Brother AE2700 Скачать руководство пользователя страница 155 | Manualshive

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In

spection and Adjustment

In

spection and Adjustment

4 - 2

Preparation

Removal of covers

1. Turn off the power switch, and then disconnect the plug of the foot controller from the electrical outlet.
2. Disconnect the 3-pin connector of the foot controller from the 3P socket of the machine.
3. Remove the accessory table.
4. Remove the screw on the rear side of the machine, and then remove the face plate.
5. Remove the pattern selection dial.
6. Remove the screw

1

and the 2 screws

2

on the rear side of the machine.

7. Remove the 2 screws

3

on the bottom side of the machine.

8. Release the 3 hooks of the front cover from the rear cover by pushing the position “A” and the position “B” on

the rear cover.

*Key point

• There are 3 hooks on the front cover. (Refer to the following figure.)

9. Disconnect the connector of the LED lamp lead wire on the bottom side of the front cover from the power

supply PCB.

10. Remove the front cover.

<To next page>

This sewing machine stands up for oneself in the state that the front cover and rear cover are removed.
There are feasible adjustments without covers, but recommend that adjust after removing the front cover and rear cover
basically.

1

3

2

Taptite, Bind P

M3X16

Screw, Pan (S/P washer)

M

4X10DB

Taptite, Cup P

M

4X20

Hooks

Front cover

3

Position "B"

Right side view

Bottom side view

LED lamp lead wire

Power supply PCB

2

2

1

Back side view

Back side view

Rear cover

Rear cover

Hook

Position "A"

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157
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Содержание AE2700

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Страница 4: ...sy 2 13 Zigzag mechanism 2 14 Removal of Z dial assy 2 15 Removal of Zigzag connecting rod assy 2 15 Removal of Zigzag link holder assy 2 16 Feed control mechanism 2 17 Removal of Reverse sewing lever A 2 18 Removal of Reverse sewing lever B assy 2 19 Removal of Lever holder assy 2 19 Removal of Feed bracket assy 2 20 Buttonhole and Pattern selecting mechanism 2 21 Removal of BH adjusting plate 2 ...

Страница 5: ...tachment of Feed adjuster assy 2 49 Attachment of Tension pulley assy 2 49 Main motor unit 2 50 Attachment of Lower shaft plate 2 51 Attachment of Motor 3P supply assy 2 51 Main frame and Covers 2 53 Attachment of Rear cover assy 2 54 Attachment of Front cover assy 2 55 Attachment of Pattern selecting dial 2 56 Attachment of Face plate assy 2 56 Attachment of Accessory table 2 56 3 Application of ...

Страница 6: ... assy 3 22 Removal of Thread guard supporter assy 3 23 Zigzag mechanism 3 24 Disassembly of Z dial assy 3 25 Feed control mechanism 3 26 Disassembly of Lever holder assy 3 27 Disassembly of Feed bracket sub assy 3 28 Buttonhole and Pattern selecting mechanism 3 29 Disassembly of BH stopper assy 3 30 Removal of Hexagon M4x40 5 3 30 Upper shaft Needle bar and Presser foot unit 3 31 Disassembly of Up...

Страница 7: ...sy 3 50 Assembly of Upper shaft assy 3 50 Buttonhole and Pattern selecting mechanism 3 51 Attachment of Hexagon M4x40 5 3 52 Assembly of BH stopper assy 3 52 Feed control mechanism 3 53 Assembly of Feed bracket sub assy 3 54 Assembly of Lever holder assy 3 55 Zigzag mechanism 3 56 Assembly of Z dial assy 3 57 Needle threading mechanism 3 58 Attachment of Thread guard supporter assy 3 59 Assembly o...

Страница 8: ...80 Attachment of LED lamp supply assy 3 80 Assembly of Face plate assy 3 81 4 Adjustment 4 1 Removal of covers 4 2 Needle point damage 4 4 Timing belt tension 4 5 Motor belt tension 4 6 Needle bar supporter stopper L position 4 8 Needle bar supporter stopper R position 4 9 Needle swing timing 4 10 Three point needle drop 4 13 Left and right needle clearance 4 14 Right needle drop position zigzag s...

Страница 9: ...ngth 4 35 BH stitch bar tack feed distance 4 37 BH sewing length 4 39 Bobbin winder 4 41 Needle threader 4 42 Lower thread tension 4 44 5 Failure Investigation for Electronic Parts 5 1 Sewing lamp does not light 5 2 Main motor does not turn or Rotation speed is slow 5 3 6 Special Instructions of Wiring 6 1 Motor 3P supply assy 6 2 LED lamp 6 4 ...

Страница 10: ...1 1 1 Main mechanisms 1 2 Driveline 1 3 Positions of electronic components 1 6 Control system block diagram 1 7 Outline of Mechanism ...

Страница 11: ...er mechanism Zigzag mechanism Feed control mechanism Front Side View Back Side View Horizontal feed mechanism Pattern selecting mechanism Lower shaft mechanism Upper shaft mechanism Feed Rotary hook mechanism Needle threading mechanism Needle presser mechanism Thread guide mechanism BH mechanism ...

Страница 12: ...or Motor belt Needle Needle bar supporter Needle bar crank Z finger frame Needle bar Thread take up counter weight Zigzag connecting rod Needle bar block Needle bar block shaft Needle bar crank rod Z finger Needle bar crank rod Needle bar block shaft Needle bar supporter Needle bar crank Z finger frame Thread take up counter weight Upper shaft Pulley Needle bar block Needle bar Worm gear Needle Ti...

Страница 13: ...pulley Motor belt Main motor Feed adjusting shaft Feed adjuster Timing pulley D Lower shaft Lower shaft gear Feed cam Feed arm B C Timing pulley Upper shaft pulley Pulley Worm gear Timing pulley D V feed attachment Lower shaft Feed cam Lower shaft gear Main motor Timing belt Motor belt Feed adjusting cam SS cam Reverse sewing lever Connecting rod Feed connecting lever Upper shaft Feed adjusting sh...

Страница 14: ... Movement of automatic 1 step BH mechanism BH lever holder BH change arm BH stopper BH cam BHF finger BH lever BH foot BH connecting shaft BHZ finger BH connecting shaft BHF finger BHZ finger Z finger frame A B BH cam BH stopper BH change arm BH lever holder BH lever BH foot 3 3 ...

Страница 15: ...1 6 Outline of Mechanism Outline of Mechanism Outline of Mechanism Positions of electronic components Main motor 3pin socket Power supply PCB Sewing lamp LED Power SW ...

Страница 16: ...anism Outline of Mechanism Outline of Mechanism Control system block diagram SEWING MACHINE In the 3pin socket Main motor Foot controller plug 3pin AC Foot controller 3pin socket Power SW Power supply PCB Sewing lamp LED ...

Страница 17: ...ading mechanism 2 12 Zigzag mechanism 2 14 Feed control mechanism 2 17 Buttonhole and Pattern selecting mechanism 2 21 Upper shaft Needle bar and Presser foot unit 2 25 Assembly Upper shaft Needle bar and Presser foot unit 2 28 Buttonhole and Pattern selecting mechanism 2 31 Feed control mechanism 2 36 Zigzag mechanism 2 40 Needle threading mechanism 2 44 Feed unit 2 46 Main motor unit 2 50 Main f...

Страница 18: ...2 2 Main frame and Covers Basic Basic Main frame and Covers location diagram BasicofDisassembly ...

Страница 19: ...Removal of Accessory table 1 Remove the accessory table 1 1 2 Removal of Face plate assy 1 Remove the screw 1 and then remove the face plate assy 1 Refer to 3 3 of the Disassembly 1 1 3 Removal of Pattern selecting dial 1 Pull out the pattern selecting dial 1 1 ...

Страница 20: ...embly Basic Basic 4 Removal of Front cover assy 1 Remove the 2 screws 1 the screw 2 and the 2 screws 3 2 Release the 3 hooks 1 to remove the front cover assy 2 and then disconnect the connector 3 Refer to 3 4 of the Disassembly 1 1 2 2 3 2 3 ...

Страница 21: ...assembly Main frame and Covers Basic Basic 5 Removal of Rear cover assy 1 Pull down the presser foot lifter 1 2 Remove the 3 screws 1 and then remove the rear cover assy 2 Refer to 3 5 of the Disassembly 1 1 1 1 2 1 ...

Страница 22: ...2 6 Main motor unit Basic Basic Main motor unit location diagram 220 to 240V 120V BasicofDisassembly ...

Страница 23: ...e 2 screws 2 and then remove the motor assy 4 of the motor 3P supply assy Key point Be careful not to damage the fins of the motor T pulley 3 Be careful not to pull the harness of the motor assy 4 by force 3 Remove the 2 screws 3 and then remove the 3P socket unit 5 of the motor 3P supply assy In case of 220 to 240V specification refer to next page Refer to 3 7 of the Disassembly 1 4 2 3 2 4 1 5 3...

Страница 24: ...y assy Key point Be careful not to damage the fins of the motor T pulley 3 Be careful not to pull the harness of the motor assy 4 by force 3 Remove the 2 screws 2 and then remove the 3P socket unit 5 of the motor 3P supply assy In case of 120V specification refer to previous page Refer to 3 7 of the Disassembly 5 2 1 4 1 3 2 5 4 2 Removal of Lower shaft plate 1 Remove the 2 screws 1 and then remov...

Страница 25: ...2 9 Feed unit Basic Basic Feed unit location diagram Plastic Model Metal Model BasicofDisassembly ...

Страница 26: ...hen remove the tension pulley assy 1 1 1 2 Removal of Feed adjuster assy 1 Remove the retaining ring E4 1 and then remove the connecting rod D 2 from the shaft 3 of the feed connecting lever assy 4 2 Remove the 2 screws 1 and then remove the feed adjuster assy 5 Refer to 3 9 of the Disassembly 3 1 5 1 2 4 ...

Страница 27: ...y Feed unit Basic Basic 3 Removal of Feed module 1 Remove the screw 1 and then remove the bushing presser 1 2 Remove the screw 2 and the 2 screws 3 and then remove the feed module 2 Refer to 3 9 of the Disassembly 3 2 1 1 2 ...

Страница 28: ...2 12 Needle threading mechanism Basic Basic Needle threading mechanism location diagram BasicofDisassembly ...

Страница 29: ...ead guard assy Type A 1 Remove the screw 1 and the screw 2 and then remove the reverse lever supporter 1 and the thread guard assy 2 Refer to 3 20 of the Disassembly 2 1 2 1 Type B 1 Remove the 2 screws 1 and then remove the thread guard assy 1 Refer to 3 20 of the Disassembly 1 1 ...

Страница 30: ...2 14 Zigzag mechanism Basic Basic Zigzag mechanism location diagram BasicofDisassembly ...

Страница 31: ...emove the screw 1 and the screw 2 and then remove the Z dial assy 4 Refer to 3 25 of the Disassembly 2 2 4 1 1 3 2 Removal of Zigzag connecting rod assy 1 Remove the screw 1 and then remove the zigzag adjusting nut 1 2 Remove the shaft 2 of the zigzag connecting rod assy 3 from the positioning hole 4 of the zigzag link holder assy 5 and then remove it 3 1 1 2 5 4 3 3 ...

Страница 32: ...embly Basic Basic 3 Removal of Zigzag link holder assy 1 Remove the screw 1 and then remove the zigzag adjusting nut 1 2 Remove the 2 screws 2 and then remove the zigzag link holder assy 2 from the pattern selecting unit assy 3 1 1 2 2 3 ...

Страница 33: ...2 17 Feed control mechanism Basic Basic Feed control mechanism location diagram BasicofDisassembly ...

Страница 34: ...rse sewing button 1 2 Remove the retaining ring E4 2 from the shaft of the lever holder sub assy 3 3 Remove the reverse sewing lever A 4 4 3 2 4 1 3 Type B 1 Remove the reverse sewing button 1 2 Remove the retaining ring E4 2 from the shaft of the lever holder sub assy 3 3 Remove the reverse sewing lever A 4 4 3 2 4 1 3 ...

Страница 35: ...ver B assy 1 and the feed bracket sub assy 2 2 Remove the reverse sewing lever B assy 1 from the arm bed 1 2 S01 1 2 S01 S01 3 Removal of Lever holder assy 1 Remove the spring from the connecting rod U 1 and the feed bracket sub assy 2 2 Remove the 2 screws 1 and then remove the lever holder assy 3 Refer to 3 27 of the Disassembly 3 1 1 S02 2 S02 ...

Страница 36: ... Feed bracket assy 1 Remove the 2 screws 1 and then remove the feed bracket support plate 1 2 Remove the screw 2 and then remove the feed bracket assy 2 Key point Turn the dial 3 to align the hole 4 of the dial with the screw 2 Refer to 3 28 of the Disassembly 1 2 1 4 3 2 ...

Страница 37: ...2 21 Buttonhole and Pattern selecting mechanism Basic Basic Buttonhole and Pattern selecting mechanism location diagram There is a model without the retaining ring BasicofDisassembly ...

Страница 38: ...lecting mechanism BasicofDisassembly Basic Basic 1 Removal of BH adjusting plate 1 Remove the spring from the BH change arm 1 and the BH adjusting plate 2 2 Remove the screw 1 and then remove the BH adjusting plate 2 1 S03 2 1 2 S03 ...

Страница 39: ...ining ring E2 5 1 from the BH connecting shaft 2 Key point There is a model without the retaining ring 2 Remove the screw 1 and then pull out the BH connecting shaft 2 3 Remove the retaining ring E2 5 3 and the washer plain M3 5 4 from the BH connecting shaft 2 Key point There is a model without the retaining ring 1 1 2 2 2 4 3 2 ...

Страница 40: ...c Basic 3 Removal of BH stopper assy 1 Remove the screw 1 and then remove the BH stopper assy 1 Refer to 3 30 of the Disassembly 1 1 1 4 Removal of Pattern selecting unit assy 1 Remove the screw 1 and the 2 screws 2 and then remove the pattern selecting unit assy 1 1 1 2 1 ...

Страница 41: ...2 25 Upper shaft Needle bar and Presser foot unit Basic Basic Upper shaft Needle bar and Presser foot unit location diagram BasicofDisassembly ...

Страница 42: ...sy 1 Remove the screw 1 2 Remove the 2 screws 2 and then remove the 2 bushing pressers 1 3 Remove the upper shaft assy 2 4 Remove the timing belt 3 from the upper shaft assy 2 Refer to 3 32 of the Disassembly 1 2 2 1 1 2 3 2 Removal of Stopper plate 1 Remove the screw 1 and then remove the stopper plate 1 1 1 ...

Страница 43: ...y Upper shaft Needle bar and Presser foot unit Basic Basic 3 Removal of Needle presser module 1 Remove the screw 1 2 Remove the 2 screws 2 and then remove the needle presser module 1 Refer to 3 32 of the Disassembly 1 1 2 2 ...

Страница 44: ...2 28 Upper shaft Needle bar and Presser foot unit Basic Basic Upper shaft Needle bar and Presser foot unit location diagram BasicofAssembly ...

Страница 45: ...r module 2 to the 2 positioning grooves of the arm bed and secure them with the 2 screws 1 2 Tighten the screw 2 to the back side of the arm bed Refer to 3 42 of the Assembly 1 2 2 1 1 1 1 2 Taptite Cup S M4X16 Cup screw M3X20 2 Attachment of Stopper plate 1 Attach the stopper plate 1 to the back side of the arm bed with the screw 1 1 1 1 Screw Bind M4X8 ...

Страница 46: ...e screw hole on the thread take up counter weight 3 and then tighten the screw 1 5 Set the 2 bushing pressers 8 to the arm bed and then secure them with the 2 screws 2 Refer to 3 50 of the Assembly Apply FBK OIL RO 100 to the matching section of the upper shaft and the lower shaft bushing 5 2 drops Apply FBK OIL RO 100 to the left and right end of the lower shaft bushing 6 2 drops Apply FBK OIL RO...

Страница 47: ...2 31 Buttonhole and Pattern selecting mechanism Basic Basic Buttonhole and Pattern selecting mechanism location diagram There is a model without the retaining ring BasicofAssembly ...

Страница 48: ...ews 2 Key point Tighten the screw 1 temporarily fully tighten the 2 screws 2 and fully tighten the screw 1 in this order Check that insert the shaft 2 of the pattern selecting unit assy 1 into the positioning hole of the back side of the arm bed Check that there is the Z link connecting rod 3 of the pattern selecting unit assy 1 at the left side of the screw hexagon 4 1 2 1 1 4 3 2 1 2 Screw Bind ...

Страница 49: ... 2 Attachment of BH stopper assy 1 Set the BH stopper assy 1 to the arm bed and then secure it with the screw 1 Key point Check that align the positioning hole of the arm bed with the boss of the BH stopper assy 1 Refer to 3 52 of the Assembly 1 1 1 1 1 1 Taptite Bind S M4X10 ...

Страница 50: ...aft 2 into the washer plain M3 5 3 the BH lever holder 4 the base holder assy 5 the arm bed the BH change arm 6 and the BH stopper holder assy 7 and then tighten the screw 1 Key point Check that hang the hook part 8 of the BH connecting shaft 2 on the notch part of the BH lever holder 4 3 Attach the retaining ring E2 5 9 to the BH connecting shaft 2 Key point There is a model without the retaining...

Страница 51: ...Set the BH adjusting plate 1 to the arm bed and then tighten the screw 1 temporarily Key point Fully tighten the screw 1 after performing 4 34 Adjustment BH lever switch load 2 Set the spring to the BH change arm 2 and the BH adjusting plate 1 1 S03 1 1 1 S03 2 S03 Screw Pan S P washer M4X8DA BH SPRING XE9700 7 5 ...

Страница 52: ...2 36 Feed control mechanism Basic Basic Feed control mechanism location diagram BasicofAssembly ...

Страница 53: ... gear 4 with the mark 5 of the feed adjusting cam 6 Fully tighten the screw 1 after performing 2 43 Attachment of Z dial assy 2 Set the positioning hole of the feed bracket support plate 7 to the boss 8 of the idle gear 4 and then secure them to the back side of the arm bed with the 2 screws 2 Refer to 3 54 of the Assembly Lubricate the EPNOC AP N 0 to the circumference 4 locations of the idle gea...

Страница 54: ... bracket sub assy 5 and the connecting rod U 6 Refer to 3 55 of the Assembly Lubricate the EPNOC AP N 0 to the shaft of the lever holder assy 1 3mm dia ball 1 2 S02 3 6 2 4 1 1 6 S02 5 2 S02 Taptite Bind S M4X10 7 30 2 SPRING EXTENSION C XE9262 3 Attachment of Reverse sewing lever B assy 1 Insert the shaft 1 of the reverse sewing lever B assy 2 to the positioning hole of the arm bed 2 Attach the s...

Страница 55: ...ing button 7 to the reverse sewing lever A 1 Lubricate the EPNOC AP N 0 to the shaft of the lever holder sub assy 2 3mm dia ball 1 7 2 3 5 4 1 2 6 3 Type B 1 Set the reverse sewing lever A 1 to the shaft of the lever holder sub assy 2 while pushing down the reverse sewing lever B assy 3 Key point Check that there is the reverse sewing lever A 1 below the shaft of the reverse sewing lever B assy 3 ...

Страница 56: ...2 40 Zigzag mechanism Basic Basic Zigzag mechanism location diagram BasicofAssembly ...

Страница 57: ...e screw 2 and fully tighten the screw 1 in this order 2 Set the zigzag adjusting nut 3 to the Z link connecting rod 4 of the pattern selecting unit assy 2 and set them to the zigzag link holder assy 1 and then tighten the screw 3 temporarily Key point Check that place the zigzag adjusting nut 3 with the larger end facing the top side Check that there is the hook 5 of the spring at the right side o...

Страница 58: ... adjusting nut 5 to the zigzag connecting rod assy 2 and set them to the needle bar supporter assy 6 and then tighten the screw 1 temporarily Key point Check that place the zigzag adjusting nut 5 with the larger end facing the top side Fully tighten the screw 1 after performing 4 13 Adjustment Three point needle drop Lubricate the EPNOC AP N 0 to the groove 2 places of the shaft 1 of the zigzag co...

Страница 59: ...w 1 and the screw 2 2 Tighten the screw 3 3 Set the Z dial connecting rod 2 to the shaft of the zigzag connecting rod assy 3 and then attach the retaining ring E2 4 Refer to 3 57 of the Assembly Lubricate the EPNOC AP N 0 to the shaft of the zigzag connecting rod assy 3 3mm dia ball 1 2 3 2 3 1 4 3 2 1 Taptite Bind S M4X10 Screw Pan S P washer M4X12 ...

Страница 60: ...2 44 Needle threading mechanism Basic Basic Needle threading mechanism location diagram BasicofAssembly ...

Страница 61: ...porter 3 to the thread guard assy 1 and then secure them to the arm bed with the screw 2 Key point Check that align the boss of the thread guard assy 1 with the positioning hole of the reverse lever supporter 3 Refer to 3 59 of the Assembly 1 2 1 1 2 2 3 1 Screw Pan S P washer M3X6DB Taptite Bind S M4X10 Type B 1 Set the thread guard assy 1 to the arm bed and then tighten the 2 screws 1 Refer to 3...

Страница 62: ...2 46 Feed unit Basic Basic Feed unit location diagram Plastic Model Metal Model BasicofAssembly ...

Страница 63: ...e the feed arm assy 6 contact the feed arm supporter 7 Key point The feed arm assy 6 is perpendicular to the lower shaft 4 Slide the set screw collar 8 to the side of the feed stand assy 5 and then tighten the screw 4 in the state of that the clearance is 0 mm 5 Slide the set screw collar 9 to the side of the feed stand assy 5 and then tighten the screw 5 in the state of that the clearance is 0 2 ...

Страница 64: ...y 2 frontward by rotating the pulley of the upper shaft assy 3 set the mark 4 of the outer rotary hook assy 5 frontward by rotating the lower shaft assy 6 and set the feed cam 7 with the larger end facing backward and then tighten the 2 screws 1 of the timing pulley D 8 1 Hex wrench 2 5mm 5 8 2 5 4 3 1 1 8 6 Rear 7 Set Screw Socket FT M5X5 ...

Страница 65: ...sy 2 so that facing directly frontward and set the arm part 7 of the feed connecting lever assy 5 so that facing directly frontward 3 Set the hole of the connecting rod D 8 to the shaft 9 of the feed connecting lever assy 5 and then attach the retaining ring E4 0 Refer to 3 75 of the Assembly Lubricate the EPNOC AP N 0 to the shaft 9 of the feed connecting lever assy 5 3mm dia ball 1 2 3 4 2 1 2 3...

Страница 66: ...2 50 Main motor unit Basic Basic Main motor unit location diagram 220 to 240V 120V BasicofAssembly ...

Страница 67: ...nd then secure it with the 2 screws 1 2 Set the motor assy 2 of the motor 3P supply assy to the front side of the arm bed and then tighten the 2 screws 2 and the screw 3 temporarily Key point Fully tighten the 2 screws 2 and the screw 3 after performing 4 6 Adjustment Motor belt tension 3 Hang the timing belt 3 on the motor T pulley 4 and the T pulley 5 In case of 220 to 240V specification refer t...

Страница 68: ...or assy 2 of the motor 3P supply assy to the front side of the arm bed and then tighten the 2 screws 2 temporarily Key point Fully tighten the 2 screws 2 after performing 4 6 Adjustment Motor belt tension 3 Hang the timing belt 3 on the motor T pulley 4 and the T pulley 5 In case of 120V specification refer to previous page Refer to 3 77 of the Assembly 1 2 1 1 3 2 2 4 5 Taptite Cup P M4X20 BOLT S...

Страница 69: ...2 53 Main frame and Covers Basic Basic Main frame and Covers location diagram BasicofAssembly ...

Страница 70: ...fAssembly Basic Basic 1 Attachment of Rear cover assy 1 Pull down the presser foot lifter 1 2 Set the rear cover assy 2 to the arm bed and then secure it with the 3 screws 1 Refer to 3 79 of the Assembly 1 2 1 1 1 1 Taptite Cup P M4X20 ...

Страница 71: ...ssy 2 2 Set the front cover assy to the arm bed and then secure it with the 2 screws 1 the screw 2 and the 2 screws 3 Key point Attach the front cover assy from the top side Check that hang the 3 hooks 3 of the front cover assy on the rear cover assy Refer to 3 80 of the Assembly 1 2 3 2 1 3 1 2 3 Taptite Cup P M4X20 Taptite Bind P M3X16 Screw Pan S P washer M4X10DB ...

Страница 72: ...tach the pattern selecting dial 1 1 4 Attachment of Face plate assy 1 Set the face plate assy 1 to the rear cover assy and then secure it with the screw 1 Refer to 3 81 of the Assembly 1 1 1 Taptite Cup P M4X20 5 Attachment of Accessory table 1 Attach the accessory table 1 to the front cover assy 1 ...

Страница 73: ...9 Zigzag mechanism 3 24 Feed control mechanism 3 26 Buttonhole and Pattern selecting mechanism 3 29 Upper shaft Needle bar and Presser foot unit 3 31 Assembly Upper shaft Needle bar and Presser foot unit 3 41 Buttonhole and Pattern selecting mechanism 3 51 Feed control mechanism 3 53 Zigzag mechanism 3 56 Needle threading mechanism 3 58 Feed unit 3 64 Main motor unit 3 76 Main frame and Covers 3 7...

Страница 74: ...3 2 Main frame and Covers Application Application Main frame and Covers location diagram ApplicationofDisassembly ...

Страница 75: ...ionofDisassembly Application Application 1 Disassembly of Face plate assy 1 Remove the screw 1 and then remove the face plate cutter holder 1 from the face plate assy 2 Remove the NT lower thread cutter 2 from the face plate assy 2 1 1 ...

Страница 76: ...cover assy 2 1 Removal of LED lamp supply assy 1 Remove the screw 1 and then remove the LED lamp supply assy 1 2 Remove the 5 retaining rings CS4 2 1 1 2 2 2 2 Removal of Rubber cushion A 1 Remove the screw 1 and then remove the washer plain M3 5 1 the washer 2 and the rubber cushion A 3 3 2 1 1 3 1 ...

Страница 77: ...1 Removal of Spool pin 1 Remove the spool pin 1 while pulling the spool pin spring 2 2 Remove the spool pin spring 2 1 2 1 3 2 Removal of Bobbin presser 1 Remove the screw 1 and then remove the bobbin presser 1 1 1 3 3 Removal of Thread guide assy 1 Remove the screw 1 and then remove the thread guide assy 1 1 1 ...

Страница 78: ...3 6 Main motor unit Application Application Main motor unit location diagram 220 to 240V 120V ApplicationofDisassembly ...

Страница 79: ... 1 Disassembly of Motor 3P supply assy 120V specification 1 Remove the retaining ring E3 1 and then remove the frange 2 and the motor T pulley 3 3 1 2 220 to 240V specification 1 Remove the retaining ring E3 1 and then remove the frange 2 and the motor T pulley 3 3 1 2 ...

Страница 80: ...3 8 Feed unit Application Application Feed unit location diagram Plastic Model Metal Model ApplicationofDisassembly ...

Страница 81: ... lever assy 2 from the shaft of feed adjuster sub assy 3 3 Pull out the feed adjuster sub assy 3 to remove the spring from the feed adjusting shaft holder 4 2 4 1 3 S04 3 1 2 S04 2 Disassembly of Feed module 2 1 Removal Disassembly of Needle plate assy 1 Remove the 2 screws 1 and then remove the needle plate assy 1 1 1 2 1 1 Removal of Slide plate 1 Remove the slide plate 1 from the needle plate a...

Страница 82: ...ion Application 2 1 2 Removal of NT lower thread cutter 1 Release the hook 1 to remove the cutter cover 2 from the needle plate B 3 2 Remove the retaining ring CS3 4 and then remove the NT lower thread cutter 5 from the cutter cover 2 1 3 5 2 3 5 4 2 ...

Страница 83: ...dle plate A 1 from the needle plate B 2 1 2 1 1 2 1 2 1 4 Removal of Stopper plate R M 1 Remove the screw 1 and then remove the stopper plate R 1 from the needle plate A 2 2 Remove the screw 2 and then remove the stopper plate M 3 from the needle plate A 2 2 2 3 1 1 2 2 Removal of Inner rotary hook assy 1 Remove the inner rotary hook assy 1 1 ...

Страница 84: ...4 Removal of Base plate 1 Remove the 4 screws 1 and then remove the base plate 1 1 1 2 5 Removal of Feed dog 1 Remove the 2 screws 1 and then remove the feed dog 1 1 1 2 6 Removal of Feed stand supporter 1 Remove the spring from the feed stand supporter 1 and the feed holder 2 2 Remove the 2 screws 1 and then remove the feed stand supporter 1 from the feed stand sub assy 3 1 1 2 3 S05 S05 ...

Страница 85: ...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 2 1 1 3 2 8 Removal of Set screw collar 1 Remove the screw 1 and then remove the set screw collar 1 and the washer thrust 2 from the horizontal feed shaft 3 2 locations 1 1 1 2 1 3 3 ...

Страница 86: ...he feed stand sub assy 1 from the feed holder 2 1 2 1 2 1 2 10 Removal of Horizontal feed shaft 1 Remove the horizontal feed shaft 1 from the feed stand sub assy 2 2 1 2 11 Removal of Feed arm assy 1 Remove the retaining ring CS4 1 and then remove the feed arm assy 2 and the polyester slider from the shaft of the feed stand sub assy 3 2 3 1 ...

Страница 87: ...Application Application 2 12 Removal of V feed attachment 1 Release the 2 hooks 1 to remove the V feed attachment 2 from the feed stand sub assy 3 2 Remove the lock nut 4 and then remove the screw 1 from the feed stand sub assy 3 3 2 1 4 3 1 ...

Страница 88: ...haft assy 2 3 Remove the 2 screws 2 and then remove the timing pulley D 6 from the lower shaft assy 2 4 Remove the retaining ring E6 7 and then remove the washer thrust 8 the lower shaft bushing 9 and the washer thrust 0 from the lower shaft assy 2 5 Remove the 2 screws 3 and then remove the set screw collar A from the lower shaft assy 2 2 5 3 2 7 6 9 A 8 0 4 1 1 2 1 4 3 5 3 A 2 9 6 2 2 14 Removal...

Страница 89: ... hook assy Plastic model 1 Remove the screw 1 from the feed holder 1 2 Pull out the outer rotary hook shaft 2 to remove the washer 3 the magnet 4 the washer 5 the outer rotary hook assy 6 and the washer thrust 7 from the feed holder 1 In case of metal model refer to next page 2 3 4 6 1 5 7 1 1 ...

Страница 90: ...del 1 Remove the screw 1 from the feed holder 1 2 Pull out the outer rotary hook shaft 2 to remove the spacer 3 the magnet 4 the outer rotary hook assy 5 the washer 6 6 and the spacer 7 from the feed holder 1 In case of plastic model refer to previous page 2 3 4 5 1 6 7 1 1 ...

Страница 91: ...3 19 Needle threading mechanism Application Application Needle threading mechanism location diagram ApplicationofDisassembly ...

Страница 92: ...embly of Needle threading unit 1 1 Removal of Thread guard cover assy Type A 1 Remove the screw 1 and then remove the thread guard cover assy 1 from the thread guard assy 2 1 1 2 1 Type B 1 Remove the screw 1 and then remove the thread guard cover assy 1 from the thread guard assy 2 1 1 2 1 ...

Страница 93: ...ofDisassembly Application Application 1 2 Removal of Thread guide wire 1 Remove the thread guide wire 1 from the thread guard cover assy 2 2 1 1 3 Removal of Thread take up spring 1 Remove the spring from the thread guard cover assy 1 1 S06 S06 ...

Страница 94: ...ension nut 5 from the shaft of the thread tension holder assy 2 Key point Turn the thread tension dial 4 until see the tension dial shaft 3 by feeding the thread tension nut 5 to the left side 3 Remove the thread tension adjusting screw 6 from the thread tension nut 5 4 Remove the spring the spring holder 7 the tension release plate 8 the tension plate 9 and the tension disc A 0 from the shaft of ...

Страница 95: ...ee the tension dial shaft 3 by feeding the thread tension nut 5 to the left side 3 Remove the thread tension adjusting screw 6 from the thread tension nut 5 4 Remove the spring the spring holder 7 the tension release plate 8 the tension plate 9 and the tension disc A 0 from the shaft of the thread tension holder assy 2 In case of Type A refer to previous page S07 3 4 8 2 9 7 6 5 0 3 5 1 1 6 4 2 S0...

Страница 96: ...3 24 Zigzag mechanism Application Application Zigzag mechanism location diagram ApplicationofDisassembly ...

Страница 97: ... retaining ring E4 1 and then remove the Z dial 2 and the notched spring 3 from the shaft 4 of the Z dial holder assy 5 2 Remove the retaining ring E2 6 and then remove the ES pin F B 7 and the Z dial connecting rod 8 from the Z dial 2 3 Remove the retaining ring E2 9 from the ES pin F B 7 7 2 8 9 7 2 6 2 1 5 3 4 ...

Страница 98: ...3 26 Feed control mechanism Application Application Feed control mechanism location diagram ApplicationofDisassembly ...

Страница 99: ... Remove the retaining ring E4 5 and then remove the connecting rod U 3 and connecting rod D 4 from the reverse sewing lever C assy 6 3 Remove the retaining ring E4 7 and then remove the reverse sewing lever D assy 8 and the reverse sewing lever C assy 6 from the lever holder sub assy 9 4 Remove the nut 4 0 and then remove the screw A from the reverse sewing lever D assy 8 9 A 8 7 0 6 2 3 5 1 4 6 8...

Страница 100: ...nder assy 1 and then remove the bobbin winder spring 2 from the bobbin winder assy 1 and the feed bracket sub assy 3 2 Remove the bobbin winder assy 1 from the feed bracket sub assy 3 3 Remove the bobbin winder rubber band 4 from the bobbin winder assy 1 4 Remove the bobbin winder shaft spring 5 from the bobbin winder assy 1 5 1 2 4 3 1 ...

Страница 101: ...3 29 Buttonhole and Pattern selecting mechanism Application Application Buttonhole and Pattern selecting mechanism location diagram There is a model without the retaining ring ApplicationofDisassembly ...

Страница 102: ...pplication Application 1 Disassembly of BH stopper assy 1 Remove the BH change arm 1 from the BH stopper 2 2 Remove the retaining ring E4 3 and then remove the BH stopper 2 from the BH stopper holder assy 4 2 3 4 1 2 Removal of Hexagon M4x40 5 1 Remove the hexagon M4x40 5 1 1 ...

Страница 103: ...3 31 Upper shaft Needle bar and Presser foot unit Application Application Upper shaft Needle bar and Presser foot unit location diagram ApplicationofDisassembly ...

Страница 104: ... Presser foot holder assy 1 Remove the zigzag presser foot 1 from the presser foot holder assy 2 2 Remove the screw 1 and then remove the presser foot holder assy 2 from the presser bar 1 1 2 2 2 Removal of Thread take up lever link 1 Remove the screw 1 and then pull out the shaft 1 to remove the thread take up lever link 2 and the washer spring 3 from the base holder assy 2 Remove the retaining r...

Страница 105: ... Remove the needle bar crank rod assy 1 from the shaft of the needle bar block 2 2 Remove the screw 1 and then remove the thread take up lever 3 from the needle bar crank of the needle bar crank rod assy 1 Key point The screw is reverse threaded 1 3 1 1 2 2 4 Removal of BH spring 1 Remove the screw 1 and then remove the BH spring 1 from the base holder assy 1 1 ...

Страница 106: ... and then remove the BH lever holder assy 2 from the base holder assy 2 2 1 2 6 Removal of Thread guide plate assy 1 Remove the screw 1 and the washer plain 2 Remove the screw 2 and then remove the thread guide plate assy 1 3 Remove the screw 3 and then remove the needle thread lever assy 2 from the thread guide shaft 3 of the thread guide plate assy 1 1 1 2 3 1 3 2 ...

Страница 107: ...al of Needle bar assy N 1 Remove the screw 1 from the needle bar block 1 2 Pull out the needle bar assy N 2 to remove the needle thread position setter 3 3 Remove the screw 2 and then remove the needle bar block 1 from the needle thread position setter 3 4 Remove the needle clamp screw 3 from the needle block 4 of the needle bar assy N 2 2 1 1 4 2 3 3 1 2 3 ...

Страница 108: ... needle bar supporter arm 2 from the shaft of the needle bar supporter assy 3 and the shaft of the needle shaft holder assy 4 2 4 3 1 2 10 Removal of Stopper plate R 1 Remove the screw 1 and then remove the stopper plate R 1 from the base holder assy 1 1 2 11 Removal of Needle shaft holder assy 1 Remove the screw 1 and then remove the needle shaft holder assy 1 from the base holder assy 1 1 ...

Страница 109: ...oval of Needle bar supporter assy Type A 1 Remove the spring from the screw 1 and the base holder assy 2 Remove the needle bar supporter assy 1 from the shaft bushing 2 of the base holder assy 3 Remove the screw 2 from the needle bar supporter shaft 3 4 Remove the screw 1 and then remove the needle bar supporter shaft 3 from the needle bar supporter assy 1 In case of Type B refer to next page S09 ...

Страница 110: ... holder assy 3 Remove the screw 1 and then remove the plate 1 from the needle bar supporter assy 2 4 Remove the screw 2 and then pull out the shaft 4 to remove the needle bar supporter shaft 5 from the needle bar supporter assy 2 In case of Type A refer to previous page S09 1 5 1 2 2 2 3 4 1 S09 2 14 Removal of Presser foot lifter 1 Remove the retaining ring E4 1 and then remove the presser foot l...

Страница 111: ...emove the spring 3 and the presser bar clamp 1 from the base holder assy 1 1 2 3 2 16 Removal of Thread release lever 1 Remove the retaining ring CS4 1 and then remove the thread release lever 2 and the spring from the shaft of the base holder assy 2 S10 1 S10 2 17 Removal of Lock nut 1 Loosen the lock nut 1 and then remove the screw 1 from the base holder assy 2 Remove the lock nut 1 from the scr...

Страница 112: ...licationofDisassembly Upper shaft Needle bar and Presser foot unit Application Application 2 18 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 113: ...3 41 Upper shaft Needle bar and Presser foot unit Application Application Upper shaft Needle bar and Presser foot unit location diagram ApplicationofAssembly ...

Страница 114: ...y and then secure it with the 2 screws 1 1 1 1 Screw Bind M3X6 1 2 Attachment of Lock nut 1 Attach the lock nut 1 to the screw 1 Key point Tighten 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 17 Adjustment Needle drop position to presser foot hole front back 1 1 1 1 Set Screw S...

Страница 115: ...le of the base holder assy the presser bar clamp 2 the spring 3 and the upper side hole of the base holder assy 2 Tighten the screw 1 temporarily Key point Fully tighten the screw 1 after performing 4 27 Adjustment Presser bar height 1 2 1 1 3 Set Screw Socket CP M5X5 1 5 Attachment of Presser foot lifter 1 Set the presser foot lifter 1 to the shaft 2 of the base holder assy and then attach the re...

Страница 116: ...ew hole of the needle bar supporter assy 2 with the hole of the needle bar supporter shaft 1 and then tighten the screw 1 until the position of the right figure 2 Attach the screw 2 to the needle bar supporter shaft 1 3 Insert the needle bar supporter shaft 1 to the shaft bushing 3 4 Attach the spring to the screw 1 and the base holder assy In case of Type B refer to next page 1 2 S09 1 1 2 2 2 3 ...

Страница 117: ...Check that the groove part of the shaft 3 engaged with the notch part of the plate 4 4 Fully tighten the screw 1 5 Insert the needle bar supporter shaft 1 to the shaft bushing 5 6 Attach the spring to the plate 4 and the base holder assy In case of Type A refer to previous page 1 2 S09 1 4 1 2 3 2 S09 4 2 5 S09 Screw Bind M3X5 Screw Bind M3X5 25 SPRING XE9140 1 7 Attachment of Stopper L 1 Set the ...

Страница 118: ...6 1 9 Attachment of Stopper plate R 1 Insert the hole 1 of the stopper plate R 2 to the screw 1 and then tighten the screw 2 temporarily Key point Fully tighten the screw 2 after performing 4 9 Adjustment Needle bar supporter stopper R position 1 2 2 1 2 1 1 Bolt Socket M3X6 1 10 Attachment of Needle bar supporter arm 1 Set the needle bar supporter arm 1 to the shaft of the needle shaft holder ass...

Страница 119: ...thread position setter 4 and the upper side hole of the needle bar supporter assy 5 and then tighten the screw 3 temporarily Key point Fully tighten the screw 3 after performing 4 21 Adjustment Needle bar height 1 2 3 1 2 1 4 3 2 2 3 5 4 Needle Clamp Screw Screw Bind M2 6X4 Set Screw Socket FT M4X4 1 12 Attachment of Spring 1 Set the spring to the tab of the base holder assy 1 and then hang the sh...

Страница 120: ... 42 Adjustment Needle threader 2 Set the thread guide plate assy 3 to the needle bar supporter assy 4 and then tighten the screw 2 temporarily 3 Tighten the washer plain S4 37 and the screw 3 temporarily Key point Fully tighten the screw 2 and 3 after performing 4 42 Adjustment Needle threader 1 2 3 1 3 2 1 3 3 2 4 Screw Pan S P washer M2 6X6DB Screw Bind M4X6 1 14 Attachment of BH lever holder as...

Страница 121: ... bar crank rod assy Thread take up lever 1 Set the thread take up lever 1 to the needle bar crank rod assy 2 with the screw 1 Key point The screw 1 is reverse threaded 2 Set the needle bar crank rod assy 2 to the needle bar block 3 Apply EPNOC AP N 0 to the shaft of the needle bar crank Small amount XC8387 Apply EPNOC AP N 0 to the shaft of the thread take up lever Small amount XC8387 Apply EPNOC ...

Страница 122: ...er assy from the right side and then secure them with the screw 1 Key point Insert the shaft of the thread take up lever 5 into the thread take up lever link 4 Apply EPNOC AP N 0 to the all around the take up support shaft hole Small amount XC8387 1 2 1 4 1 5 3 Screw 3X8 1 18 Attachment of Presser foot holder assy 1 Set the presser foot holder assy 1 to the presser bar with the screw 1 2 Set the z...

Страница 123: ...3 51 Buttonhole and Pattern selecting mechanism Application Application Buttonhole and Pattern selecting mechanism location diagram There is a model without the retaining ring ApplicationofAssembly ...

Страница 124: ...lication 1 Attachment of Hexagon M4x40 5 1 Attach the hexagon M4x40 5 1 to the arm bed 1 2 Assembly of BH stopper assy 1 Insert the shaft 1 of the BH stopper holder assy 2 to the BH stopper 3 and then attach the retaining ring E4 4 2 Set the BH change arm 5 to the BH stopper 3 3 4 1 2 5 ...

Страница 125: ...3 53 Feed control mechanism Application Application Feed control mechanism location diagram ApplicationofAssembly ...

Страница 126: ...winder shaft spring 1 to the bobbin winder assy 2 2 Set the bobbin winder rubber band 3 to the bobbin winder assy 2 3 Assemble the bobbin winder assy 2 and the feed bracket sub assy 5 and then set the bobbin winder spring 4 to the bobbin winder assy 2 and the feed bracket sub assy 5 4 Close the bobbin winder assy 2 4 3 5 2 1 2 ...

Страница 127: ...er C assy 4 and then attach the retaining ring E4 A Key point Check that align the boss of the connecting rod D 8 with the positioning hole of the connecting rod U 9 4 Set the reverse sew adjusting screw B to the connecting rod D 8 and the connecting rod U 9 and tighten the nut 4 C temporarily Key point Check that place the reverse sew adjusting screw B with the larger end facing rightward Fully t...

Страница 128: ...3 56 Zigzag mechanism Application Application Zigzag mechanism location diagram ApplicationofAssembly ...

Страница 129: ...2 into the back side of the Z dial 3 and the Z dial connecting rod 4 and then attach the retaining ring E2 5 3 Set the notched spring 6 and the Z dial 3 to the shaft 7 of the Z dial holder assy 8 and then attach the retaining ring E4 9 Key point Check that align the boss of the Z dial holder assy 8 with the positioning hole of the notched spring 6 2 3 1 2 3 4 5 8 6 7 3 9 ...

Страница 130: ...3 58 Needle threading mechanism Application Application Needle threading mechanism location diagram ApplicationofAssembly ...

Страница 131: ...y Application Application 1 Attachment of Thread guard supporter assy 1 Insert the shaft of the thread guard supporter assy 1 to the arm bed with the screw 1 Key point There is a model without the thread guard supporter assy 1 1 1 1 Taptite Bind S M4X10 ...

Страница 132: ... the protrusion of the thread tension nut 2 and insert the thread tension adjusting screw 1 into the shaft 7 of the thread tension holder assy 8 and then set the thread tension dial A to the thread tension holder assy 8 with the tension dial shaft B Key point Set the tension dial shaft B to the thread tension dial A in the state that the 9 of the thread tension dial A is the topmost position 4 Set...

Страница 133: ...ion nut 2 and insert the thread tension adjusting screw 1 into the shaft 7 of the thread tension holder assy 8 and then set the thread tension dial A to the thread tension holder assy 8 with the tension dial shaft B Key point Set the tension dial shaft B to the thread tension dial A in the state that the 9 of the thread tension dial A is the topmost position 4 Set the notch spring C to the thread ...

Страница 134: ...re 1 Set the thread guide wire 1 to the groove of the thread guard cover assy 2 2 1 2 4 Attachment of Thread guard cover assy Type A 1 Set the thread guard cover assy 1 to the thread tension holder assy 2 as shown in the right figure and then secure it with the screw 1 Key point Check that engage the 2 protrusions 3 of the thread tension holder assy 2 with the 2 gullets of the thread guard cover a...

Страница 135: ... 1 to the thread tension holder assy 2 as shown in the right figure and then secure it with the screw 1 Key point Check that engage the 3 protrusions 3 of the thread tension holder assy 2 with the 3 gullets of the thread guard cover assy 1 In case of Type A refer to previous page 1 1 1 3 2 1 Screw Pan S P washer M3X6DA ...

Страница 136: ...3 64 Feed unit Application Application Feed unit location diagram Plastic Model Metal Model ApplicationofAssembly ...

Страница 137: ...lastic model 1 Set the washer thrust 1 the outer rotary hook assy 2 the washer 3 the magnet 4 and the washer 5 in this order to the feed holder 6 and then insert the outer rotary hook shaft 7 to them 2 Tighten the screw 1 to the feed holder 6 In case of metal model refer to next page 1 7 5 4 2 6 3 1 6 1 2 Set Screw Socket CP M4X6 ...

Страница 138: ...rder to the feed holder 6 and then insert the outer rotary hook shaft 7 to them 2 Tighten the screw 1 to the feed holder 6 In case of plastic model refer to previous page 1 7 5 4 3 6 2 1 6 1 3 Set Screw Socket CP M4X6 1 2 Attachment of Feed arm supporter 1 Set the feed arm supporter 1 to the back side of the feed holder 2 with the screw 1 1 1 1 2 Screw Pan S P washer M3X8DB ...

Страница 139: ...rforming 4 19 Adjustment Needle bar rising 4 Set the lower shaft bushing C to the lower shaft assy 5 and then attach the retaining ring E6 D 5 Set the lower shaft assy 5 to the bottom side of the feed holder E Key point Check that the lower shaft bushing C is set the positioning part of the back side of the feed holder E When attaching the lower shaft assy 5 set the outer rotary hook F with the ma...

Страница 140: ...e feed stand sub assy 2 Key point Tighten it until the lock nut 1 hit the feed stand sub assy 2 Refer to 4 26 Adjustment Feed dog height 3 Set the V feed attachment 3 to the back side of the feed stand sub assy 2 1 1 1 1 1 2 2 3 Set Screw Socket FT M4X18 1 5 Attachment of Feed arm assy 1 Set the polyester slider and the feed arm assy 1 to the shaft 2 of the feed stand sub assy 3 and then attach th...

Страница 141: ...t 1 into the feed stand sub assy 2 Key point Check that there is the groove 3 of the horizontal feed shaft 1 as shown in the right figure position 3 2 1 1 7 Attachment of Feed stand sub assy 1 Set the feed stand sub assy 1 to the feed holder 2 and then secure the horizontal feed shaft 3 with the 2 screws 1 1 2 1 1 2 3 Screw Bind M3X12 ...

Страница 142: ...f Feed supporting plate 1 Set the feed supporting plate 1 to the feed arm assy 2 Key point Check that engage the protrusion 3 of the feed supporting plate 1 with the groove 4 of the feed arm assy 2 2 Set the feed supporting plate B 5 to the feed supporting plate 1 and attach the feed arm assy 2 with the screw 1 Key point Check that engage the boss of the feed supporting plate B 5 with the position...

Страница 143: ...assy and then tighten the 2 screws 1 temporarily Key point Fully tighten the 2 screws 1 after performing 4 25 Adjustment Feed dog position front back and left right 1 1 1 Bolt Socket M3X5 1 12 Attachment of Base plate 1 Set the base plate 1 to the feed holder and then secure it with the 4 screws 1 1 1 1 Screw Pan S P washer M3X8A 1 13 Attachment of Inner rotary hook plate assy 1 Set the inner rota...

Страница 144: ...Needle plate assy 1 Set the needle plate assy 1 to the base plate and then secure it with the 2 screws 1 1 1 1 Screw needle plate 1 15 1 Attachment of Stopper plate R M 1 Set the stopper plate R 1 to the back side of the needle plate A 2 and secure it with the screw 1 2 Set the stopper plate M 3 to the back side of the needle plate A 2 and secure it with the screw 2 1 2 2 2 3 1 1 Screw Bind M2 6X3...

Страница 145: ...t ApplicationofAssembly Application Application 1 15 2 Attachment of Needle plate A 1 Set the needle plate A 1 to the needle plate B 2 and then secure it with the 2 screws 1 1 1 2 1 1 2 1 Screw Pan S P washer M2 6X6 ...

Страница 146: ...ter 1 to the back side of the cutter cover 2 and then attach the retaining ring CS3 3 2 Set the cutter cover 2 to the needle plate B 4 Key point Check that hang the hook 5 of the cutter cover 2 on the back side of the needle plate B 4 1 3 2 2 4 5 4 1 1 15 4 Attachment of Slide plate 1 Set the slide plate 1 to the needle plate B 2 2 1 ...

Страница 147: ...ng lever assy 3 2 Set the screw 1 to the feed connecting lever assy 3 and then tighten the nut 2 M4 4 temporarily Key point Fully tighten the screw 1 after performing 2 49 Attachment of Feed adjuster assy Lubricate the EPNOC AP N 0 to the 2 sliding surfaces of the feed connecting lever assy 3 and the feed adjuster sub assy 1 3mm dia ball 1 S04 1 2 1 3 S04 4 2 3 S04 Screw Bind M4X16 9 4 15 SPRING X...

Страница 148: ...3 76 Main motor unit Application Application Main motor unit location diagram 220 to 240V 120V ApplicationofAssembly ...

Страница 149: ...ssy 3 and then attach the retaining ring E3 4 Key point Attach the taper surface 5 of the frange 2 to the side of the motor T pulley 1 1 5 2 3 1 4 2 220 to 240V specification 1 Set the motor T pulley 1 and the frange 2 to the shaft of the motor assy 3 and then attach the retaining ring E3 4 Key point Attach the taper surface 5 of the frange 2 to the side of the motor T pulley 1 1 5 2 3 1 4 2 ...

Страница 150: ...3 78 Main frame and Covers Application Application Main frame and Covers location diagram ApplicationofAssembly ...

Страница 151: ...d B M4X10 1 2 Attachment of Bobbin presser 1 Set the bobbin presser 1 to the rear cover assy and then tighten the screw 1 temporarily Key point Place the bobbin presser 1 with the smaller end facing the rear Fully tighten the screw 1 after performing 4 41 Adjustment Bobbin winder 1 1 1 Taptite Pan P S P W M3X12 1 3 Attachment of Spool pin 1 Set the spool pin spring 1 to the positioning groove of t...

Страница 152: ...cure them with screw 1 1 1 2 1 3 1 1 Taptite Pan B M3 5X12 2 2 Attachment of LED lamp supply assy 1 Set the LED lamp supply assy 1 to the inside of the front cover assy and then secure it with the screw 1 2 Pass the lead wire through the 5 guide parts and the hook part 2 as shown in the right figure and then attach the 5 retaining rings CS4 3 to the 5 bosses of the 5 guide parts Key point Refer to...

Страница 153: ...sembly Application Application 3 Assembly of Face plate assy 1 Set the NT lower thread cutter 1 to the face plate assy 2 Set the face plate cutter holder 2 to the face plate assy and then secure it with the screw 1 1 1 1 2 Taptite Bind B M3X10 ...

Страница 154: ...late position 4 18 Needle bar rising 4 19 Needle bar height 4 21 Needle clearance 4 22 Left straight stitch needle drop and zigzag stitch maximum left needle drop position 4 23 Feed dog position front back and left right 4 25 Feed dog height 4 26 Presser bar height 4 27 Upper thread tension 4 28 SS pattern triple stretch stitch stitch length 4 29 Feed distance 4 30 Straight forward Straight revers...

Страница 155: ...er from the rear cover by pushing the position A and the position B on the rear cover Key point There are 3 hooks on the front cover Refer to the following figure 9 Disconnect the connector of the LED lamp lead wire on the bottom side of the front cover from the power supply PCB 10 Remove the front cover To next page This sewing machine stands up for oneself in the state that the front cover and r...

Страница 156: ...ation Removal of covers From previous page 11 Lower the presser foot lifter 12 Remove the 3 screws 4 on the front side of the arm bed and then remove the rear cover 4 Taptite Cup P M4X20 4 4 4 Rear cover Rear cover Rear cover Power supply unit Presser foot lifter ...

Страница 157: ...Adjustment 4 4 Inspection Needle point damage 1 Put needle on a level block and check a needle is not bent 2 Slide a needle on your finger and check if moves smoothly no damage on needle point The gap with the block should be even Level block ...

Страница 158: ...e the foot controller 2 Remove the face plate and the pattern selection dial and remove the front cover and the rear cover 3 Loosen the screw 1 of the tension pulley assy 4 Move the tension pulley assy back and forth to adjust the tension of the timing belt 5 Tighten the screw 1 of the tension pulley assy to secure the tension pulley assy to the arm bed 1 XC2277001 Push pull gauge 5N Screw Pan S P...

Страница 159: ...ial and remove the front cover and the rear cover 3 Loosen the 2 screws 1 of the motor holder 4 Loosen the screw 2 of the motor supporter 5 Move the motor holder up and down to adjust the tension of the motor belt 6 Tighten the 2 screws 1 of the motor holder to secure the motor holder to the arm bed 7 Tighten the screws 2 of the motor supporter to secure the motor holder to the arm bed In case of ...

Страница 160: ...and then remove the foot controller 2 Remove the face plate and the pattern selection dial and remove the front cover and the rear cover 3 Loosen the 2 screws 1 of the motor holder 4 Move the motor holder up and down to adjust the tension of the motor belt 5 Tighten the 2 screws 1 of the motor holder to secure the motor holder to the arm bed In case of 120V specification refer to previous page 1 X...

Страница 161: ... needle top comes to the needle plate surface Needle bar is left side 7 Loosen the screw 1 of the stopper L 8 Move the position of the stopper L left and right and adjust the clearance between the needle bar supporter and the stopper L 9 Tighten the screw 1 of the stopper L to secure the stopper L to the base holder Confirmation Turn the pulley by hand until the needle top comes into the needle ho...

Страница 162: ...the needle top comes to the needle plate surface Needle bar is right side 7 Loosen the screw 1 of the stopper R 8 Move the position of the stopper R screw 1 left and right and adjust the minimum clearance between the needle bar supporter and the stopper R when the pattern selection dial is turned 9 Tighten the screw 1 of the stopper R to secure the stopper R to the base holder Confirmation Turn th...

Страница 163: ...roller 2 Remove the face plate and the pattern selection dial and remove the front cover and the rear cover 3 Remove the presser foot 4 Attach the size 90 14 needle 5 Attach the pattern selection dial 6 Turn the pattern selection dial until the 3 is the topmost position 7 Turn the stitch width dial until the 5 is the topmost position 8 Loosen the screws 1 2 and 3 of the worm gear 9 Turn the pulley...

Страница 164: ... 12 Move the worm gear to the left side until feels a response by turning the worm gear by hand to the direction of the arrow 2 13 Move the screw hole of the worm gear to the position in which facing directly frontward by turning the worm gear by hand to the direction of the arrow 3 10 to 60 degrees 14 Tighten the screw 1 of the worm gear to secure the worm gear to the upper shaft 15 Turn the pull...

Страница 165: ...ft to right is normal And check that the upper shaft rotation is not too heavy OK NG Needle plate Needle plate The needle does not move to left right direction under the needle plate The needle moves to left right direction under the needle plate Z finger Contact Pattern cam Starting position of lateral motion Stopping position of lateral motion Z finger Contact Pattern cam 5 0 4 mm 4 6 5 4 mm 7 0...

Страница 166: ...lley by hand until the needle top comes to the needle plate surface Needle bar is left side 9 Loosen the screw 1 of the zigzag adjusting nut 10 Adjust the left right needle drop position so that the same to the center of the needle hole by turning the zigzag adjusting nut with a spanner Key point Adjust it within the range where the large side of the eccentric amount of the zigzag adjusting nut is...

Страница 167: ...pmost position 5 Turn the stitch width dial until the 5 is the topmost position 6 Loosen the screw 1 of the needle shaft holder assy 7 Adjust the left right needle drop position so that the same to the center of the needle hole by moving the position of the needle shaft holder assy to the left and right 8 Tighten the screw 1 of the needle shaft holder assy to secure the needle shaft holder assy to...

Страница 168: ...face plate and the pattern selection dial and remove the front cover and the rear cover 3 Remove the presser foot 4 Attach the size 90 14 needle 5 Attach the pattern selection dial 6 Turn the pattern selection dial until the 3 is the topmost position 7 Turn the stitch width dial until the 5 is the topmost position 8 Turn the pulley by hand from the rear to the front until the needle top comes to t...

Страница 169: ... the 5 maximum and 0 minimum adjust the horizontal moving distance of the needle top to 0 1 mm or less Key point Adjust it within the range where the large side of the eccentric amount of the zigzag adjusting nut is upper side 11 Tighten the screw 1 of the zigzag adjusting nut to secure the zigzag adjusting nut Key point When tightening the screw 1 of the zigzag adjusting nut keep the zigzag adjus...

Страница 170: ...st position 6 Turn the stitch width dial until the 2 5 is the topmost position 7 Lower the presser foot lifter and lower the presser foot 8 Turn the pulley by hand and drop the needle top into the needle hole of the presser foot 9 Loosen the nut 4 of the screw 1 on the upper side of the needle presser module 10 Turn the screw 1 and adjust the clearance between the needle hole of the presser foot a...

Страница 171: ...protrusion A of the inner rotary hook assy to the spring plate of the inner rotary hook plate and then push the inner rotary hook assy to the needle side from front to rear 3 Loosen the screws 1 and 2 of the inner rotary hook plate 4 Move the inner rotary hook plate to front back around on the screw 2 and adjust the overlap between the spring plate of the inner rotary hook plate and the protrusion...

Страница 172: ...ver and the rear cover 3 Remove the needle plate assy the presser foot and the inner rotary hook assy 4 Attach the size 90 14 needle 5 Attach the pattern selection dial 6 Turn the pattern selection dial until the 2 is the topmost position 7 Turn the stitch width dial until the 5 is the topmost position 8 Loosen the screws 1 and 2 of the timing pulley D 9 Raise the needle bar up 3 1 mm from its low...

Страница 173: ...ook point the large side of the eccentric amount of the feed cam of the lower shaft should be facing directly frontward 11 Tighten the screws 1 and 2 of the timing pulley D to secure the timing pulley D to the lower shaft Confirmation When the needle is lowered to the lowest point by turning the pulley by hand check that the feed dog is lowered 1 2 Needle bar Right edge of needle and tip coincide ...

Страница 174: ...n selection dial until the 2 is the topmost position 7 Turn the stitch width dial until the 5 is the topmost position 8 Match up the right edge of the needle with the outer rotary hook point by turning the pulley by hand from the rear to the front 9 Loosen the screw 1 of the needle bar block 10 Move the needle bar up and down and adjust the gap between the top of needle eye and the lower end of th...

Страница 175: ...he 5 is the topmost position 5 Turn the pulley by hand until the outer rotary hook point aligns with the back side of the needle 6 Insert a screwdriver into the hole of the rear cover adjust the clearance between the scarf of the needle and the outer rotary hook point by turning the screw 1 Key point Loosen the screw 1 turn to the direction of A Move the needle to front side needle clearance is la...

Страница 176: ... the rear cover 3 Attach the size 90 14 needle 4 Attach the pattern selection dial 5 Turn the pattern selection dial until the 3 is the topmost position 6 Turn the stitch width dial until the 5 is the topmost position 7 Move the needle bar to the leftmost position by turning the pulley by hand 8 Lay a paper on the needle plate and lower the presser foot lifter to lower the presser foot And make a ...

Страница 177: ... screwdriver and move the needle top left and right And adjust them so that the pinhole on paper matches up with the needle top Key point Turn a flat screwdriver counterclockwise Turn to the direction a Move the plate B downward Move the needle top to the right side Turn a flat screwdriver clockwise Turn to the direction b Move the plate B upward Move the needle top to the left side 13 Tighten the...

Страница 178: ... width dial until the 2 5 is the topmost position 4 Turn the stitch length dial until the 4 is the topmost position 5 Turn the pulley by hand and move the feed dog to the front position 6 Remove the 2 screws 1 of the needle plate assy and remove the needle plate assy 7 Loosen the 2 screws 2 of the feed dog Set the needle plate assy temporarily and adjust the position of the feed dog 8 Tighten the ...

Страница 179: ...rt the hex wrench into the hole of the needle plate and adjust the feed dog height from the surface of the needle plate by turning the screw 1 Key point Loosen the screw 1 turn to the direction of a The feed dog is lowered Tighten the screw 1 turn to the direction of b The feed dog is raised Confirmation When lower the feed dog by turning the pulley by hand check that the feed dog is lower than th...

Страница 180: ...sser foot J 4 Raise the presser foot lifter to raise the presser foot J 5 Remove the screw 1 of the presser bar clamp 6 Move the presser bar presser foot up and down and adjust the clearance between the bottom surface of the presser foot and the surface of the needle plate Key point When measuring the height of the presser foot J perform in the state that lower the feed dog than the surface of the...

Страница 181: ...sion control dial until the 4 is the topmost position 3 Pass the schappe spun thread 60 through the tension disc and lower the presser foot lifter Close the tension disc 4 Pull the thread down slowly with the tension gauge and measure the thread tension 5 Adjust the thread tension by turning the adjusting screw of the thread tension unit Key point Turn the adjusting screw to the direction of a The...

Страница 182: ... the direction of the arrow and drop a few stitches on a paper 8 Loosen the nut 4 of the adjusting screw 9 Adjust the needle drop position so that the forward needle drop C and the reverse needle drop D are the same by turning the adjusting screw Key point Turn the adjusting screw counterclockwise Turn to the direction a Reverse stitch length f is shorter Fig 1 a Turn the adjusting screw clockwise...

Страница 183: ...ion 8 Lay a paper on the needle plate and lower the presser foot lifter to lower the presser foot 9 Turn the pulley by hand to the direction of the arrow and drop 11 stitches on a paper 10 Loosen the screw 1 of the feed dial gear 11 Adjust the feed length by turning the feed dial gear left and right Key point At stitch length dial 0 feed 0 the feed length should be 1 mm or less when sewing at 10 p...

Страница 184: ... topmost position 14 Turn the pulley by hand to the direction of the arrow and drop 11 stitches on a paper and check the feed length Key point At stitch length dial 4 feed maximum the feed length should be more than 36 mm when sewing at 10 pitches Fig 2 1 Set Screw Socket CP M4X4 Stitch length dial Feed dial gear Back side view Pulley 1 Needle Paper START 11th stitch 10 pitches more than 36 mm OK ...

Страница 185: ...tion 5 Turn the stitch width dial until the 2 5 is the topmost position 6 Turn the stitch length dial until the 2 is the topmost position 7 Lay a paper on the needle plate and lower the presser foot lifter to lower the presser foot 8 Turn the pulley by hand and drop 11 stitches on a paper Fig 1 9 Raise the presser foot lifter and slide a paper and drop 11 stitches on a paper while pushing down the...

Страница 186: ... the adjusting screw counterclockwise Turn to the direction a Connecting rod assy is shorter Reverse stitch length f is shorter Fig 3 a Turn the adjusting screw clockwise Turn to the direction b Connecting rod assy is longer Reverse stitch length f is longer Fig 3 b 12 Tighten the nut 4 on the adjusting screw of the connecting rod assy to secure the adjusting screw Key point When tightening the nu...

Страница 187: ...g plate 6 Adjust the load of the BH lever that switches from the rear to the front side by moving the BH adjusting plate up and down Key point When the BH lever is pushed from the rear to the front the switching road of the position should be 0 5 to 1 5 N 50 to 150 gf Key point Move up the BH adjusting plate The switching road is light Move down the BH adjusting plate The switching road is heavy 7...

Страница 188: ... stitch difference should be within 10 stitches Adjustment 1 Turn off the power and then remove the foot controller 2 Remove the face plate and the pattern selection dial and remove the front cover and the rear cover 3 Attach the size 90 14 needle 4 Attach the pattern selection dial 5 Turn the pattern selection dial until the 1 is the topmost position 6 Turn the stitch length dial until the F is t...

Страница 189: ...st the stitch length of the left reverse stitch by turning the adjusting screw of the BHF finger assy Key point The number of left reverse stitch right forward stitches should be 35 to 50 stitches per 20 mm And the stitch difference should be within 10 stitches Key point Loosen the adjusting screw Turn to the direction A Left reverse stitch length is shorter The number of stitches increases Fig 2 ...

Страница 190: ...l the 1 is the topmost position 6 Turn the stitch length dial until the F is the topmost position 7 Pull down the BH lever to the downmost and then switch the position to the rear side by pushing the BH lever from the front to the rear 8 Set the BH foot 9 Attach the foot controller and turn on the power 10 Execute the bar tack sewing to the double broadcloth with a schappe spun thread 60 and check...

Страница 191: ...t Loosen the adjusting screw Turn to the direction a Reverse the bar tack Fig 2 a Tighten the adjusting screw Turn to the direction b Forward the bar tack Fig 2 b 13 Tighten the nut 4 of the adjusting screw of the BHF finger assy to secure the adjusting screw Key point When tightening the nut 4 of the adjusting screw keep the adjusting screw from moving Adjusting screw Flat screwdriver Nut 4 BHF f...

Страница 192: ...e topmost position 6 Turn the stitch length dial until the F is the topmost position 7 Pull down the BH lever to the downmost and then switch the position to the rear side by pushing the BH lever from the front to the rear 8 Set up the BH foot to 20 mm and then set it 9 Attach the foot controller and turn on the power 10 Execute the bar tack sewing to the double broadcloth with a schappe spun thre...

Страница 193: ...ear side direction a The inside length of the stitch bar tack is shorter Fig 2 a Move the BH lever to the front side direction b The inside length of the stitch bar tack is longer Fig 2 b 13 Execute the bar tack sewing again and check the inside length of the stitch bar tack the upper side and the lower side 14 Repeat the procedure 11 to 13 until length becomes the specified value 1 Set Screw Sock...

Страница 194: ...e thread is wound parallel to the bobbin Key point When uneven bobbin winding is the upper side move the thread guide assy downward Fig 1 a When uneven bobbin winding is the lower side move the thread guide assy upward Fig 1 b 5 Tighten the screw 1 of the thread guide assy to secure the thread guide assy 6 Loosen the screw 2 of the bobbin presser 7 Turn the bobbin presser left and right to adjust ...

Страница 195: ...4 Turn the pulley by hand and move the needle bar to its highest position 5 Loosen the 2 screws 1 of the thread guard cover assy to remove the thread guard cover 6 Loosen the screws 2 and 3 of the thread guide plate assy 7 Move the thread guide plate assy left and right to adjust it so that the hook is passed into the needle eye 8 Tighten the screws 2 and 3 of the thread guide plate assy in this o...

Страница 196: ...ever 10 Move the needle thread lever up and down to adjust the clearance between the upside of the hook and the top of the needle eye 11 Tighten the screw 4 of the needle thread lever to secure the needle thread lever to the thread guide shaft 4 Screw Pan P washer M2 6X6 Needle thread lever Thread guide shaft Needle Hook Needle eye 4 0 03 0 13 mm ...

Страница 197: ...te Key point Pass the thread through into the back of the groove of the thread tension plate 4 Pull the thread slowly from the inner rotary hook assy with the tension gauge and measure the thread tension 5 Adjust the thread tension by turning the tension adjusting screw of the inner rotary hook assy Key point The tension adjusting screw is secured with the thread locker 6 Secure the tension adjust...

Страница 198: ...5 5 1 Sewing lamp does not light 5 2 Main motor does not turn or Rotation speed is slow 5 3 Failure Investigation for Electronic Parts ...

Страница 199: ...om the socket of the machine is the voltage between pins A of the plug 108 to 132V AC for 120V AC countries 1 Y N N Connect it properly Is the LED lamp assy connector connected to the power supply PCB CN2 correctly Y Refer to Fig 1 Refer to Fig 2 Fig 2 When disconnect the LED lamp assy connector from the power supply PCB CN2 is the voltage between pins 1 and 2 at CN2 10 to 12V DC Refer to Fig 2 CN...

Страница 200: ...m the socket of the machine and turn on the power switch is the resistance between pins A of the socket 60 to 80 Ω for 120V AC countries 1 Y Y Refer to Fig 1 Main motor does not turn when pressing foot controller or Rotation speed is slow Is the sewing lamp turned on N Y Does the pulley turn smoothly Refer to 5 2 Sewing lamp does not light Reassemble the upper shaft assy Replace the motor 3P suppl...

Страница 201: ...6 1 6 Motor 3P supply assy 6 2 LED lamp 6 4 Special Instructions of Wiring ...

Страница 202: ...supply assy 1 Attachment of motor 120V specification 220 to 240V specification Attach the motor so that the outlet of motor cable is the upper side Outlet of motor cable Motor Upper side A view Attach the motor so that the outlet of motor cable is the upper side Outlet of motor cable Motor Upper side A view ...

Страница 203: ...ble Motor holder Lower shaft plate A view CAUTION If attach the motor cable through between the lower shaft plate and the motor holder damage the cable Doing this might cause an electrical shock CAUTION If attach the motor cable through between the lower shaft plate and the motor holder damage the cable Doing this might cause an electrical shock Pass the motor cable through between the motor and t...

Страница 204: ...ructions of Wiring Special Instructions of Wiring Special Instructions of Wiring LED lamp 1 Wiring on inside of front cover 2 Wiring on lower side of arm bed Secure the lead wire with the retaining ring CS4 5 locations ...

Страница 205: ......

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