Brother CS8000 Series Service Manual Download

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4 - 2

Inspection

Needle curvature

1. Check to be sure that there is no curvature in the needle on a level block (horizontal block).

The gap with the block should be even.

Level block

www.promelectroavtomat.ru

Summary of Contents for CS8000 Series

Page 1: ...www promelectroavtomat ru ...

Page 2: ...www promelectroavtomat ru ...

Page 3: ...cover removal 2 8 Remove base cover A 2 8 PCB assy operation S2 removal S2 only 2 9 Operation PCB assy disassembly S2 only 2 10 LED PCB SR assy removal 2 11 SSVR PCB assy removal 2 11 Single light guide assy S3 assy removal S3 only 2 11 PCB assy operation S3 removal S3 only 2 12 Rubber key removal S3 only 2 12 SV key top removal 2 12 LED cover removal 2 13 Break cover removal 2 13 Power PCB assy r...

Page 4: ... 30 Thread tension dial removal 2 31 Tension disk removal 2 32 Thread hook mechanism 2 33 Thread take up lever guide B removal 2 34 Thread take up lever guide C removal 2 34 Thread guide base assy removal 2 35 Needle presser module 2 36 BH switch assy removal 2 37 Presser feed holder assy removal 2 37 Adjusting plate assy removal 2 37 Spring Z removal 2 37 Zigzag adjusting nut removal 2 38 Lever A...

Page 5: ... 51 Feed adjuster assy disassembly 2 51 Bushing presser B removal 2 52 Drop assy removal 2 52 Drop assy disassembly 2 52 Drop knob removal 2 52 3 Assembly 3 1 Thread tension mechanism 3 2 Tension disk attachment 3 3 Thread tension dial attachment 3 4 Tension release plate attachment 3 5 Presser switch attachment 3 5 Spring guide assy assembly 3 6 Spring guide assy attachment 3 6 Cassette hold plat...

Page 6: ...und lead wire assy attachment 3 34 Front cover 3 35 Power PCB assy attachment 3 36 Break cover attachment 3 36 LED cover attachment 3 36 SV key top attachment 3 37 PCB assy operation S2 assembly S2 only 3 37 PCB assy operation S2 attachment S2 only 3 38 Rubber key attachment S3 only 3 39 PCB assy operation S3 attachment S3 only 3 40 Single light guide assy S3 attachment S3 only 3 40 SSVR PCB assy ...

Page 7: ...te assy attachment 3 63 Presser feed holder assy attachment 3 63 BH switch assy attachment 3 63 Feed module 3 64 Drop knob attachment 3 65 Drop assy assembly 3 65 Drop assy attachment 3 66 Bushing supporter assy assembly 3 66 Feed adjuster assembly 3 66 Feed adjuster assy attachment 3 67 Stopper plate block assy attachment 3 67 Feed arm assy assembly 3 68 Feed arm assembly attachment 3 69 Lower sh...

Page 8: ... Bobbin winder uneven bobbin winding and bobbin winding amounts adjustment 4 18 Front back left right position of feed dog adjustment 4 19 Feed dog height adjustment 4 20 Inner rotary hook bracket position adjustment 4 21 Forward and back adjustment of needle and presser 4 22 Adjust the needle thread block 4 23 BH lever switch position adjustment 4 24 5 Failure Investigation for Electronic Parts 5...

Page 9: ... 5 16 The workspace lamp does not light 5 17 LCD does not display normally S3 CS8100 Series only 5 18 Buzzer does not sound S3 CS8100 Series only 5 19 Error is displayed 5 20 Error is displayed 5 21 Error is displayed 5 22 Error is displayed 5 23 Error is displayed 5 24 Error is displayed 5 25 Error is displayed 5 26 6 Repair Manual 6 1 www promelectroavtomat ru ...

Page 10: ...viii www promelectroavtomat ru ...

Page 11: ...line 1 3 Positions of electronic components 1 4 Control system block diagram 1 6 Main motor control 1 7 Pattern generator 1 8 Operation of other electronic components 1 9 Using the threader 1 10 S2 CS8000 Series S3 CS8100 Series www promelectroavtomat ru ...

Page 12: ...ism Main Mechanisms Upper shaft mechanism Rotary hook drive mechanism Feed Rotary hook mechanism Bobbin winder mechanism Thread hook mechanism Needle bar Presser mechanism Thread tension mechanism www promelectroavtomat ru ...

Page 13: ...ever Upper shaft Z zigzag cam Pulley Z pulse motor Thread take up lever Needle bar crank rod Needle bar block Needle bar Needle bar supporter assy Needle Feed dog Outer rotary hook Timing pulley D Timing belt Pulley Upper shaft pulley Upper shaft Vertical adjusting screw F pulse motor Lower shaft A Feed bar Feed arm A Joint Lower shaft b assy Feed arm b assy Lower shaft gear Feed module Timing pul...

Page 14: ...s S3 CS8100 Series ASSY POWER PCB S ZSBA125I Power switch Inlet assy PCB ASSY OPERATION S2 ASSY SSVR PCB LED Lamp SR assy PCB ASSY OPERATION S2 ASSY SSVR PCB ASSY POWER PCB S ZSBA125I Power switch Inlet assy SINGLE LIGHT GUIDE ASSY S3 LED Lamp SR assy www promelectroavtomat ru ...

Page 15: ...nism Outline of Mechanism BH change switch assy LED Lamp SL assy ASSY PFSW S ASSY CASSETTE SWITCH BH switch lever F pulse motor ASSY BWSW S ASSY MOTOR PCB ASSY MAIN PCB ASSY NP PCB S Z pulse motor www promelectroavtomat ru ...

Page 16: ... BH1 BH2 BHL BWSW CASS Foot controller Main motor Drive circuit Constant current circuit Pulse motor Drive circuit EEPROM CPU LED Key 7SEGLED LED 2colors Inlet Main motor Buzzer Reset IC LED Lamp LED Lamp Speed VR Back light LED LED LCD RUBBER KEY AC power supply ASSY MAIN PCB PCB ASSY OPERATION ASSY POWER PCB S ZSBA125I Switching power supply 26V 5V Circuit S3 CS8100 Series Only S3 CS8100 Only ww...

Page 17: ...at low speeds and high speeds even with load temperature and other changes Therefore the main motor is run by PMW control that makes use of FETs Motor voltage waveform High speed Low speed Middle speed Approx 50 msec Power on area Fig 1 Outline of pulse width modulation PWM control www promelectroavtomat ru ...

Page 18: ... machine operates an F pulse motor and Z pulse motor moves the feed adjuster and needle bar and generates the pattern using data S2 50types S3 119types stored in internal CPU memory Pattern generator control block diagram CPU Z drive circuit Needle bar mechanism F drive circuit Feed adjustment mechanism S2 Seven segment LED S3 LCD Select the pattern using the pattern selection key Pattern data www...

Page 19: ...switch This switch detects whether the BH lever is up or down NP sensor This sensor detects the drive timing for the pulse motor for zigzagging and feed the vertical stop position for the needle and the switching position for the cassette LED red or green It detects the upper shaft angle of rotation using a shutter attached to the upper shaft and an optical sensor Speed sensor This sensor detects ...

Page 20: ...ns that are not in the table or those marked with an x 2 Since combinations marked with an asterisk have a greater possibility of damaging the threader or not working properly do your best to encourage users to avoid them 3 When using the threader lower the presser foot lifter 4 When transparent nylon thread is used use a 14 16 sewing machine needle regardless of what is in the table below 5 Do no...

Page 21: ... drive mechanism 2 14 Upper shaft mechanism 2 18 Thread tension mechanism 2 25 Thread hook mechanism 2 33 Modules Needle presser module 2 36 Feed module 2 45 With the CD ROM version click to start the movie clip S2 CS8000 Series S3 CS8100 Series www promelectroavtomat ru ...

Page 22: ...2 2 Main partslocation diagram Main unit www promelectroavtomat ru ...

Page 23: ...e flap table 2 Remove 1 and remove spring and the table bearing 1 from the flap table 1 1 S26 S26 2 Bobbin winder assy removal 1 Remove the bobbin base 2 Remove the screw 1 3 1Remove the bobbin winder assy from the front cover 4 Remove the screw 2 1 1 2 www promelectroavtomat ru ...

Page 24: ...er thread pin 4 1 2 3 1 4 4 Needle plate B assy removal 1 Remove the needle plate 2 Remove the needle plate B assy 1 1 5 Needle plate B assy disassembly 1 Remove the cutter cover 1 2 Remove the spring plate 2 from the cutter cover 1 and remove the NT lower thread cutter 4 3 Undo the slide button hook 2 two locations and remove the slide button 3 1 2 3 www promelectroavtomat ru ...

Page 25: ... to push the thread tension mechanism spring 1 to the left side and not damage it when removing the front cover When the front cover is removed disconnect the operation S2 or S3 PCB assy flat cable 2 and the power PCB assy lead wire connector 3 from the main PCB assy on the arm bed side 1 3 1 rear 2 1 front 2 7 Base removal 1 Remove the screw 1 and detach the base 1 from the front cover 1 1 www pr...

Page 26: ...from the arm bed 1 1 2 9 Base cover B assy removal 1 Remove the screws 1 two and remove the base cover B assy 1 from the arm bed 1 1 10 Base cover B assy disassembly 1 Remove the screw 1 and remove base cover B 2 from base plate B 1 2 Remove the adjusting screw 3 and base plate rubber from base plate B 1 2 1 1 3 www promelectroavtomat ru ...

Page 27: ...2 7 Disassembly Front coverlocation diagram CS8000 Series CS8100 Series Main unit www promelectroavtomat ru ...

Page 28: ...nd cover link plates 3 two Start movie clip CD ROM version only 1 3 2 2 Remove base cover A 1 Remove the screw 1 and remove the base cover A assy 1 and base cover washer 2 Remove the base plate rubbers 2 two 3 Remove the screws 2 two and remove rubber cushion plinth 4 4 Remove the screws 3 two and remove base plate A 5 1 1 3 3 4 2 2 5 www promelectroavtomat ru ...

Page 29: ...y 1 Remove screws 1 four and remove the front cover fixed plate 1 PCB cover 2 Board pressers two and PCB assy operation S2 3 2 Disconnect the LED PCB SR assy connector 4 and the SSVR PCB assy connector 5 from the PCB assy operation S2 3 1 3 1 2 1 3 5 4 www promelectroavtomat ru ...

Page 30: ...2 10 Front cover Main unit 4 Operation PCB assy disassembly S2 only 1 Remove screws 1 two and remove the VR holder 1 SV key tops 2 two and SW buttons 3 two 1 1 3 2 www promelectroavtomat ru ...

Page 31: ...wo and remove the SSVR PCB assy 1 SS button 2 backstitching button 3 and NP button 4 1 1 4 2 3 7 Single light guide assy S3 assy removal S3 only 1 Disconnect the back light lead wire connector 1 and Single light guide assy S3 connector 2 from the PCB assy operation S3 2 Remove screws 1 two and remove the Single light guide assy S3 assy 3 and PCB hold plate 1 3 1 2 www promelectroavtomat ru ...

Page 32: ...e front cover fixed plate 1 PCB cover 2 Board pressers two and PCB assy operation S3 3 3 1 2 1 9 Rubber key removal S3 only 1 Remove screws 1 two and remove the rubber keys 1 and the rubber key holder 2 1 2 1 10 SV key top removal 1 Remove the SV key top 1 from the front cover 1 www promelectroavtomat ru ...

Page 33: ...cover removal 1 Remove the screws 1 two and remove the break cover 1 1 1 13 Power PCB assy removal 1 Remove the screw 1 and detach the inlet assy 1 from the front cover 2 Remove the screw 2 and remove the power PCB assy 1 3 Disconnect the inlet assy connector from the power PCB assy 2 2 1 2 1 www promelectroavtomat ru ...

Page 34: ...2 14 Rotary hook drive mechanismlocation diagram CS8100 Series CS8000 Series Main unit www promelectroavtomat ru ...

Page 35: ... M3 washer and remove the main PCB assy 1 3 Remove the screws 4 two and remove the lead wire guide 4 Remove screw 5 and screw 6 and remove the shutter cover 5 Remove screws 7 two and disconnect the ground lead wire assy 2 6 Remove spring 7 Remove screws 8 two and remove the motor PCB assy 8 Remove screws 9 two and remove Set plate L 3 and Set plate R 4 1 8 9 3 9 3 S38 1 2 5 7 4 7 6 4 S38 www prome...

Page 36: ... the motor PCB assy ground wire 2 1 1 2 2 3 Main motor assembly disassembly 1 Remove motor fan 1 2 Remove the screws 1 two and remove the main motor from the motor holder 2 2 1 1 4 Lower shaft A assy removal 1 Remove the screws 1 two and remove the lower shaft bushing presser 1 2 Remove the lower shaft A assy 2 and the disk 3 3 1 2 1 www promelectroavtomat ru ...

Page 37: ... remove the set screw collar 1 thrust washer 2 eccentric shaft bushing 3 and thrust washer 2 3 Remove the screws 3 set screw socket CP M5X5 three and remove timing pulley D 4 4 Remove retaining ring E6 from the lower shaft A 2 2 1 2 3 1 3 4 6 Feed module removal 1 Remove screws 1 two and remove the feed module 1 1 7 Tension pulley assy removal 1 Remove the tension pulley assy 1 1 www promelectroav...

Page 38: ...2 18 Upper shaft mechanismlocation diagram Main unit www promelectroavtomat ru ...

Page 39: ...d remove the Board presser 1 3 Remove the Spring 4 Remove the BW shaft holder assy 2 5 Remove screws 2 two and remove the bobbin winder shaft stopper and the SW adjust plate 6 Remove the BW SW S assy from the SW adjust plate 2 1 2 S21 1 S21 3 Bobbin base assy disassembly 1 Remove the bobbin thread cutter holder 1 from the bobbin base 2 Remove the NT lower thread cutters 2 two from the bobbin base ...

Page 40: ...ocket CP M4X4 four and move the fixed joint 1 to the right side 2 Remove the screws 3 two and remove the upper shaft bearing presser 3 Remove the upper shaft assy timing belt motor and timing belt rotary hook drive 4 Remove the fixed joint from the upper shaft assy Start movie clip CD ROM version only 1 2 1 3 www promelectroavtomat ru ...

Page 41: ...emove the speed shutter 1 2 Remove retaining ring E6 and move the upper shaft pulley 2 to the right side 3 Remove the timing shutter 3 4 Remove the pulley 4 1 2 Retaining ring E6 3 4 6 NP PCB assy removal 1 Remove screws 1 two and remove the NP PCB assy 1 1 1 www promelectroavtomat ru ...

Page 42: ... 1 2 2 8 Thread hook assy removal 1 Remove screws 1 two and remove the thread hook assy 1 9 Thread unit removal 1 Remove the cassette release button 1 2 Remove the Spring 3 Remove screw 1 and remove the presser plate spring 4 Remove screw 2 and remove the cassette guide plate 5 Remove screws 3 two and remove the thread unit Start movie clip CD ROM version only 2 1 3 1 Front S39 S39 www promelectro...

Page 43: ...he adjusting screw 1 3 Remove screws 1 two and remove the adjusting plate 2 and the plate spring 3 1 2 1 3 11 Bobbin winder cover assy removal 1 Remove the shafts 1 two for the bobbin winder cover and remove the bobbin winder cover assy 2 Start movie clip CD ROM version only 1 2 www promelectroavtomat ru ...

Page 44: ... 3 Remove screw 2 and remove the thread tension assy 4 Remove the bobbin winder cover supporter 2 1 2 1 2 13 Lower thread cutter removal 1 Remove screw 1 and remove the cutter cover 1 2 Remove the NT lower thread cutter from the cutter cover 1 1 1 14 Foot controller jack assy removal 1 Remove the nut 1 and remove the foot controller jack assy 1 www promelectroavtomat ru ...

Page 45: ...2 25 Disassembly Thread tension mechanismlocation diagram Main unit www promelectroavtomat ru ...

Page 46: ...hread take up spring removal 1 Remove retaining ring E4 and remove the thread take up spring cover 1 and thread take up spring 1 Retaining ring E4 3 Damper holder assy removal 1 Remove screw 1 and remove the damper holder spring 1 2 Remove retaining ring E3 and remove the damper holder assy 2 1 1 2 Retaining ring E3 www promelectroavtomat ru ...

Page 47: ...the screws 1 two and remove the spacers 1 two and the oil damper 2 2 Remove retaining ring E2 and remove the damper gear shaft gear A and gear B 1 2 1 1 Retaining ring E2 5 Thread hook assy removal 1 Remove screws 1 bolt socket M3X6 two and remove the thread hook assy 1 www promelectroavtomat ru ...

Page 48: ...2 28 Thread tension mechanism Main unit 6 Thread hook assy disassembly 1 1 Remove screw 1 and remove the link stopper 1 2 Remove screw 2 and remove the link D guide 2 1 1 2 2 www promelectroavtomat ru ...

Page 49: ...s two 3 Remove retaining ring E2 and remove thread hook link A 2 spring and the plain S3 washer 4 Remove retaining ring E2 and remove the thread hook link B assy 3 and plain S3 washer 1 S31 3 Retaining ring E2 Retaining ring E2 S30 Retaining ring E2 2 S31 S30 8 Cassette hold plate removal 1 Remove retaining ring E3 and remove spring and the cassette hold plate 1 S35 1 Retaining ring E3 S35 www pro...

Page 50: ...ssette switch holder 2 and cassette switch assy 3 1 1 2 3 Retaining ring E3 11 Presser switch removal 1 Remove the Spring 2 Remove screw 1 and remove the presser switch holder 1 and PFSW S assy 2 1 1 2 S29 S29 12 Thread release plate removal 1 Remove retaining ring E3 and remove thread release plate C 1 and thread release plate B 2 Remove retaining ring E3 and remove thread release plate D 2 2 1 R...

Page 51: ...sion dial removal 1 Remove retaining ring E3 and remove the plain S4 washer polyester slider and spring washer 2 Remove the thread tension dial shaft 1 and remove the thread tension dial 2 3 Detach the link arm assy 3 2 1 Retaining ring E3 3 www promelectroavtomat ru ...

Page 52: ... nut assy 1 spring washer tension disc washer thread release plate A washer tension disk B and tension disk A 2 Remove the tension adjusting screw 2 from the tension control nut assy 1 3 Remove the thread tension shaft 3 and the spring cover shaft 4 2 S28 3 1 1 4 S28 www promelectroavtomat ru ...

Page 53: ...2 33 Disassembly Thread hook mechanism location diagram Main unit www promelectroavtomat ru ...

Page 54: ...emove screw 1 and remove thread take up lever guide B 1 1 1 2 Thread take up lever guide C removal 1 Remove screw 1 and remove thread take up lever guide C 1 2 Remove the screw 2 and remove the pile holder 3 Remove the pile cap from the pile holder 1 1 2 www promelectroavtomat ru ...

Page 55: ...d guide base assy removal 1 Remove screw 1 and screw 2 remove the plain M3 washer and remove the thread guide base assy 1 2 Remove screws 3 two and remove thread take up lever guide A from the thread guide base supporter 2 2 1 1 2 3 www promelectroavtomat ru ...

Page 56: ...2 36 Needle presser module breakout diagram Modules www promelectroavtomat ru ...

Page 57: ...etach the BH switch assy 1 1 1 2 Presser feed holder assy removal 1 Remove screw 1 and detach the presser feed holder assy 1 1 1 3 Adjusting plate assy removal 1 Remove screws 1 two and remove the adjusting plate assy 1 1 1 4 Spring Z removal 1 Remove the spring S20 S20 www promelectroavtomat ru ...

Page 58: ...t 1 1 1 6 Lever A spring and spring removal 1 Remove the spring and the spring S09 S10 S09 S10 7 Lock nut removal 1 Remove the lock nut 1 and screw 1 1 1 8 Needle bar assy removal 1 Remove screws 1 two 2 Remove needle bar 1 and needle thread block 2 Start movie clip CD ROM version only 2 1 1 www promelectroavtomat ru ...

Page 59: ...ter 1 2 Remove screw 2 and remove the needle block 2 needle bar thread guide 3 and support spring 4 3 Remove the needle thread plate 6 from the needle block 5 1 5 1 2 3 4 2 6 10 Needle holder shaft block removal 1 Remove screw 1 and remove the needle holder shaft block 1 and needle holder block 2 1 2 1 www promelectroavtomat ru ...

Page 60: ...k assy 5 from the needle bar supporter assy Start movie clip CD ROM version only 1 1 2 2 3 4 5 12 Lever AB assy removal 1 Remove retaining ring E2 2 Remove screw 1 and remove the lever guide shaft 1 lever supporter plate 2 and lever AB assy 3 spring 3 Remove retaining ring E2 from the lever guide shaft 1 3 Retaining ring E2 1 2 1 S39 13 Shaft bushing A removal 1 Remove screw 1 and detach shaft bus...

Page 61: ...ion only 1 2 1 2 16 Thread take up counter weight removal 1 Remove 1 two and remove the thread take up counter weight 1 thrust washer unit shaft 2 and thrust washer 2 Remove retaining ring E6 from the unit shaft 2 Start movie clip CD ROM version only 2 1 1 Retaining ring E6 17 Presser foot lifter removal 1 Remove retaining ring E4 2 Remove the presser lift shaft 1 presser foot lifter 2 lifter assy...

Page 62: ...se plate assy 1 1 Retaining ring E3 20 Z zigzag lever and thread releaser assy removal 1 Remove retaining ring E3 2 Detach the Z zigzag lever 1 and thread releaser assy 2 3 Remove the Z lever cup from the Z zigzag lever 1 2 1 Retaining ring E3 21 Thread release lever assy removal 1 Remove retaining ring E3 2 Remove the thread release lever assy 1 and the polyester slider 1 Retaining ring E3 www pr...

Page 63: ...cam and shaft removal 1 Remove retaining ring E2 and remove the Z zigzag cam 1 2 Remove the shaft 2 Start movie clip CD ROM version only 1 Retaining ring E2 2 23 T cam removal 1 Remove the T cam 1 Start movie clip CD ROM version only 1 www promelectroavtomat ru ...

Page 64: ... presser bar bushing 3 Start movie clip CD ROM version only 2 3 1 S07 2 1 S07 25 Thread take up lever link removal 1 Remove screw 1 2 Remove retaining ring E4 and remove the shaft 1 spring and thread take up lever link 2 Start movie clip CD ROM version only 2 Retaining ring E4 1 S06 1 S06 26 Shaft bushing assembly removal 1 Remove screws 1 two and remove the shaft bushing assembly 1 1 1 www promel...

Page 65: ...2 45 Disassembly Feed module breakout diagram Modules www promelectroavtomat ru ...

Page 66: ...retaining rings E2 two from slide shafts A two 1 2 Retaining ring E2 2 Needle plate A removal 1 Remove screws 1 two and remove needle plate A 1 1 1 3 Needle plate A disassembly 1 Remove screws 1 two and remove stopper plate 1 and stopper plate 2 1 2 1 4 Feed dog removal 1 Remove screws 1 two and remove the feed dog 1 1 1 www promelectroavtomat ru ...

Page 67: ...otor assy Start movie clip CD ROM version only S15 2 1 S15 7 F pulse motor disassembly 1 Remove screws 1 two and remove the F pulse motor FPMSMJ35 4840 C 1 2 Remove the rubber from the FPM holder assy 2 Start movie clip CD ROM version only 1 2 1 8 Inner rotary hook bracket assy removal 1 Remove screw 1 and remove the inner rotary hook bracket assy 1 1 1 www promelectroavtomat ru ...

Page 68: ...11 Feed bar removal 1 Remove 1 two and remove feed bar shaft A 1 the feed bar spacer and feed bar shaft B 2 2 Remove the feed bar 3 Remove retaining ring E2 from feed bar shaft B 2 Start movie clip CD ROM version only 1 2 1 Retaining ring E2 12 Vertical adjusting screw removal 1 Remove the vertical adjusting screw 1 2 Remove the M5 nut 2 from the vertical adjusting screw 1 Start movie clip CD ROM ...

Page 69: ...12 S12 14 Lower shaft B assy removal 1 Remove screws 1 two and remove the joint 1 2 Remove screws 2 two and remove shaft bushing presser A 2 3 Remove the lower shaft B assy 3 4 Remove bushing supporter A 4 from the feed base Start movie clip CD ROM version only 1 1 2 2 3 4 www promelectroavtomat ru ...

Page 70: ...feed shaft 1 and polyester slider 2 Remove the feed arm assy 3 Remove retaining ring E5 from the horizontal feed shaft 1 Start movie clip CD ROM version only 1 1 Retaining ring E5 Bottom 17 Feed arm assy disassembly 1 Remove retaining ring E3 and remove the feed arm B assy 1 and polyester slider 2 Remove retaining ring E2 and remove the feed supporting plate assy 2 from the feed arm B assy 1 Start...

Page 71: ... assy 1 1 1 Bottom 19 Feed adjuster assy removal 1 Remove screws 1 two and remove bushing supporter B 1 the feed adjuster assy 2 spring and the polyester slider Start movie clip CD ROM version only 2 1 1 2 S14 1 S14 20 Feed adjuster assy disassembly 1 Remove spring and detach the F gear 1 1 S13 S13 www promelectroavtomat ru ...

Page 72: ... and remove the vertical feed shaft 1 polyester slider set screw collar 2 and spring 3 Remove retaining ring E3 from the vertical feed shaft 1 Start movie clip CD ROM version only 1 S18 1 Retaining ring E3 2 Retaining ring E3 S18 24 Drop knob removal 1 Remove screw 1 and remove the spring plate 1 2 Remove retaining rings E2 two and remove slide shafts B two and the drop knob 3 Remove the retaining...

Page 73: ...Thread tension mechanism 3 2 Thread hook mechanism 3 13 Upper shaft mechanism 3 16 Rotary hook drive mechanism 3 26 Front cover 3 35 Main parts 3 43 Modules Needle presser module 3 48 Feed module 3 64 With the CD ROM version click to start the movie clip S2 CS8000 Series S3 CS8100 Series www promelectroavtomat ru ...

Page 74: ...3 2 Thread tension mechanism location diagram Main unit www promelectroavtomat ru ...

Page 75: ...ey point After assembling and attaching the thread tension mechanism perform 4 13 Upper thread tension adjustment 3 Attach tension disc A 5 tension disk B 6 washer 6 thread release plate A 8 the tension disc washer 9 washer 7 thread tension spring 0 and tension control nut assy A to the thread tension shaft 2 Start movie clip CD ROM version only Spring cover shaft Torque 0 57 0 78 N m 2 1 3 4 0 7 ...

Page 76: ...nsion holder assy Key point Hand start the thread tension dial shaft and fully tighten after attaching retaining ring E3 3 Attach the spring washer polyester slider plain S4 washer to the thread tension dial 3 and attach retaining ring E3 4 Fully tighten the thread tension dial shaft 3 Start movie clip CD ROM version only Thread tension dial shaft Torque 0 78 1 18 N m 1 2 3 Retaining ring E3 www p...

Page 77: ...y and attach retaining ring E3 Start movie clip CD ROM version only 1 2 Retaining ring E3 Retaining ring E3 3 4 Presser switch attachment 1 Attach the presser switch 1 and presser feed holder 2 to the thread tension holder assy using screw 1 2 Attach spring to the thread tension holder assy and thread release plate D 3 Start movie clip CD ROM version only 1 Torque 0 57 0 78 N m S29 1 1 2 3 S29 S29...

Page 78: ...y 4 to the spring guide assy 3 and attach retaining ring E3 Start movie clip CD ROM version only 1 Torque 0 57 0 78 N m 1 3 1A2 Retaining ring E3 3 4 Screw Bind M2 6X3 Color Silver 6 Spring guide assy attachment 1 Attach the spring guide assy 1 to the thread tension holder assy using screw 1 Start movie clip CD ROM version only 1 Torque 0 57 0 78 N m 1 1 Screw Bind M3X4 Color Silver www promelectr...

Page 79: ... hold plate 1 to the thread tension holder assy and attach retaining ring E3 Key point The end 2 of the cassette hold plate runs between tension release plate C 3 and tension release plate D 4 Start movie clip CD ROM version only S35 1 Retaining ring E3 2 4 S35 3 S35 SPRING XC3817 13 13 5 www promelectroavtomat ru ...

Page 80: ...lide plate assy 2 and attach retaining ring E2 3 Attach plain 3 5 washers two the slide plate assy 2 and plain S3 washers two to the supporting plate assy 4 and attach retaining rings E2 two 4 Attach spring to the slide plate assy and supporting plate assy Start movie clip CD ROM version only S30 S31 2 1 Retaining ring E2 2 3 S30 S31 Retaining ring E2 2 4 Retaining ring E2 S30 S31 SPRING XC3642 3 ...

Page 81: ...upporting plate assy 2 using screw 2 Key point Offset the positioning hole in the link stopper approximately 0 8 mm to the right from the positioning hole in the link A assy Start movie clip CD ROM version only 1 Torque 0 57 0 78 N m 2 Torque 0 57 0 78 N m 2 1 2 1 2 Link stopper Approx 0 8 mm Screw Bind M2 6X3 Color Silver Screw Pan S P washer M3X5DA Color Gold www promelectroavtomat ru ...

Page 82: ...using screws 1 bolt socket M3X6 Key point Align the shaft 2 of the thread hook link C assy with the groove 3 in the link D guide The end 4 of the thread hook link C assy is on the outside of thread hook link A 5 Start movie clip CD ROM version only 1 Torque 0 78 1 18 N m 1 1 4 3 2 5 Bolt Socket M3X6 Color Black www promelectroavtomat ru ...

Page 83: ... two Start movie clip CD ROM version only 1 Torque 0 29 0 49 N m 1 5 6 7 3 4 2 1 Retaining ring E2 Screw Bind M2X7 Color Silver 12 Damper holder assy attachment 1 Attach the damper holder assy 1 to the thread tension holder assy and attach retaining ring E3 2 Attach the damper holder spring 2 to the thread tension holder assy using screw 1 Start movie clip CD ROM version only 1 Torque 0 78 1 18 N ...

Page 84: ...of the thread take up spring cover 2 Attach the thread take up spring cover assy 2 to the thread tension holder assy and attach retaining ring E4 Key point Align tension disc A and tension disc B with protrusion b on the thread take up spring cover assy B 1 Retaining ring E4 2 A Protrusions a Protrusions b 2 2 14 LED lamp L assy attachment 1 Attach LED lamp holder L 1 and the LED lamp L assy 2 to ...

Page 85: ...3 13 Assembly Thread hook mechanism location diagram Main unit www promelectroavtomat ru ...

Page 86: ...sing screw 2 screw 3 and a plain M3 washer 3 Key point Hand start screws 2 and 3 and perform 4 11 Cassette threading height adjustment after attaching the thread hook assy and thread unit to the needle presser module Start movie clip CD ROM version only 1 3 Torque 0 57 0 79 N m 2 Torque 0 57 0 79 N m 2 4 1 2 1 3 3 Screw Bind M3X4 Color Silver Screw Pan S P washer M3X6 Color Silver www promelectroa...

Page 87: ...only 1 Torque 0 29 0 57 N m 2 Torque 0 79 1 18 N m 3 1 3 2 1 2 Rear Screw Bind M2 6X3 Color Silver Screw Bind M3X4 Color Silver 3 Thread take up lever guide B attachment 1 Attach thread take up lever guide B 1 using screw 1 Key point Insert the hook on the lower part of thread take up lever guide B 1 into the hole in thread take up lever guide C Start movie clip CD ROM version only 1 Torque 0 57 0...

Page 88: ...3 16 Upper shaft mechanism location diagram Main unit www promelectroavtomat ru ...

Page 89: ...he foot controller jack assy 2 to the arm bed using nut 1 1 2 2 NT lower thread cutter attachment 1 Attach the NT lower thread cutter 1 to the cutter cover 2 Attach the cutter cover 1 to the arm bed using screw 1 1 Torque 0 57 0 78 N m 1 1 Taptite Bind B M3X8 Color Gold www promelectroavtomat ru ...

Page 90: ... bobbin winding and bobbin winding amounts adjustment 3 Attach the thread tension plate 3 to the bobbin winder cover using screws 2 two 4 4Attach the thread tension cover 1 Torque Hand start 2 Torque Hand start 2 3 1 2 4 3 1 Screw Pan S P washer M3X6DA Color Gold Screw Bind M3X8 Color Silver 4 Bobbin winder cover assy attachment 1 Attach the bobbin winder cover assy 2 to the arm bed using the shaf...

Page 91: ...Attach the adjusting screw 3 Key point Hand start the adjusting screw 3 fully tightening in 3 28 Needle interference provisional adjustment needle bar presser back front position adjustment and 4 16 Clearance between the needle and the rotary hook point adjustmen 3 Attach the arm cap 1 Torque 0 78 1 18 N m 1 1 2 3 Giza Tite 4X10 Color Gold www promelectroavtomat ru ...

Page 92: ... Attach the cassette guide plate 5 to the needle presser module using screw 3 6 Attach the cassette release button 6 to the cassette hold plate 7 7 Move the presser foot lifter up and down and check the opening and closing of the tension discs 8 To the shafts and link arm assy attach spring Start movie clip CD ROM version only 1 Torque 1 18 0 78 N m 2 Torque 0 57 0 78 N m 3 Torque 0 57 0 78 N m S3...

Page 93: ...t Gather the lead wires two locations at the back of the needle presser module Raise the presser foot lifter 2 Attach the presser plate 1 and upper shaft bushing presser 2 using screws 1 four Key point Hand start the screws 1 four and fully tighten after 3 23 Upper shaft assy attachment 3 Install screw 2 Key point Hand start screw 2 and fully tighten after 4 16 Clearance between the needle and the...

Page 94: ...ft assy Key point Align the timing shutter base line and the upper shaft assy D cut 3 Move the upper shaft pulley 3 to the timing shutter 2 side and attach retaining ring E6 4 Attach the speed shutter 4 to the timing shutter 2 Key point Face the side of the speed shutter 4 that is not shiny toward the timing shutter 5 Apply Molykote EM30L to the operating part of the T pulley clutch plate 5 Molyko...

Page 95: ...d attach it using screws 2 set screw socket FT M5X5 two and screws 3 set screw socket CP M4X4 four Key point Align the timing shutter base line 6 and the unit shaft D cut 7 The gap 8 between the fixed joint and the needle presser module is approximately 0 5 mm 5 Fully tighten screws 4 four which were hand started in 3 21 8 Needle presser module attachment 6 Attach spring to the thread hook assy an...

Page 96: ...3 to the bobbin winder assy holder using screws 1 two 3 Attach the BW shaft holder assy to the bobbin winder assembly holder 4 Attach spring to the BW shaft holder assy 4 and bobbin winder assy holder 5 Attach the Board presser 5 using screws 2 two Key point With bobbin winding OFF adjust the position of 2 so that the gap between the 1 BWSW S assy and the BW shaft holder assy 4 is 2 5 0 3 mm 1 2 T...

Page 97: ...echanism Main unit Assembly 14 Bobbin winder assy attachment 1 Attach a washer 1 and the bobbin winder assy 2 to the arm bed using screw 1 1 Torque 0 57 0 78 N m 1 1 2 Giza Tite 4X12 Color Gold www promelectroavtomat ru ...

Page 98: ...3 26 Rotary hook drive mechanism location diagram CS8100 Series CS8000 Series Main unit www promelectroavtomat ru ...

Page 99: ...screws 1 two Key point Hand start screw 1 and fully tighten after 4 6 Needle presser module and feed module left right position alignment After attaching the feed module thread cutter module always perform 3 28 3 Needle interference provisional adjustment needle bar presser back front position adjustment Needle interference adjustment 1 Torque Hand start 1 Giza Tite 4X14 Color Gold www promelectro...

Page 100: ...he needle to the back front center position of the needle hole in needle plate A using the adjusting screw 1 4 Hand start screw 2 Key point Fully tighten after 4 16 Clearance between the needle and the rotary hook point adjustmen Start movie clip CD ROM version only 1 Since the adjustment is by the amount the screw is tightened there is no specified torque 2 Hand start 1 2 1 Presser Ne Needle plat...

Page 101: ...lar 6 to lower shaft A and secure the set screw collar 6 with screws 2 set screw socket CP M4X4 two Key point Ground surface of the set screw collar toward the eccentric shaft bushing 4 Apply 1 2 drops of Sewing Lube to the eccentric shaft bushing 5 5 Attach the joint 7 to lower shaft A using screws 3 set screw socket FT M5X5 two Key point Joint groove parallel to D cut in lower shaft A Start movi...

Page 102: ...ircle mark on the outer rotary hook should be forward The lower shaft B socket set screw feed module should be straight up The lower shaft A side joint socket set screw should face forward 5 Attach the lower shaft bushing presser 4 to the arm bed and hand start screws 1 two Key point Fully tighten after 4 7 Timing belt tension adjustment 6 Apply 1 2 drops of Sewing Lube to the lower shaft assy ecc...

Page 103: ... belt motor 3 on the main motor upper shaft pulley align the main motor assy 4 with the arm bed and hand start screws 2 two Key point Perform 4 5 Motor belt tension adjustment Bring the FC jack lead wires out to the top passing under the motor 1 Torque 0 57 0 78 N m 2 Torque Hand start 4 2 3 1 2 1 Screw Bind M3X6 Color Silver Giza Tite 5X16 Color Gold www promelectroavtomat ru ...

Page 104: ...ver to the arm bed using screw 3 and screw 4 4 Attach the lead wire guide to the arm bed using screws 5 two 5 Attach the main PCB assy using screw 6 screws 7 two and a plain M3 washer 1 Torque 1 18 1 57 N m 2 3 5 6 Torque 0 59 0 78 N m 4 Torque Hand start 7 Torque 0 57 0 78 N m 2 1 1 1 5 2 4 3 7 6 Taptite Bind B M4X10 Color Gold Taptite Bind B M3X10 Color Gold Screw Bind M3X4 Color Silver Screw Bi...

Page 105: ... and attach to the main PCB assy 2 Bring the various lead wires from the feed module to the lead wire guide 2 and shutter cover hook 3 and attach them to the main PCB assy 3 Connect the foot controller jack lead wires and motor PCB lead wires to the main PCB assy 4 Connect the main motor assembly lead wires to the motor PCB assy 2 1 3 1 www promelectroavtomat ru ...

Page 106: ... using screws 1 two 2 Tighten the ground lead wire assy to both the shutter cover and Set plate L using the screw 4 attached in 3 of 3 32 8 Main PCB assy motor PCB assy attachment 1 Torque 0 29 0 59 N m 4 Torque 0 78 1 18 N m 1 1 4 Screw Bind M3X4 Color Silver Screw Bind M3X4 Color Silver www promelectroavtomat ru ...

Page 107: ...3 35 Assembly Front cover location diagram CS8000 Series CS8100 Series Main unit www promelectroavtomat ru ...

Page 108: ...he inlet assy 2 to the front cover using screw 2 1 Torque 0 57 0 78 N m 2 Torque 0 78 1 18 N m 1 1 2 2 Taptite Bind B M3X10 Color Gold Giza Tite 4X12 Color Gold 2 Break cover attachment 1 Attach the break cover 1 using screws 1 two 1 Torque 0 57 0 78 N m 1 1 Taptite Bind B M3X10 Color Gold 3 LED cover attachment 1 Attach the LED cover 1 to the front cover 1 www promelectroavtomat ru ...

Page 109: ...two behind the front cover and lock the hook 1 1 5 PCB assy operation S2 assembly S2 only 1 Attach the VR holder 1 SV key tops 2 two and SW buttons 3 two to the PCB assy operation S2 using screws 1 two Key point Align the position of the SV key tops with VR1 and VR2 on the PCB assy operation S2 1 Torque 0 57 0 78 N m 1 3 2 1 Taptite Bind B M3X8 Color Gold www promelectroavtomat ru ...

Page 110: ...ector 1 and the SSVR PCB assy connector 2 to the PCB assy operation S2 2 Attach the PCB assy operation S2 3 Board pressers two the PCB cover 4 and front cover fixed plate 5 to the front cover using screws 1 four 1 Torque 0 57 0 78 N m 2 1 1 3 5 4 1 Taptite Bind B M3X10 Color Gold www promelectroavtomat ru ...

Page 111: ...r key attachment S3 only 1 Attach the rubber keys 1 to the rubber key holder 2 2 Attach the rubber key holder 2 to the PCB assy operation S3 using screws 1 two 1 Torque 0 59 0 78 N m 2 1 1 Taptite Bind B M3X8 Color Gold www promelectroavtomat ru ...

Page 112: ...orque 0 59 0 78 N m 3 1 1 1 2 Taptite Bind B M3X12 Color Gold 9 Single light guide assy S3 attachment S3 only 1 Attach the Single light guide assy S3 1 and PCB hold plate to the front cover using screws 1 two 2 Connect the back light lead wire connector 2 and Single light guide assy S3 connector 3 to the PCB assy operation S3 1 Torque 0 59 0 78 N m 2 1 1 3 Taptite Bind B M3X10 Color Gold www prome...

Page 113: ...to the main PCB assy Key point Align SSVR PCB assy VR1 7 with the SV key top 8 1 Torque 0 57 0 78 N m 2 1 6 4 3 5 7 8 1 Taptite Bind B M3X10 Color Gold 11 LED PCB SR assy attachment 1 Attach the LED PCB SR assy 1 and lamp holder R 2 to the front cover using screw 1 2 Attach the LED PCB SR assy connector 3 to the main PCB assy 3 Run the LED PCB SR assy lead wire through the cord clip 4 1 Torque 0 5...

Page 114: ...the front cover using screws 3 1 Torque 0 57 0 78 N m 2 Torque 0 57 0 78 N m 3 Torque 1 18 1 57 N m 4 3 2 3 1 Taptite Bind B M3X8 Color Gold Taptite Bind B M3X10 Color Gold Giza Tite 5X16 Color Gold 13 Cassette cover attachment 1 Attach the cover link plate assys 2 two to the cassette cover 1 2 Attach the cassette cover to the front cover using the link hold plates 3 two 3 Attach the front cover f...

Page 115: ...3 43 Assembly Main parts location diagram Main unit www promelectroavtomat ru ...

Page 116: ... attachment 1 Attach the base cover B assy 1 to the arm bed using screws 1 two 1 Torque 0 78 1 18 N m 1 1 Screw Bind M4X12 Color Silver 3 Handle attachment 1 Attach the handle fixed plates 1 two and handle 2 to the arm bed using screws 1 two 1 Torque 0 57 0 78 N m 1 2 1 Taptite Bind B M3X10 Color Gold 4 Base cover attachment 1 Attach the base cover 1 to the front cover using screw 1 1 Torque 0 57 ...

Page 117: ...side Key point Be careful to push the thread tension mechanism spring 3 to the left side and not damage it when attaching the front cover 1 Torque 1 18 1 57 N m 2 Torque 0 78 1 18 N m 2 1 3 1 rear 2 1 front Giza Tite 5X16 Color Gold Giza Tite 3X32 Color Gold 6 Needle plate B assy assembly 1 Attach the slide button 1 to needle plate B 2 Attach the NT lower thread cutter and spring plate 2 to the cu...

Page 118: ...sembly 1 Attach the lower thread pin 2 to the bobbin winder plate using a spring roll BW3X12 pin 1 2 Attach the bobbin presser 4 to the bobbin winder plate using screw 1 and a 2 M3 nut 3 Key point Hand start screw 1 and perform 4 18 Bobbin winder uneven bobbin winding and bobbin winding amounts adjustment 1 Torque Hand start 1 1 2 3 4 Screw Pan S P washer M3X20DA Color Silver www promelectroavtoma...

Page 119: ...orque 0 59 0 78 N m 2 Torque 0 57 0 78 N m 1 2 1 Screw Pan S P washer M3X6DA Color Gold Screw Bind M3X12 Color Silver 10 Flap table assembly 1 Using screw 1 attach spring and the table bearing 1 to the flap table 2 Attach the flap table to the main unit 1 Torque 0 39 0 78 N m S26 1 1 S26 S26 Taptite Cup B M3X8 Color Gold SPRING COMPRESSION XC3519 13 6 2 www promelectroavtomat ru ...

Page 120: ...3 48 Needle presser modulebreakout diagram Modules www promelectroavtomat ru ...

Page 121: ... take up lever link assembly 1 Attach the shaft 1 spring Aand thread take up lever link 2 to the upper unit holder and attach retaining ring E4 2 Install screw 1 in the shaft 1 Start movie clip CD ROM version only Apply Molykote EM 30L grease all the way around the shaft hole in the thread take up lever link Small amount 1 Torque 0 49 N m S06 1 Retaining ring E4 1 1 S06 S06 Set Screw Socket CP M3X...

Page 122: ... sliding part of the presser bar clamp assy locking pin Small amount Lubricate the end of the presser bar with Sewing Lube Apply liberally to the end 1 Torque 0 78 1 18 N m 2 Torque Hand start S07 1 4 2 S07 3 Rear view Approx 50 mm 1 2 S07 Taptite Bind B M3X8 Color Gold Set Screw Socket CP M5X10 Color Black 85 7 6 2 SPRING XC2448 4 T cam attachment 1 Apply a small amount of Molykote Em30L to the c...

Page 123: ... thread release lever assy 2 with the cam groove 4 in the T cam Start movie clip CD ROM version only Apply Molykote EM30L grease to the thread release attachment hole Small amount Apply Molykote EM30L grease to thread release assembly shaft B Small amount 4 1 3 2 Retaining ring E3 7 Z pulse motor attachment 1 Attach the Z pulse motor ZPMSMJ 35 4840 A 1 to the upper unit holder using screw1 Key poi...

Page 124: ... thread releaser assy 1 2 Attach the thread releaser assy 1 to the upper unit holder Key point Align the thread releaser assy 1 pin 2 and upper unit holder hole and the thread release lever pin 3 and the round hole 4 in the thread releaser assy 1 Start movie clip CD ROM version only Apply Molykote EM30L grease to all of the sliding parts of the thread releaser assy 1 Small amount 1 2 3 4 10 Z zigz...

Page 125: ...ttach the lever release plate assy 1 to the upper unit holder and attach retaining ring E3 Key point Align the shaft of the lever release plate assy with the narrow groove in the T cam Start movie clip CD ROM version only Shaft Narrow groove 1 Retaining ring E 3 www promelectroavtomat ru ...

Page 126: ...crews 1 two Key point Align the screw hole 5 in the thread take up counter weight and the unit shaft D cut 6 4 Lubricate part 7 of the shaft bushing assembly 3 with 1 2 drops of Sewing Lube Start movie clip CD ROM version only Lubricate the unit shaft with Sewing Lube 1 2 drops Lubricate the inside of the shaft bushing with Sewing Lube 1 2 drops 1 Torque 1 37 1 77 N m 1 2 Retaining ring E6 4 3 5 2...

Page 127: ...6 3 Attach the thread take up lever assy 7 to the needle bar crank rod assy 3 and thread take up lever link 8 using screw 2 Key point Screw 2 is reverse threaded Start movie clip CD ROM version only Apply Molykote EM30L grease to the needle bar crank shaft Small amount Apply Molykote EM30L grease to the thread take up lever shaft Small amount Apply Molykote EM30L grease to the to the needle bar cr...

Page 128: ...ifter 4 4 Attach retaining ring E4 to the presser lift shaft 1 Start movie clip CD ROM version only Apply Molykote EM30L grease to the presser foot lifter operating surface of the presser lifter shaft Small amount Apply Molykote EM30L grease to the presser bar clamp operating surface of the presser foot lifter Small amount 1 2 Retaining ring E4 4 Retaining ring E4 5 3 15 Thread guide plate attachm...

Page 129: ...B assy 2 and spring to the lever guide shaft 4 Apply a small amount of Molykote EM30L to the upper unit holder slide groove 5 Attach the lever guide shaft to the upper unit holder and attach the lever supporter plate 2 using screw 1 6 Attach retaining ring E2 to the lever guide shaft 7 Apply a small amount of Molykote EM30L to the lever AB assy Start movie clip CD ROM version only Epnoc Grease AP ...

Page 130: ...he shaft with 1 2 drops of turbine oil 100 5 Attach the plate 4 using screw 2 Start movie clip CD ROM version only Turbine oil 100 1 2 drops 1 Torque 0 37 0 78 N m 2 Torque 0 78 1 18 N m 1 3 2 4 1 2 Screw Bind M2X4 Color Silver Screw Bind M3X5 Color Silver 19 Lever A spring attachment 1 Attach spring to the lever AB assy 1 and plate 2 Start movie clip CD ROM version only S09 2 1 S09 S09 30 1 3 2 A...

Page 131: ...k is the bottom 3 Apply a small amount of Epnoc Grease AP to the shaft assy 3 shaft 4 Attach the shaft assy 3 to the needle holder block 2 and upper unit holder and hand start screw 1 Fully tighten after 4 10 Needle interference left right adjustment Start movie clip CD ROM version only Apply Epnoc Grease AP to the upper unit holder needle roller Small amount Apply Epnoc Grease AP to the shaft ass...

Page 132: ...e block 2 2 Attach the needle block 2 needle bar thread guide 3 and support spring 4 using screw 1 3 Attach the needle block supporter 5 using screw 2 Start movie clip CD ROM version only 1 2 Torque 0 39 0 718 N m 5 1 4 3 2 2 1 2 Needle Clamp Screw Color Black Screw SM2 38 Color Silver www promelectroavtomat ru ...

Page 133: ...osition turned slightly counterclockwise see 4 23 Adjust the needle thread block Start movie clip CD ROM version only Lubricate the needle bar block needle bar crank joint area on the needle bar block with Molykote Sewing Lube 90 Molykote dispersion 1 2 drops Apply Epnoc Grease AP to the pin sliding part of the needle thread block Small amount Lubricate the needle bar supporter assy needle operati...

Page 134: ...igzag adjusting nut 1 2 Hand tighten the zigzag adjusting nut 1 on the needle bar supporter assy using screw 1 Key point Set the side of the zigzag adjusting nut 1 with the greatest eccentricity toward the top see figure at the right Start movie clip CD ROM version only Apply Epnoc Grease AP to the zigzag adjusting nut Z zigzag lever contact surface Small amount 1 Torque 0 98 1 37 N m 1 Rear view ...

Page 135: ...ssy 1 and the plate spring using the lower screw 1 Start movie clip CD ROM version only 1 Torque 1 18 1 57 N m 1 1 2 Stopper Taptite Bind B M4X10 Color Gold 28 Presser feed holder assy attachment 1 Attach the presser feed holder assy 1 to the presser bar using screw 1 1 Torque 1 18 1 57 N m 1 1 Screw 3 57 Color Silver 29 BH switch assy attachment 1 Attach the BH switch assy 1 to the upper unit hol...

Page 136: ...3 64 Feed module breakout diagram Modules www promelectroavtomat ru ...

Page 137: ...ide view 2 1 Retaining ring E2 4 Screw Bind M3X4 Color Silver 2 Drop assy assembly 1 Attach retaining ring E3 to the vertical feed shaft 1 2 Attach the vertical feed shaft assy 1 polyester slider 2 set screw collar 3 vertical lever 4 and spring to the vertical supporting plate 5 and attach retaining ring E3 3 Hand start screw 1 in the set screw collar 3 Fully tighten after 3 71 11 Lower shaft B as...

Page 138: ...g 1 with 1 2 drops of turbine oil 100 Start movie clip CD ROM version only Lubricate the round surface of the lower shaft bushing with turbine oil 100 1 2 drops 1 Torque 0 78 1 18 N m 3 2 1 1 Screw Bind M3X5 Color Silver 5 Feed adjuster assembly 1 Apply a small amount of Epnoc Grease AP to the F gear 1 2 Align the F gear 1 and the feed adjuster assy 2 and attach spring Start movie clip CD ROM vers...

Page 139: ...4 using screws 1 two Start movie clip CD ROM version only Lubricate the feed adjuster assembly shaft with turbine oil 100 1 2 drops Apply Epnoc Grease AP to the entire operating part of the feed adjuster assy feed regulator Small amount 1 Torque 1 18 1 57 N m S14 3 S14 4 3 1 1 2 S14 S14 Screw Bind M4X6 Color Silver SPRING XC2531 8 8 9 9 5 5 7 Stopper plate block assy attachment 1 Attach the stoppe...

Page 140: ...e oil 100 3 Attach the feed arm B assy 1 and polyester slider 3 to feed arm A 4 and attach retaining ring E3 4 Lubricate the feed arm B assy 1 with 1 2 drops of turbine oil 100 Start movie clip CD ROM version only Lubricate the feed supporting plate assy shaft with turbine oil 100 1 2 drops Lubricate the feed arm B assy with turbine oil 100 1 2 drops 1 Retaining ring E2 2 4 3 Retaining ring E3 www...

Page 141: ... arm assy 5 with the feed base 4 and attach the horizontal feed shaft assembly 1 and polyester slider 6 4 Install screw 1 5 Apply 1 2 drops of Sewing Lube to the horizontal feed shaft 1 Start movie clip CD ROM version only Lubricate the three operating areas of the horizontal feed shaft with Sewing Lube 1 2 drops each 1 Torque 1 18 1 57 N m 3 1 2 5 1 Retaining ring E5 4 6 1 Bottom Set Screw Socket...

Page 142: ...acing the lower shaft bushing 3 2 In stall screws 1 two in the set screw collar 1 Key point Attach the set screw collar 1 in a position that allows the lower shaft bushing 3 to turn smoothly 3 Lubricate the lower shaft bushing 3 with 1 2 drops of Sewing Lube Start movie clip CD ROM version only Lubricate the lower shaft bushing with Sewing Lube 1 2 drops 1 Torque 0 78 1 18 N m 3 2 Retaining ring E...

Page 143: ... and the drop knob 8 and so that the vertical feed cam contact area of the vertical lever 7 does not come off of the vertical feed cam 9 and fully tighten screw S15 Start movie clip CD ROM version only Lubricate the lower shaft inserted side of bushing supporter assy with Sewing Lube 1 2 drops 1 Torque 1 18 1 57 N m 2 Torque 1 18 1 57 N m 1 9 7 1 2 1 2 5 3 6 8 Leave gap 0 Screw Bind M4X16 Color Si...

Page 144: ...rface Small amount Apply Epnoc Grease AP to the horizontal feed cam surface Small amount Apply Molykote EM30L grease to all of the teeth around the lower shaft gear Small amount 3 1 2 4 14 Vertical adjusting screw attachment 1 Attach the M5 nut 1 to the vertical adjusting screw 2 Key point Tighten the M5 nut 1 until the M5 nut 1 and the upper surface of the vertical adjusting screw 2 meet 2 Attach...

Page 145: ... movie clip CD ROM version only Apply Molykote EM30L grease to feed shaft holes in the feed bar Small amount Apply Molykote EM30L grease to feed bar shaft A Small amount Apply Molykote EM30L grease to feed bar shaft B Small amount 1 Torque 1 18 1 57 N m 3 4 5 7 1 Retaining ring E2 2 6 1 7 Set Screw Socket CP M4X4 Color Black 16 Feed bar spring attachment 1 Attach spring to the feed bar 1 and verti...

Page 146: ...amount Lubricate the outer rotary hook shaft with Sewing Lube Apply liberally 1 Torque 1 18 1 57 N m 1 1 2 3 4 5 3 1 7 6 Set Screw Socket CP M4X6 Color Black 18 Inner rotary hook bracket assy attachment 1 Attach the inner rotary hook bracket assy using screw 1 Start movie clip CD ROM version only 1 Torque 0 78 1 18 N m 1 Screw Bind M3X6 Color Silver 19 F pulse motor assy assembly 1 Attach the rubb...

Page 147: ... being tightened into the spacer at an angle compress spring and tighten screw 1 Tighten screw 1 until the screw hole in the feed base comes approximately to the center of the hole 5 in the FPM holder assy 5 Hand start screw 2 Fully tighten after 4 14 Feed adjustment Start movie clip CD ROM version only 1 Since the adjustment is by the amount the screw is tightened there is no specified torque 2 T...

Page 148: ...hold the F pulse motor gear with your finger 6 so that it does not turn 4 Push the feed adjuster 4 until the feed adjuster 4 and the F gear 7 have their gears aligned 8 5 With the gears 8 aligned push them down and mesh the feed adjuster assy 4 and F pulse motor gears Key point Check that the feed adjuster assy 4 gear match mark 9 and the F pulse motor gear match mark 0 are aligned Start movie cli...

Page 149: ... Start movie clip CD ROM version only 1 Torque 0 57 0 78 N m 1 2 3 1 Screw Bind M2 6X3 Color Silver 24 Feed dog attachment 1 Attach the feed dog 1 and hand start screws 1 two Fully tighten after 4 19 Front back left right position of feed dog adjustment Start movie clip CD ROM version only 1 Torque Hand start 1 1 Screw Bind M3X8 Color Silver 25 Needle plate A assy attachment 1 Attach needle plate ...

Page 150: ...tachment 1 Attach retaining rings E2 two to slide shafts A two 2 Attach the slide shaft A assemblies two and the drop lever SE 1 to the feed base and attach retaining rings E2 two 2 1 Retaining ring E2 Retaining ring E2 www promelectroavtomat ru ...

Page 151: ...t 4 12 Upper thread tension adjustment 4 13 Feed adjustment 4 14 Presser bar height and parallel adjustment 4 15 Clearance between the needle and the rotary hook point adjustmen 4 16 Inner rotary hook bobbin thread tension adjustment 4 17 Bobbin winder uneven bobbin winding and bobbin winding amounts adjustment 4 18 Module adjustments Front back left right position of feed dog adjustment 4 19 Feed...

Page 152: ...4 2 Inspection Needle curvature 1 Check to be sure that there is no curvature in the needle on a level block horizontal block The gap with the block should be even Level block www promelectroavtomat ru ...

Page 153: ...4 3 Inspection Inspection and Adjustment Tip damage to needle 1 Touch the tip of the needle to your finger and check to be sure it does not catch www promelectroavtomat ru ...

Page 154: ...ed press 5 Test modes used for adjustments Mode Mode selection Screen number Z zigzag operations F feed operations Operating speed 3 point needle drop S2 Switches left base line center base line right base line with each stitch Pressing stops the base line from changing s 0 mm none Any speed may be selected using the speed control key S3 Feed adjustment S2 100 stitches forward on the left base lin...

Page 155: ...e the motor holder up and down and adjust the motor belt tension 3 Fully tighten the giza tites 5X16 two locations Motor belt deflection when a force of approximately 1 N 100 g is applied to the middle of the motor belt 3 4 mm XC2277001 Push pull gauge 3 N Giza tite 5X16 torque 1 18 1 57 N m 3 4mm 1N 100g giza tite 5 16 www promelectroavtomat ru ...

Page 156: ...lect using or and after pressing press once and set the needle bar to the left base line position 4 Turn the power off disconnect lead wires A and B and remove the front cover 5 Turn the pulley by hand and insert the tip of the needle into the needle hole 6 Loosen giza tites4X14 two feed module attachment and giza tites 5X16 two lower shaft bearing presser attachment 7 Adjust the feed module left ...

Page 157: ...ushing and adjust the timing belt tension 3 While holding lower shaft A to the left attach the lower shaft bushing presser using giza tites 5X16 two Timing belt deflection when a force of 2 N 200 g is applied to the center of the timing belt 4 5 mm XC2277001 Push pull gauge 3 N Giza tite 5X16 torque 1 18 1 57 N m 4 5mm 2N 200g Lower shaft bushing www promelectroavtomat ru ...

Page 158: ...presser foot lifter 7 Loosen the set screws socket FT M5X5 three on lower shaft pulley D 8 Turn the pulley by hand moving the needle bar to its lowest point pulley turned counterclockwise 9 When the needle bar is raised 2 9 3 3 mm above its lowest point use a ruler on the left side to measure rotate the outer rotary hook and adjust it so that the right edge of the needle and the outer rotary hook ...

Page 159: ...he left base line position 4 Turn off the power 5 Lower the presser foot lifter 6 Turn the pulley by hand until the right edge of the needle and the tip of the outer rotary hook meet pulley turned counterclockwise 7 Loosen the set screw socket CP M4X4 in the needle bar block 8 Adjust the height of the needle bar for 1 0 1 4 mm between the top of the needle hole and lower edge of the outer rotary h...

Page 160: ...eedle into the needle hole 2 Loosen the screw 3X10 3 Adjust the needle holder shaft block to the left or right so that the left base line right base line needle drop is uniform forward and back with respect to the needle plate A hole 4 Fully tighten the screw 3X10 Screw 3X10 torque 0 78 1 18 N m www promelectroavtomat ru ...

Page 161: ...Prepare a cassette set up the thread 8 Insert the cassette and lower the shuttle to the lowest point Position where the shuttle is extended to the lowest point and the threading hook starts to move 9 Loosen the screw bind M3X4 and screw pan S P washer M3X6 and adjust the position of the thread guide base assy 10 Fully tighten screw bind M3X4 and screw pan S P washer M3X6 Distance from the upper ed...

Page 162: ...he power on 4 Turn the pulley counterclockwise by hand and stop just before the LED lamp changes from green to red green light needle up stop position 5 Turn off the power 6 Loosen bolt socket M3X6 and adjust the release plate vertically Key point Insert the cassette and with the hook moved to fully extend from the needle hole adjust it so the shuttle is released Bolt socket M3X6 torque 0 78 1 18 ...

Page 163: ...Select using or and after pressing press twice and set the needle bar to the middle base line position 4 Raise the presser foot lifter 5 Turn the thread tension dial to the standard position 6 Pass a Schappe Spun Sewing Thread 60 through the tension disc 7 Lower the presser foot lifter 8 Pull the thread with a tension gauge and adjust the thread tension adjusting screw so that it is 0 436 0 466N 4...

Page 164: ... stitches forward and reverse Feed adjustment mode the forward side should be 0 10 mm longer than the reverse side Adjustment work with front cover removed 4 Loosen the FPM holder assy screw 3 x 8 5 Adjust the forward and reverse feed using the FPM holder assy screw 4 x 25 Key point Tightening the screw 4 x 25 shortens the reverse side Loosening the screw 4 x 25 lengthens the reverse side 6 Fully ...

Page 165: ...X10 in the presser bar clamp assy 5 Adjust the height of the presser bar so that there is 6 0 6 5 mm between the top of needle plate A and the bottom of the presser foot NOTE Set the feed dog needle plate and presser foot parallel to prevent damage to the needle from slanting during serging 6 Fully tighten screw 5X10 Screw 5X10 torque 1 37 1 77 N m Set screw socket 5 10 6 0 6 5mm Needle plate uppe...

Page 166: ...d after pressing press three times and set the needle bar to the right base line position 4 Turn off the power 5 Remove screws M4 two and remove needle plate A 1 6 Loosen screw pan M3X12 or remove it 7 Hand turn the pulley until the right edge of the needle and the outer rotary hook tip meet 8 Adjust the gap between the needle and the outer rotary hook tip front and back to 0 1 mm or less using th...

Page 167: ...60 in the inner rotary hook and thread 2 Pull the thread with a tension gauge and adjust the tension adjusting screw so that it is 0 1 0 12 N 10 12 g 3 Apply a small amount of screw locking compound to the spring adjusting screw XA9153001 Tension gauge 30 0 3 N 0 1 0 12N 10 12g Schappe Spun Sewing Thread 60 Spring adjusting screw www promelectroavtomat ru ...

Page 168: ... uneven bobbin winding 2 Fully tighten the screw pan S P washer M3X6 3 Turn the bobbin presser left and right and adjust the winding quantity Key point The target for the bobbin winding quantity is filling 80 90 of the diameter 4 Fully tighten the screw Screw pan S P washer M3X6 torque 0 39 0 78 N m Screw torque 0 39 0 78 N m 80 90 www promelectroavtomat ru ...

Page 169: ...d adjust the forward reverse and left right positions of the feed dog Key point Adjust the gap between the forward edge of the feed dog middle tooth and feed plate A front to back to 3 2 3 8 mm Adjust the left and right gaps between the feed dog and needle plate A to be approximately the same Make sure that the feed dog and needle plate A are not at an angle to each other 4 Tighten screw bind 3X8 ...

Page 170: ...areful that the vertical feed adjuster assembly does not turn 5 With the feed dog in the lowest position check that the feed dog is 0 3 mm or more below the upper surface of needle plate NOTE When the feed dog is too high problems such as abnormal noise bad feed quantities and the cloth not being fed arise When the feed dog is too low problems such as bad feed quantities and the cloth not being fe...

Page 171: ...k in the outer rotary hook 2 Loosen screw bind 3X8 3 Adjust the inner rotary hook bracket assy attachment position so that contact between the inner rotary bracket assy and inner rotary hook is 1 6 1 8 mm and fully tighten screw bind 3X8 Giza tite 5X16 torque 1 18 1 57 N m Screw bind 3 8 1 6 1 8mm www promelectroavtomat ru ...

Page 172: ...d and insert the tip of the needle into the needle hole 2 Adjust the amount set screw socket FT M4X12 is tightened so that the tip of the needle is centered in the presser foot needle hole back to front 3 Further tighten the lock nut a Needle hole b a b Needle tip position www promelectroavtomat ru ...

Page 173: ...to the left approximately 1 degree and attach it Adjust so that the upper edge of the threading hook and the upper edge of the needle hole are at the same height NOTE If the needle thread block is slanted to far to the left the hook will not operate and threading cannot be done Fig 1 If the needle thread block is slanted too far to the right the needle bar supporter assy and the needle thread bloc...

Page 174: ... into contact with BH1 Key point With the presser foot lifter raised pull the BH presser foot forward as much as possible and check that BH0 comes into contact with BH2 and that BH2 has some slack With the presser foot lifter raised push the BH presser foot back as much as possible and check that BH0 comes into contact with BH1 and that BH1 has some slack Pull out fully and go back two pitches 2 p...

Page 175: ...n motor rotation abnormal 5 8 Cannot sew pattern well 5 9 Cannot sew button holes well 5 10 Problems with vertical needle movement and backstitching 5 11 Does not operate when the foot controller is used 5 12 Needle bar cutting and separating does not occur normally 5 13 Cassette LED does not light 5 14 Bobbin winding cannot be done 5 15 The workspace does not light 5 16 LCD does not display norma...

Page 176: ... 20 1 Rotation irregularity judgment F2 F02 5 21 2 Key pressed continually with power ON motion system SW F3 F03 5 22 3 Key pressed continually with power ON operation system SW F4 F04 5 23 4 FC disconnect F5 F05 5 24 5 Dirty speed sensor F6 F06 5 25 6 NP sensor disconnect F7 F07 5 26 7 Speed VR disconnect www promelectroavtomat ru ...

Page 177: ...onnector is disconnected from the power PCB assy and the power is turned ON is the voltage between the connector pins 100 120V AC or 220 240V AC With the power PCB connector CN 13 S2 or CN14 S3 main PCB assy disconnected are the voltages normal across pins 2 3 pins 4 3 and pins 5 6 Pins 2 3 5V DC Pins 4 3 26V DC Pins 5 6 26V DC Replace main PCB assy N N Y Y S2 CS8000 Series S3 CS8100 Series www pr...

Page 178: ...point when power is turned ON Needle up Z pulse motor return to starting point Needle down F pulse motor returns to starting point Regardless of the needle position does this same pulse motor return When the power PCB assy connector connected to CN13 S2 or CN14 S3 on main PCB assy is disconnected is the voltage across pins 4 3 26V DC N Y Replace power PCB assy N Y N Y S2 CS8000 Series S3 CS8100 Se...

Page 179: ... S3 of the main PCB assy If the foot controller is connected is it in the depressed position N Reconnect it correctly Set the foot controller so it is not pressed down Is the foot controller connector correctly connected to CN14 S2 or CN15 S3 on the main PCB assy N N Y Y Pattern cannot be selected Replace operation PCB assy or Replace main PCB assy S2 CS8000 Series S3 CS8100 Series www promelectro...

Page 180: ...tart stop switch backstitching switch needle lifter switch normal Switch resistance values When switch is pressed 1Ω or less When switch is not pressed N N N N Y Is the main motor connector correctly connected to CN1 on the motor PCB assy Y Replace the main motor Replace SSVR PCB assy Is the main motor resistance 1 5 3 5Ω Y Y To next page Main motor does not turn www promelectroavtomat ru ...

Page 181: ...rectly Is the NP PCB S assy connector correctly connected to CN1 S2 or CN2 S3 on the main PCB assy N N Y Y Replace motor PCB assy Have parts Q1 Q4 Q5 R1 R2 R3 R4 R6 D1 ZD1 or JW2 on the motor PCB assy become discolored or burned Y Y Select test mode10 S2 or 11 S3 and push reverse SW Is F1 S2 or F01 S3 error message displayed on the LCD and was test mode 10 S2 or 11 S3 selected after servicing and ...

Page 182: ...r moved does the voltage across pins 2 3 of CN2 S2 or CN1 S3 on the operation PCB assy vary 0 7 4 3V DC N Replace NP PCB S assy Replace main PCB assy When the upper shaft pulley is turned slowly by hand does the voltage across pins 2 1 of CN1 S2 or CN2 S3 on the main PCB assy vary 0 5V DC N Y Replace motor PCB assy Have parts Q1 Q4 Q5 R1 R2 R4 R6 D1 or ZD1 on the motor PCB assy become discolored o...

Page 183: ...voltage across pins 4 1 and pins 5 1 of CN1 S2 or CN2 S3 on the main PCB assy vary 0 5V DC N Adjust the needle presser module assembly N Replace main PCB assy Y With the power OFF can the needle bar be moved to the left and right easily by hand Y Y Replace pulse motor N Is the resistance across pins 1 2 and pins 3 4 for the Z pulse motor and F pulse motor connectors 4 6 Ω S2 CS8000 Series S3 CS810...

Page 184: ... forward Pins 1 2 1Ω or less pins 2 3 BH lever pushed back Pins 1 2 pins 2 3 1Ω or less Is the resistance between pins 4 5 on the BH switch lever connector normal BH lever down 1Ω or less BH lever up Switch to the correct presser foot N Replace main PCB assy Y Is the proper presser foot being used N N Y Y Adjust the BH lever or Replace the BH switch assy Adjust the BH lever or Replace the BH switc...

Page 185: ...When the upper shaft pulley is turned slowly by hand does the voltage across pins 2 1 pins 4 1 and pins 5 1 of CN1 S2 or CN2 S3 on the main PCB assy vary 0 5V DC Are the resistance values for the start stop switch backstitching switch needle lifter switch normal Switch resistance values When switch is pressed 1Ω or less When switch is not pressed N N N Adjust the BWSW assy assembly Replace main PC...

Page 186: ... Replace the foot controller jack assy Connect the foot controller when the foot controller is pressed does the resistance across pins 1 3 of the foot controller jack assy connector vary from several Ω to 10kΩ Is the resistance between pins 2 3 on the foot controller jack assy connector normal Foot controller not connected 1Ω or less Foot controller connected N N Replace main PCB assy Y Y www prom...

Page 187: ...normally Needle bar cutting and separating does not occur normally Adjust the needle presser module assembly Is the needle bar cutting and separating operation easy and smooth N Replace the Z pulse motor Is the resistance across pins 1 2 and pins 3 4 for the Z pulse motor connector 4 6 Ω N Y Y Replace main PCB assy www promelectroavtomat ru ...

Page 188: ...es not light Cassette LED does not light Is the cassette switch assy resistance normal Cassette switch assy resistance When switch is pressed 1Ω or less When switch is not pressed N Replace main PCB assy Replace the cassette switch assy Y www promelectroavtomat ru ...

Page 189: ... bobbin winder assy for correct assembly and attachment Is the bobbin winder mechanism assembly and attachment normal Is the resistance between pins 1 2 on the BWSW assy connector normal Bobbin winder shaft in bobbin winding position 1Ω or less Bobbin winder shaft in another position N N Replace the BWSW assy Replace main PCB assy Y Y www promelectroavtomat ru ...

Page 190: ... assy correctly connected N Y Are the main PCB assy and opetate PCB assy correctly connected N Y Replace power PCB assy Reconnect the operate PCB assy and LED lamp SR assy correctly Reconnect the main PCB assy and LED lamp SL assy correctly Reconnect the main PCB assy and operate PCB assy correctly Is the voltage across pins 4 3 of the power PCB assy output connector 26V DC N Y To next page www pr...

Page 191: ...SR assy When CN3 S2 or CN2 S3 on the operate PCB assy is connected to another LED lamp SR assy does the lamp light Y Replace the LED lamp SL assy When CN6 S2 or CN1 S3 on the main PCB assy is connected to another LED lamp SL assy does the lamp light Y From previous page Replace main PCB assy S2 CS8000 Series S3 CS8100 Series www promelectroavtomat ru ...

Page 192: ...te PCB assy is connected to the single light guide assy and the main PCB assy does the LCD display normally N Y When the FFC from a different single light guide assy is connected to CN3 on the operate PCB assy does the LCD display normally N Y Reconnect the LCD FFC to CN 3 on the operate PCB assy correctly Replace the operate PCB assy Replace the single light guide assy Replace main PCB assy www p...

Page 193: ...n for Electronic Parts Buzzer does not sound S3 CS8100 Series only When the power is turned ON or when a pattern is selected the buzzer does not sound Set the buzzer setting to ON Is the buzzer ON OFF setting set to ON N Y Replace main PCB assy www promelectroavtomat ru ...

Page 194: ... is displayed Replace main PCB assy After replacing the motor PCB assy push the reverse SW in test mode 10 S2 or 11 S3 therefore does the motor rotate normally N Y OK F1 S2 or F01 S3 is displayed S2 CS8000 Series S3 CS8100 Series www promelectroavtomat ru ...

Page 195: ...ation for Electronic Parts Error is displayed Replace SSVR PCB assy Is one of the SS key NP key and BK key stuck in a pressed down condition N Y Release the switch that is stuck F2 S2 or F02 S3 is displayed S2 CS8000 Series S3 CS8100 Series www promelectroavtomat ru ...

Page 196: ... Error is displayed Replace SSVR PCB assy Is any key except the SS key NP key and BK key stuck in a pressed down condition N Y Release the switch that is stuck F3 S2 or F03 S3 is displayed S2 CS8000 Series S3 CS8100 Series www promelectroavtomat ru ...

Page 197: ... CN14 S2 or CN15 S3 on the main PCB assy correctly Is the foot controller jack assy correctly connected to CN14 S2 or CN15 S3 on the main PCB assy N Replace the foot controller jack assy Are the foot controller jack assy lead wires broken Y N Replace main PCB assy F4 S2 or F04 S3 is displayed S2 CS8000 Series S3 CS8100 Series www promelectroavtomat ru ...

Page 198: ... Y Connect the NP PCB assy to CN1 S2 or CN2 S3 on the main PCB assy correctly Is the NP PCB assy correctly connected to CN1 S2 or CN2 S3 on the main PCB assy N Replace NP PCB assy F5 S2 or F05 S3 is displayed S2 CS8000 Series S3 CS8100 Series www promelectroavtomat ru ...

Page 199: ...ts Error is displayed Y Connect the NP PCB assy to CN1 S2 or CN2 S3 on the main PCB assy correctly Is the NP PCB assy correctly connected to CN1 S2 or CN2 S3 on the main PCB assy N Replace NP PCB assy F6 S2 or F06 S3 is displayed S2 CS8000 Series S3 CS8100 Series www promelectroavtomat ru ...

Page 200: ...or is displayed Connect the SSVR PCB assy to CN2 S2 or CN1 S3 on the operate PCB assy correctly Is the SSVR PCB assy correctly connected to CN2 S2 or CN1 S3 on the operate PCB assy N Y Replace SSVR PCB assy F7 S2 or F07 S3 is displayed S2 CS8000 Series S3 CS8100 Series www promelectroavtomat ru ...

Page 201: ...6 1 6Repair Manual www promelectroavtomat ru ...

Page 202: ...ector disconnection Plug cassette switch connector in 3 33 Bad main PCB Replace main PCB assy 3 32 4 Even when the presser is raised with a straight line pattern the sewing machine will not run Bad presser switch adjustment Adjust presser switch position 3 5 Presser switch function Bad presser switch Replace presser switch 3 5 5 Straight line left base line sewing unevenness pitch Bad left right n...

Page 203: ...cal drop shaft Readjust vertical drop shaft 3 65 10 Bad pattern shape Blocked by satin stitch Fine BH stitches Straight line feed too small Stitches uneven Vertical rattle in feed dog Back front rattle in feed dog There should be no rattle in the feed dog when grabbed front and back and lightly moved back and forth Loose feed dog attachment screw Readjust feed dog attachment screw 3 77 Vertical ra...

Page 204: ...ht 4 19 Slippage in needle plate attachment Reattach needle plate 3 77 Needle contact noise Noise of contact between needle and outer rotary hook Bad needle interference adjustment Adjust needle interference 4 16 Loose needle interference adjustment screw Readjust needle interference 4 16 12 Threading not possible threader hook Thread pushed out at the hook end Threading function When threading is...

Page 205: ...t complication Replace thread guide base assy 3 14 Cassette threading function 14 Thread does not catch on needle block Bad thread guide link B operation Replace thread guide link 3 8 Cassette threading function Thread should catch on needle block 15 Either upper thread tension or bobbin thread tension Upper thread tension is too strong weak Check the screw lock on the tension disk tension adjustm...

Page 206: ...erse Re adjust feed forward reverse pitch 4 14 18 Cannot select pattern SW is being pressed continually Foot controller is tangled and being pressed continually Adjust or replace SSVR PCB 3 41 Other Replace main PCB assy 3 32 19 Bobbin winder shaft not turning Bad BW switch Replace BW switch assy 3 24 Bobbin winder function Wind bobbin with Schappe Spun Sewing Thread 60 and there should be no unev...

Page 207: ...www promelectroavtomat ru ...

Page 208: ...www promelectroavtomat ru ...

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Brother CS8000 Series, Service Manual

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