Brother CE-8080PRW Скачать руководство пользователя страница 181 | Manualshive

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Failure Investigation
for Electronic Parts

Buzzer does not sound

When the power supply PCB assy.
connector (CN201) is disconnected, is
the voltage between pin 2 and 3, 3
and 4 normal?
• Between pin 2 and 3 : 5V DC
• Between pin 3 and 4 : 30V DC

N

Y

Replace the power supply
PCB assy.

Y

Replace the main PCB assy.

N

Replace the power lead wire assy.

Is the resistance between pin 1 and
1, 2 and 2, 3 and 3, 4 and 4, 5 and
5 at the power lead wire assy. 1

Ω

or less?

When the power is turned on or the pattern is selected, the
buzzer does not sound.

* In case of the models not equipped with the start/stop

button, the buzzer does not sound.

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Содержание CE-8080PRW

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Страница 4: ... Upper shaft mechanism 2 10 Removal of Tension pulley assy 2 11 Removal of Upper shaft assy 2 11 Removal of Needle presser unit 2 11 Feed mechanism 2 12 Removal of Feed module 2 13 Bobbin winder mechanism 2 14 Removal of Bobbin winder assy 2 15 Bobbin winder mechanism 2 16 Attachment of Bobbin winder assy 2 17 Feed mechanism 2 18 Attachment of Feed module 2 19 Needle bar presser mechanism Upper sh...

Страница 5: ...11 Square shape model equipped with LCD backlight 3 11 Square shape model not equipped with LCD backlight 3 11 Curvy shape model equipped with LCD backlight 3 12 Curvy shape model not equipped with LCD backlight 3 12 Removal of Decoration cover 3 13 Removal of Front cover thread guard 3 13 Removal of Thread guide wire 3 13 Removal of Base plate rubber Front cover side 3 14 Disassembly of Rear cove...

Страница 6: ...sser feed holder assy 3 34 Removal of Thread slider guide 3 34 Removal of Lead wire assy ground 3 34 Removal of BH switch assy 3 35 Removal of Thread take up lever link 3 35 Removal of Needle bar crank rod assy 3 36 Removal of Needle bar assy N 3 36 Removal of Shaft assy 3 37 Removal of Needle bar supporter assy 3 37 Removal of Threader hook assembly 3 37 Removal of Zigzag adjusting nut 3 38 Remov...

Страница 7: ...ED lamp assy 3 55 Attachment of Thread take up holder B 3 56 Assembly of Thread take up holder B 3 57 Attachment of Thread tension holder A assy 3 58 Assembly of Thread tension holder A assy 3 58 Assembly of Needle plate B assy 3 59 Electrical parts and motors 3 60 Assembly of Main motor assy 3 61 Assembly of Power supply unit 3 61 Needle bar presser mechanism Upper shaft mechanism 3 62 Attachment...

Страница 8: ...le holder shaft A 3 86 Attachment of Z zigzag adjusting nut 3 86 Attachment of Threader hook assembly 3 87 Attachment of Needle bar supporter assy 3 87 Attachment of Shaft assy 3 88 Attachment of Needle bar assy N 3 89 Attachment of Needle bar crank rod assy 3 90 Attachment of Thread take up lever link 3 90 Attachment of BH switch assy 3 91 Attachment of Lead wire assy ground 3 91 Attachment of Th...

Страница 9: ...ulse motor does not return to initial position 5 8 Pattern cannot be selected 5 9 Main motor does not rotate 5 10 Main motor rotation is not normal 5 12 Pattern cannot be sewn correctly 5 13 Button hole cannot be sewn correctly 5 14 Operation button does not work 5 15 Does not operate when the foot controller is used 5 16 Bobbin thread cannot be wound on the bobbin 5 17 LED lamp does not light 5 1...

Страница 10: ...1 1 1 Outline of Mechanism Main Mechanisms 1 2 Driveline 1 3 Positions of electronic components 1 4 Control system block diagram 1 5 Operation of other electronic components 1 6 ...

Страница 11: ...ne of Mechanism Main Mechanisms Upper shaft mechanism Lower shaft mechanism Feed Rotary hook mechanism Bobbin winder mechanism Thread tension mechanism Needle bar Presser foot mechanism Needle threader mechanism ...

Страница 12: ...er Needle bar crank rod Needle bar block Needle bar Needle bar supporter assy Needle Pulley Upper shaft Needle bar crank Needle bar crank rod Thread take up counter weight Needle bar block Feed dog Outer rotary hook Timing pulley D Timing belt Pulley Upper shaft pulley Upper shaft Vertical adjusting screw F pulse motor Feed bar Feed arm A Lower shaft Feed arm b assy Lower shaft gear Feed module Ti...

Страница 13: ...ents Front cover side Machine rear cover side LED lamp SS VR PCB LCD module Operation PCB Power supply PCB Main motor Power switch Inlet NP sensor Main PCB BH change switch PF switch BH lever switch Foot controller jack F pulse motor BW switch Z pulse motor ...

Страница 14: ...AIN MOTOR DRIVE CIRCUIT POWER SWITCH INLET BH SW BW SW CPU BUZZER EEPROM RESET IC Z PULSE MOTOR DRIVER Z PULSE MOTOR F PULSE MOTOR BACK LIGHT PCB LED PCB F PULSE MOTOR DRIVER NP SENSOR 1 NP SENSOR 2 SP SENSOR FOOT CONTROLLER JACK MAIN MOTOR LCD SS SW Z KEY x2 F KEY x2 PATTERN SELECTION KEY x4 BK SW NP SW SPEED VR WHITE COLOR LED LAMP WHITE COLOR LED NOTE There may be no parts by specification ...

Страница 15: ... the forward and rear ends of the button hole according to the BH presser foot and lever BH button hole lever switch This switch detects whether the BH lever is up or down Needle position NP sensor This sensor detects the drive timing of each pulse motor and the vertical stop of the needle position It detects the upper shaft angle of rotation by using a shutter attached to the upper shaft and an o...

Страница 16: ...cal parts and motors 2 6 Needle bar presser mechanism Upper shaft mechanism 2 10 Feed mechanism 2 12 Bobbin winder mechanism 2 14 Assembly Bobbin winder mechanism 2 16 Feed mechanism 2 18 Needle bar presser mechanism Upper shaft mechanism 2 20 Electrical parts and motors 2 24 Main parts 2 29 NOTE The posting pictures are the Square shape model The shape is different from the Curvy shape model but ...

Страница 17: ...2 2 Main parts Main parts location diagram BasicsofDisassembly ...

Страница 18: ...1 Remove the accessory table 1 1 2 Removal of Needle plate B assy 1 Slide the slide button B 1 and then remove the needle plate B assy 2 Refer to 3 3 Disassembly of Needle plate B assy 2 1 3 Removal of Base cover 1 Remove the 4 screws 1 and then remove the base cover 1 1 1 ...

Страница 19: ...2 4 BasicsofDisassembly Main parts 4 Removal of Face plate 1 Remove the screw 1 2 Remove the face plate 1 1 1 ...

Страница 20: ...ove the screw 2 2 screws 3 and 5 screws 4 from the side of the rear cover and then remove the front cover assy 2 3 Remove the lead wires from the guide parts of the shutter cover 3 4 Remove the connector of the operation PCB sub assy 4 and the connector of the SSVR PCB assy 5 from the main PCB 6 Refer to 3 4 Disassembly of Front cover assy 4 5 3 2 2 4 1 1 3 2 6 ...

Страница 21: ...2 6 Electrical parts and motors Electrical parts and motors location diagram BasicsofDisassembly ...

Страница 22: ...he main PCB assy 2 4 1 1 2 3 2 Removal of Shutter cover 1 Remove the 2 screws 1 and then remove the shutter cover 1 1 1 3 Removal of Power supply unit 1 Remove the ferrite core 1 from the hook of the power supply unit 2 and then remove the lead wire of the FPM 3 from the guide parts of the power supply unit 2 2 Remove the connectors of the inlet assy 4 and the main motor assy 5 3 Remove the 2 scre...

Страница 23: ...csofDisassembly 4 Removal of Inlet assy 1 Remove the screw 1 and then remove the inlet presser 1 and the inlet assy 2 2 1 1 2 5 Removal of Foot controller jack assy 1 Remove the nut F 1 and then remove the foot controller jack assy 2 2 1 ...

Страница 24: ...assy 1 Remove the 2 screws 1 and then remove the 2 washer EX tooth 5 1 and the main motor assy 2 2 Remove the timing belt 372 2GT 6 motor belt 3 from the gear part of the main motor assy 2 Refer to 3 18 Disassembly of Main motor assy 2 3 1 1 7 Removal of Spring 1 Remove the spring 1 1 ...

Страница 25: ...2 10 Needle bar presser mechanism Upper shaft mechanism Needle bar presser mechanism Upper shaft mechanism location diagram BasicsofDisassembly ...

Страница 26: ...t 2 of the upper shaft asssy 1 2 Remove the 4 screws 2 and then remove the 2 upper shaft bearing pressers 3 3 Remove the upper shaft asssy 1 from the needle bar crank rod assy 4 and then remove the T belt 420 5GT 6 timing belt 5 and the timing belt 372 2GT 6 motor belt 6 Refer to 3 20 Disassembly of Upper shaft assy 4 2 3 3 2 2 5 6 1 1 3 Removal of Needle presser unit 1 Remove the label and then r...

Страница 27: ...2 12 Feed mechanism Feed mechanism location diagram BasicsofDisassembly ...

Страница 28: ... Basics 1 Removal of Feed module 1 Remove the 2 screws 1 and then remove the upper shaft bearing presser 1 2 Remove the 2 screws 2 and then remove the 2 washer EX tooth 5 2 and the feed module 3 Refer to 3 23 Feed and rotary module 3 1 1 2 2 ...

Страница 29: ...2 14 Bobbin winder mechanism Bobbin winder mechanism location diagram BasicsofDisassembly ...

Страница 30: ...cs 1 Removal of Bobbin winder assy 1 Remove the screw 1 and then remove the bobbin winder shaft stopper 1 and the bobbin winder shaft spring 2 2 Remove the 2 screws 2 and then remove the bobbin winder assy 3 Refer to 3 21 Bobbin winder mechanism 2 3 1 1 2 ...

Страница 31: ...2 16 Bobbin winder mechanism Bobbin winder mechanism location diagram BasicsofAssembly ...

Страница 32: ...he bobbin winder shaft stopper 3 3 Place the bobbin winder shaft spring 4 and the bobbin winder shaft stopper 3 and secure it with the screw 2 Key point Check that the bobbin winder assy 1 pass over the bobbin winder shaft spring 4 when the bobbin winder is switched Check that the bobbin winder spring 4 return to the original position when the bobbin winder is switched Refer to 3 64 Bobbin winder ...

Страница 33: ...2 18 Feed mechanism Feed mechanism location diagram BasicsofAssembly ...

Страница 34: ...1 2 Set the upper shaft bearing presser 4 to the rear cover assy with the 2 screws 2 Key point Attach the upper shaft bearing presser 4 so that the projecting part is positioned at the upper right Refer to 3 66 Feed and rotary module Apply OILER to the matching section of the lower shaft and the lower shaft bushing 1 2 drops XZ0206 1 Torque 1 18 1 57 N m 2 Torque 1 18 1 57 N m 2 1 2 4 1 3 Giza Tit...

Страница 35: ...2 20 Needle bar presser mechanism Upper shaft mechanism Needle bar presser mechanism Upper shaft mechanism location diagram BasicsofAssembly ...

Страница 36: ... unit 1 Set the needle presser unit 1 to the positioning part of the inside of the rear cover with the 2 screws 1 2 Tighten the screw 2 from the outside of the rear cover assy 3 Attach the label Refer to 3 80 Needle presser module 1 Torque 1 18 1 57 N m 2 Torque Hand start 1 1 2 Giza Tite M5X20 Screw Bind M3X25 ...

Страница 37: ... winder assy 9 is on the left side Attach the left upper shaft bearing presser 7 so that the projecting part of 7 is positioned at the upper right And attach the right upper shaft bearing presser 8 so that the projecting part of 8 is positioned at the lower shaft 5 Align the D cut face of the needle bar crank rod assy 4 with the screw hole on the thread take up counter weight 5 and tighten the scr...

Страница 38: ...the front the larger feed cam 5 is at the rear and the hole on the lower shaft 6 is at the vertical 3 Pull the timing belt 7 and hang it on the timing pulley D 8 1 7 8 4 6 3 5 3 7 2 Front Rear 4 Attachment of Tension pulley assy 1 Set the tension pulley assy 1 to the rear cover assy and then temporarily tighten the 2 screws 1 Key point Fully tighten the screw 1 after performing 4 4 Adjustment Timi...

Страница 39: ...2 24 Electrical parts and motors Electrical parts and motors location diagram BasicsofAssembly ...

Страница 40: ...hang the section 6 on the tension pulley holder 7 1 6 7 3 2 4 5 2 Attachment of Main motor assy 1 Hang the motor belt 3 on the gear part of the main motor assy 1 and the T pulley 2 2 Set the main motor assy 1 to the rear cover assy and then temporarily tighten the 2 screws 1 and the 2 washer EX tooth 5 4 Key point Fully tighten the screw 1 after performing 4 5 Adjustment Motor belt tension Refer t...

Страница 41: ...e jack nut 2 from the outside of the rear cover assy and secure the foot controller jack assy 1 Key point Pass the lead wire of the foot controller jack assy 1 between the main motor sub assy and the rear cover assy 1 2 4 Attachment of Inlet assy 1 Set the inlet assy 1 and the inlet presser 2 to the rear cover assy with the screw 1 1 Torque 0 78 1 18 N m 2 1 1 1 Taptite Cup B M4X14 ...

Страница 42: ... the guide part of the power supply unit 1 and then set the ferrite core 5 to the hook of the power supply unit 1 Key point Refer to Special Instructions of Wiring Refer to 3 61 Assembly of Power supply unit 1 Torque 1 18 1 57 N m 2 Torque 0 78 1 18 N m 2 1 3 5 1 4 2 1 Screw Bind M4X8 Taptite Cup B M4X14 6 Attachment of Shutter cover 1 Hang the hook part of the bobbin winder shaft stopper 1 on the...

Страница 43: ... lead wire on the guide part of the shutter cover 2 and then connect the each connector to the main PCB assy 1 Key point Refer to Special Instructions of Wiring 3 Secure the lead wire assy ground 4 and the main PCB assy 1 to the shutter cover 2 with the screw 1 Key point Refer to Special Instructions of Wiring Check that the bobbin winder switch of the back side of the main PCB assy moves surely w...

Страница 44: ...2 29 Basics Main parts Main parts location diagram BasicsofAssembly ...

Страница 45: ...ey point Refer to Special Instructions of Wiring 3 Set the front cover assy to the rear cover assy and then secure them with the screw 1 from the front cover side and the 2 screws 2 the 5 screws 3 and the screw 4 from the rear cover side Refer to 3 47 Assembly of Front cover assy 1 Torque 0 78 1 18 N m 2 Torque 0 78 1 18 N m 3 Torque 1 18 1 57 N m 4 Torque 0 78 1 18 N m 2 4 3 2 5 1 4 3 1 Giza Tite...

Страница 46: ... screw 1 1 Torque 0 78 1 18 N m 1 1 Taptite Cup P M4X20 3 Attachment of Base cover 1 Set the base cover 1 to the machine with the 4 screws 1 1 Torque 0 59 0 78 N m 1 1 Taptite Bind B M4X10 4 Attachment of Needle plate B assy 1 Attach the needle plate B assy 1 to the machine Refer to 3 59 Assembly of Needle plate B assy 1 ...

Страница 47: ...2 32 BasicsofAssembly Main parts 5 Attachment of Accessory table 1 Attach the accessory table 1 to the machine 1 ...

Страница 48: ...n winder mechanism 3 21 Feed and rotary module 3 23 Needle presser module 3 33 Assembly Main parts 3 42 Electrical parts and motors 3 60 Needle bar presser mechanism Upper shaft mechanism 3 62 Bobbin winder mechanism 3 64 Feed and rotary module 3 66 Needle presser module 3 80 NOTE The posting pictures are the Square shape model The shape is different from the Curvy shape model but the basic config...

Страница 49: ...3 2 Main parts Main parts location diagram ApplicationofDisassembly ...

Страница 50: ... 1 2 Remove the cutter cover 4 from the needle plate B assy 1 3 Remove the spring plate 5 from the cutter cover 4 and then remove the NT lower thread cutter 6 4 Remove the slide button 2 from the needle plate B assy 1 Key point Remove the 2 hooks 7 from the rear side of the needle plate B assy 1 5 Remove the slide button B 8 from the needle plate B assy 1 1 4 3 2 1 8 6 5 4 7 2 8 ...

Страница 51: ...assy 5 from the thread tension holder A assy 2 Key point Turn the thread tension dial 4 until see the thread dial shaft 3 by feeding the thread tension plate assy 5 to the left side 3 Remove the screw 2 and then remove the adjusting screw spring plate 6 from the thread tension plate assy 5 4 Remove the thread tension adjusting screw 7 and then remove the thread tension adjusting gear 8 from the th...

Страница 52: ...the screws 1 and then remove the thread take up holder B 1 1 1 1 2 2 1 Disassembly of Thread take up holder B 1 Remove the screw 1 and then remove the thread catching spring case 2 from the thread take up holder B 1 2 Remove the thread take up spring 3 from the thread catching spring case 2 1 1 2 2 3 ...

Страница 53: ... assy 1 Disconnect the connector 2 of the LED lamp assy 1 from the operation PCB sub assy 2 Remove the screw 1 and then remove the LED lamp assy 1 2 1 1 2 4 Removal of SSVR PCB assy 1 Cut the band 1 2 Remove the 2 screws 1 and then remove the SSVR PCB assy 2 1 2 1 ...

Страница 54: ...verse button 2 and the NP button 3 Note As for the SS button 1 and the NP button 3 it is not mounted by the model 2 1 3 2 1 3 2 6 Removal of SV keytop 1 Remove the 2 hooks 1 and then remove the SV keytop 2 2 Remove the SV joint plate 3 Note As for the SV keytop 2 and SV joint plate 3 it is not mounted by the model 2 1 3 ...

Страница 55: ...assy 2 from the operation PCB assy 3 2 Remove the 3 screws 1 and then remove the operation PCB assy 3 3 Disconnect the flat cable 4 of the LCD from the operation PCB assy 3 1 1 3 4 3 2 2 7 B Square shape model not equipped with LCD backlight 1 Disconnect the flat cable 1 of the LCD from the operation PCB assy 2 2 Remove the 3 screws 1 and then remove the operation PCB assy 2 1 1 2 ...

Страница 56: ... the operation PCB assy 3 2 Remove the 3 screws 1 and then remove the operation PCB assy 3 3 Disconnect the flat cable 4 of the LCD from the operation PCB assy 3 1 1 3 4 3 2 2 7 D Curvy shape model not equipped with LCD backlight 1 Disconnect the flat cable 1 of the LCD from the operation PCB assy 2 2 Remove the 3 screws 1 and then remove the operation PCB assy 2 1 1 2 ...

Страница 57: ... 2 8 Removal of Selecting Manual buttons 1 Remove the 2 selecting button A 1 the 2 selecting button B 2 the 2 manual button A 3 and the 2 manual button B 4 Note As for the LCD backlight PCB assy it is not mounted by the model 1 2 3 4 4 3 2 1 ...

Страница 58: ...Square shape model equipped with LCD backlight 1 Remove the 2 screws 1 and then remove the single light guide assy 1 2 Remove the LCD 2 1 1 2 2 9 B Square shape model not equipped with LCD backlight 1 Remove the 2 screws 1 and then remove the LCD holder 1 2 Remove the LCD 2 1 1 2 ...

Страница 59: ...model equipped with LCD backlight 1 Remove the screw 1 and then remove the single light guide assy 1 2 Remove the LCD 2 1 1 2 2 9 D Curvy shape model not equipped with LCD backlight 1 Remove the screw 1 and then remove the LCD holder 1 2 Remove the LCD 2 1 1 2 ...

Страница 60: ...on 2 10Removal of Decoration cover 1 Remove the 3 screws 1 and then remove the decoration cover 1 1 1 2 11Removal of Front cover thread guard 1 Remove the front cover thread guard 1 1 2 12Removal of Thread guide wire 1 Remove the thread guide wire 1 1 ...

Страница 61: ...he 2 base plate rubbers 1 1 3 Disassembly of Rear cover assy 3 1 Removal of Spool pin 1 Remove the hook 1 and then remove the spool pin supporter 2 2 Remove the spool pin 3 from the spool pin supporter 2 3 Remove the spool pin spring cover 4 and the spool pin spring 5 from the spool pin 3 1 3 4 5 2 3 2 ...

Страница 62: ...older 2 2 1 1 3 3 Removal of Bobbin presser 1 Remove the screw 1 and then remove the bobbin presser 1 2 Remove the Nut 1 M3 2 1 1 2 3 4 Removal of Bobbin winder guide assy 1 Remove the screw 1 and then remove the bobbin winder guide assy 1 1 1 3 5 Removal of Thread guide supporting plate 1 Remove the screw 1 and then remove the thread guide supporting plate 1 1 1 ...

Страница 63: ...hen remove the cutter cover assy 1 1 1 3 7 1 Disassembly of Cutter cover assy 1 Remove the screw 1 and then remove the cutter holder plate 1 from the cutter cover 2 2 Remove the NT lower thread cutter 3 from the cutter cover 2 1 2 3 1 3 8 Removal of Base plate rubber Rear cover side 1 Remove the screw 1 and then remove the washer plain M 3 5 1 and the rubber cushion A 2 2 Remove the base plate rub...

Страница 64: ...3 17 Application Electrical parts and motors Electrical parts and motors location diagram ApplicationofDisassembly ...

Страница 65: ... assy 1 2 Remove the 2 screws 1 and then remove the insulation plate 2 3 Remove the screw 2 and then remove the power plate spring 3 and the power supply PCB assy 4 1 2 1 4 2 3 2 Disassembly of Main motor assy 1 Remove the motor fan 1 2 Remove the 2 screws 1 and then remove the main motor 3 from the motor holder 2 1 1 2 3 ...

Страница 66: ...3 19 Application Needle bar presser mechanism Upper shaft mechanism Needle bar presser mechanism Upper shaft mechanism location diagram ApplicationofDisassembly ...

Страница 67: ...he screw 1 and then remove the tension pulley holder 2 from the tension pulley assy 1 1 1 2 2 Disassembly of Upper shaft assy 1 Remove the pulley 2 from the upper shaft assy 1 2 1 3 Removal of Plate spring 1 Remove the adjusting screw 1 2 Remove the 2 screws 1 and then remove the adjusting plate 2 and the plate spring 3 1 2 1 3 ...

Страница 68: ...3 21 Application Bobbin winder mechanism Bobbin winder mechanism location diagram ApplicationofDisassembly ...

Страница 69: ... bobbin winder wheel 2 Remove the bobbin base assy 2 from the bobbin winder assy 3 3 2 1 1 1 Disassembly of Bobbin base assy 1 Remove the bobbin thread cutter holder 2 from the bobbin base assy 1 Key point Be careful not to damage the 4 hooks 3 3 Remove the NT lower thread cutter 4 from the bobbin base assy 1 3 3 1 4 2 ...

Страница 70: ...3 23 Application Feed and rotary module Feed and rotary module location diagram ApplicationofDisassembly ...

Страница 71: ... 1 Disassembly of Needle plate A assy 1 Remove the 2 screws 1 and then remove the F gear stopper plate 1 from the needle plate A 2 2 Remove the 2 screws 2 and then remove the needle plate B support plate 3 and the stopper plate 4 from the needle plate A 2 3 Remove the 2 screws 3 and then remove the needle plate holder 5 from the needle plate A 2 2 3 1 1 4 3 2 2 5 1 3 Removal of Feed dog 1 Remove t...

Страница 72: ...pring S07 S07 5 Removal of FPM holder sub assy 1 Remove the screw 1 2 Remove the screw 2 and then remove spring 3 Remove the retaining ring 10 and then remove the FPM holder sub assy 1 from the base plate assy 4 Remove the rubber 2 from the FPM holder sub assy 1 2 Retaining ring 10 1 2 S06 2 1 1 S06 ...

Страница 73: ...moval of Inner rotary hook bracket assy 1 Remove the screw 1 and then remove the IRH bracket support plate 1 and the inner rotary hook bracket assy 2 from the base plate assy 1 2 1 8 Removal of Outer rotary hook assy 1 Remove the screw 1 and then pull the outer rotary hook shaft 1 and remove the spacer 2 outer rotary hook assy 3 washer 6 4 and spacer 5 from the shaft supporter 6 1 1 2 3 4 5 6 9 Re...

Страница 74: ...e retaining ring CS4 and then remove the feed bar 1 and the polyester slider 2 from the feed arm A assy 2 Retaining ring CS4 1 11 Removal of Vertical adjuster screw assy 1 Remove the vertical adjuster screw assy 1 from the feed bar 2 2 Remove the M5 nut 3 from the vertical adjuster screw assy 1 2 3 1 ...

Страница 75: ...n remove the washer plain 2 the spring and the vertical lever 3 3 Remove the retaining ring E3 from the vertical feed shaft 1 4 Remove the drop knob 4 from the base plate assy Key point Remove it while lifting the section 6 of the drop knob 4 to get over the boss part 5 of the base plate assy 1 Retaining ring E3 Retaining ring E3 1 4 5 6 S04 2 3 4 S04 ...

Страница 76: ...and the feed arm supporter 2 from the base plate assy 2 1 1 1 1 1 14 Removal of Feed supporting plate 1 Remove the screw 1 and then remove the feed supporting plate B 1 and the feed supporting plate 2 from the feed arm assy 3 1 2 3 1 15 Removal of Timing pulley D 1 Remove the 2 screws 1 and then remove the timing pulley D 1 from the lower shaft assy 2 1 1 2 ...

Страница 77: ...wer shaft assy 2 2 Retaining ring E6 1 17 Removal of Bushing presser B 1 Remove the retaining ring E6 and then remove the washer thrust 2 from the lower shaft assy 1 2 Remove the 3 screws 1 and then remove the bushing presser B 3 from the base plate assy 3 Remove the lower shaft bushing 4 and the washer thrust 5 from the lower shaft assy 1 2 1 1 3 Retaining ring E6 5 1 4 ...

Страница 78: ... and then remove the set collar 2 1 2 1 19 Removal of Feed arm A assy 1 Remove the screw 1 and then remove the set collar 1 2 Remove the screws 2 and then pull the horizontal feed shaft 2 and then remove the washer thrust 3 the feed arm A assy 4 and the washer thrust 5 Key point Remove the feed regulator slide shaft of the feed arm B assy from the feed adjuster 1 1 2 2 4 5 3 ...

Страница 79: ...and the polyester slider 2 from the feed arm A assy 3 1 Retaining ring CSTW 3 5 3 2 21 Removal of Feed adjuster assy 1 Pull the feed adjuster 1 from the base plate assy and then remove the spring and the polyester slider 2 1 S03 2 S03 21 1 Disassembly of Feed adjuster assy 1 Remove the spring and then remove the F gear 2 from the feed adjuster 1 1 2 S02 S02 ...

Страница 80: ...3 33 Application Needle presser module Needle presser module location diagram ApplicationofDisassembly ...

Страница 81: ...hen remove the presser feed holder assy 2 from the presser bar 3 3 2 1 1 2 Removal of Thread slider guide 1 Remove the screw 1 and then remove the thread slider guide 1 from the needle bar supporter assy 2 2 1 1 3 Removal of Lead wire assy ground 1 Cut the 5 bands 1 2 Remove the screw 1 and then remove the lead wire assy ground 2 2 1 1 1 ...

Страница 82: ...Removal of Thread take up lever link 1 Remove the screw 1 and then pull the take up support shaft 1 and then remove the washer spring 2 and the thread take up lever link 3 Key point Pull the thread take up lever link 3 from the shaft of the thread take up lever 4 2 Remove the retaining ring E5 from the take up support shaft 1 2 1 3 Retaining ring E5 1 1 4 ...

Страница 83: ...nd then remove the thread take up lever 3 from the needle bar crank rod assy 1 Key point The screw 1 is reverse threaded 1 2 1 3 1 7 Removal of Needle bar assy N 1 Remove the 2 screws 1 and then pull the needle bar assy N 1 from the needle bar supporter assy and then remove the needle thread block 2 and the needle bar block 3 2 Remove the screw 2 from the needle block 4 2 2 3 2 1 4 ...

Страница 84: ...bar supporter assy 3 2 1 1 3 9 Removal of Needle bar supporter assy 1 Remove the spring and the spring and then remove the needle bar supporter assy 1 from the base holder assy Key point Pull the shaft 2 of the needle bar supporter assy 1 from the shaft bushing 3 and then remove it from the upper side 1 S11 3 S10 1 2 S11 S10 10 Removal of Threader hook assembly 1 Release the hook 1 and then remove...

Страница 85: ...ove the spring 2 Remove the screw 1 and then remove the plate 1 from the needle bar supporter assy 3 Remove the screw 2 and then pull the shaft 2 and then remove the needle holder shaft A 3 from the needle bar supporter assy 1 1 3 S09 2 2 S09 13 Removal of PF switch assy 1 Remove the screw 1 and then remove the presser switch holder 1 from the base holder assy 2 Remove the PF switch assy 2 from th...

Страница 86: ... 1 Retaining ring E4 15 Removal of Presser bar 1 Remove the screw 1 and then pull the presser bar 1 from the base holder assy and then remove the spring 2 and the presser bar clamp 3 1 1 2 3 1 16 Removal of Thread release lever 1 Remove the retaining ring CS4 and then remove the thread release lever 1 and the spring from the base holder assy 1 S08 Retaining ring CS4 S08 ...

Страница 87: ... from the Z zigzag lever assy 1 2 Remove the retaining ring E4 and then remove the Z zigzag lever assy 1 and the polyester slider 3 1 Retaining ring E4 2 3 18 Removal of Z zigzag cam 1 Remove the retaining ring E3 and then remove the Z zigzag cam 1 Retaining ring E3 1 19 Removal of Rubber 1 Remove the rubber 1 1 ...

Страница 88: ...ove the Z pulse motor 1 from the base holder assy 2 Remove the lead wire sub assy 2 from the Z pulse motor 1 1 1 2 21 Removal of Lock nut 1 Remove the lock nut 1 from the base holder assy 2 Remove the screw 1 1 1 22 Removal of Shaft bushing 1 Remove the 2 screws 1 and then remove the shaft bushing 1 from the base holder assy 1 1 ...

Страница 89: ...3 42 Main parts Main parts location diagram ApplicationofAssembly ...

Страница 90: ... cover assy 1 Set the cutter cover assy 1 to the rear cover assy with the screw 1 Key point Check that the rib of the cutter cover assy 1 engaged with the groove of the rear cover assy 1 Torque 0 78 1 18 N m 1 1 Taptite Bind B M4X10 1 2 1 Assembly of Cutter cover assy 1 Set the NT lower thread cutter 2 to the cutter cover 1 2 Set the cutter holder plate 3 to the cutter cover 1 with the screw 1 Key...

Страница 91: ...8 N m 1 1 Taptite Bind B M4X10 1 5 Attachment of Bobbin winder guide assy 1 Set the bobbin winder guide assy 1 to the rear cover assy and then temporarily tighten the screws 1 Key point Fully tighten the screw 1 after performing 4 16 Adjustment Bobbin winder 1 Torque Hand start 1 1 Screw Pan S P washer M3X8DB 1 6 Attachment of Bobbin presser 1 Set the Nut 1 M3 1 to the rear cover assy 2 Set the bo...

Страница 92: ...rts ApplicationofAssembly Application 1 7 Attachment of Spool pin holder 1 Set the spool holder 1 and spool pin stop plate 2 to the rear cover assy with the screw 1 1 Torque 0 78 1 18 N m 1 1 2 Taptite Cup B M4X14 ...

Страница 93: ...section of the spool pin spring 1 in between the groove part of the spool pin spring cover 5 3 Set the spool pin 2 to the spool pin supporter 6 Key point Check that the protrusion of the spool pin spring cover 5 engaged with the groove part of the spool pin supporter 6 Insert the hook part 7 of long side of the straight section of the spool pin spring 1 into the hole 8 of the spool pin supporter 6...

Страница 94: ...Base plate rubber Front cover side 2 Attach the 2 base plate rubbers 1 to the front cover assy 1 2 3 Attachment of Thread guide wire 1 Attach the thread guide wire 1 to the front cover assy 1 2 4 Attachment of Front cover thread guard 1 Attach the front cover thread guard 1 to the front cover assy 1 ...

Страница 95: ...3 48 ApplicationofAssembly Main parts 2 5 Attachment of Decoration cover 1 Set the decoration cover 1 to the front cover assy with the 3 screws 1 1 Torque 0 78 1 18 N m 1 1 Taptite Bind B M4X14 ...

Страница 96: ... cover assy 2 Set the single light guide assy 2 to the front cover assy with the 2 screws 1 1 Torque 0 39 0 78 N m 1 2 1 Taptite Bind B M3X10 2 6 B Square shape model not equipped with LCD backlight 1 Set the LCD 1 to the front cover assy 2 Set the LCD holder 2 to the front cover assy with the 2 screws 1 1 Torque 0 39 0 78 N m 1 2 1 Taptite Bind B M3X10 ...

Страница 97: ...Set the single light guide assy 2 to the front cover assy with the screw 1 1 Torque 0 39 0 78 N m 1 2 1 Taptite Bind B M3X10 2 6 D Curvy shape model not equipped with LCD backlight 1 Set the LCD 1 to the front cover assy 2 Set the LCD holder 2 to the front cover assy with the screw 1 1 Torque 0 39 0 78 N m 1 2 1 Taptite Bind B M3X10 ...

Страница 98: ...tachment of Selecting Manual buttons 1 Set the 2 selecting button A 1 the 2 selecting button B 2 the 2 manual button A 3 and the 2 manual button B 4 to the front cover assy Note As for the LCD backlight PCB assy it is not mounted by the model 4 3 2 1 1 2 3 4 ...

Страница 99: ...each switch of the operation PCB assy 2 3 Connect the connector 3 of the single light guide assy 4 to the operation PCB assy 2 1 Torque 0 59 0 78 N m 1 2 1 3 2 4 Taptite Bind B M3X10 2 8 B Square shape model not equipped with LCD backlight 1 Connect the flat cable 1 of the LCD to the operation PCB assy 2 2 Set the operation PCB assy 2 to the front cover assy with the 3 screws 1 Key point Check tha...

Страница 100: ...of the operation PCB assy 2 3 Connect the connector 3 of the single light guide assy 4 to the operation PCB assy 2 1 Torque 0 59 0 78 N m 1 2 1 3 2 4 Taptite Bind B M3X10 2 8 D Curvy shape model not equipped with LCD backlight 1 Connect the flat cable 1 of the LCD to the operation PCB assy 2 2 Set the operation PCB assy 2 to the front cover assy with the 3 screws 1 Key point Check that contact the...

Страница 101: ...k that the 2 ribs of the SV keytop 2 engaged with the 2 positioning holes of the SV joint plate 1 Note As for the SV keytop 2 it is not mounted by the model 1 2 2 10Attachment of SS Reverse NP buttons 1 Set the SS button 1 the reverse button 2 and the NP button 3 to the front cover assy Note As for the SS button 1 and the NP button 3 it is not mounted by the model 2 1 3 2 1 3 ...

Страница 102: ... 1 2 Bind the lead wires of the SSVR PCB assy 1 and the operation PCB assy 4 with the band 5 Key point Refer to Special Instructions of Wiring 1 Torque 0 59 0 78 N m 1 1 2 3 4 5 1 Taptite Bind B M3X10 2 12Attachment of LED lamp assy 1 Set the LED lamp assy 1 to the front cover assy with the screw 1 2 Connect the connector 2 of the LED lamp assy 1 to the operation PCB sub assy 3 Hang the lead wire ...

Страница 103: ...3 56 ApplicationofAssembly Main parts 2 13Attachment of Thread take up holder B 1 Set the thread take up holder B 1 to the front cover assy with the screw 1 1 Torque 0 78 1 18 N m 1 1 1 Screw Bind M4X6 ...

Страница 104: ...hread catching spring case 2 Check that there is the section 5 of the thread take up spring 1 in between the 2 ribs 6 of the thread catching spring case 2 2 Set the thread catching spring case 2 to the thread take up holder B 7 with the screw 1 Key point Check that align the 2 ribs 6 of the thread catching spring case 2 with the elongate hole of the thread take up holder B 7 1 Torque 0 29 0 49 N m...

Страница 105: ...nsion disc A 7 and the tension disc B 8 with the protrusion C of the thread tension holder A assy 4 Engage the groove part E of the thread tension dial D with the protrusion of the thread tension plate assy 1 and insert the thread tension adjusting screw 3 into the shaft and then set the thread tension dial D to the thread tension holder A assy with the tension dial shaft F Key point Set the tensi...

Страница 106: ...he needle plate B assy 2 2 Attach the slide button B 4 to the needle plate B assy 2 3 Attach the NT lower thread cutter 6 and the spring plate 7 to the cutter cover 5 4 Attach the cutter cover 5 to the needle plate B assy 2 Key point Check that hang the hook 8 on the needle plate B assy 2 5 Attach the needle plate cover 9 to the needle plate B assy 2 1 2 4 1 4 1 4 5 9 6 7 5 3 5 8 2 2 ...

Страница 107: ...3 60 Electrical parts and motors Electrical parts and motors location diagram ApplicationofAssembly ...

Страница 108: ...e 0 59 0 78 N m 1 1 1 3 1 2 Screw Pan S P washer M3X8DB 2 Assembly of Power supply unit 1 Set the power supply PCB assy 1 and the power plate spring 2 to the insulation cover 3 with the screw 1 2 Set the insulation plate 4 to the insulation cover 3 with the 2 screws 2 3 Connect the power lead wire assy 5 to the power supply PCB assy 1 1 2 Torque 0 39 0 78 N m 1 1 3 3 2 2 4 5 Taptite Bind B M3X10 ...

Страница 109: ...3 62 Needle bar presser mechanism Upper shaft mechanism Needle bar presser mechanism Upper shaft mechanism location diagram ApplicationofAssembly ...

Страница 110: ...crew 3 to the plate spring 2 1 Torque 0 78 1 18 N m 1 1 3 2 3 Taptite Bind B M4X10 2 Assembly of Upper shaft assy 1 Attach the pulley 2 to the upper shaft assy 1 2 1 3 Assembly of Tension pulley assy 1 Align the boss 3 of the tension pulley holder 2 with the hole of the tension pulley assy 1 and then temporarily tighten the screw 1 Key point Fully tighten the screw 1 after performing 4 4 Adjustmen...

Страница 111: ...3 64 Bobbin winder mechanism Bobbin winder mechanism location diagram ApplicationofAssembly ...

Страница 112: ...ullets 3 of the bobbin base assy 1 engage with the 2 protrusions 4 of the bobbin winder 2 Attach the rubber ring 5 to the bobbin winder wheel 2 1 3 4 5 1 1 Assembly of Bobbin base assy 1 Attach the NT lower thread cutter 2 to the bobbin base assy 1 2 Attach the bobbin thread cutter holder 3 to the bobbin base assy 1 Key point Be careful not to damage the hooks 4 4 locations 1 2 3 4 4 ...

Страница 113: ...3 66 Feed and rotary module Feed and rotary module location diagram ApplicationofAssembly ...

Страница 114: ...ster shaft with FBK OIL RO 100 1 2 drops XC8388 Apply EPNOC AP N 0 to the entire operating part of the feed adjuster feed regulator slide block Bead XC8387 S02 2 1 S02 1 S02 Spring XC2531 8 8 9 9 5 5 1 1 Assembly of Feed adjuster assy 1 Set the F gear 2 to the feed adjuster 1 Key point When set it as shown in the right figure check that the protrusion 3 of the F gear 2 is the upper side 2 Attach t...

Страница 115: ... feed adjuster 4 2 Insert the horizontal feed shaft 5 into the feed arm A assy 1 the washer thrust 6 and the base plate assy from the right side and then align the screw hole on the feed arm supporter shaft 7 and then attach it with the screw 1 3 Insert the washer thrust 8 and the set collar 9 into the horizontal feed shaft 5 and then attach it with the screw 2 Key point Attach the feed arm A assy...

Страница 116: ... lower shaft assy 1 and then tighten the 2 screws 1 temporarily Key point Check that the cut surface 3 of the set collar 2 is the out side Fully tighten the screw 1 after performing 3 70 Attachment of Bushing presser B 2 Set the lower shaft assy 1 to the base plate assy 1 Torque 0 78 1 18 N m 1 2 3 1 1 Set Screw Socket CP M4X4 ...

Страница 117: ...tighten the 2 screws 2 Key point Check that the lower shaft assy 1 is not a wobble and it moves smoothly Lubricate the lower shaft bushing round surface with FBK OIL RO 100 1 2 drops XC8388 Apply MOLYKOTE EM30L to all of the teeth around the lower shaft gear Small amount XC8385 1 Torque 0 39 0 78 N m 2 Torque 0 78 1 18 N m 2 1 3 5 1 1 4 Retaining ring E6 3 6 2 2 Taptite Bind B M3X6 Set Screw Socke...

Страница 118: ... plate 1 Set the feed supporting plate 1 to the feed arm B assy 2 Key point Check that the protrusion 3 of the feed supporting plate 1 engaged with the groove 4 of the feed arm B assy 2 2 Set the feed supporting plate B 5 to the feed supporting plate 1 attach the feed arm B assy 2 with the screw 1 Key point Check that the boss of the feed supporting plate B 5 engaged with the positioning hole of t...

Страница 119: ...sembly Feed and rotary module 9 Attachment of Shaft supporter 1 Set the feed arm supporter 1 and the shaft supporter 2 to the base plate assy with the 4 screws 1 1 Torque 1 37 1 57 N m 2 1 1 1 1 2 Screw Pan S P washer M4X8 ...

Страница 120: ...e plate from the left side Key point Insert it until the retaining ring hit the base plate assy 4 Attach the 3 retaining rings E3 to the grooves 3 locations of the vertical feed shaft 4 Apply EPNOC AP N 0 to the sliding parts of the drop knob and the base plate assy Bead XC8387 Lubricate the vertical feed shaft with the OILER 1 2 drops XZ0206 Apply EPNOC AP N 0 to the vertical feed cam surface A S...

Страница 121: ...th the groove of the vertical lever 5 Check that there should no gap between the retaining ring CS4 and the feed bar 3 Apply EPNOC AP N 0 to the feed shaft hole in the feed bar Bead XC8387 Apply EPNOC AP N 0 to the feed arm A assy Bead XC8387 Apply EPNOC AP N 0 to the groove of the vertical lever Small amount XC8387 3 Retaining ring CS4 2 1 4 5 13 Attachment of Spring 1 Attach the spring to the fe...

Страница 122: ... OILER Apply liberally XZ0206 1 Torque 0 78 1 18 N m 1 1 2 3 7 4 5 6 Set Screw Socket CP M4X6 15 Attachment of Inner rotary hook bracket assy 1 Set the inner rotary hook bracket assy 1 and the IRH bracket support plate 2 to the base plate assy and then temporarily tighten the screw 1 Key point Check that align the positioning hole of the inner rotary hook bracket assy 1 with the boss of the base p...

Страница 123: ...5 3 Sandwich the spring between the FPM holder sub assy 1 and the base plate assy and then tighten the screw 1 Key point Tighten the screw 1 until the screw hole 6 in the base plate assy comes approximately to the center of the positioning hole 7 in the FPM holder sub assy 1 4 Tighten the screw 2 temporarily Key point Fully tighten the screw 2 after performing 4 15 Adjustment Feed forward backward...

Страница 124: ...4 with the teeth of the F gear 5 and then mesh it and the F pulse motor gear 1 Key point Check that the match mark 6 of the F gear 5 and the match mark 7 of the F pulse motor gear 1 are together Apply EPNOC AP N 0 to the all of the teeth on the feed adjusting assy F gear Bead XC8387 3 2 1 4 5 1 5 6 1 7 19 Attachment of Spring 1 Attach the spring to the FPM holder assy 1 and the feed bar 2 S07 1 2 ...

Страница 125: ...crew needle plates 2 2 1 21 1Assembly of Needle plate A assy 1 Set the F gear stopper plate 1 to the needle plate A 2 with the 2 screws 1 Key point Check that the boss part of the F gear stopper plate 1 engaged with the positioning hole of the needle plate A 2 2 Set the stopper plate 3 and the needle plate B support plate 4 to the needle plate A assy 2 with the 2 screws 2 Key point Check that the ...

Страница 126: ...3 79 Feed and rotary module ApplicationofAssembly Application 22 Attachment of Inner rotary hook assy 1 Set the inner rotary hook assy 1 to the outer rotary hook assy 2 1 2 ...

Страница 127: ...3 80 Needle presser module Needle presser module location diagram ApplicationofAssembly ...

Страница 128: ...n the lock nut 1 to about half of the screw 1 2 Attach the screw 1 to the base holder assy Key point Tighten it until the lock nut 1 hit the base holder assy Refer to 4 18 Adjustment Needle and presser foot front back position 1 Torque 0 39 0 49 N m 1 1 1 1 Set Screw Socket CP M4X12 3 Attachment of Z pulse motor 1 Attach the Z pulse motor 1 to the base holder assy with the 2 screws 1 2 Attach the ...

Страница 129: ...ssy Key point Check that the match mark 3 on the Z zigzag cam 1 Align the match mark 5 on the Z pulse motor gear 4 2 Attach the retaining ring E3 to the shaft 2 of the base holder assy Apply EPNOC AP N 0 to all of the sliding part of the Z zigzag cam pin Bead XC8387 Apply EPNOC AP N 0 to all of the Z zigzag cam Bead XC8387 Apply EPNOC AP N 0 to the teeth around the Z zigzag cam gear Bead XC8387 Re...

Страница 130: ...the base holder assy and then attach the retaining ring E4 Key point Check that the shaft 4 of the Z zigzag lever assy 3 is at the left of the Z zigzag cam 5 2 Attach the Z lever cap 6 to the Z zigzag lever assy 3 Apply EPNOC AP N 0 to the shaft of the base holder assy Bead XC8387 Apply EPNOC AP N 0 to the shaft of the Z zigzag lever Bead XC8387 1 2 Retaining ring E4 3 4 6 5 3 ...

Страница 131: ... 0 to the shaft of the base holder assy Small amount XC8387 S08 2 S08 Retaining ring CS4 1 S08 SPRING XC4904 5 0 8 Attachment of Presser bar 1 Insert the base holder assy the presser bar clamp 2 the spring 3 and the base holder assy from the bottom of the presser bar 1 and then tighten the screw 1 temporarily Key point Fully tighten the screw 1 after performing 4 14 Adjustment Presser bar height a...

Страница 132: ...r assy Small amount XC8387 Apply EPNOC AP N 0 to the operating surface of the presser bar lifter presser bar clamp Small amount XC8387 3 2 1 4 Retaining ring E4 10 Attachment of PF switch assy 1 Set the PF switch assy 1 to the presser switch holder 2 Key point Check that the boss part of the PF switch assy 1 align the positioning hole of the presser switch holder 2 2 Set the presser switch holder ...

Страница 133: ...lder shaft A 1 4 Attach the spring to the plate 4 and the needle bar supporter assy Key point Attach the hook side of the spring to the plate 4 Apply FBK OIL RO 100 to the needle holder shaft A 1 2 drops XC8388 1 Torque 0 59 0 78 N m 2 Torque 0 59 0 78 N m S09 2 1 3 1 2 5 4 4 S09 S09 Screw Bind M3X5 Set Screw Socket CP M3X5 SPRING X50476 23 4 12 Attachment of Z zigzag adjusting nut 1 Set the Z zig...

Страница 134: ... A 2 of the needle bar supporter assy 1 into the shaft bushing 3 of the base holder assy and then attach the needle bar supporter assy 1 to the base holder assy 2 Attach the spring to the needle bar supporter assy 1 and the shaft bushing 3 Key point Attach the long side of the hook of the spring to the shaft bushing 3 Attach the spring to the needle bar supporter assy 1 and the base holder assy S1...

Страница 135: ... holder block 1 is the upper side 2 Attach the shaft assy 3 to the needle holder block 1 and the base holder assy and then tighten the screw 1 temporarily Key point Fully tighten the screw 1 after performing 4 9 Adjustment Needle clearance left right Apply EPNOC AP N 0 to the needle roller Bead XC8387 Apply EPNOC AP N 0 to the shaft of the shaft assy Bead XC8387 1 Torque Hand start 2 1 1 3 1 Screw...

Страница 136: ...nt When the needle thread block 4 is viewed from the front it is secured in a position turned slightly counterclockwise Fully tighten the screw 2 after performing 4 11 Adjustment Needle bar height and 4 13 Adjustment Needle threader Lubricate the needle bar crank joint area with MOLYKOTE OILER 90 MOLYKOTE M DISPERSION 1 2 drops Apply EPNOC AP N 0 to the sliding pin part of the needle thread block ...

Страница 137: ...screw attachment face of the needle bar crank Small amount XC8387 1 Torque 1 18 1 57 N m 2 1 1 3 2 Screw Flat SM3 57L 18 Attachment of Thread take up lever link 1 Attach the retaining ring E5 to the take up support shaft 1 2 Set the base holder assy as shown in the right figure and then insert the take up support shaft 1 into the washer spring 2 the thread take up lever link 3 and the base holder ...

Страница 138: ...fer to 4 17 Adjustment BH lever switch position 1 Torque 1 18 1 57 N m 2 1 3 1 Screw Pan S P washer M4X8 20 Attachment of Lead wire assy ground 1 Set the lead wire assy ground 1 to the base holder assy with the screw 1 2 Bind the each lead wire with the 5 bands 2 1 Torque 1 18 1 57 N m 1 1 2 2 Screw Pan S P washer M4X8 21 Attachment of Thread slider guide 1 Set the thread slider guide 1 to the nee...

Страница 139: ...edle presser module 22 Attachment of Presser feed holder assy 1 Set the presser feed holder assy 1 to the presser bar 2 with the screw 1 2 Set the Z foot 3 to the presser feed holder assy 1 1 Torque 0 78 1 18 N m 2 1 1 3 Screw 3 57 ...

Страница 140: ...dle bar rising 4 10 Needle bar height 4 11 Clearance between needle and rotary hook point 4 12 Needle threader 4 13 Presser bar height and parallelism 4 14 Feed forward backward 4 15 Bobbin winder 4 16 BH lever switch position 4 17 Needle and presser foot front back position 4 18 Front back and left right position of feed dog 4 19 Feed dog height 4 20 Inner rotary hook bracket position 4 21 Inner ...

Страница 141: ...g Reverse reinforcement stitch button within one second four beeps sound and then test mode starts Key point In case of models not equipped with the buzzer beep does not sound 2 Mode selection Press Stitch selection keys and select pattern number mode 3 Starting and stopping test mode Press Start stop button In case of models not equipped with Start stop button press down and or release the foot c...

Страница 142: ...ight 4 11 Clearance between needle and rotary hook point 4 12 04 Switch Monitor When each switch was turned ON OFF the number displayed on the right side of LCD changes Presser switch BH lever switch BH switch Bobbin winder switch In case of models equipped with the buzzer One beep sounds when each switch was turned ON OFF BH lever switch position 4 17 05 Forward and Reverse Feed 100 stitches forw...

Страница 143: ... cover 2 Loosen the screw screw pan S P washer M4 x 8 of the tension pulley assy 3 Move tension pulley assy back and forth to adjust the belt deflection to 4 to 5 mm when pushing the center of the timing belt with a force of 1 96N 200g 4 Tighten the screw screw pan S P washer M4 x 8 of the tension pulley assy XC2277001 Push pull gauge 5N Screw pan S P washer M4 x 8 Tension pulley assy 4 5mm 1 96N ...

Страница 144: ...Remove the front cover 2 Remove the power supply unit 3 Loosen the 2 screws giza tite 5 x 16 of the motor holder 4 Move the motor holder up and down to adjust the belt deflection is 3 to 4 mm when pushing the center of the motor belt with a force of 0 98N 100g 5 Tighten the 2 screws giza tite 5 x 16 of the motor holder XC2277001 Push pull gauge 5N Motor holder 3 4mm Giza tite 5 x 16 0 98N 100g ...

Страница 145: ... thread guide plate assy tension disk in this order 5 Lower the presser lever 6 Pull the thread down slowly with the tension gauge and turn the thread tension adjusting gear with the hex wrench 3mm to adjust the thread tension to 0 32 to 0 37N 33 to 38g Key point Loosen the thread tension adjusting gear turn to the left Tension larger Tighten the thread tension adjusting gear turn to the right Ten...

Страница 146: ...mes to the needle plate A surface 6 Loosen the screw bolt socket M3 x 10 of the zigzag adjusting nut with the hex wrench 2 5mm 7 Turn the zigzag adjusting nut by finger to adjust the needle top drops in the right side of V groove on the needle plate A 8 Tighten the screw bolt socket M3 x 10 of the zigzag adjusting nut Key point Tighten it while fixing the zigzag adjusting nut by finger so that the...

Страница 147: ...h button and move the needle bar to the left base line then turn off the power 5 Remove the front cover 6 Turn the pulley by hand until the needle top comes to the needle plate A surface 7 Loosen the 2 screws giza tite 5 x 16 of the rotary hook unit 8 Move the rotary hook unit right and left to adjust the needle top drops in the right side of V groove on the needle plate A 9 Tighten the 2 screws g...

Страница 148: ...rop mode 4 Turn the pulley by hand until the needle aligns with the outer rotary hook point 5 Loosen the screw bolt socket M3 x 10 of the needle holder shaft block with the hex wrench 2 5mm 6 Move the needle holder shaft block to the left and right to adjust the clearance between the needle top and the outer rotary hook point is the same at the base line of both left and right 7 Tighten the screw ...

Страница 149: ...er 5 Turn the pulley by hand and move the needle bar to its lowest position 6 Remove the base cover 7 Loosen the 2 screws set screws socket CP M5 x 5 of the lower shaft pulley D with the hex wrench 2 5mm 8 Turn the pulley by hand and raise the needle bar 2 9 to 3 3 mm from its lowest position then turn the outer rotary hook by hand and align the right edge of the needle with the outer rotary hook ...

Страница 150: ... move the needle bar to the left base line then turn off the power 6 Turn the pulley by hand until the right edge of the needle aligns with the outer rotary hook point 7 Loosen the screw set screw socket FT M4 x 4 of the needle bar block with the hex wrench 2mm 8 Move the needle bar up and down to adjust the distance between the top edge of the needle eye and the bottom edge of the outer rotary ho...

Страница 151: ...abel 7 Loosen the fixing screw screw bind M3 x 25 of the adjusting screw 8 Turn the pulley by hand until the right edge of the needle aligns with the outer rotary hook point 9 Turning the adjusting screw with the box driver 7mm to adjust the clearance between the scarf of needle and the outer rotary hook point front back to 0 2mm or less on the left base line Key point Loosen the thread tension ad...

Страница 152: ...top edge of the needle eye to 0 to 0 1mm After that tighten the screw set screw socket FT M4 x 4 of the needle thread block Key point Tighten the screw set screw socket FT M4 x 4 at the position slightly to the left when viewed from the front of the machine Adjust it so that the top edge of the hook and the top edge of the needle eye is the same height NOTE In case the position of the screw set sc...

Страница 153: ...the screw screw stud M5 of the presser bar clamp assy with the hex wrench 2 5mm 5 Move the needle presser bar up and down to adjust the clearance between the needle plate A and the bottom surface of the presser foot to 6 0 to 6 5mm 6 Tighten the screw screw stud M5 of the presser bar clamp assy Key point Check the presser foot parallel with the feed dog hole of needle plate A after adjusting press...

Страница 154: ...r then 100 forward stitches and 100 reverse stitches starts without thread 6 Check the forward and backward feed length 7 Remove the base cover 8 Loosen the fixing screw screw 3 x 8 of the FPM holder assy with the hex wrench 2 5mm 9 Turn the screw bolt socket M4 x 25 of the FPM holder assy with the hex wrench 3mm to adjust that the forward feed length is 0 to 10mm longer than the backward feed len...

Страница 155: ...pper side move the thread guide assy down When the uneven bobbin winding is lower side move the thread guide assy up 4 Loosen the screw screw pan S P washer M3 x 20 of the bobbin presser 5 Turn the bobbin presser left and right to adjust the winding quantity 6 Tighten the screw screw pan S P washer M3 x 20 of the bobbin presser Key point The target for the bobbin winding quantity is filling 80 to ...

Страница 156: ...t the test mode and select the pattern number 04 Switch monitor mode 8 Rotate the BH lever eccentric shaft in a counterclockwise to adjust the number displayed on the right side of LCD to 00 9 Rotate the BH lever eccentric shaft in a clockwise to adjust the number displayed on LCD to 08 from 00 Fig 2 In case of models equipped with the buzzer adjust it at the position where the buzzer begins to so...

Страница 157: ... socket CP M4 x 12 with the hex wrench 2mm to adjust the needle top to the center position front back of the presser foot hole Key point If loosen the screw set screw socket CP M4 x 12 drastically the fixing lock nut may be loosen When the lock nut is loosen remove the needle bar presser unit and tighten the lock nut then tighten the screw set screw socket CP M4 x 12 NOTE Need to adjust 4 12 Clear...

Страница 158: ...the pulley by hand to set the feed length to 0 mm Check that the mark on the feed adjusting gear alignes with the mark on the F pulse motor gear 6 Loosen the 2 screws screw bind M3 x 6 of the feed dog temporarily attach the needle plate A to adjust the front back and left right position of the feed dog Key point Adjust the clearance front back between the forward edge of the feed dog middle tooth ...

Страница 159: ... the hex wrench 2 5mm to adjust the feed dog height from the needle plate A surface to 0 9 to 1 1mm 5 Tighten the M5 nut Do not turn the vertical adjuster screw assy 6 When the feed dog is its lowest position check that the feed dog is 0 3mm or more below the upper surface of the needle plate A NOTE When the feed dog is too high low abnormal noise feed problems may happen XC2278001 Feed dog height...

Страница 160: ... 2 Set the inner rotary hook assy in the outer rotary hook 3 Loosen the screw screw pan S P washer M3 x 8 of the inner rotary hook bracket assy 4 Move the inner rotary hook bracket assy back and forth to adjust the clearance overlap between the inner rotary hook point and the bracket spring to 2 3 to 2 5mm 5 Tighten the screw screw pan S P washer M3 x 8 of the inner rotary hook bracket assy 2 3 2 ...

Страница 161: ...bin the schappe spun thread 60 in the inner rotary hook assy and pass the thread 2 Pull the thread with the tension gauge and turn the spring adjusting screw to adjust the tension to 0 1 to 0 12N 10 to 12g 3 After adjustment apply a small amount of the thread locker to the spring adjusting screw XA9153001 Tension gauge 30 0 3N 0 1 0 12mm 10 12g Schappe spun thread 60 Sprig adjusting screw ...

Страница 162: ...lse motor does not return to initial position 5 8 Pattern cannot be selected 5 9 Main motor does not rotate 5 10 Main motor rotation is not normal 5 12 Pattern cannot be sewn correctly 5 13 Button hole cannot be sewn correctly 5 14 Operation button does not work 5 15 Does not operate when the foot controller is used 5 16 Bobbin thread cannot be wound on the bobbin 5 17 LED lamp does not light 5 18...

Страница 163: ...Rotation failure in main motor F2 5 3 Button pressed continually with power ON Operation switch F3 5 4 Key pressed continually with power ON Setting mode switch F4 5 4 Foot controller disconnection F5 5 5 Dirty speed sensor F7 5 5 Speed VR disconnection F8 5 6 Power supply failure F9 5 6 EEPROM failure ...

Страница 164: ...t stitch button Does the motor correctly rotate after turning off and on the power N Replace the SSVR PCB assy or Replace the main PCB assy N Y OK F1 is displayed Y Release the button that is stuck F2 is displayed Is one of the start stop button reverse reinforcement stitch button and needle position button stuck in a pressed down condition In the case of models not equipped with the start stop bu...

Страница 165: ...adjustment key and stitch width adjustment key stuck in a pressed down condition N Y Release the key that is stuck F3 is displayed Replace the foot controller jack assy Is the lead wire of the foot controller jack assy free from damage Y N Connect it correctly Is the foot controller jack assy connected to the main PCB assy CN4 correctly N Y Replace the main PCB assy F4 is displayed ...

Страница 166: ...is displayed Attach the main PCB assy correctly Is the main PCB assy attached correctly N Y Clean the timing shutter Is the timing shutter of the upper shaft dirty N Y Replace the main PCB assy F5 is displayed Replace the SSVR PCB assy or Replace the main PCB assy F7 is displayed ...

Страница 167: ...e the power supply PCB assy When the power lead wire assy is disconnected from the power supply PCB assy connector CN201 is the voltage between pin 2 and 3 4 and 3 normal Between pin 2 and 3 5V DC Between pin 4 and 3 30V DC N Y Replace the main PCB assy Y Replace the main PCB assy F8 is displayed ...

Страница 168: ...N Is the power supply cord free from damage and connected correctly Y N Y Y N Replace the power supply PCB assy Replace the power lead wire assy N Is the resistance between pin 1 and 1 2 and 2 3 and 3 4 and 4 5 and 5 at the power lead wire assy 1Ω or less When the inlet assy connector is disconnected from the power supply PCB assy and the power is turned on is the voltage between pins 120V AC When...

Страница 169: ... resistance between pin 1 and 2 3 and 4 on the pulse motor connector 6 7 7 7Ω N Replace the ZPM lead wire assy Replace the pulse motor N Y When the Z pulse motor does not return to it s initial position is the resistance between pin 1 and 4 2 and 3 3 and 2 4 and 1 at the ZPM lead wire assy 1Ω or less Y Replace the FPM lead wire assy When the F pulse motor does not return to it s initial position i...

Страница 170: ...5 9 Electronic Parts Failure Investigation for Electronic Parts Pattern cannot be selected Pattern cannot be selected Replace the operation PCB assy or Replace the main PCB assy ...

Страница 171: ...ly Is the power lead wire assy free from damage and connected to the main PCB assy and power supply PCB assy correctly Replace the main motor N When press the start stop button reverse reinforcement stitch button and needle position button does the buzzer sound Is E6 displayed In case of models not equipped with the start stop button When press the reverse reinforcement stitch button is E6 display...

Страница 172: ...y From previous page Replace the main PCB assy or Replace the power supply PCB assy or Replace the main motor Is the resistance value of the PF switch assy normal Switch pressed 1Ω or less Switch released more than 1MΩ In case of abnormal when press the start stop button or press down the foot controller E1 is displayed Is the presser lever down Y ...

Страница 173: ...nnected to the power supply PCB assy CN401 correctly Is the power lead wire assy connector connected to the power supply PCB assy CN201 and the main PCB assy CN5 correctly N Replace the SSVR PCB assy When the speed control lever is moved with the power ON does the voltage between pin 4 and 5 of CN1 on the SSVR PCB assy 0 7 4 2V DC N Y Attach the main PCB assy correctly N Y Y Replace the main PCB a...

Страница 174: ...he power OFF can you move the needle bar to the left and right by hand lightly N Attach the main PCB assy correctly Is the resistance between pin 1 and 2 3 and 4 on the Z and F pulse motor connector 6 7 7 7Ω N Connect it correctly Is the Z pulse motor connector connected to the main PCB assy CN8 correctly Is the F pulse motor connector connected to the main PCB assy CN10 correctly Is the main PCB ...

Страница 175: ...1 and 2 1Ω or less pin 2 and 3 more than 1MΩ BH lever pushed back Pin 1 and 2 more than 1MΩ pin 2 and 3 1Ω or less Attach the appropriate presser foot N N Replace the main PCB assy Y Y Y N Adjust the BH lever or Replace the BH switch assy Adjust the BH lever or Replace the BH switch assy Is the resistance between pin 4 and 5 on the BH lever switch connector normal BH lever down 1Ω or less BH lever...

Страница 176: ... the resistance for the start stop button reverse reinforcement stitch button and needle position button normal In case of models not equipped with the start stop button Is the resistance for the reverse reinforcement stitch button normal Switch depressed 1Ω or less Switch released more than 1MΩ N N Y Y Replace the main PCB assy Is the main PCB assy attached correctly Is the BW switch OFF ...

Страница 177: ...ween pin 2 and 3 on the foot controller jack assy connector normal Foot controller disconnected 1Ω or less Foot controller connected more than 1MΩ Y Replace the foot controller or Replace the foot controller jack assy N Y When the foot controller is connected and press down the foot controller does the resistance between pin 1 and 3 on the foot controller jack assy connector 1K 51KΩ Replace the ma...

Страница 178: ...ot be wound on the bobbin Bobbin thread cannot be wound on the bobbin Attach the bobbin winder assy correctly N Y Is the bobbin winder assy attached correctly Attach the main PCB assy correctly N Y Replace the main PCB assy Is the main PCB assy attached correctly Is the BW switch OFF ...

Страница 179: ...f models equipped with the LCD back light is the LCD back light PCB assy lead wire connected to the operation PCB assy correctly Replace the power supply PCB assy N Is the voltage between pin 4 and 3 at the power supply PCB assy connector 30V DC Connect it correctly N Are the main PCB assy and the operation PCB assy connected correctly Replace the LED lamp assy or Replace the operation PCB assy or...

Страница 180: ...normal Y N Connect it correctly Replace the LCD single light guide assy or Replace the operation PCB assy or Replace the main PCB assy Is the FPC of the LCD connected to the operation PCB assy correctly Y N Connect it correctly Are the main PCB assy and the operation PCB assy connected correctly ...

Страница 181: ...DC Between pin 3 and 4 30V DC N Y Replace the power supply PCB assy Y Replace the main PCB assy N Replace the power lead wire assy Is the resistance between pin 1 and 1 2 and 2 3 and 3 4 and 4 5 and 5 at the power lead wire assy 1Ω or less When the power is turned on or the pattern is selected the buzzer does not sound In case of the models not equipped with the start stop button the buzzer does n...

Страница 182: ...6 1 6 Special Instructions of Wiring Needle bar Presser module wiring 6 2 Power supply unit wiring 6 6 Front cover wiring 6 9 ...

Страница 183: ... of Wiring Needle bar Presser module wiring 1 Wiring of BH switch assy Hang the lead wires on the hooks Pass a band through the hole of base holder and secure the lead wires with the band Hang the ground lead wire on the hooks ...

Страница 184: ...ng 2 Wiring on upper side of needle bar presser module Pass a band through the hole of base holder and secure the lead wires with the band All lead wires should pass back side of the module Secure the lead wires to depressed portion of presser switch holder with the band Cut end should face front ...

Страница 185: ...ructions of Wiring Needle bar Presser module wiring 3 Wiring on front side of needle bar presser module 4 Wiring on left upper side of main PCB assy Lead wires should pass under the ribs Hang the lead wires on the hook ...

Страница 186: ...ecial Instructions of Wiring Needle bar Presser module wiring 5 Wiring on right upper side of main PCB assy 6 Wiring on front side of main PCB assy Hang the ground lead wire on the hooks Secure the ground lead wire terminal in the downward ...

Страница 187: ...of Wiring Power supply unit wiring 1 Wiring of foot controller jack assy 2 Wiring on lower side of power supply unit Pass the lead wires of foot controller jack assy between the main motor and cover Surely insert the connector ...

Страница 188: ...ions of Wiring Special Instructions of Wiring Power supply unit wiring 3 Wiring on upper side of power supply unit 4 Wiring on left side of power supply unit Hang the lead wires on the hook Hang the lead wires on the hooks ...

Страница 189: ...er supply unit wiring 5 Wiring of power supply unit and main PCB assy Wind the lead wires around the rib once Hang the lead wires on the hooks Hang the ferrite core that is passed the lead wires on the hook Hang the lead wires on the hooks ...

Страница 190: ...6 9 Special Instructions of Wiring Special Instructions of Wiring Front cover wiring 1 Wiring of LED lamp assy ...

Страница 191: ...ring Front cover wiring 2 Wiring of operation PCB assy 2 1 In case of Square shape model Connector of LED lamp Connector of LCD backlight Models equipped with LCD backlight Connector of LED lamp Models not equipped with LCD backlight ...

Страница 192: ...ctions of Wiring Front cover wiring 2 2 In case of Square shape model Secure the lead wires with a band Pass the lead wires throughthe groove of the rib Mounted with LCD backlight model only A Rib Secure the lead wires with a band at the rib section A ...

Страница 193: ...structions of Wiring Front cover wiring 2 3 In case of Curvy shape model Connector of LED lamp Connector of LCD backlight Models equipped with LCD backlight Connector of LED lamp Models not equipped with LCD backlight ...

Страница 194: ...ing Front cover wiring 2 4 In case of Curvy shape model B A Secure the lead wires with the bands Mounted with LCD backlight model only A B Secure the lead wires with a band at the base of the rib section Secure the lead wires with a band at the rib section Rib Rib ...

Страница 195: ...6 14 Special Instructions of Wiring Front cover wiring 3 Wiring of front cover and main PCB Hang the front cover lead wires on the hooks Rear cover Front cover ...

Страница 196: ......

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