn ect the p ower cord from the wall outlet. Li g htnin g ma y cause p roble ms with correct operation. Installation Machine ins tallation sh ould onl y be carried out b y a qualif ied technic ian. Cont act y our Brother deale r or a quali f ied electri c ian for any electrical w ork that m ay need to be done. The s ewin g mac hine wei g hs m ore than 87 k g. The ins tallation shoul d be car ried out b y two or more people. Do not connec t the p ower co rd unti l installa tion is com p lete, other wise the mac hine m a y o p erate if the start swi tch is p ressed b y m istake, which co uld result in injur y. Be sure to c onnect the g round. If the g round connection is not sec ure, you run a hig h risk of receivi ng a serious electr ic shock, and prob lems with correc t operation m a y also occur. A ll cords should be s ecured at least 25 mm awa y fro m an y mov i n g p arts.
Furtherm ore, do not excessi vel y bend the c ords or secur e them too fir m l y wit h sta p les, otherwis e there is the d an g er that fire or el ectric s hocks could occ ur. Install the belt c overs to the m achine head and mot or. If usin g a work table which has cas ters, the caster s should be secur ed in such a wa y so that the y cannot m ove. Be sure to wear p rotective g o gg les and g loves when hand lin g the lubr icatin g oil and g rease, so that the y do n ot g et into y our e y es or onto y our skin, other wise inf lamm ation can r esult. Furtherm ore, do not dr ink the oi l or eat the g rease under an y circum stances, as the y can ca use vomiting an d diarr hoea. Keep the oil out of the r each of children. The s ewin g mac hine should not be used for an y applicatio ns other th an sewing. If g o gg les are n ot worn, ther e is the dan g er that if a needle break s, p arts of the brok en needle m a y enter your e yes and inj ury m ay result. Turn o ff the po wer switch at th e follo wing tim es, otherwise t he mac hine m a y o p erate if the start swi tch is p ressed b y m istake, which co uld resu lt in injur y. W hen threading the needle W hen replacing the ne edle W hen not usin g the m achine and when leav in g the mac hine unattende d If usin g a work table which has cas ters, the caster s should be secur ed in such a wa y so that the y cannot m ove. A ttach all saf et y devic es before usin g the sewin g machine. If the m achine is used withou t thes e devices attached, injur y ma y result. Do not touch an y of the m ovin g p arts or p ress an y ob j ects a g ainst the m ac hine while sewin g, as this ma y result in p ersona l in j ur y or dama g e to the m achine. If an er ror occu rs i n m ach ine o p eration, or if abnormal nois es or smel ls ar e n otic ed, imm edi ate l y turn of f the p ower swit ch. Then contac t y our nearest Brot her dealer o r a qualified te c hnician.
If the m achine deve lo p s a p roblem, contact y our nearest Broth er dea ler or a qua lified t echnicia n. Cleaning Turn o ff the p ower switc h before c arr y in g out cleaning, ot herwise t he mac hine m ay operate if the start swi tch is p ressed b y m istake, which co uld result in injur y. Keep the oil out of the r each of children. Maintenance and inspection Maintena nce and inspection of the s ewing machine shoul d only be c arried out by a qualif ied technicia n. Ask y our Brother dealer or a qua lified elec trician to carr y out any maintena nce and ins pection of the electrical s ystem. Turn of f the power switc h and dis connect the power cor d from the wa ll outlet at t he f ollo wing times, otherwise th e m achine m a y op erate if the start switch is pressed b y mistake, whic h could result in injur y. W hen carrying out inspection, adjus tment and maintenanc e W hen replacing c onsum able parts such as the loopers and knif e Disconnect the air hoses f rom the air suppl y and wait for the needle on the pressur e gauge to drop to “0” befor e carr ying out inspection, adjustm ent and repair of an y parts w h ich use th e pneum atic equipm ent. If the power switc h and air nee d to be left on when carr y ing out s ome adj ustment, be extrem ely caref ul to observe all saf ety precaut ions. Use only the proper rep lacem ent parts as specif ied by Broth er. If an y safety device s have been rem oved, be absolutel y sure to re- install t hem to their or igina l positions and check that the y operate cor rectl y before us ing the m achine. Any problem s in mac hine operation whic h result from unauthorized m odific ations to the m achine will not be c overed b y the warrant y. Please f ollow t he instr uctions on the labels at a ll tim es when using t he m achine. If the lab els h ave been rem oved or are diff icult to read, pleas e contact your neares t Brother dealer. Safety devices Eye guard Finger guar d Needle bar g uard Bel t cover, etc.
3 Do not touch th e k nife or press an y objects against the m achine while s ewing, as this may result in persona l inj ury or damage to the mac hine. 4 Be sure to connect the grou nd. If the g round conne c tion is n ot secure, y ou run a high risk o f receiving a serious electri c shock, and problems with correct operation m ay also occur. 5 Direction of operation Belt cover Needle bar g uard Eye guard 5 2 Finger guard 1 2010Q 1 2 4 (Rear) Belt co ver W inding prevention bar 3 3 Cont act y our Brother deale r or a quali f ied electri c ian for any electrical w ork that m ay need to be done. The sewing m achine weig hs m ore than 87 k g. The installation shou ld be carried o ut by two or m ore people. Do not connec t the po wer cord u ntil installa tion is complete, oth erwise th e m ach ine ma y operate if the start switch is pr essed b y mis take, which could result in injur y. All cords should be s ecured at least 25 mm away from any mo ving parts. Furtherm or e, do not excessi vely bend the cords or secure them too firm ly s taples, otherwis e there is the d anger that fire or e lectric sho cks could occu r. Be sure to connect the ground. If the grou nd connection is not sec ure, you run a hig h risk of receivi ng a serious electr ic shock, and prob lems with correc t operation m a y also occur. Install the belt c overs to the m achine head and mot or. 3-1. T able pr ocessing dia g r am Use the spec ial table ind icated belo w. Thread tr immer Product code Upper thread tr imm er 127-980-000- 01 Upper and lo wer thread trim mer 127-980-001- 01 If using a c omm ercially-avai lable table, process it as sho wn in the i llustrat ion below. Note: The thick ness of the table should be at leas t 50 m m, and it s hould b e strong enough t o bear the weight and vibration of the s ewing m achine. 2011Q Note: Do not use the c ushion rub ber. If you use it, V belt tension cannot be a djus ted. 3-3. Installing the machine head 1.
Insert the acces sory bed stand cushio ns A (1) into the bed stand, and then place th e machine head on top of the work table. Note: The f ixing bolt (9) and washer s hould be k ept, as the y will b e needed aga in if the m achine head is moved. 5. Raise the m achine head, and t hen attach th e fr ont left corner of the bed stan d to the work table in the sam e way as in the steps above.Note: Be s ure to turn the power sup pl y off befor e raising the m achine he ad. 2. If you wish to k eep the mac hine head in the rais ed position, ins ert the head s upport lever ( 2) sec urel y into the hinge lever suppor t shaft (3). Note: Always chec k that the he ad supp ort lever ( 2) and the hinge lev er support s haft (3) are m eshed. Low er ing the machine head Pull the m achine head down to ward you gently, rem ove the head s upport lev er (2) f rom the hinge lever s upport s haft (3), and then ge ntl y lower the mac hine head.Align the c enter of the washer (7) with the gra dation (7) 0 shown on the outside of the pu lle y at this tim e. 7. Provisiona ll y tighten the winding pre vention bar (9) to th e pulle y cover (3) with the wing b olt (1 0). 8. Install the pull ey cover (3) and tighten it with the t wo scre ws (2). Note: Check that the V-belt is n ot touc hing the belt c asting pr eventio n brack et (8). 9. Align the winding pre vention bar (9) with the point i n between the V - belt an d the m otor pulle y, and then s ecure it by tightening the wing bo lt (10). Note: Check that the wind ing preventio n bar (9) do es not t ouching the V-belt or the m otor pulle y. After a long perio d of use, the V-be lt will becom e run in and wi ll loosen around the m otor pulley.Specifi cation Label No. Thread handler No. L1 11 L2 22 L3 33 L4 44 L5 5 5 L6 6 6 L7 7 7 No.10 Label No. (1) 1112Q 1113Q No. No. (5) (2) (3) (7) (4) (6) Label No.Check that there is no air l eaking from the valve connection. 3. Open the cock ( 3) by turning it in the direct ion of the arrow.