Brother PR600IIUPG- User Manual

1 - 4 Outline of Mechanism Driveline B) Movement of rotary hook Lower shaft gear Timing belt Timing pulley Rotary hook Lower shaft Upper shaft Pulley Idle pulley Pulley Timing pulley Upper shaft Timing belt Idle pulley Lower shaft gear Lower shaft Rotary hook

1 - 5 O u tl ine of M echani sm Outline of Mechanism Positions of electronic components ASSY: TH sensor ASSY: Head PCB ASSY: FD PCB ASSY: Inverter PCB(INVERTER:IM4302) ASSY: SW PCB Touch panel(TOUCH PANEL:EMU601A2B040) LCD module(LCDM:LM8M64) ASSY: Panel PCB FD drive(FDD:FD-05HG-5661) ASSY: Main PCB...

1 - 7 O u tl ine of M echani sm Outline of Mechanism Control system block diagram AC Power supply Inlet SW Power supply SW ASSY : POWER PCB Power supply 40V,24V PR-600 PC USB Cable ASSY : USB PCB ASSY : MAIN PCB Power supply 5V 3.3V 40V, 24V Power supply monitor EEPROM I/F Communication CPU ASSY : M...

1 - 8 Outline of Mechanism Operation of other electronic components Start/stop switch . . . . . . . . . . . . . . . . . . . . . . This switch is used to start and stop the sewing machine. Thread cut switch . . . . . . . . . . . . . . . . . . . . . This switch is used to cut thread. Pressing this swi...

1 - 9 O u tl ine of M echani sm Outline of Mechanism Using the thread

2 - 1 2 Disassembly Main unit Main parts ........................................ 2 - 2 Feed unit......................................... 2 - 14 Needle thread unit .......................... 2 - 25 Needle bar change unit .................. 2 - 29 Thread wiper unit ............................ 2 - 3...

2 - 3 Main parts Main unit Disassembly 1 Motor cover and carriage cover removal 1. Remove the screw cover 1 . 2. Remove the screw 1 , and then remove the carriage cover 2 . 3. Remove the 2 screws 2 , and then remove the motor cover 3 . Start movie clip (CD-ROM version only) 1 1 2 3 2

2 - 4 Main unit Main parts 2 Bed cover removal 1. Remove the 2 screws 1 , and then remove the bed cover bottom assembly 1 . 2. Remove the 2 screws 2 , and then remove the bed cover lid 2 from the bed cover bottom assembly. 3. Remove the hinged door 3 and the spring 4 from the bed cover bottom assemb...

2 - 5 Main parts Main unit Disassembly 3 Arm cover R removal 1. Remove the 5 screw covers 1 . 2. Remove the 2 screws 1 , and then remove the arm cover R lid 2 . *Key point • Remove the thumb bolt (M4S) from the operation panel assembly before removing arm cover R. 3. Remove the 3 screws 2 , and then...

2 - 6 Main unit Main parts 4 Arm cover L removal 1. Remove the 3 screw covers 1 . 2. Remove the screw inside the cover 1 and the 2 screws outside the cover 2 , and then remove arm cover L 2 . Start movie clip (CD-ROM version only) 3 1 1 In side Out side 2

2 - 7 Main parts Main unit Disassembly 5 Base cover R removal 1. Remove the 2 screw covers 1 . 2. Remove the 2 screws 1 and then remove the base cover R lid 2 . 3. Removes the 3 screws 2 and then remove the base cover R 3 . *Key point • ·Fully draw the feed final assembly toward you before removing ...

2 - 8 Main parts Main unit 6 Base cover L removal 1. Remove the 2 screw covers 1 . 2. Remove the 2 screws 1 , and then remove the base cover L lid 2 . 3. Remove the 3 screws 2 , and then remove the base cover L 3 . *Key point • Fully draw the feed final assembly toward you before removing the base c...

2 - 9 Main parts Main unit Disassembly 8 Main PCB assembly removal 1. Disconnect all connectors from the main PCB. 2. Remove the 4 screws 1 , and then remove the main PCB assembly 1 . 3. Remove the 4 screws 2 , and then remove board holder U 2 and board holder D 3 . 1 2 2 3 1 2 1 9 Spool stand frame...

2 - 10 Main parts Main unit 11 Thread take-up cover removal 1. Remove the 2 screws 1 , and then remove the thread take-up cover 1 . *Key point • The pin protruding from the needle bar case final assembly rests on the inner left side of the thread take-up cover. Start movie clip (CD-ROM version only)...

2 - 11 Main parts Main unit Disassembly 13 Needle plate removal 1. Remove the 2 screws 1 , and then remove the needle plate 1 . 1 1 14 Needle plate base assembly removal 1. Remove the 2 screws 1 to disconnect the cutter link assembly 1 . 2. Remove the 2 screws 2 , and then remove the needle plate ba...

2 - 12 Main parts Main unit 16 Picker bracket removal 1. Remove the retaining ring E2, and then remove the picker link. 2. Remove the 2 screws 1 , and then remove the picker bracket final assembly. Start movie clip (CD-ROM version only) Retaining ring E2 1 17 Picker bracket disassembly 1. Remove the...

2 - 13 Main parts Main unit Disassembly 19 Cutter unit final assembly and picker final assembly removal 1. Remove the screw 1 , and then remove the cord clamp NK-5N and the lead wire from the arm bed. 2. Remove the 2 screws 2 , and then remove the picker final assembly. *Key point • Fully draw the f...

2 - 15 Feed unit Main unit Disassembly 1 T-belt (Y-guide) removal 1. Remove the 2 screws 1 , and then remove the Y-belt presser 1 (one each on left and right). 2. Remove the 2 screws 2 , and then remove the Y-tension plate assembly 2 and T-belt (one each on left and right) 3. Remove the retaining ri...

2 - 16 Main unit Feed unit 2 Feed final assembly removal 1. Draw the feed final assembly toward you.2. Unlock the connector of the Y-area sensor assembly, and then remove the FFC SML2CD-Y 1 from the Y-area sensor assembly. 3. Remove the screw 1 , and then remove the sheet and sheet B. 4. Remove the ...

2 - 17 Feed unit Main unit Disassembly 3 Y-motor final assembly removal 1. Remove the screw 1 , and then remove the cord clamp NK-4N and the Y- motor assembly's lead wire from the base frame. 2. Remove the 2 screws 2 , and then remove the Y-motor final assembly. 1 2 4 Y-motor disassembly 1. Remove t...

2 - 18 Feed unit Main unit 5 Y-driving shaft assembly removal 1. Remove the 2 screws 1 , and then remove the 2 bushing pressers A. 2. Remove the Y-driving shaft assembly 1 . 3. Remove the 2 felts 2 . 1 1 1 2 6 Cord grip removal 1. Remove the screw 1 , and then remove the cord grip. 2. Disconnect the...

2 - 19 Feed unit Main unit Disassembly 7 FFC and X-area sensor assembly removal 1. Remove the screw 1 , and then remove the sheet. 2. Remove the 2 screws 2 , and then remove the sheet. 3. Remove the screw 3 , and then remove the X-area sensor assembly and the X-frame spacer. 4. Unlock the X-area sen...

2 - 20 Feed unit Main unit 10 X-carriage A assembly and X-carriage B assembly removal 1. Remove the 4 screws 1 , and then remove the hoop sensor assembly's lead wire connector 1 from the hoop PCB assembly while removing the X- carriage A assembly. 2. Unlock the hoop PCB assembly's FFC (SML2CD-X) con...

2 - 21 Feed unit Main unit Disassembly 12 Hoop sensor removal 1. Remove the screw 1 . 2. Remove the screw 2 , and then remove the hoop lever. 3. Remove the nut 1 and the plain washer S6, and then remove the hoop sensor assembly and the spring . Start movie clip (CD-ROM version only) 2 1 1 S44 S44 13...

2 - 22 Feed unit Main unit 14 T-belt (Y-drive) removal 1. Remove the 2 screws 1 , and then remove the tension pulley plate assembly and the T-belt. 1 15 Feed frame disassembly 1. Remove the 4 screws ( 1 2 , 2 each), and then remove the Y-carriage RB. 2. Remove the retaining ring E4, plain washer (M6...

2 - 23 Feed unit Main unit Disassembly 16 Y-carriage L disassembly 1. Remove the 2 screws 1 , and then remove the connect PCB final assembly. 2. Remove the 2 screws 2 , and then remove the Y-sensor dog. 3. Remove the 2 screws 3 , and then remove the X-motor assembly. 4. Remove the 4 screws 4 , and t...

2 - 24 Feed unit Main unit 17 Y-carriage R disassembly 1. Remove the 4 screws 1 , and then remove bearing case Y from the Y- carriage R (2 locations). 2. Remove the 2 external retaining rings C19, and then remove the linear bearing (10) from the bearing case Y assembly (2 sets). 1 External retaining...

2 - 26 Needle thread unit Main unit 1 Needle thread assembly removal 1. Remove the 6 screws 1 , and then remove the needle thread assembly 1 . 1 1 1 2 Hook holder assembly removal 1. Remove the cap 1 . 2. Remove the hook holder assembly 2 , and then remove the spring and the hook holder axis B assem...

2 - 27 Needle thread unit Main unit Disassembly 3 Rack and hook holder link removal 1. Remove the 2 screws 1 , and then remove the needle thread sensor assembly. 2. Remove the 2 retaining rings E4, and then remove the rack assembly.3. Remove the retaining ring E3, and then remove the hook holder lin...

2 - 28 Main unit Needle thread unit 4 Thread motor assembly removal 1. Remove the 2 screws 1 , and then remove the thread motor assembly and the 2 spacers. 2. Remove the 2 screws 2 , and then remove the base plate assembly from the thread guide base. 3. Remove the screw 3 , and then remove the dampe...

2 - 29 Disassembly Needle bar change unit Main unit

2 - 30 Needle bar change unit Main unit 1 Change box removal 1. Remove the 2 screws 1 , and then remove the change box assembly 1 . 1 1 2 Change box disassembly (Step 1) 1. Remove the 2 screws 1 , and then remove the C sensor bracket assembly and the C sensor bracket assy lower. 2. Remove the 2 scre...

2 - 33 Thread wiper unit Main unit Disassembly 1 Thread presser base removal 1. Remove the 4 screws 1 , and then remove the thread presser base assembly 1 from the needle bar case final assembly. 1 1 1 2 Thread presser base disassembly 1. Remove the 2 screws 1 , and then remove the thread presser co...

2 - 34 Main unit Thread wiper unit 4 Wiper guide and wiper sensor removal 1. Remove the screw 1 , and then remove the wiper sensor assembly. 2. Remove the 6 screws 2 , and then remove the wiper guide assembly. 3. Remove the wiper cushion 1 from the wiper guide assembly. 1 1 2 2

2 - 35 Thread wiper unit Main unit Disassembly 5 Wiper set disassembly 1. Remove the nut (3, M4), spring washer (2-4), and wiper shoulder screw, and then remove the wiper hook 1 . 2. Remove the retaining ring E4, plain washer (M6), and washer, and then remove the wiper lever assembly. 3. Remove the ...

2 - 37 Needle bar unit Main unit Disassembly 1 Needle bar case final assembly removal 1. Remove the 4 screws 1 , and then remove the needle bar case assembly. Start movie clip (CD-ROM version only) 1 2 Change roller base assembly removal 1. Remove the 2 screws 1 , and then remove the change roller b...

2 - 38 Needle bar unit Main unit 4 Thread take-up lever assembly removal 1. Remove the 2 screws 1 , and then remove the thread take-up shaft 1 and the 6 thread take-up lever assemblies 2 . 2. Remove the 2 thread take-up bushes 3 . 1 1 2 3 5 Thread take-up lever disassembly 1. Remove the 2 screws 1 ,...

2 - 39 Needle bar unit Main unit Disassembly 6 Needle bar removal 1. Remove the screw 1 and the washer. (6 locations) 2. Remove the screw 2 . (6 locations) 3. Remove the screw 1 , and then remove the thread guide 1 , needle bar thread guide 2 , presser foot cushion 3 , presser foot assembly 4 , and ...

2 - 40 Needle bar unit Main unit 9 Case positioning plate disassembly 1. Remove the nut (2, M4) 1 , spring washer (2-4), and plain washer (M4), and then remove the ball bearing (694) and the case positioning shaft fromthe case positioning plate. 1 10 Case bracket assembly removal 1. Remove the screw...

2 - 41 Needle bar unit Main unit Disassembly 11 Case bracket disassembly 1. Remove the 4 screws 1 , and then remove the case guide US and the case bracket assembly. 2. Remove the 2 retaining rings E3, and then remove the 2 ball bearings (694) from the case bracket assembly. Start movie clip (CD-ROM ...

2 - 43 Upper shaft unit Main unit Disassembly 1 Main motor final assembly removal 1. Remove the 2 screws 1 , and then remove the main motor final assembly and the T-belt (XA9644-050). 2. Remove the motor fan from the main motor final assembly.3. Remove the 2 screws 2 , and then remove the tension pu...

2 - 44 Main unit Upper shaft unit 3 Driving jump assembly removal 1. Remove the 2 screws 1 , and then remove the driving jump assembly. 1

2 - 45 Upper shaft unit Main unit Disassembly 4 Driving jump disassembly 1. Remove the 2 screws 1 , and then remove the J differential lever 1 , thrust washer, and J slide lever assembly 2 . 2. Remove the retaining ring E4, and then remove the J slide lever shaft 3 from the J slide lever. 3. Remove ...

2 - 46 Upper shaft unit Main unit 5 Base needle bar removal 1. Remove the screw 1 , and then remove the J-clamp final assembly 2 and the presser foot vertical base assembly 3 while pulling the base needle bar 1 upward. Start movie clip (CD-ROM version only) 1 1 2 3 6 J-clamp disassembly 1. Remove th...

2 - 47 Upper shaft unit Main unit Disassembly 7 Presser foot vertical base disassembly 1. Remove the screw 1 , and then remove the presser foot vertical pin 1 . 2. Remove the screw 2 , and then remove the presser foot vertical bush 2 . 3. Remove the screw 3 , and then remove the presser foot cushion...

2 - 48 Main unit Upper shaft unit 9 Thread take-up driving lever disassembly 1. Remove the screw 1 , and then remove the thread take-up differential lever 1 and the spacer. 2. Remove the thread take-up roller pin 2 from the thread take-up differential lever assembly, and then remove the roller. 3. R...

2 - 49 Upper shaft unit Main unit Disassembly 10 Main shaft sensor final assembly removal 1. Remove the screw 1 , and then remove the main shaft sensor final assembly. 2. Remove the screw 2 , and then remove the main shaft sensor assembly from the sensor holder. 2 1 11 Crank rod removal 1. Remove th...

2 - 50 Upper shaft unit Main unit 12 Pressure foot driving shaft assembly removal 1. Remove the 2 screws 1 , and then remove the 2 bushing pressers. 2. Remove the pressure foot driving shaft assembly 1 . 3. Remove the 2 felts 2 from the metal collar on the arm bed. 1 1 2 13 Presser foot driving shaf...

2 - 51 Upper shaft unit Main unit Disassembly 14 Upper shaft assembly removal 1. Remove the 4 screws 1 , and then remove the 2 metal pressers. 2. Remove the upper shaft final assembly 1 . *Key point • Be careful not to damage the encoder. 3. Remove the 2 felts 2 from the metal collar on the arm bed....

2 - 53 Lower shaft unit Main unit Disassembly 1 Arm bed and base frame disconnection 1. Mark the position where the arm bed is attached to the base frame. Mark the position on the base frame. *Key point • Marking prevents miss-location during re-assembly. 2. Remove the 4 screws 1 and the 4 plain was...

2 - 54 Main unit Lower shaft unit 4 Lower shaft removal 1. Remove the 4 screws 1 , and then remove the 2 bushing pressers. 2. Remove the 2 collar screws 2 , and then remove the lower shaft 1 , lower shaft metal F, set collar, thrust wafer 7.24, lower shaft metal R, and secondthrust wafer 7.24. 3. Re...

2 - 56 Main unit Power unit 1 Power switch assembly and inlet removal 1. Remove the 3 screws 1 and the 3 cord clamps (NK-6N), and then remove the power PCB assembly's lead wire, USB lead wire assembly, Y-areasensor assembly's lead wire, and power unit lead wire assembly from thebase frame. 2. Remove...

2 - 57 Power unit Main unit Disassembly 2 USB PCB assembly and Y-area sensor assembly removal 1. Remove the 2 screws 1 and the 2 cord clamps (NK-6N), and then remove the USB PCB's lead wire and the Y-area sensor's lead wire from the baseframe. 2. Remove the 2 screws 2 , and then remove the Y-area se...

2 - 58 Power unit Main unit 3 Power PCB assembly removal 1. Remove the 3 screws 1 , and then remove the PCB holder final assembly. 1 4 Power PCB disassembly 1. Disconnect the power lead wire assembly 1 from the power PCB assembly 100 (or 200). 2. Remove the 4 screws 1 , and then remove the power uni...

2 - 59 Power unit Main unit Disassembly 5 Adjust-bolt removal 1. Remove the 4 adjust-bolt assemblies 1 from the base frame. 2. Remove the 4 nuts (2, M8) from the 4 adjust-bolt assemblies.3. Remove the 2 screws 1 , and then remove the handle 2 . (4 locations) 4. Remove the 2 bushes 3 from the handle ...

2 - 61 Thread cut unit Main unit Disassembly 1 Picker disassembly 1. Remove the retaining ring E2, and then remove the washer and the picker link 1 . 2. Remove the screw 1 , and then remove the picker sensor assembly. 3. Remove the 2 retaining rings E2, 2 plain washers S3, rack assembly, and 2 plain...

2 - 62 Main unit Thread cut unit 2 Cutter unit disassembly (Step 1) 1. Remove the retaining ring E2, and then remove the lever link assembly. 2. Remove the screw 1 , and then remove the thread cutter sensor assembly (white). 3. Remove the 2 screws 2 , separate the cutter bracket 1 from the CT motor ...

2 - 63 Thread cut unit Main unit Disassembly 3 Cutter unit disassembly (Step 2) 1. Remove the lever gear 1 . 2. Remove the retaining ring E2, and then remove the initial gear. 3. Remove the 2 screws 1 , and then remove the thread cutter motor assembly. 1 1 Retaining ring E2

2 - 65 Thread tension unit Main unit Disassembly 1 Loosen the tension nut removal 1. Loosen the tension nut 1 , and then remove the washer 2 , spring , tension disc presser 3 , tension disc felt 4 , rotary disc assembly 5 , and second tension disc felt 4 . (6 locations) NOTE • The thread tension was...

2 - 66 Thread tension unit Main unit 3 Inner thread eyelet base removal 1. Remove the 2 screws 1 , and then remove the inner thread eyelet base assembly from the tension base assembly. 2. Remove the tension axis cap 1 . (6 locations) 3. Loosen the thread guide tension axis 2 , and then remove the sp...

2 - 67 Thread tension unit Main unit Disassembly 5 Upper thread eyelet base removal 1. Remove the tension axis cap 1 . (6 locations) 2. Loosen the thread guide tension screw 2 , and remove the nut (2, M3). Then remove the thread guide tension plate, spring , and upper thread eyelet base. (6 location...

2 - 68 Main unit Thread tension unit 7 Antenna disassembly 1. Remove the 4 screws 1 , and then remove the 2 antennas A, 2 antennas B, and antenna E assembly from the antenna C assembly. 2. Remove the screws 23 from the antenna C assembly. 3. Remove the retaining ring E5, separate the antenna C assem...

2 - 70 Main unit Thread tension unit 10 Thread take-up lever cover disassembly (Step 1) 1. Remove the 4 screws ( 1 2 , 2 each), and then remove the thread holder base assembly and the thread guide back cover. 2. Remove the screw 3 , and then remove the cutter cover assembly from the thread holder ba...

2 - 72 Main unit Thread tension unit 12 Thread take-up bracket disassembly *Key point • Disassemble the six thread take-up bracket assemblies. 1. Remove the screw 1 , and then remove the thread guide wire and the thread guard. 2. Remove the screw 2 , and then remove the thread catching spring case a...

2 - 74 Operation panel Main unit 1 FD assembly removal 1. Remove the 4 screws 1 and the screw 2 , and then remove the FD assembly from the operation panel assembly. 1 2 1 2 FD disassembly (Step 1) 1. Remove the 3 screws 1 , and then remove the FD case assembly from the FD cover. 2. Remove the 3 scre...

2 - 75 Operation panel Main unit Disassembly 3 FD disassembly (Step 2) 1. Unlock the FD PCB assembly's connector 1 , and then disconnect the FFC (SML2CD-FDD) from the FD PCB assembly. 2. Remove the 3 screws 1 , and then remove the FD PCB assembly. 3. Remove the 4 screws 2 , and then remove the FD un...

2 - 76 Operation panel Main unit 5 Operation panel lever disassembly (Step 1) 1. Remove the thumb bolt (M4 L) 1 , spring washer (2-4), and plain washer (M4). (2 locations) 2. Remove the retaining ring E6 inside the operation panel lever A, and then remove the operation panel holder shaft. 3. Remove ...

2 - 77 Operation panel Main unit Disassembly 7 Operation panel B removal 1. Remove the 4 screws 1 , and then remove the operation panel B from the operation panel A assembly. 2. Push the panel lead wire assembly A and the cord bush (KR51) 1 from inside the operation panel B to force them out of the ...

2 - 78 Main unit Operation panel 8 Panel PCB assembly removal 1. Remove the UBS lead wire assembly A 1 and the panel lead wire assembly A 2 from the panel PCB assembly. 2. Unlock the panel PCB assembly's connector 3 , and then disconnect the touch panel's lead wire and the LCD cable from the panel P...

2 - 79 Operation panel Main unit Disassembly 9 LCD removal 1. Disconnect the inverter lead wire 1 from the inverter (IM4302). 2. Remove the 2 screws 1 , and then remove the inverter (IM4302) from the operation panel A. 3. Remove the lead wire (LCDM8M64) 2 from the inverter (IM4302). 4. Remove the 4 ...

2 - 80 Main unit Operation panel 11 Button removal 1. Remove the 3 screws 1 , and then remove the switch PCB assembly from the operation panel A. 2. Remove the SS button 1 , operation button 2 , and thread cut button 3 from the operation panel A. 1 2 3 2

3 - 1 3 Assembly Main unit Operation panel ................................ 3 - 2 Thread tension unit ......................... 3 - 12 Thread cut unit................................ 3 - 22 Power unit....................................... 3 - 26 Lower shaft unit .............................. 3 - 3...

3 - 3 Operation panel Main unit Assembly 1 Button attachment 1. Attach the SS button 1 , operation button 2 , and thread cut button 3 to operation panel A. 2. Attach the switch PCB assembly 4 with the 3 screws 1 . 1 Torque 0.39 – 0.79 N-m 3 2 1 1 4 Taptite, Bind B M 3X8 Color; Gold 2 Touch panel att...

3 - 4 Operation panel Main unit 3 LCD attachment 1. Connect the LCD cable to the LCDM (LM8M64) and lock the connector. *Key point • Connect the LCD cable so that the blue face of the cable is on the front side. 2. Attach the LCDM (LM8M64) to operation panel A with the 4 screws 1 . 3. Connect the lea...

3 - 5 Operation panel Main unit Assembly 4 Panel PCB assembly attachment 1. Attach the panel PCB assembly to board case A with the 4 screws ( 1 2 , 2 each). 2. Attach board case A and the panel PCB assembly to the operation panel A assembly with the 5 screws 3 . 3. Connect the switch PCB assembly's ...

3 - 6 Main unit Operation panel 5 Operation panel B attachment 1. Insert the 2 lugs 1 on board case B to the corresponding holes on board case A to attach board case B to board case A. 2. Tighten the 2 screws 1 . (Tighten one of these 2 with panel lead wire assembly A's grounding wire.) 3. Thread pa...

3 - 8 Main unit Operation panel 8 Operation panel lever assembly attachment 1. Insert the operation panel holder into the groove 1 on the operation panel final assembly to attach the operation panel final assembly to the operationpanel holder. 2. Tighten the 4 screws ( 1 2 , 2 each). 1 Torque 0.78 –...

3 - 9 Operation panel Main unit Assembly 9 FD assembly (Step 1) 1. Connect the FFC (SML2CD-FDD) 1 to the FD unit (FDDFD-05HG- 5661), and then lock the connector. *Key point • Connect the FFC (SML2CD-FDD) so that the silver terminal surface is on the FD unit side. 2. Attach the FD unit (FDDFD-05HG-56...

3 - 10 Main unit Operation panel 10 FD assembly (Step 2) 1. Attach gasket D 1 and gasket E 2 to FD case B. 2. Insert the lug on FD case B 3 to the hole on FD case A to attach FD case B to FD case A, and then tighten the 3 screws 1 . 3. Attach the FD case assembly to the FD cover, and then tighten th...

3 - 11 Operation panel Main unit Assembly 11 FD assembly attachment 1. Attach the FD assembly to the operation panel assembly, aligning the FD assembly's connector with the operation panel assembly's connector. 2. Tighten the 4 screws 1 and the screw 2 . 1 Torque 0.39 – 0.78 N-m 2 Torque 1.18 – 1.57...

3 - 13 Thread tension unit Main unit Assembly 1 Thread take-up bracket assembly *Key point • Make 6 thread take-up bracket assemblies. 1. Attach the spring to the thread catching spring case 1 . *Key point • There are 4 holes on the spring case. Insert the tip of the spring into the hole indicated b...

3 - 14 Main unit Thread tension unit 2 Thread take-up lever cover assembly (Step 1) 1. Attach the thread take-up bracket assembly 2 to the thread guide cover 1 . (6 sets) 2. Attach the 6 thread guide cover assemblies 3 to the thread tension bracket base 4 with the 6 screws 1 . 3. Secure the thread t...

3 - 15 Thread tension unit Main unit Assembly 3 Thread take-up lever cover assembly (Step 2) 1. Attach the 6 needle thread presser plates 2 and the 6 springs to the thread holder base 1 , and then attach the 6 retaining rings E1.5. 2. Attach the NT lower thread cutter to the cutter cover 3 , and the...

3 - 17 Thread tension unit Main unit Assembly 6 Antenna assembly (Step 1) 1. Attach the retaining ring E5 to the antenna shaft 1 . 2. Attach the antenna C assembly 3 to antenna D 2 , thread the antenna shaft assembly through them, and then attach the retaining ring E5 3. Secure the antenna C assembl...

3 - 18 Thread tension unit Main unit 8 Antenna assembly attachment 1. Attach the antenna assembly to the thread stand base assembly with the 4 screws 1 . Tightening torque of thread guide tension screw 0.59 – 0.78 N-m 1 Torque 1.18 – 1.57 N-m 1 1 Screw, Bind M 4X6 Color; Silver 9 Upper thread eyelet...

3 - 19 Thread tension unit Main unit Assembly 10 Thread sensor PCB assembly and head PCB assembly attachment 1. Connect the FFC (SML2CD-H) 2 to the thread sensor assembly 1 . (6 locations) *Key point • Connect the FFC (SML2CD-H) so that the blue surface is facing the thicker portion of the thread se...

3 - 20 Thread tension unit Main unit 11 Inner thread eyelet base attachment 1. Attach the thread guide tension plate 2 to the inner thread eyelet base 1 . (6 locations) 2. Thread the thread guide tension axis 3 through the spring , and then secure the guide tension axis to the inner thread eyelet ba...

3 - 21 Thread tension unit Main unit Assembly 13 Tension base lead wire assembly attachment 1. Connect the tension base lead wire assembly 1 to the head PCB assembly. 2. Attach the cord bush (KR51) 2 to the tension base lead wire assembly, and then push it into the groove 3 on the tension base brack...

3 - 23 Thread cut unit Main unit Assembly 1 Cutter unit assembly (Step 1) 1. Apply MOLYKOTE EM-30L grease to the CT motor bracket assembly's shaft 1 . 2. Attach the thread cutter motor assembly 2 to the CT motor bracket assembly with the 2 screws 1 . 3. Attach the initial gear 3 to the motor bracket...

3 - 25 Thread cut unit Main unit Assembly 3 Picker assembly 1. Attach the picker motor assembly 1 to the PK motor bracket assembly with the 2 screws 1 . 2. Attach the 2 retaining rings E2 to the PK motor bracket's shaft 2 (2 locations). 3. Apply MOLYKOTE EM-30L grease to the rack assembly's moving s...

3 - 27 Power unit Main unit Assembly 1 Adjust bolt attachment 1. Attach the 2 bushes 2 to the handle 1 . (4 locations) 2. Attach the handle to the base frame with the 2 screws 1 . (4 locations) 3. Attach the 4 nuts (2, M8) 4 to the 4 adjust bolts (M8) 3 . *Key point • Lightly tighten the nut (2, M8)...

3 - 28 Main unit Power unit 2 Power PCB assembly 1. Attach the power PCB assembly and the insulation sheet 2 to the power unit cover 1 with the 4 screws 1 . 2. Attach the power unit cover assembly to the power unit stay 3 with the 4 screws 2 . 3. Connect the power lead wire assembly 4 to the power P...

3 - 29 Power unit Main unit Assembly 3 Power PCB assembly attachment 1. Temporarily tighten the 3 screws 1 in the attachment holes on the PCB holder at the bottom of the base frame 2. Run the PCB holder final assembly's lead wire and the power supply's lead wire through the 2 cord holes 1 on the bas...

3 - 30 Power unit Main unit 4 USB PCB assembly and Y-area sensor assembly attachment 1. Attach the USB PCB assembly 2 to the USB PCB holder 1 with the 2 screws 1 . 2. Attach the USB PCB cover 3 to the USB PCB holder assembly with the 2 screws 2 . 3. Attach the USB PCB holder assembly to the base fra...

3 - 31 Power unit Main unit Assembly 5 Power switch assembly and inlet attachment 1. Connect the free end of the 2 power lead wire assemblies 1 (one end is connected to the power PCB assembly) to the power switch assembly 2 . *Key point • Connect each of the power lead wires to the terminal adjacent...

3 - 33 Lower shaft unit Main unit Assembly 1 Lower shaft attachment 1. Apply turbine oil to the 2 felts 1 . 2. Attach the felt to the lower shaft metal collars on the arm bed. (2 locations)3. Thread the lower shaft gear 2 through the lower shaft, align the lower shaft end face with the lower shaft g...

3 - 34 Lower shaft unit Main unit 2 Idle pulley assembly 1. Apply MOLYKOTE EM-30L grease to the shaft hole 1 on the idle pulley. 2. Attach the retaining ring E7 to the idle pulley shaft 2 . 3. Attach the thrust washer 3 , idle pulley 4 , thrust washer 3 , and set collar 5 to the idle pulley shaft. 4...

3 - 35 Lower shaft unit Main unit Assembly 4 Connection of arm bed and base frame 1. Attach the arm bed 1 to the base frame, and temporarily tighten the 4 screws 1 and 4 plain washers M8. 2. Align the arm bed with the marking on the base frame, and firmly tighten the 4 screws 1 . *Key point • Attach...

3 - 37 Upper shaft unit Main unit Assembly 1 Upper shaft assembly attachment 1. Apply turbine oil to the 2 felts 1 . 2. Attach the felts to the lower shaft metal collars on the arm bed. (2 locations) 3. Hang the T-belt (S5M-525) currently on the lower shaft over the timing pulley of the upper shaft ...

3 - 38 Main unit Upper shaft unit 2 Presser foot driving shaft assembly 1. Attach the thrust washer and the presser foot lever shaft to the presser foot connecting rod 1 . 2. Align the screw hole on the presser foot driving shaft assembly with the presser foot lever shaft's D-cut face 2 , and secure...

3 - 39 Upper shaft unit Main unit Assembly 3 Presser foot driving shaft assembly attachment 1. Apply turbine oil to the 2 felts 1 . 2. Attach the felts to the lower shaft metal collars on the arm bed. (2 locations) 3. Align the presser foot driving shaft assembly's 2 2 lower shaft metals with the lo...

3 - 40 Main unit Upper shaft unit 4 Crank rod assembly attachment 1. Attach the crank rod assembly 2 to the thread take-up cam 1 , and secure them with the 2 screws 1 . *Key point • Align the crank rod assembly's D cut face 3 with screw hole 1 4 . 2. Firmly tighten the screw 2 . *Key point • Screw 2...

3 - 41 Upper shaft unit Main unit Assembly 5 Main shaft sensor final assembly attachment 1. Attach the main shaft sensor assembly 1 to the sensor holder 2 with the screw 1 . 2. Attach the main shaft sensor final assembly 3 to the arm bed with the screw 2 . *Key point • Rotate the pulley 360 degrees,...

3 - 42 Main unit Upper shaft unit 6 Thread take-up driving lever final assembly 1. Attach the roller 2 to the thread take-up differential lever 1 , and tighten the thread take-up roller pin 3 . 2. Attach the spacer 4 to the thread take-up differential lever, and temporarily tighten the screw 1 . 3. ...

3 - 43 Upper shaft unit Main unit Assembly 7 Thread take-up driving lever final assembly attachment 1. Attach the thread take-up driving lever final assembly 1 to the arm bed with the 2 screws 1 . *Key point • Align the roller 2 with the groove 3 on the thread take-up cam. • Press the bottom of the ...

3 - 44 Main unit Upper shaft unit 8 Presser foot vertical base final assembly 1. Attach the presser foot cushion base 2 to the presser foot vertical base 1 with the screw 1 . 2. Thread the presser foot vertical bush 3 through the presser foot vertical base assembly, and then tighten the screw 2 . 3....

3 - 45 Upper shaft unit Main unit Assembly 9 Vertical set assembly 1. Attach the J cushion base 2 to the J bracket 1 with the 2 screws 1 . 2. Thread the J vertical bush 3 through the J bracket assembly, and then tighten the screw 2 . 3. Apply MOLYKOTE EM-30L grease to the circumference of the J vert...

3 - 46 Upper shaft unit Main unit 10 Base needle bar attachment 1. Apply MOLYKOTE EM-30L grease to the shaft 1 and the hole 2 of the J-clamp final assembly and the presser foot vertical base assembly. 2. Attach the base needle bar 3 , J vertical set assembly 4 , and presser foot vertical base assemb...

3 - 47 Upper shaft unit Main unit Assembly 11 Driving jump assembly (1) 1. Attach the J cushion pin 2 and the J cushion 3 to the J base assembly 1 , and then tighten the screw 1 . 2. Apply MOLYKOTE EM-30L grease to the shaft hole 4 on the J base assembly. 3. Thread the spring through the shaft of th...

3 - 49 Upper shaft unit Main unit Assembly 13 Driving jump assembly attachment 1. Attach the driving jump assembly 1 to the arm bed with the 2 screws 1 . *Key point • Adjust the attachment position of the driving jump assembly so that the clearance 2 between the driving jump assembly's J driving lev...

3 - 50 Upper shaft unit Main unit 15 Main motor final assembly 1. Attach the motor cap 1 to the main motor assembly. 2. Attach the fender rubber 3 to the motor holder 2 . 3. Attach the 2 spacers (4 x 7) 4 to the fender rubber. 4. Attach the motor holder spacer 5 , motor holder assembly, and motor sp...

3 - 52 Main unit Needle bar unit 1 Case guide UL assembly 1. Attach the thread take-up guide 2 to the case guide UL 1 with the 2 screws 1 . *Key point • Check that these are attached in the direction shown in the photo. 1 Torque 1.18 – 1.57 N-m 1 1 2 Screw, Pan M4X8 Color; Silver

3 - 53 Needle bar unit Main unit Assembly 2 Case bracket assembly 1. Attach the 2 ball bearings 694 to the case bracket assembly 1 , and attach the 2 retaining rings E3. 2. Place the 4 washers (plain S, 4) in the case bracket assembly 1 , and then attach the case guide US 2 with the 4 screws 1 . *Ke...

3 - 54 Main unit Needle bar unit 3 Case bracket assembly attachment 1. Attach the case guide UL assembly 1 to the arm bed with the 2 screws 1 . 2. Place the slide roller in the V groove 2 on the case bracket assembly, slide the case bracket assembly horizontally to attach it to the case guide ULasse...

3 - 55 Needle bar unit Main unit Assembly 4 Case positioning plate assembly 1. Attach the ball bearing 694 assembly 2 to the case positioning plate 3 with the nut 2, M4 1 , spring washers 2-4, and plain washers M4. *Key point • Temporarily tighten the nut 2, M4 1 first. Firmly tighten them after com...

3 - 56 Main unit Needle bar unit 7 Needle bar attachment 1. Attach a screw 1 to each of the 6 needle bars 1 . 2. Apply MOLYKOTE EM-30L grease to the 12 insertion holes 2 on the needle bar case. 3. Attach the spring and the washer to the needle bar, and then thread the needle bar through the upper ho...

3 - 57 Needle bar unit Main unit Assembly 8 Thread take-up lever assembly 1. Attach the thread take-up boss 1 to the thread take-up lever 2 with the 2 screws 1 . (6 sets) *Key point • Apply ThreeBond 1401 to the screw 1 and then tighten it. Apply ThreeBond 1401. Size of a grain of rice 1 Torque 0.59...

3 - 58 Needle bar unit Main unit 9 Thread take-up lever assembly attachment 1. Attach the 2 thread take-up bushes 1 to the needle bar case assembly. 2. Apply MOLYKOTE EM-30L grease to the 6 shaft holes 2 on the thread take-up lever assembly. 3. Thread the thread take-up shaft 3 through the thread ta...

3 - 59 Needle bar unit Main unit Assembly 10 Case guide D attachment 1. Attach the case guide D 1 to the needle bar case assembly with the 2 screws 1 . 1 Torque 1.18 – 1.57 N-m 1 1 Bolt, Socket M4X16 Color; Black 11 Change roller base assembly attachment 1. Attach the change roller base assembly 1 t...

3 - 60 Needle bar unit Main unit 12 Needle bar case final assembly attachment 1. Rotate the pulley until the base line on the pulley is at the top.2. Apply MOLYKOTE EM-30L grease to the roller 1 of the thread take-up differential lever. 3. Attach the needle bar case final assembly to the case bracke...

3 - 62 Main unit Thread wiper unit 1 Wiper set assembly 1. Attach the wiper motor assembly 2 to the wiper base assembly 1 with the 2 screws 1 . 2. Attach the wiper link assembly 4 and the plain washer (M5) to the wiper lever 3 , and then attach the retaining ring E4. 3. Attach the wiper lever assemb...

3 - 63 Thread wiper unit Main unit Assembly 2 Wiper guide and wiper sensor attachment 1. Attach the wiper cushion 2 to the wiper guide 1 . 2. Attach the wiper guide assembly to the wiper base assembly with the 6 screws 1 . 3. Attach the wiper sensor assembly 3 to the wiper base assembly with the scr...

3 - 64 Thread wiper unit Main unit 3 Wiper set assembly attachment 1. Slightly rotate the wiper lever counterclockwise to create a clearance between the wiper lever dog and the wiper sensor assembly 1 . 2. Attach the wiper set assembly to the arm bed with the 2 screws 1 . *Key point ] • Route the wi...

3 - 65 Thread wiper unit Main unit Assembly 4 Thread presser base assembly 1. Attach the 2 thread presser spacers 2 and the thread presser cover assembly 3 to the thread presser base assembly 1 with the 2 screws 1 . 1 Torque 0.78 – 1.18 N-m 1 3 1 1 2 2 Screw, Pan M3X7 Color; Silver 5 Thread presser ...

3 - 67 Needle bar change unit Main unit Assembly 1 Change box assembly (Step 1) 1. Attach the C stop position dog 1 to the change camshaft 2 with the 2 screws 1 . *Key point • Align the change camshaft's end face (grooved) with the C stop position dog's end face. • Align the D-cut face 3 on the chan...

3 - 68 Main unit Needle bar change unit 2 Change box assembly (Step 2) 1. Attach the change gear 1 to the change camshaft. 2. Move the change gear toward the change cam, and secure it with the 2 screws 1 . *Key point • Align the screw hole on the change gear with the D-cut face on the change camshaf...

3 - 69 Needle bar change unit Main unit Assembly 3 Change box assembly (Step 3) 1. Attach the index motor assembly 1 to the change motor base 2 with the 2 screws 1 . 2. Attach the change motor base assembly to the change box assembly with the 2 screws 2 . *Key point • Move the change motor base asse...

3 - 71 Needle thread unit Main unit Assembly 1 Thread motor assembly attachment 1. Attach the base plate assembly 2 to the thread guide base 1 with the 2 screws 1 . *Key point • Firmly tighten the 2 screws 2 after completing 4 - 25 "Needle threader adjustment (up/down)." 2. Attach the thread...

3 - 72 Needle thread unit Main unit 2 Rack assembly and hook holder link attachment 1. Attach the hook holder link 1 to the rack assembly's shaft, and then attach the retaining ring E3. 2. Apply MOLYKOTE EM-30L grease to the gear face 2 and the connecting face on the rack assembly, and the hook hold...

3 - 73 Needle thread unit Main unit Assembly 4 Needle thread assembly attachment 1. Attach the needle thread assembly 1 with the 6 screws 1 . Start movie clip (CD-ROM version only) 1 Torque Hand start 1 1 1 Taptite, Bind S M 4X10 Color; Gold

3 - 75 Feed unit Main unit Assembly 1 Connect PCB final assembly 1. Bend the FFC (SML2CD-Y) 90 degrees at a point 55 mm from the tip. 2. Attach the sheet 2 and the FFC (SML2CD-Y) 3 to the PCB holder 1 with the screw 1 . 3. Attach the connect PCB assembly 4 to the PCB holder assembly with the screw 2...

3 - 76 Main unit Feed unit 2 Y-carriage R assembly 1. Attach the linear bearing 10 2 to bearing case Y 1 , and then attach the 2 external retaining rings C19. 2. Attach the 2 bearing case Y assemblies to Y-carriage R 3 with the 8 screws 1 . 1 Torque 0.78 – 1.18 N-m External retaining rings C19 1 1 3...

3 - 77 Feed unit Main unit Assembly 3 Y-carriage L assembly 1. Attach the linear bearing 10 2 to bearing case Y 1 , and then attach the 2 external retaining rings C19. (2 sets) 2. Attach the 2 bearing case Y assemblies to Y-carriage L 3 with the 8 screws 1 . 3. Attach the X-motor assembly 4 to Y-car...

3 - 78 Main unit Feed unit 4 Feed frame assembly attachment 1. Attach the 2 cap connections 1 to the feed frame with the 4 screws 1 . (2 locations) 2. Temporarily attach the Y-carriage R assembly 2 and the Y-carriage L assembly 3 to the feed frame assembly with the 4 screws 2 . 3. Attach the Y-drivi...

3 - 79 Feed unit Main unit Assembly 5 T-belt (X-drive) attachment 1. Hang the T-belt B60S796 3 over the Y driving gear pulley assembly 1 and the tension pulley plate final assembly 2 , and then secure the tension pulley plate final assembly to the feed frame assembly with the 2 screws 1 . *Key point...

3 - 80 Main unit Feed unit 6 X-guide shaft attachment 1. Attach the linear bearing (12) 2 to bearing case X 1 , and then attach the 2 external retaining rings C21. (2 sets) 2. Attach the X-roller 3 to the bearing case X assembly, and then attach the retaining ring E4. (2 sets) 3. Apply MOLYKOTE EM-3...

3 - 81 Feed unit Main unit Assembly 7 Hoop sensor attachment 1. Attach the spring to the X-carriage A assembly. 2. Attach the hoop sensor assembly 2 to the X-carriage A assembly with the nut 1 and plain washer (S6), and then thread the hoop sensor assembly's shaft through the spring . 3. Attach the ...

3 - 82 Main unit Feed unit 8 X-sensor dog attachment 1. Attach the caution 1 to the X-carriage 2 with the 2 screws 1 . NOTE • The X sensor dog bends easily. Handle it carefully. 2. Bend the FFC (SML2CD-X) 3 90 degrees at a point 60 mm from the tip. 3. Attach the FFC (SML2CD-X) and the sheet 4 to X-c...

3 - 83 Feed unit Main unit Assembly 9 X-carriage A assembly and X-carriage B assembly attachment 1. Attach the X-carriage B assembly 1 to the 2 bearing case X final assemblies 2 attached to the X-shaft with the 4 screws 1 . 2. Attach the hoop PCB assembly 3 to the X-carriage B assembly with the scre...

3 - 84 Feed unit Main unit 10 X-feed frame B attachment 1. Apply MOLYKOTE EM-30L grease to the surface 1 where the X-feed frame contacts the X-roller. 2. Attach the X-feed frame B 2 to the feed frame assembly with the 4 screws ( 1 2 , 2 each). *Key point • No clearance is allowed between X-carriage ...

3 - 85 Feed unit Main unit Assembly 11 Y-frame spacer and X-belt presser attachment 1. Attach the 2 Y-frame spacers 1 to X-carriage B with the 4 screws 1 . 2. Align the X-belt presser 2 with the highest point of the T-belt, and then attach the X-belt presser to X-carriage B. Secure them with the scr...

3 - 86 Feed unit Main unit 12 FFC and X-area sensor assembly attachment 1. Bend the free end of the FFC (SML2CD-X) connected to the hoop PCB assembly 90 degrees at two points, connect it to the X-area sensorassembly 1 , and lock the connector. 2. Connect the FFC (SML2CD-C) 2 to the X-area sensor ass...

3 - 87 Feed unit Main unit Assembly 13 Cord grip attachment 1. Connect the FFC (SML2CD-C) 1 to the connect PCB, and lock the connector. 2. Connect the X-feed motor's lead wire to the connect PCB. 3. Bind the X-feed motor's lead wire and the FFC (SML2CD-C) with the cord grip 2 , and then tighten the ...

3 - 88 Feed unit Main unit 14 Y driving shaft assembly attachment 1. Apply turbine oil to the 2 felts 1 . 2. Attach the felts to the metal collars on the base frame. (2 locations)3. Attach the Y driving shaft assembly 2 to the base frame. 4. Secure the 2 metal pressers A 3 with the 2 screws 1 . 5. A...

3 - 89 Feed unit Main unit Assembly 15 Y-motor final assembly 1. Attach the Y-motor final assembly 1 to the Y-motor stay 2 with the 2 screws 1 . 1 Torque 0.59 – 0.78 N-m 1 1 2 Screw, Pan (S/P washer) M3X6DA Color; Gold

3 - 90 Feed unit Main unit 16 Y motor final assembly attachment 1. Attach the Y motor final assembly 1 to the base frame with the 2 screws 1 . *Key point • Adjust the backlash of the Y motor gear and the Y-guide shaft gear to zero. • Make sure the Y motor gear and the Y-guide shaft gear are parallel...

3 - 91 Feed unit Main unit Assembly 17 Feed final assembly attachment 1. Attach the 2 Y-guide shafts 1 to the feed final assembly, and then attach the feed final assembly to the base frame. 2. Secure the 2 fixed Y-shaft plates with the 4 screws 1 (one each on left and right). 3. Pull the feed final ...

3 - 94 Main unit Main unit 1 Cutter unit final assembly and picker final assembly attachment 1. Attach the cutter unit final assembly 1 to the arm bed with the 2 screws 1 . 2. Attach the picker final assembly 2 to the arm bed with the 2 screws 2 . *Key point • Fully draw the feed final assembly towa...

3 - 95 Main unit Main unit Assembly 2 Rotary hook attachment 1. Attach the rotary hook 1 to the lower shaft with the 3 screws 1 . 1 Torque 0.78 – 1.18 N-m 1 1 Foot set screw 4.46 Color; 3 Picker bracket final assembly 1. Apply MOLYKOTE EM-30L grease to the picker assembly's shaft 1 . 2. Attach the p...

3 - 96 Main unit Main unit 5 Needle plate base assembly *Key point • After assembling the needle plate base, be sure to do 4 - 35 "Cutter knife engagement adjustment." 1. Attach the thread holding plate 1 to the needle plate base assembly with the screw 1 . 2. Attach the fixed knife 2 to the...

3 - 97 Main unit Main unit Assembly 6 Needle plate base assembly attachment 1. Attach the needle plate base assembly 1 to the arm bed with the 2 screws 1 . *Key point • Attach the needle plate base assembly 1 so that it is parallel to the arm bed. 2. Attach the cutter link assembly's shaft 2 while a...

3 - 98 Main unit Main unit 8 Tension base attachment 1. Attach the tension base assembly 1 to the needle bar case final assembly with the 4 screws 1 . 2. Attach the cord clamp (NK-4N) to the tension base cord at a point 125 mm from the tension base, and secure it to the arm bed with the screw 2 . 1 ...

3 - 99 Main unit Main unit Assembly 9 Thread take-up lever cover attachment 1. Attach the thread take-up lever cover 1 to the tension base assembly 2 with the 2 screws 1 . *Key point • Place the 2 tabs on the upper section of the thread take-up lever cover over the 2 holes 3 on the operator's side o...

3 - 100 Main unit Main unit 11 Spool stand frame final assembly attachment 1. Attach the 3 studs 1 to the top face of the arm bed. 2. Attach the spool stand frame final assembly 2 to the 3 studs with the 3 screws 1 . Tightening torque of stud: 1.18 - 1.57 1 Torque 1.18 – 1.57 N-m 1 2 1 Screw, Bind M...

3 - 101 Main unit Main unit Assembly 12 Main PCB assembly attachment 1. Attach the board holder U 1 and the board holder D 2 with the 4 screws 1 . 2. Attach the main PCB assembly 3 with the 4 screws 2 . 3. Connect the lead wires. Start movie clip (CD-ROM version only) 1 Torque 1.47 – 1.96 N-m 2 Torq...

3 - 102 Main unit Main unit 13 Oil box holder attachment 1. Attach the oil box holder 1 to the arm bed with the 2 screws 1 . 1 Torque 1.47 – 1.96 N-m 1 1 Taptite, Bind S M 4X10 Color; Gold 14 Base cover L attachment 1. Attach the groove cover A 2 and the groove cover B 3 to the rear of the base cove...

3 - 103 Main unit Main unit Assembly 15 Base cover R attachment 1. Attach the groove cover A 2 and the groove cover B 3 to the rear of the base cover R 1 . 2. Attach the groove cover C 5 to the rear of the base cover R lid 4 . 3. Attach the base cover R with the 3 screws 1 . *Key point • Fully draw ...

3 - 104 Main unit Main unit 16 Arm cover L attachment 1. Attach the arm cover L 1 with the 3 screws 1 and 2 . 2. Attach the 3 screw covers. Start movie clip (CD-ROM version only) 1 Torque 0.78 – 1.18 N-m 2 Torque 0.78 – 1.18 N-m 1 Out side In side 2 1 Screw, Pan (S/P washer) M 4X10DB Color; Silver T...

3 - 105 Main unit Main unit Assembly 17 Arm cover R attachment 1. Attach the arm cover R 1 with the 3 screws 1 . 2. Attach the arm cover R lid 2 with the 2 screws 2 . *Key point • Remove the operation panel assembly's thumb bolt M4S 3 before attaching the arm cover R lid. 3. Attach the 5 screw cover...

3 - 106 Main unit Main unit 18 Bed cover attachment 1. Attach the bed cover 1 and the bed cover top 2 to the arm bed with the 4 screws 1 . 2. Attach the spring 4 and the hinged door 5 to the bed cover bottom 3 . 3. Attach the bed cover lid 7 to the bed cover bottom assembly 6 with the 2 screws 2 . 4...

3 - 107 Main unit Main unit Assembly 19 Motor cover / carriage cover attachment 1. Attach the motor cover 1 with the 2 screws 1 . 2. Attach the carriage cover 2 to the X-guide with the screw 2 . 3. Attach the screw cover. Start movie clip (CD-ROM version only) 1 Torque 0.78 – 1.18 N-m 2 Torque 0.78 ...

4 - 1 4 Adjustment Precaution Adjustment flow ................................ 4 - 2 Inspection Bent needle ...................................... 4 - 3Blunt needle...................................... 4 - 4 Test mode Starting test mode / Selecting adjustment test mode 4 - 5Main board test mode ......

4 - 3 In s p ect ion and Ad ju s tme n t Inspection Bent needle 1. Place the needle on the surface plate (level block) to check that the needle is not bent. *Key point • Check all six needles. The gap with the block should be even. Level block

4 - 5 In s p ect ion and Ad ju s tme n t Test mode Starting test mode / Selecting adjustment test mode Starting test mode 1. Turn the [POWER] switch on with the [START/STOP] button, [THREAD CUT] button, [THREAD GUIDE] button simultaneously held down. Selecting adjustment test mode 1. Select the desi...

4 - 6 Test mode Main board test mode Test Mode Operation Manual NOTE • Note: After replacing the main board, you must set the picker motor over-pulses (See 8. in this manual) and adjust the frame sensor (See 11. in this manual). 1. Hold down the three mechanical switches on the operation panel ([STA...

4 - 7 In s p ect ion and Ad ju s tme n t Test mode 4. [MAIN MOTOR TEST] [MOVE ORIGIN POSITION] : Adjusts the angle of the main shaft to the needle top stop position. [ROTATE MAIN MOTOR] : Rotates the main shaft at the preset speed. [STOP MAIN MOTOR] : Stops the main shaft. [<] [>] : Sets the m...

4 - 9 In s p ect ion and Ad ju s tme n t Test mode 9. [THREAD SET MOTOR TEST] [MOVE ORIGIN POSITION] : Returns the thread motor to its origin. [MOVE THREAD SET MOTOR] : Performs needle threading. [CLOSE] : Closes the <THREAD SET MOTOR TEST> screen. 10. [SENSOR TEST] The status of each sensor (...

4 - 10 Test mode 12. [CASE MOTOR TEST] In addition to conduct the needle bar case motor test, the status of the thread breakage sensor is indicated using "H" or "L". (Abuzzer goes off when the status of the thread breakage sensor changes.)Needle bar data that has already been read vi...

4 - 12 Test mode Panel board test mode Starting test mode Hold down the [START/STOP], [THREAD CUT], and [THREAD GUIDE] buttons and turn the [POWER]switch on. The screen shown below appears. Select [PANEL BOARD TEST MODE]. When [PANEL BOARD TEST MODE] is selected, the menus shown below are displayed....

4 - 14 Test mode 1. Default Setting Select this mode to initialize the panel settings. Items to be initialized are listed below.[Editing information] [System setup data] • Language (reset to the factory-set language.)• Resumption (operation is not resumed even when suspension is released. Number of ...

4 - 15 In s p ect ion and Ad ju s tme n t Test mode How to read needle bar numbers on bar code When a main PCB is replaced, a needle bar number which is used for adjustment in test mode is displayed as "NODATA" on screen.In this case, see numbers printed on bar code which is stuck on needle ...

4 - 16 Adjustment Motor belt tension adjustment 1. Loosen the 2 screws 1 . 2. Move the motor holder up and down to adjust the motor belt tension. 3. Tighten the 2 screws 1 . Motor belt deflection when a load of approx. 0.98 N (100 g) is applied to the center of the motor belt 1.5 - 3.5 mm 1 Torque 1...

4 - 17 In s p ect ion and Ad ju s tme n t Adjustment Timing belt tension adjustment 1. Loosen the screw 1 . 2. Move the tension pulley right and left to adjust the timing belt tension. 3. Tighten the screw 1 . Timing belt deflection when a load of approx. 1.96 N (200 g) is applied to the center of t...

4 - 18 Adjustment Needle position adjustment (front/back) Front/back position adjustment 1. Enter the test mode, and press [MAIN BOARD TEST MODE] and then [NEEDLE POSITION]. 2. Press [[FRONT - BACK] POSITION]]. The reference needle bar is selected and the needle bar case final assembly moves. 3. Rot...

4 - 19 In s p ect ion and Ad ju s tme n t Adjustment Needle position adjustment (right/left) Right/left position adjustment 1. Enter the test mode, and press [MAIN BOARD TEST MODE] and then [NEEDLE POSITION]. 2. Press [[RIGHT - LEFT] POSITION]]. The reference needle bar is selected and the needle ba...

4 - 20 Adjustment Needle bar rising length and needle space adjustment 1. Enter the test mode, and press [MAIN BOARD TEST MODE] and then [NEEDLE SPACING]. 2. Press [[SPACING] POSITION]]. The reference needle bar for rising length adjustment is selected and the needle bar case final assembly moves. 3...

4 - 21 In s p ect ion and Ad ju s tme n t Adjustment Needle bar height adjustment 1. Rotate the pulley manually to move the needle bar until the needle's right edge matches the rotating hook's tip. 2. Loosen the screw 1 . 3. Adjust the needle bar height and alignment. 4. Tighten the screw 1 . 5. Rep...

4 - 22 Adjustment Rotary hook stopper clearance adjustment 1. Loosen the screw 1 and 2 . 2. Adjust the clearance between the rotary hook stopper and the rotary hook. 3. Tighten the screws 1 and 2 . Clearance between rotary hook stopper end face and rotary hook 0.65 - 0.95 mm 1 Torque 0.59 - 0.78 N-m...

4 - 23 In s p ect ion and Ad ju s tme n t Adjustment Presser foot height adjustment 1. Rotate the pulley manually to move the needle bar to the bottom point. 2. Loosen the screw 1 . 3. Adjust the presser hoot height. 4. Tighten the screw 1 . 5. Repeat the same steps to adjust the presser hoot height...

4 - 24 Adjustment Needle bar top dead center adjustment 1. Enter the test mode, and press [MAIN BOARD TEST MODE] and then [NEEDLE THREADER]. 2. Press [[RIGHT - LEFT] POSITION]]. The reference needle bar for needle threader right/left position adjustment is selected and the needle bar case final asse...

4 - 25 In s p ect ion and Ad ju s tme n t Adjustment Needle threader adjustment (up/down) Up/down position adjustment 1. Enter the test mode, and press [MAIN BOARD TEST MODE] and then [NEEDLE THREADER]. 2. Press [ ← ] or [ → ] to select the number 1 needle bar, and the needle bar case final assembly...

4 - 26 Adjustment Needle threader adjustment (right/left) Right/left position adjustment 1. Enter the test mode, and press [MAIN BOARD TEST MODE] and then [NEEDLE THREADER]. 2. Press [RIGHT - LEFT] POSITION]. The reference needle bar for needle threader right/left position adjustment is selected and...

4 - 30 Adjustment Picker activation adjustment 1. Remove the bobbin case. 2. Enter test mode and press [MAIN BOARD TEST MODE] and then [PICKER MOTOR TEST]. 3. Press [ ← ] or [ → ] to set "2" for [OVER PULSE]. 4. Press [MOVE ORIGIN MOTOR] to turn the picker off, and then attach the bobbin cas...

4 - 31 In s p ect ion and Ad ju s tme n t Adjustment Movable knife origin adjustment 1. Enter the test mode, and press [MAIN BOARD TEST MODE] and then [TRIM MOTOR TEST]. 2. Press [MOVE ORIGIN POSITION] to move the needle plate base assembly's movable knife to its origin. 3. Loosen the 2 screws 1 . 4...

4 - 32 Adjustment Thread presser base up/down position adjustment 1. Loosen the 4 screws 1 . 2. Adjust the vertical position of the thread presser base. 3. Tighten the 4 screws 1 . Clearance between wiper hook top face and thread presser cover 0 - 0.2 mm 1 Torque 1.18 - 1.57 N-m Screw, Bind M 4X6 Co...

4 - 33 In s p ect ion and Ad ju s tme n t Adjustment Hoop sensor adjustment 1. Attach the hoop stay assembly to the feed unit. 2. Enter the test mode, and press [MAIN BOARD TEST MODE] and then [A/D TEST]. 3. After the hoop stay assembly's LL-hoop has been attached, press [LL] to save the A/D value. ...

4 - 35 In s p ect ion and Ad ju s tme n t Adjustment Cutter knife engagement adjustment Check that the engagement load of the movable and fixed knives when the movable knife is pulled in thedirection shown in Figure 1 is within the specifications. If it is not within the specifications, adjust the l...

5 - 1 5 Failure Investigationfor Electronic Parts * Perform resistance measurements after turning off the power and detaching the connectors to be measured from the PCB. Error message list............................. 5 - 2The power is not turned on. .............. 5 - 3The touch panel does not work...

5 - 2 Failure Investigation for Electronic Parts Error message list Error message list See page Error message list See page Inappropriate needle stop position. 5 - 12 Can not use this card. 5 - 18 Needle bar case position error. 5 - 8 CompactFlash card read error. 5 - 18 Needle case motor has been l...

5 - 19 Fai lure Investigation fo r El ect ronic Part s Failure Investigation for Electronic Parts Universal serial bus (USB) cannot be used normally. Universal serial bus (USB) cannot be used normally. Connect it properly. N Y Y Is the USB cable properly connected to both the personal computer and t...

5 - 23 Fai lure Investigation fo r El ect ronic Part s Failure Investigation for Electronic Parts Error message Y-axis home position error (Dialog message) Connect it properly. N Y Change Y area sensor PCB. Does the machine function normally when the Y area sensor PCB is replaced with a reliable one...

5 - 24 Failure Investigation for Electronic Parts Error message • Main motor encoder signal error• Main motor encoder connect error (Dialog message) Change main shaft encoder. N Y Change Y area sensor PCB. Is the main shaft sensor's lead properly connected to CN17 on the main PCB? N Y Change main PC...

5 - 25 Fai lure Investigation fo r El ect ronic Part s Failure Investigation for Electronic Parts Error message Main motor current error (Dialog message) Connect it properly. N Y Change main shaft motor. Is the resistance between pins 1 and 2 of the main shaft motor 1.0 - 2.0 Ω when the motor's conn...

3.Maintenance point by end user(Every day) [Cleaning of Knives and Rotary hook] [Oil rotary hook] [Cleaning of bobbin case] • Remove the needle plate. Use the included cleaning brush to remove any lint and dust from knives and rotary hook. Maintenance Maintenance Maintenance Remove any lint and dust...

1. Left side of Base 2. Right side of Base USB LEAD WIRE Y sensor Lead wire shouldbe placed in depression partof base. Y DRIVING GEAR Y SENSOR LEAD WIRE Y DRIVING BELT (T BELT b60S3M579) CORD CLAMP A Y sensor Lead wire should bepassed through U-shape cut ofY sensor pcb. Fix Y sensor lead Wireand USB...

27. Lower part of main pcb 28. Bed SPIRAL TUBE 20-40mm less than30mm PICKER MOTOR LEAD TH CUTTER MOTOR LEAD WIRE POWER PCB LEAD WIRE less than50mm Picker motor lead wire should notbe slack. PICKER SENSOR LEAD WAIRE PICKER MOTOR LEAD WIRE LOWER SHAFT Attach a protectsheet