Page 1 Home Sewing Machine SERVICE MANUAL MODEL : BLDY/BLDY2 Published : Sep.,2014 CONFIDENTIAL Revised : Jun.,2016...
Page 3 LIST of UPDATE RECORD Date Added Models Contents Changed 4-13 May,2015 Added 4-52 to 55 Jun,2016 BLDY2...
Page 4: Table Of Contents
REGULATION ....................x SAFETY INFORMATION ................xii 1. Outline of Mechanism ................1 - 1 Main mechanisms ....................1 - 2 Driveline ......................1 - 3 Positions of electronic components ..............1 - 5 Control system block diagram ................1 - 7 Layout for PCB connectors ................1 - 8 Operation of other electronic components ............1 - 10 2.
Page 5 Removal of Thread drive unit assy ....................2 - 34 Removal of Needle-presser module ....................2 - 36 Assembly LED lamp / Upper driving mechanism .............2 - 37 Lubrication ............................2 - 38 Attachment of Needle-presser module ....................2 - 39 Attachment of Thread drive unit assy ....................2 - 40 Attachment of LED lamp holder R assy ..................2 - 42 Attachment of Laser module assy ....................2 - 43 Attachment of Upper shaft assy .......................2 - 44...
Page 6 Removal of USB cover, Head phone jack assy and Ground plate USB holder ......3 - 9 Removal of Panel PCB assy and Panel board holder ..............3 - 10 Removal of FC jack assy ......................3 - 12 Removal of LCD assy .........................3 - 13 Removal of Lamp cover L/R .......................3 - 15 Disassembly of Rear cover assy ......................3 - 16 Disassembly of Connector holder assy ....................3 - 17...
Page 7 Removal of Presser foot holder assy and BH switch assy ...............3 - 63 Removal of PT holder assembly and PF switch assy ..............3 - 64 Removal of PFPM insulation assy, PF INIT PCB assy and Presser PM holder ......3 - 65 Removal of Presser dial, Presser dial gear and Lock nut ..............3 - 66 Removal of Adjusting plate assy and Lift lever ................3 - 67 Removal of Z INIT PCB assy and Pulse motor Z ................3 - 68...
Page 8 Needle threading mechanism ................3 - 112 Lubrication .............................3 - 113 Attachment of Thread guide shutter link A/B/C ................3 - 114 Attachment of Tension release unit and ATPM insulation assy ............3 - 115 Attachment of Thread cutting shutter and Thread catching case A/B ...........3 - 116 Attachment of Plate assembly, ATPM sensor plate, AT INIT PCB assy and Thread guide ..3 - 117 Attachment of Thread guide wire and Upthread PCB assy ............3 - 118 Attachment of Thread guide cover assy ..................3 - 119...
Page 9 Attachment of Lift lever and Adjusting plate assy ................3 - 165 Attachment of Lock nut, Presser dial gear and Presser dial ............3 - 166 Attachment of Presser PM holder, PF INIT PCB assy and PFPM insulation assy .......3 - 167 Attachment of PF switch assy and PT holder assembly ..............3 - 168 Attachment of BH switch assy and Presser foot holder assy ............3 - 169 Attachment of Camera relay PCB assy ..................3 - 170...
Page 10 Motor belt tension ....................4 - 14 Fine tension .....................4 - 15 Upper thread tension ..................4 - 16 Upper shaft shutter angle ................4 - 17 Upper shaft cover position ................4 - 18 Front/back position of needle and presser foot ..........4 - 19 Left base line needle drop ................4 - 20 Needle clearance left/right ................4 - 21 Needle bar rising ....................4 - 22...
Page 11 5. Failure Investigation for Electronic Parts .........5 - 1 Error message list ....................5 - 2 Power does not come on ...................5 - 3 Pulse motors do not return to original position ..........5 - 5 Touch panel does not work ................5 - 7 Main motor does not turn ...................5 - 8 Main motor rotation error .................5 - 10 Cannot sew pattern normally ................5 - 11...
Page 12 6. Maintenance ..................6 - 1 How to reset counter of the maintenance ............6 - 2 Necessary grease & oil ..................6 - 3 Maintenance point .....................6 - 4 7. Special Instructions of Wiring ............7 - 1 Module wiring ..................7 - 2 Main body wiring ................7 - 6 Front cover wiring .................7 - 20 Embroidery unit wiring ..............7 - 25...
Page 13: Regulation
REGULATION  LASER SAFETY (For U.S.A. only) This sewing machine is certified as a Class 1 laser product under the US Department of Health and Human Services (DHHS) Radiation Performance Standard according to the Radiation Control for Health and Safety Act of 1968. This means that the sewing machine does not produce hazardous laser radiation.
Page 14  IEC 60825-1:2007 (For countries except U.S.A.) This sewing machine is a Class 1 laser product as defined in IEC 60825-1:2007 specifications. This sewing machine has a laser diode which emits visible laser radiation in the Laser module. Do not disassemble the Laser module.
Page 15: Safety Information
SAFETY INFORMATION  CAUTION FOR LASER PRODUCT CAUTION: When the machine during servicing is operated with the cover open, the regulations of VBG 93 and the performance instructions for VBG 93 are valid. CAUTION: In case of any trouble with the Laser module, replace the Laser module itself. To prevent direct exposure to the laser beam, do not try to disassemble the Laser module.
Page 16: Outline Of Mechanism
Outline of Mechanism Main mechanisms ............. 1 - 2 Driveline ..............1 - 3 Positions of electronic components......1 - 5 Control system block diagram........1 - 7 Layout for PCB connectors ........1 - 8 Operation of other electronic components ....1 - 10 1 - 1...
Page 17: Main Mechanisms
Outline of Mechanism Main mechanisms Main body Bobbin winder mechanism Upper shaft mechanism Thread tension mechanism Needle bar / Presser foot mechanism Lower shaft mechanism Side feed mechanism Feed dog drop mechanism Needle thread drive mechanism Thread cutting mechanism Feed / Rotary hook mechanism Embroidery unit Y guide shaft Y belt...
Page 18: Driveline
Outline of Mechanism Driveline (A) Up and down movement of needle bar, movement of thread take-up lever and zigzag movement of needle bar mechanism Thread take-up Unit shaft Joint Upper shaft Pulley counter weight Needle bar crank Thread take-up lever Needle bar crank rod Needle bar block Needle bar...
Page 19 Outline of Mechanism Driveline (B) Movement of feed dog and rotary hook Timing pulley D Timing belt Upper shaft pulley Upper shaft Pulley Lower shaft A Joint Feed module Lower shaft gear Lower shaft B Feed adjuster F pulse motor Outer rotary hook Feed arm B Feed arm A...
Page 20: Positions Of Electronic Components
Outline of Mechanism Positions of electronic components Main body Bobbin winder switch Bobbin winder motor Needle position sensor PCB Bobbin winder Upper unit relay PCB speed sensor Auto tension pulse motor Auto tension pulse motor Main PCB sensor PCB Upper thread sensor PCB Panel PCB Threader pulse motor...
Page 21 Outline of Mechanism Positions of electronic components Embroidery unit Embroidery frame detective PCB Embroidery relay PCB X pulse motor Y initial sensor PCB X initial sensor PCB Y pulse motor Y relay PCB 1 - 6...
Page 22: Control System Block Diagram
Outline of Mechanism Control system block diagram LCDM 10.1 inch Speaker jack Monaural speaker VR PCB Panel PCB LCD power B/L LED Monaural AMP Multi foot controller supply circuit constant Touch control IC TH PCB (2.5V, 3V, current (MFFC) 8.2V, 22V, circuit LPF AMP TH key...
Page 23 Outline of Mechanism Layout for PCB connectors The illustration below shows layout for Printed Board connectors.  Main PCB CN19 CN26 UPRELAY1 ATINT (Upper unit relay (Auto threader (Bobbin winder PCB 1) sensor PCB) motor sensor PCB) CN23 CN11 VANITY LED1 CN30 UTHRD...
Page 24 Outline of Mechanism Layout for PCB connectors  Panel PCB MFFC (FC jack) (Start/Stop switch PCB) (Start/Stop switch PCB) CN15 USB_H1 (Variable (USB2.0 resistance PCB) function) CN16 USB_H2 (Threader (USB2.0 switch PCB) function) CN18 (*Not used) CN17 USB_F (USB1.1 HOST) CN11 CAMERA (Camera relay...
Page 25: Operation Of Other Electronic Components
Outline of Mechanism Operation of other electronic components Start/Stop (SS) button....Button for starting and stopping the sewing machine. The machine operates at a slow speed while the button is being held down.
Page 26 Outline of Mechanism Operation of other electronic components Presser switch......This switch detects the vertical position of the presser foot lifter. BW (bobbin winder) switch .
Page 27 Basic of Disassembly/Assembly For repairing or replacing parts of this machine, refer to “CHAPTER 3: Application of Disassembly/Assembly”. Disassembly Preparation ........2 - 2 Main frame and covers ....2 - 3 Electric parts and Main motor unit... 2 - 15 Needle threading mechanism..
Page 28: Preparation
Basic of Disassembly Preparation Disconnecting cables and removing accessories • Needle • Presser foot • Needle plate cover • Bobbin • Power cord (if connected) • USB I/F core cable (if connected) • UW (sensor) pen (if connected) • Foot controller (if connected) Needle Presser foot Needle plate cover...
Page 29 Basic of Disassembly Main frame and covers Main frame and covers location diagram 2 - 3...
Page 30: Main Frame And Covers
Basic of Disassembly Main frame and covers Removal of Top cover unit assy and Accessory table assy 1. Remove the top cover unit assy from the machine. 2. Remove the accessory table assy from the machine.  Refer to 3 - 3 "Disassembly of Accessory table assy". Top cover unit assy Accessory table assy 2 - 4...
Page 31: Removal Of Needle Plate B Assy, Free Arm Cover And Free Arm Front Cover Assy
Basic of Disassembly Main frame and covers Removal of Needle plate B assy, Free arm cover and Free arm front cover assy 1. Remove the needle plate B assy.  Refer to 3 - 3 "Disassembly of Needle plate B assy". 2.
Page 32: Removal Of Face Plate Assy And Front Thread Guard Cover
Basic of Disassembly Main frame and covers Removal of Face plate assy and Front thread guard cover 1. Remove the two screw caps and the two screws (screw, pan (S/P washer) M4x8) from the face plate assy to remove it from the machine. ...
Page 33: Removal Of Belt Cover And Belt Cover Lower Assy
Basic of Disassembly Main frame and covers Removal of Belt cover and Belt cover lower assy 1. Remove the screw cover from the belt cover, and remove the two screw caps from the bobbin winder unit cover. 2. Remove the two screws (screw, bind M4x6) and screw (screw, pan (S/P washer) M4x10). Release the each hook of belt cover from the each cover to remove the belt cover.
Page 34: Removal Of Bobbin Winder Unit Cover Assy
Basic of Disassembly Main frame and covers Removal of Bobbin winder unit cover assy 1. Remove the two screw caps from the bobbin winder unit cover assy, and remove the five screws (screw, bind M4x6) from the bobbin winder unit cover assy. 2.
Page 35: Removal Of Front Cover Assy
Basic of Disassembly Main frame and covers Removal of Front cover assy 1. Remove the two screws (screw, bind M4x6) and screw (screw, pan (T washer) M3x6) from the front cover assy. 2. Release the hook A (front cover side) and B (rear cover side) from the hook tray C (rear cover side) and D (front cover side) respectively, to open the upper side of front cover assy, and release the three hooks E from the base plate to remove the front cover assy.
Page 36: Removal Of Rear Cover Assy
Basic of Disassembly Main frame and covers Removal of Rear cover assy 1. Remove the four screws (taptite, cup B M4x14), screw (screw, bind M4x6) and screw (screw, bind M3x4) from the rear cover assy. 2. Release the three hooks from the base plate to remove the rear cover assy. ...
Page 37: Removal Of Free Arm Plate And Base Plate Cover
Basic of Disassembly Main frame and covers Removal of Free arm plate and Base plate cover 1. Remove the two screws (taptite, bind S M4x10) to remove the free arm plate from the arm bed. 2. Remove the two screws (screw, bind M4x6) to remove the base plate cover from the base plate. Screw, bind M4x6 Base plate cover Base plate...
Page 38: Removal Of Knee Lifter Assembly, Connector Holder Assy And Uw Pen Connector Pcb Assy
Basic of Disassembly Main frame and covers Removal of Knee lifter assembly, Connector holder assy and UW pen connector PCB assy 1. Cut the band and disconnect the knee lifter assembly lead wire from the main PCB assy. Remove the two screws (screw, bind M4x6) to remove the knee lifter assembly from the base plate.
Page 39: Removal Of Led Pcb Holder A/B
Basic of Disassembly Main frame and covers Removal of LED PCB holder A/B 1. Release the clip to unbind the lead wires. Disconnect the lead wire assy LED1 from the main PCB assy and release the lead wire assy LED1 from the two guides. Then disconnect the two connectors of lead wire assy LED1 from the two LED PCB assy:work areas.
Page 40: Removal Of Upper Unit Relay Pcb Assy
Basic of Disassembly Main frame and covers Removal of Upper unit relay PCB assy 1. Disconnect the lead wire assy upper relay1 and the lead wire assy upper relay2 from the main PCB assy, and release them from securing fixtures, and disconnect them from the upper unit relay PCB assy.
Page 41 Basic of Disassembly Electric parts and Main motor unit Electric parts and Main motor unit location diagram 2 - 15...
Page 42: Electric Parts And Main Motor Unit
Basic of Disassembly Electric parts and Main motor unit Removal of Main PCB assy 1. Disconnect all the connector connected to the main PCB assy. 2. Remove the four screws (screw, pan (S/P washer) M4x10DB) to remove the two clips and the main PCB assy.
Page 43: Removal Of Main Motor Assembly
Basic of Disassembly Electric parts and Main motor unit Removal of Main motor assembly 1. Remove the T belt from the timing pulley of upper shaft assy and the motor T-pulley of main motor assembly. 2. Disconnect the connector of main motor assembly lead wire from the power PCB assy of power unit. 3.
Page 44: Removal Of Power Unit
Basic of Disassembly Electric parts and Main motor unit Removal of Power unit 1. Remove the power switch assy from the SW holder. Remove the screw (screw, pan (S/P washer) M4x8) to remove the inlet assy from the base plate. Remove the three screws (screw, pan (S/P washer) M4x10DB) to remove the clip and the power unit, and pull out the lead wire assy power-main and the lead wire assy motor drive from the hole of arm bed.
Page 45: Removal Of Spiral Tube
Basic of Disassembly Electric parts and Main motor unit Removal of Spiral tube 1. Release the each lead wire from the securing fixtures. 2. Remove the screw (screw, pan (S/P washer) M4x10DB) to remove the cord clamp, and then remove it from the spiral tube.
Page 46: Removal Of Extension If Pcb Assy
Basic of Disassembly Electric parts and Main motor unit Removal of Extension IF PCB assy 1. Release the extension IF PCB assy lead wire from the securing fixtures. 2. Remove the two screws (screw, bind M3x4) to remove the extension IF PCB assy from the extension connector holder U.
Page 47: Needle Threading Mechanism
Basic of Disassembly Needle threading mechanism Needle threading mechanism location diagram 2 - 21...
Page 48: Removal Of Led Lamp Holder L Assy
Basic of Disassembly Needle threading mechanism Removal of LED lamp holder L assy 1. Release the lead wire assy LED2 from the securing fixtures. 2. Remove the screw (screw, pan (P washer) M3x12) to remove the LED holder spacer from the LED lamp holder L assy.
Page 49: Removal Of Thread Unit Assy
Basic of Disassembly Needle threading mechanism Removal of Thread unit assy 1. Release the each lead wire of thread unit assy from the securing fixtures. 2. Remove the screw (screw, bind M4x8) to remove the front cover fixed plate from the thread unit assy. 3.
Page 50: Lower Driving Mechanism
Basic of Disassembly Lower driving mechanism Lower driving mechanism location diagram 2 - 24...
Page 51: Removal Of Side Feed Assy
Basic of Disassembly Lower driving mechanism Removal of Side feed assy 1. Release the clip to unbind the each lead wire. 2. Remove the screw (screw, bind M3x6) to remove the spring plate B and the washer from the side feed adjust plate.
Page 52: Removal Of Drop Unit Assy, Feed Module And Thread Cutter Module
Basic of Disassembly Lower driving mechanism Removal of Drop unit assy, Feed module and Thread cutter module 1. Remove the retaining ring E2.5 from the shaft of reversal link assy and two screws (taptite, bind S M4x10) to remove the drop unit assy from the arm bed. 2.
Page 53: Removal Of Lower Shaft A Assy
Basic of Disassembly Lower driving mechanism Removal of Lower shaft A assy 1. Remove the two screws (screw, pan (S/P washer) M3x6) to remove the belt support lower from the tension pulley holder B assy. 2. Remove the disk from the joint of lower shaft A assy. 3.
Page 54 Basic of Disassembly LED lamp / Upper driving mechanism LED lamp / Upper driving mechanism location diagram 2 - 28...
Page 55 Basic of Disassembly LED lamp / Upper driving mechanism Removal of Tension pulley assy 1. Remove the screw (upset M4x12DB) to remove the tension pulley assy from the tension pulley holder B assy. Upset M4X12DB Tension pulley holder B assy Tension pulley assy Upset M4x12DB 2 - 29...
Page 56: Led Lamp / Upper Driving Mechanism
Basic of Disassembly LED lamp / Upper driving mechanism Removal of Upper shaft cover 1. Remove the screw (taptite, bind B M3x8), and then remove the cord guide from the upper shaft cover. 2. Remove the three screws (screw, pan (S/P washer) M4x10DB) to remove the upper shaft cover from the arm bed.
Page 57: Removal Of Upper Shaft Assy
Basic of Disassembly LED lamp / Upper driving mechanism Removal of Upper shaft assy 1. Remove the three screws (set screw, socket (CP) M4x4) and two screws (set screw, socket (FT) M5x5) from the fixed joint. Slide the fixed joint to the direction of the arrow, and then remove the upper shaft assy.
Page 58: Removal Of Laser Module Assy
Basic of Disassembly LED lamp / Upper driving mechanism Removal of Laser module assy 1. Release the LM pulse motor lead wire and the lead wire assy laser module from the securing fixtures. 2. Remove the two screws (screw, pan (S/P washer) M3x11) to remove the laser module assy while pulling the film down.
Page 59: Removal Of Led Lamp Holder R Assy
Basic of Disassembly LED lamp / Upper driving mechanism Removal of LED lamp holder R assy 1. Remove the screw (screw, bind M3x6) to remove the LED holder spacer. 2. Remove the two screws (taptite, bind S M4x10) to remove the plate K and the LED lamp holder R assy from the arm bed.
Page 60: Removal Of Thread Drive Unit Assy
Basic of Disassembly LED lamp / Upper driving mechanism Removal of Thread drive unit assy 1. Release the two lead wires of thread drive unit assy and seven lead wires of needle-presser module from the securing fixtures. 2. Remove the two screws (taptite, bind B M4x10) to remove the cord guide from the needle-presser module.
Page 61 Basic of Disassembly LED lamp / Upper driving mechanism 3. Remove the two screws (taptite, bind B M4x10), and then remove the thread drive unit assy from the needle-presser module. Taptite, Bind B M4X10 Thread drive unit assy Needle-presser module Taptite, bind B M4x10 2 - 35...
Page 62: Removal Of Needle-Presser Module
Basic of Disassembly LED lamp / Upper driving mechanism Removal of Needle-presser module 1. Remove the two screws (screw, bind M4x8) to remove the IMT holder. 2. Remove the screw (screw, pan (washer) M3x18) from the needle-presser module. 3. Remove the two screws (taptite, bind S M4x10) to remove the presser plate A, and then remove the two screws (taptite, bind S M4x10) to remove the presser plate B.
Page 63: Led Lamp / Upper Driving Mechanism
Basic of Assembly LED lamp / Upper driving mechanism LED lamp / Upper driving mechanism location diagram 2 - 37...
Page 64: Lubrication
Basic of Assembly LED lamp / Upper driving mechanism Lubrication Lubrication point Lubricating oil type Quantity of lubrication Felt 1 place FBK OIL RO 100 1 to 2 drops Felt 2 - 38...
Page 65: Attachment Of Needle-Presser Module
Basic of Assembly LED lamp / Upper driving mechanism Attachment of Needle-presser module 1. Attach the retaining ring E5 to the shaft, and then attach the shaft to the needle-presser module. 2. Set the needle-presser module to the mounting position of arm bed, and align the positioning hole of adjusting plate assy with the boss of arm bed.
Page 66: Attachment Of Thread Drive Unit Assy
Basic of Assembly LED lamp / Upper driving mechanism Attachment of Thread drive unit assy 1. Set the rack to the lever AB, and attach the thread drive unit assy to the needle-presser module with the two screws (taptite, bind B M4x10). Taptite, Bind B M4X10 Lever AB Rack...
Page 67 Basic of Assembly LED lamp / Upper driving mechanism 2. Pass the Z INIT PCB assy lead wire through the guide hole of cord guide, and pass the PT holder assembly lead wire, the pulse motor lead wire, and the BH switch assy lead wire through the securing fixtures.
Page 68: Attachment Of Led Lamp Holder R Assy
Basic of Assembly LED lamp / Upper driving mechanism Attachment of LED lamp holder R assy 1. Attach the LED lamp holder R assy and the plate K to the arm bed with the two screws (taptite, bind S M4x10). ...
Page 69: Attachment Of Laser Module Assy
Basic of Assembly LED lamp / Upper driving mechanism Attachment of Laser module assy 1. Connect the lead wire assy laser module to the laser module assy. 2. Attach the laser module assy to the thread drive unit assy with the two screws (screw, pan (S/P washer) M3x11) while pulling the film down.
Page 70: Attachment Of Upper Shaft Assy
Basic of Assembly LED lamp / Upper driving mechanism Attachment of Upper shaft assy 1. Set the felt to the arm bed. 2. Hang the timing belt on the upper shaft assy. Insert the fixed joint to the upper shaft assy. 3.
Page 71: Attachment Of Upper Shaft Cover
Basic of Assembly LED lamp / Upper driving mechanism Attachment of Upper shaft cover 1. Attach the upper shaft cover to the arm bed with the three screws (screw, pan (S/P washer) M4x10DB).  Refer to 3 - 107 Assembly of Upper shaft cover. 2.
Page 72: Attachment Of Tension Pulley Assy
Basic of Assembly LED lamp / Upper driving mechanism Attachment of Tension pulley assy 1. Align the positioning hole of tension pulley assy with the boss of tension pulley holder B assy, set the tension pulley assy to the tension pulley holder B assy, and tighten the screw (upset M4x12DB) temporarily.
Page 73: Lower Driving Mechanism
Basic of Assembly Lower driving mechanism Lower driving mechanism location diagram 2 - 47...
Page 74: Lubrication
Basic of Assembly Lower driving mechanism Lubrication Lubrication point Lubricating oil type Quantity of lubrication Felt 2 places FBK OIL RO 100 1 to 2 drops Disk 2 places EPNOC AP (N) 0 Rice-grain size Side feed assy 1 place MOLYKOTE EM30L Small amount DPM insulation assy...
Page 75: Attachment Of Lower Shaft A Assy
Basic of Assembly Lower driving mechanism Attachment of Lower shaft A assy 1. Set the two felts to the mounting position of arm bed. 2. Set the two lower shaft bushings to the two mounting positions of arm bed. 3. Attach the bushing presser A to the arm bed with the two screws (taptite, bind S M4x10). 4.
Page 76: Attachment Of Thread Cutter Module, Feed Module And Drop Unit Assy
Basic of Assembly Lower driving mechanism Attachment of Thread cutter module, Feed module and Drop unit assy 1. Align the boss of thread cutter module with the positioning hole of feed module, and attach the thread cutter module to the feed module with the two screws (screw, bind M4x5). ...
Page 77: Attachment Of Side Feed Assy
Basic of Assembly Lower driving mechanism Attachment of Side feed assy 1. Attach the side feed assy to the arm bed with the two screws (taptite, bind S M4x10). 2. Set the boss of side feed assy to the side feed adjust plate, set the washer to the side feed adjust plate, align the notch of spring plate B with the boss, and attach the spring plate B to the side feed adjust plate with the screw (screw, bind M3x6).
Page 78: Needle Threading Mechanism
Basic of Assembly Needle threading mechanism Needle threading mechanism location diagram 2 - 52...
Page 79: Attachment Of Thread Unit Assy
Basic of Assembly Needle threading mechanism Attachment of Thread unit assy 1. Attach the thread unit assy to the arm bed with two screws (screw, bind M4x8).  Refer to 3 - 112 Needle threading mechanism. 2. Align the boss of front cover fixed plate with the positioning hole of thread unit assy, and attach the front cover fixed plate to the thread unit assy with the screw (screw, bind M4x8).
Page 80: Attachment Of Led Lamp Holder L Assy
Basic of Assembly Needle threading mechanism Attachment of LED lamp holder L assy 1. Attach the LED lamp holder L assy to the arm bed with the two screws (taptite, bind S M4x10), and tighten the screw (screw, bind M3x4) to the LED lamp holder L assy. ...
Page 81: Electric Parts And Main Motor Unit
Basic of Assembly Electric parts and Main motor unit Electric parts and Main motor unit location diagram 2 - 55...
Page 82: Attachment Of Extension If Pcb Assy
Basic of Assembly Electric parts and Main motor unit Attachment of Extension IF PCB assy 1. Align the positioning hole of extension IF PCB assy with the boss of extension connector holder U, and attach the extension IF PCB assy to the extension connector holder U with the two screws (screw, bind M3x4).
Page 83: Attachment Of Spiral Tube
Basic of Assembly Electric parts and Main motor unit Attachment of Spiral tube 1. Bind up the each lead wire with the spiral tube. 2. Set the cord clamp to the spiral tube, and then attach the cord clamp to the arm bed with the screw (screw, pan (S/P washer) M4x10DB).
Page 84: Attachment Of Power Unit
Basic of Assembly Electric parts and Main motor unit Attachment of Power unit 1. Connect the connector of inlet assy to the connector of power unit, and pass the lead wire of inlet through the securing fixtures of power unit. 2.
Page 85: Attachment Of Main Motor Assembly
Basic of Assembly Electric parts and Main motor unit Attachment of Main motor assembly 1. Set the main motor assembly to the arm bed, and then tighten the two screws (upset M4x12DB) temporarily. *Key point • Fully tighten the screw after performing "Adjustment of Motor belt tension".
Page 86: Attachment Of Main Pcb Assy
Basic of Assembly Electric parts and Main motor unit Attachment of Main PCB assy 1. Set the main PCB assy to the main PCB holder, and secure it with the three hooks. 2. Attach the main PCB assy and the two clips to the arm bed with the four screws (screw, pan (S/P washer) M4x10DB).
Page 87: Main Frame And Covers
Basic of Assembly Main frame and covers Main frame and covers location diagram 2 - 61...
Page 88: Attachment Of Upper Unit Relay Pcb Assy
Basic of Assembly Main frame and covers Attachment of Upper unit relay PCB assy 1. Attach the upper unit relay PCB assy to the connecting PCB holder with the two screws (taptite, bind B M3x10). 2. Connect the each connector to the upper unit relay PCB assy. *Key point •...
Page 89: Attachment Of Led Pcb Holder A/B
Basic of Assembly Main frame and covers Attachment of LED PCB holder A/B 1. Align the positioning hole of LED PCB assy: work area with the boss of LED PCB holder A, and attach the LED PCB assy: work area with the screw (screw, pan (S/P washer) M3x7). Attach the LED PCB holder A to the arm bed with the screw (taptite, bind S M4x10).
Page 90: Attachment Of Uw Pen Connector Pcb Assy, Connector Holder Assy And Knee Lifter Assembly
Basic of Assembly Main frame and covers Attachment of UW pen connector PCB assy, Connector holder assy and Knee lifter assembly 1. Attach the extension IF PCB assy L to the sensor connector holder D with the screw (screw, bind M3x6).
Page 91: Attachment Of Base Plate Cover And Free Arm Plate
Basic of Assembly Main frame and covers Attachment of Base plate cover and Free arm plate 1. Set the base plate cover to the base plate, and secure it with the two screws (screw, bind M4x6). 2. Attach the free arm plate to the arm bed with the two screws (taptite, bind S M4x10). Screw, bind M4x6 Base plate cover Base plate...
Page 92: Attachment Of Rear Cover Assy
Basic of Assembly Main frame and covers Attachment of Rear cover assy 1. Set the rear cover assy to the arm bed, hang the three hooks of rear cover assy on the base plate, and align the boss of rear cover assy with the positioning hole of arm bed. Secure the rear cover assy to the arm bed with the screw (screw, bind M3x4), screw (screw, bind M4x6) and four screws (taptite, cup B M4x14).
Page 93: Attachment Of Front Cover Assy
Basic of Assembly Main frame and covers Attachment of Front cover assy 1. Connect the lead wire assy main-panel to the main PCB assy. Connect the lead wire assy camera relay to the panel PCB assy, and lock it. 2. Set the front cover assy to the arm bed, hang the hook A (front cover side) and B (rear cover side) to the hook tray C (rear cover side) and D (front cover side) respectively, and hang the three hooks E to the base plate.
Page 94: Attachment Of Bobbin Winder Unit Cover Assy
Basic of Assembly Main frame and covers Attachment of Bobbin winder unit cover assy 1. Connect the lead wire assy RGBLED to the RGB LED PCB assy of the bobbin winder unit cover assy. Set the bobbin winder unit cover assy to the machine, and secure it with the five screws (screw, bind M4x6).
Page 95: Attachment Of Belt Cover
Basic of Assembly Main frame and covers Attachment of Belt cover 1. Set the belt cover lower assy to the main body, and hang the each hook on the each cover and the base plate. 2. Secure the belt cover lower assy with the two screws (screw, bind M4x6). ...
Page 96: Attachment Of Front Thread Guard Cover And Face Plate Assy
Basic of Assembly Main frame and covers Attachment of Front thread guard cover and Face plate assy 1. Fit the positioning groove to the tip of thread unit assy, attach the thread guard cover with the screw (screw, bind M4x6), and attach the screw cap to the front thread guard cover. 2.
Page 97: Attachment Of Free Arm Front Cover Assy, Free Arm Cover And Needle Plate B Assy
Basic of Assembly Main frame and covers Attachment of Free arm front cover assy, Free arm cover and Needle plate B assy 1. Set the free arm front cover, hang the two hooks A on the front cover assy and hook B on the hook tray, then attach the free arm front cover assy to the machine with the screw (screw, pan (T washer) M3x6) and screw (screw, bind M3x6).
Page 98: Attachment Of Accessory Table Assy And Top Cover Unit Assy
Basic of Assembly Main frame and covers Attachment of Accessory table assy and Top cover unit assy 1. Attach the accessory table assy to the machine.  Refer to 3 - 148 Assembly of Accessory table assy. 2. Attach the top cover unit assy to the machine. Top cover unit assy Accessory table assy 2 - 72...
Page 99: Application Of Disassembly/Assembly
Application of Disassembly/Assembly This chapter explains how to disassemble or assemble each module. Refer to this chapter for fixing and replacing each module. Disassembly Main frame and covers ....3 - 2 Bobbin winding mechanism... 3 - 22 Electric parts and main motor unit ... 3 - 27 Needle threading mechanism..
Page 100: Disassembly Main Frame And Covers
Application of Main frame and covers Disassembly Main frame and covers location diagram 3 - 2...
Page 101 Application of Main frame and covers Disassembly Disassembly of Accessory table assy 1. Remove the ACC table front cover assy from the accessory table assy. Accessory table assy ACC table front cover assy Disassembly of Needle plate B assy 1. Remove the slide button from the needle plate B. 2.
Page 102 Application of Main frame and covers Disassembly Disassembly of Face plate assy 1. Release the two hooks to remove the face plate cutter holder from the face plate assy. Remove the NT lower thread cutter from the face plate cutter holder. Face plate assy NT lower thread cutter Hook...
Page 103 Application of Main frame and covers Disassembly Disassembly of Belt cover assy 1. Remove the two screws (taptite, cup B M3x8) to remove the belt cover upper from the belt cover assy. 2. Remove the card cover from the belt cover assy. Taptite, Cup B M3X8 Taptite, cup B M3x8 Belt cover upper...
Page 104 Application of Main frame and covers Disassembly Disassembly of Front cover assy 6-1 Removal of VR PCB assy, SV keytop assy, Threader switch PCB assy and Threader button 1. Release the clip to unbind the any lead wire. 2. Disconnect the VR PCB lead wire from the panel PCB assy. 3.
Page 105 Application of Main frame and covers Disassembly 6-2 Removal of Threader switch PCB assy, SS PCB assy and Buttons 1. Disconnect the connector of threader switch PCB lead wire and two connectors of SS PCB assy from the panel PCB assy, and cut the band. 2.
Page 106 Application of Main frame and covers Disassembly 6-3 Removal of Lead wire assy main-panel and Speaker assy 1. Disconnect the lead wire assy main-panel from the panel PCB assy. 2. Disconnect the speaker lead wire from the panel PCB assy and remove the four screws (taptite, bind B M3x12) to remove the speaker cover F/R.
Page 107 Application of Main frame and covers Disassembly 6-4 Removal of USB cover, Head phone jack assy and Ground plate USB holder 1. Disconnect the head phone jack assy lead wire from the panel PCB assy. Remove the three screws (screw, bind M3x6) to remove the USB cover from the panel board holder. 2.
Page 108 Application of Main frame and covers Disassembly 6-5 Removal of Panel PCB assy and Panel board holder 1. Remove the screw (taptite, cup B M4x8) to remove the plate E. 2. Remove the screw (taptite, cup B M4x8) and screw (screw, bind M3x6) to remove the clip, panel board ground plate U and plate E.
Page 109 Application of Main frame and covers Disassembly 5. Remove the four screws (taptite, cup B M3x8) to remove the panel board holder from the front cover assy. Taptite, Cup B M3X8 Front cover assy Panel board holder Taptite, cup B M3x8 3 - 11...
Page 110 Application of Main frame and covers Disassembly 6-6 Removal of FC jack assy 1. Cut the band. 2. Release the clip to unbind the lead wire assy MFFC. 3. Remove the nut-N to remove the FC jack assy. 4. Remove the screw (taptite, cup B M3x8) to remove the clip. Taptite, Cup B M3X8 Band Lead wire assy MFFC...
Page 111 Application of Main frame and covers Disassembly 6-7 Removal of LCD assy 1. Pull out the flexible flat cable:20706ASFBI from the ferrite core 2. Remove the five screws (taptite, cup B M3x8) to remove the front line cover. 3. Remove the nine screws (taptite, cup B M3x8) to remove the LCD frame assy. Pull out the flexible flat cable:20706ASFBI and the FFC of touch panel from each hole of front cover assy, 4.
Page 112 Application of Main frame and covers Disassembly 5. Unlock the lock to disconnect the flexible flat cable:20706ASFBI from the LCD assy. 6. Release the each hook to remove the LCD assy from the LCD frame assy. Hooks Hooks LCD assy Hooks Flexible flat cable: 20706ASFBI...
Page 113 Application of Main frame and covers Disassembly 6-8 Removal of Lamp cover L/R 1. Release the four hooks to remove the lamp cover L from the front cover assy, and remove the diffusion sheet work area from the lamp cover L. 2.
Page 114 Application of Main frame and covers Disassembly Disassembly of Rear cover assy 1. Remove the three screws (taptite, cup B M4x8) to remove the three plates E from the rear cover assy. 2. Remove the screw (taptite, cup B M4x8) to remove the ground plate rear and the plate E from the rear cover assy.
Page 115 Application of Main frame and covers Disassembly Disassembly of Connector holder assy 1. Unlock the two locks to open the ferrite core, and remove the ferrite core from the lead wire assy main body. 2. Remove the two retaining rings E3 and two washer plains S M3.5 to remove the lead wire assy main body from the connector holder assy.
Page 116 Application of Main frame and covers Disassembly Removal of Belt cover support plate 1. Remove the two screws (screw, bind M4x6) to remove the belt cover support plate from the base plate. Screw, bind M4x6 Screw, Bind M4X6 Belt cover support plate Screw, bind M4x6 Base plate Removal of SW holder...
Page 117 Application of Main frame and covers Disassembly Removal of Connecting PCB holder and Extension connector holder U 1. Remove the two screws (taptite, bind S M4x10) to remove the extension connector holder U. 2. Remove the two screws (screw, pan (S/P washer) M4x10DB) to remove the connecting PCB holder. Taptite, Bind S M4X10 Screw, Pan (S/P washer) M4X10DB Connecting PCB holder...
Page 118 Application of Main frame and covers Disassembly Removal of Handle assy 1. Remove the four screws (taptite, bind S M4x10) to remove the handle assy. 2. Remove the screw (screw, bind M3x4) to remove the handle holder spring plate from the handle stopper plate R.
Page 119 Application of Main frame and covers Disassembly Removal of Base plate sub assy 1. Remove the four screws (taptite, bind S M4x10) to remove the base plate sub assy. 2. Remove the three base rubbers A from the base plate sub assy. 3.
Page 120: Bobbin Winding Mechanism
Application of Bobbin winding mechanism Disassembly Bobbin winding mechanism location diagram 3 - 22...
Page 121 Application of Bobbin winding mechanism Disassembly Disassembly of Bobbin winder unit cover assy 1. Remove the two screws (taptite, bind B M3x8) to remove the bobbin winder unit cover R from the bobbin winder unit cover. 2. Remove the screw (taptite, bind B M3x8) to remove the magnet presser plate and the magnet from the bobbin winder unit cover R.
Page 122 Application of Bobbin winding mechanism Disassembly 4. Remove the spool presser C and spool felt from the spool pin. Remove the screw (taptite, cup B M3x10) and pull out the spool pin holder assy from the spool pin to remove the spool pin. 5.
Page 123 Application of Bobbin winding mechanism Disassembly 7. Remove the two screws (taptite, bind B M3x8) to remove the sub spool pin holder. Remove the screw (screw, bind M3x3) to remove the notch plate from the sub spool pin holder. 8. Pull out the shaft from the sub spool stand pin, and remove the sub spool stand pin. 9.
Page 124 Application of Bobbin winding mechanism Disassembly 11.Remove the three screws (taptite, cup B M3x8) to remove the light plate cover and the spool LED dark sheet. 12.Release the hook to remove the RGB LED PCB assy from the light plate cover. 13.Release the two hooks to remove the spool LED diffusion plate, the light plate and the spool LED reflection sheet.
Page 125: Electric Parts And Main Motor Unit
Application of Electric parts and main motor unit Disassembly Electric parts and main motor unit location diagram 3 - 27...
Page 126 Application of Electric parts and main motor unit Disassembly Removal of Main PCB holder plate A/B 1. Remove the two screws (taptite, bind S M4x10) to remove the main PCB holder plate A. 2. Remove the screw (taptite, bind S M4x10) to remove the main PCB holder plate B. Taptite, Bind S M4X10 Main PCB holder plate A Taptite, bind S M4x10...
Page 127 Application of Electric parts and main motor unit Disassembly Disassembly of Power unit 1. Release the lead wire assy power-main and lead wire assy motor drive from the securing fixtures. Disconnect the lead wire assy power-main and lead wire assy motor drive. Power unit Lead wire assy power-main Lead wire assy motor drive...
Page 128 Application of Needle threading mechanism Disassembly Needle threading mechanism location diagram 3 - 30...
Page 129 Application of Needle threading mechanism Disassembly Removal of Thread guide and Thread guard plate B 1. Remove the screw (screw, bind M3x4) to remove the thread guide from the thread guard plate B. Remove the screw (screw, bind M3x4) to remove the thread guard plate B from the thread tension assy.
Page 130: Needle Threading Mechanism
Application of Needle threading mechanism Disassembly Removal of Thread guide cover assy 1. Remove the thread guide cover assy while lifting the section "A" of thread guide cover assy to get over the boss of thread tension assy. Thread tension assy Boss “A”...
Page 131 Application of Needle threading mechanism Disassembly Removal of Upthread PCB assy and Thread guide wire 1. Remove the screw (screw, pan (S/P washer) M3x6) to remove the upthread PCB assy from the thread sensor holder, then remove the screw (screw, bind M3x4) to remove the thread sensor holder. 2.
Page 132 Application of Needle threading mechanism Disassembly Removal of Thread guide, AT INIT PCB assy, ATPM sensor plate and Plate assembly 1. Remove the screw (screw, bind M3x4) to remove the thread guide. 2. Remove the screw (screw, bind M3x4) to remove the insulation sheet and AT INIT PCB assy from the ATPM sensor plate.
Page 133 Application of Needle threading mechanism Disassembly Removal of Thread catching case A/B and Thread cutting shutter 1. Remove the screw (screw, pan (S/P washer) M3x18) to remove the thread catching case B, thread catching case A, thread cutting shutter and thread take up spring (XZ0386) from the thread tension assy.
Page 134 Application of Needle threading mechanism Disassembly Removal of ATPM insulation assy and Tension release unit 1. Remove the two screws (screw, bind M3x4) to remove the ATPM insulation assy from the thread tension assy, and disconnect the ATPM lead wire assy from the ATPM insulation assy. 2.
Page 135 Application of Needle threading mechanism Disassembly Removal of Thread guide shutter link A/B/C 1. Remove the spring tension (XE4328) from the thread guide shutter link B and thread guide shutter link 2. Remove the two retaining rings E3 to remove the TH guide shutter link D assy from the thread guide shutter link B and thread guide shutter link C.
Page 136 Application of Lower driving mechanism Disassembly Lower driving mechanism location diagram 3 - 38...
Page 137 Application of Lower driving mechanism Disassembly Removal of Reversal link assy, Pull link and Reversal link plate assy 1. Remove the retaining ring E3 from the shaft of reversal link plate assy, remove the retaining ring E2.5 from the shaft of reversal link assy, and then remove the reversal link assy from the reversal link plate assy.
Page 138: Lower Driving Mechanism
Application of Lower driving mechanism Disassembly Removal of Lead wire guide holder and Needle plate B switch assy 1. Remove the two screws (screw, bind M3x4) to remove the lead wire guide holder from the feed module. 2. Release the two hooks to remove the sensor holder from the lead wire guide holder, and remove the needle plate B switch assy from the sensor holder.
Page 139 Application of Lower driving mechanism Disassembly Removal of Joint 1. Remove the two screws (set screw, socket (FT) M5x5), and then pull out the joint from the lower shaft B assy. Set Screw, Socket (FT) M5X5 Set screw, socket (FT) M5x5 Lower shaft B assy Joint Set screw, socket (FT) M5x5...
Page 140: Led Light / Upper Driving Mechanism
Application of LED light / Upper driving mechanism Disassembly LED light / Upper driving mechanism location diagram 3 - 42...
Page 141 Application of LED light / Upper driving mechanism Disassembly Disassembly of Upper shaft cover 1. Remove the two screws (taptite, bind B M3x8) to remove the NP PCB assy. Taptite, Bind B M3X8 Upper shaft cover Taptite, bind B M3x8 NP PCB assy Disassembly of Upper shaft assy 1.
Page 142 Application of LED light / Upper driving mechanism Disassembly Disassembly of LED lamp holder L assy 1. Disconnect the four connectors of lead wire assy LED2 from the LED lamp holder L assy. 2. Remove the screw (screw, pan (S/P washer) M3x8) to remove the UWR L assy, and remove the sheet from the LED lamp holder L assy.
Page 143 Application of LED light / Upper driving mechanism Disassembly Removal of Adjusting screw and Plate spring 1. Remove the adjusting screw from the arm bed. 2. Remove the two screws (screw, bind M4x5) to remove the plate spring from the arm bed. Screw, Bind M4X5 Adjusting screw Screw, bind M4x5...
Page 144 Application of Feed module Disassembly Feed module location diagram 3 - 46...
Page 145 Application of Feed module Disassembly Removal of Needle plate A assy, Inner rotary hook assy and Inner rotary hook bracket assy 1. Remove the two screws (screw M4) to remove the needle plate A assy. 2. Remove the inner rotary hook assy, and remove the pile from it. 3.
Page 146: Feed Module
Application of Feed module Disassembly Removal of Outer rotary hook assy, Feed bar assy and Lock nut 1. Remove the two screws (screw, bind M3x6) to remove the feed dog. 2. Remove the screw (set screw, socket (CP) M4x6), and then pull out the outer rotary hook shaft to remove the spacer, outer rotary hook assy, washer 6 and another spacer.
Page 147 Application of Feed module Disassembly 3. Remove the spring (XZ0385) from the feed bar assy and vertical feed shaft of drop assy. 4. Remove the two screws (set screw, socket (CP) M4x4), and then remove the two feed bar shafts A to remove the feed bar assy.
Page 148 Application of Feed module Disassembly Removal of Vertical feed bush and Drop lever Q 1. Pull out the vertical rod, and then remove the two screws (screw, bind M3x8) to remove the vertical feed bush. 2. Remove the two retaining rings E2 from the two slide shafts A. Pull out the two slide shafts A to remove the drop lever Q from the base plate.
Page 149 Application of Feed module Disassembly Removal of Lower shaft B assy and Drop assy 1. Remove the spring (XC9277) from the feed arm B assy and feed supporting plate assy. 2. Remove the screw (screw, bind M4x8) to remove the bushing presser. 3.
Page 150 Application of Feed module Disassembly 5. Remove the lower shaft bushing from the lower shaft B assy. 6. Remove the retaining ring E6 to remove the washer thrust, lower shaft bushing and another washer thrust from the lower shaft B assy, and then remove the two screws (set screw, socket (CP) M4x4) to remove the set screw collar from the lower shaft B assy.
Page 151 Application of Feed module Disassembly Removal of FPM holder assy, F INIT PCB assy and Feed adjuster gear assy 1. Loosen the screw (set screw, socket (CP) M4x4), and remove the screw (bolt, socket M4x25) to remove the spring (XC2537). Remove the two screws (screw, bind M4x8) to remove the stopper plate, and then remove the FPM holder assy.
Page 152 Application of Feed module Disassembly 3. Remove the screw (set screw, socket (CP) M4x4) to remove the set collar and F initial shutter from the shaft of feed adjuster gear assy. 4. Remove the retaining ring E4 from the shaft of feed adjuster gear assy, and then pull out the feed adjuster gear assy from the FPM holder assy.
Page 153 Application of Feed module Disassembly Removal of Feed arm assy and Stopper plate block assy 1. Remove the screw (screw, bind M3x5) to remove the shaft stopper plate. 2. Remove the screw (set screw, socket (CP) M4x4) to remove the set screw collar from the horizontal feed shaft.
Page 154 Application of Thread cutter module Disassembly Thread cutter module location diagram 3 - 56...
Page 155 Application of Thread cutter module Disassembly Removal and disassembly of Thread cutter assy 1. Cut the band. 2. Remove the two screws (screw, bind M4x20) to remove the thread cutter assy and two collars from the motor holder assy. 3. Remove the screw (screw, bind M3x4) to remove the C INIT PCB assy from the initial holder. Remove the screw (screw, bind M3x4) to remove the initial holder from the thread cutter assy.
Page 156: Thread Cutter Module
Application of Thread cutter module Disassembly Removal of Thread cutter lever, Photo transistor PCB assy, PF pulse motor assy and Gears 1. Release the hook part of spring, twist (XE4139) from the motor holder assy, and remove the retaining ring E4 to remove the thread cutter lever and the spring,twist. 2.
Page 157 Application of Thread cutter module Disassembly 3. Remove the two screws (screw, bind M3x4) to remove the PF pulse motor assy, and disconnect the lead wire assy CPM from the PF pulse motor assy. 4. Remove the retaining ring E3 to remove the thread cutter lever gear assy, spring and thread cutter lever gear B from the motor holder assy.
Page 158 Application of Needle-presser module Disassembly Needle-presser module location diagram 3 - 60...
Page 159 Application of Needle-presser module Disassembly Removal of Camera relay PCB assy 1. Remove the screw (taptite, bind B M4x10) to remove the earth plate and the CMR holder base. 2. Release the two hooks to disconnect the lead wire assy camera relay from the camera relay PCB assy. 3.
Page 160: Needle-Presser Module
Application of Needle-presser module Disassembly 5. Remove the screw (screw, pan (S/P washer) M3x8) to remove the CMR cover and the CMR cover cap from the CMR holder ADJ. 6. Remove the camera module from the CMR cover. 7. Remove the screw (screw, pan (S/P washer) M3x6) to remove the CMR spring plate from the CMR holder base.
Page 161: Needle-Presser Module
Application of Needle-presser module Disassembly Removal of Presser foot holder assy and BH switch assy 1. Remove the screw to remove the presser foot holder assy from the presser bar. 2. Remove the screw (taptite, pan B 4x12) to remove the BH switch assy from the upper unit holder assy. Taptite, Pan B M4X12 BH switch assy Upper unit holder assy...
Page 162 Application of Needle-presser module Disassembly Removal of PT holder assembly and PF switch assy 1. Remove the two screws (screw, bind M3x6) to remove the PT holder assembly. 2. Cut the band A, and then release the clip to unbind the lead wires. 3.
Page 163 Application of Needle-presser module Disassembly Removal of PFPM insulation assy, PF INIT PCB assy and Presser PM holder 1. Remove the two screws (screw, bind M3x4) to remove the clip and PFPM insulation assy from the presser PM holder, then disconnect the lead wire assy PFPM from the PFPM insulation assy. 2.
Page 164 Application of Needle-presser module Disassembly Removal of Presser dial, Presser dial gear and Lock nut 1. Remove the retaining ring E4, and remove the presser dial from the presser dial shaft assy. 2. Release the two hooks of presser dial gear to pull out the presser dial shaft assy, and remove the presser dial gear.
Page 165 Application of Needle-presser module Disassembly Removal of Adjusting plate assy and Lift lever 1. Remove the spring (XG0403) from the adjusting plate assy and the W presser adjust plate. 2. Remove the two screws (taptite, bind B M4x10), and then remove the adjusting plate assy while pulling up the lift lever.
Page 166 Application of Needle-presser module Disassembly Removal of Z INIT PCB assy and Pulse motor Z 1. Remove the screw (taptite, bind B M3x10) to remove the Z INIT PCB holder and Z INIT PCB assy. 2. Remove the screw (taptite, bind B M3x10) to remove the pulse motor Z. Taptite, Bind B M3X10 Upper unit holder assy Pulse motor Z...
Page 167 Application of Needle-presser module Disassembly Removal of Spring guard and Release guide plate 1. Remove the two screws (screw, bind M3x6) to remove the spring guard and release guide plate from the needle bar supporter assy. 2. Remove the spring (XD1489) from the plate and needle bar hook stand assy. SPRING (XD1489) Plate Screw, Bind M3X6...
Page 168 Application of Needle-presser module Disassembly Removal of Needle bar assy, Needle bar hook stand assy and Needle thread block 1. Remove the screw (set screw, socket (FT) M4x4) from the needle thread block, and then remove the screw (set screw, socket (FT) M4x4) from the needle bar hook stand assy. Pull out the needle bar to remove the washer,thrust, needle bar presser spring (XC6254), needle bar hook stand assy and needle thread block.
Page 169 Application of Needle-presser module Disassembly Removal of W presser adjust plate, Needle holder block assy, Presser bar support plate and Needle holder block base 1. Remove the screw (screw, bind M3x6) to remove the W presser adjust plate from the needle bar supporter assy, and remove the needle bar felt from the W presser adjust plate.
Page 170 Application of Needle-presser module Disassembly Removal of Zigzag adjusting nut 1. Remove the screw (bolt, socket M3x10) to remove the zigzag adjusting nut from the needle bar supporter assy. Bolt, Socket M3X10 Zigzag adjusting nut Bolt, socket M3x10 Needle bar supporter assy Zigzag adjusting nut 3 - 72...
Page 171 Application of Needle-presser module Disassembly Removal of Springs 1. Remove the two screws (screw, pan (T washer) M3x6) to remove the release adjuster from the release lever unit. Remove the screw (screw, pan (S/P washer) M3x8DB), and then remove the release lever unit from the needle bar supporter assy.
Page 172 Application of Needle-presser module Disassembly Removal of Needle bar supporter assy and Thread guide plate 1. Remove the screw (screw, bind M3x5) to remove the plate from the needle bar supporter assy. Remove the screw (screw, bind M2x4) from the shaft, and then pull out the shaft from the needle bar supporter assy.
Page 173 Application of Needle-presser module Disassembly Removal of Threader hook assy 1. Remove the retaining ring E2.5 from the needle threader shaft A of needle bar supporter assy, release the hook part of spring from the thread guide assy, and then pull out the threader hook assy. Disassemble the threader hook assy, link A assy, link B and thread guide assy, and remove the spring (XC9616) from the thread guide assy.
Page 174 Application of Needle-presser module Disassembly Removal of Lever AB 1. Remove the screw (taptite, bind B M3x8) to remove the lever supporter plate, and then pull out the lever AB from the lever guide shaft. Remove the retaining ring E2 to remove the lever guide shaft, and remove the retaining ring E2 from the lever guide shaft.
Page 175 Application of Needle-presser module Disassembly Removal of Z zigzag release cam, Z zigzag lever sub assy and Release plate assy 1. Remove the retaining ring E3 from the Z cam shaft to remove the washer and Z zigzag release cam. 2.
Page 176 Application of Needle-presser module Disassembly 4. Pull out the Z cam shaft from the upper unit holder assy. 5. Remove the Z zigzag lever sub assy from the upper unit holder assy, and remove the Z lever cup from the Z zigzag lever sub assy. 6.
Page 177 Application of Needle-presser module Disassembly Removal of Needle bar crank rod assy, Thread take-up lever assy, Thread take-up counter weight and Unit shaft 1. Remove the two screws (set screw, socket (FT) M5x5) to remove the needle bar crank rod assy and thread take-up lever assy from the thread take-up lever link and thread take-up counter weight.
Page 178 Application of Needle-presser module Disassembly Removal of Thread take-up lever link, Presser bar and Presser bar clamp assy 1. Remove the screw (set screw, socket (CP) M3x5) from the shaft. Remove the retaining ring E4 from the shaft, and then pull out the shaft to remove the thread take-up lever link and spring (XC2441). 2.
Page 179 Application of Embroidery unit Disassembly Embroidery unit location diagram 3 - 81...
Page 180: Embroidery Unit
Application of Embroidery unit Disassembly Removal of YPM cover and X carriage cover 1. Remove the screw (taptite, bind P M3x10) to remove the YPM cover from the X carriage cover. 2. Remove the screw (screw, pan (T washer) M4x8) to remove the X carriage cover from the X carriage unit.
Page 181 Application of Embroidery unit Disassembly Removal of E hoop stay plate assy 1. Remove the screw (screw, bind M3x4) and screw (screw, pan (S/P washer) M3x7) to remove the E hoop stay cover. 2. Remove the two screws (screw, bind M4x6) to remove the E hoop stay plate assy, and disconnect the flexible flat cable:SML2CD-6 from the frame sensor PCB assy.
Page 182 Application of Embroidery unit Disassembly Disassembly of E hoop stay plate assy 1. Remove the two screws (screw, bind M3x4) to remove the E hoop pressure plate from the E hoop stay plate assy. Remove the two screws (screw, bind M3x4) to remove the E hoop pressure spring A from the E hoop pressure plate.
Page 183 Application of Embroidery unit Disassembly Removal of ES main cover assy 1. Remove the six screws (taptite, cup B M4x14) from the back side of ES base cover unit. Slide the ES main cover assy to the left side, and remove it from the ES base cover unit. 2.
Page 184 Application of Embroidery unit Disassembly Removal of EMB relay PCB assy 1. Remove the screw (taptite, cup B M4x14) to remove the relay PCB holder from the ES base cover unit. Unlock the lock to disconnect the flexible flat cable:SML2CD-7. Disconnect the flexible flat cable:SML2CD-6 and four connectors from the EMB relay PCB assy.
Page 185 Application of Embroidery unit Disassembly Removal of ES base cover unit 1. Slide the X carriage assy to come in sight of the two screws. 2. Remove the four screws (screw, pan (S/P washer) M4x8) from the back side of ES base cover unit. Remove the two screws (taptite, cup B M4x14) to remove the ES base cover unit from the main frame assy.
Page 186 Application of Embroidery unit Disassembly Removal of Lead wire assy EMB unit V 1. Remove the two screws (screw, pan (washer) M3x18) to remove the lead wire assy EMB unit V and the EM connector holder from the ES base cover unit. Screw, Pan (washer) M3X18 EM connector holder Lead wire assy EMB unit V...
Page 187 Application of Embroidery unit Disassembly Removal of CW switch assy 1. Remove the rubber, and release the lead wire assy cut work switch from the securing fixtures. 2. Remove the two screws (taptite, bind B M3x10) to remove the CW switch assy from the ES base cover assy.
Page 188 Application of Embroidery unit Disassembly Removal of X roller guide plate 1. Remove the three screws (taptite, cup B M4x14) to remove the X roller guide plate from the ES base cover assy. Taptite, Cup B M4X14 Taptite, cup B M4x14 X roller guide plate ES base cover assy...
Page 189 Application of Embroidery unit Disassembly Removal of Adjusting screw assy and ES base cover LID CW 1. Remove the adjusting screw assy from the ES base cover assy. (two locations) 2. Release the hook to remove the ES base cover LID CW from the ES base cover assy. ES base cover assy Hook ES base cover LID CW...
Page 190 Application of Embroidery unit Disassembly Removal of Y relay PCB assy 1. Remove the screw (screw, bind M3x6) to remove the code grip from the X carriage unit. Release the flexible flat cable:SML2CD-6 and flexible flat cable:SML2CD-7 from the securing fixtures. 2.
Page 191 Application of Embroidery unit Disassembly Removal of XY pulse motor assy and Y INIT PCB assy 1. Remove the screw (screw, pan (S/P washer) M3x7) to remove the XC sub cover from the X carriage unit. 2. Remove the two screws (screw, pan (S/P washer) M3x7) to remove the XY pulse motor assy from the X carriage unit.
Page 192 Application of Embroidery unit Disassembly Removal of Flexible flat cable:SML2CD-6 and Hole cover 1. Slide the Y carriage assy to come in sight of the two cord clips. 2. Release the flexible flat cable:SML2CD-6 from the securing fixtures. 3. Slide the cord clip to the left side to remove the cord clip from the X carriage unit while pulling up the position “A”.
Page 193 Application of Embroidery unit Disassembly 6. Slide the Y carriage assy to come in sight of the hole cover. 7. Release the hook to remove the hole cover from the X carriage unit. 8. Remove the X carriage cover rubber from the X carriage unit. X carriage cover rubber X carriage unit Hole cover...
Page 194 Application of Embroidery unit Disassembly Removal of Y carriage assy 1. Remove the two screws (taptite, bind P M3x10), and slide the Y carriage assy to the direction of the arrow to remove it from the Y slider. 2. Remove the two screws (screw, pan (S/P washer) M4x8) to remove the Y guide shaft from the main frame assy.
Page 195 Application of Embroidery unit Disassembly Removal of Y slider and Timing belt 1. Slide the Y slider to come in sight of the screw. Remove the screw (screw, pan (S/P washer) M4x8) to remove the YT belt presser plate and Y slider from the timing belt 40S2M862. 2.
Page 196 Application of Embroidery unit Disassembly Removal of X roller plate assy 1. Remove the screw (screw, pan (S/P washer) M3x6) to remove the X carriage guide plate B cover from the X roller plate assy. 2. Remove the screw (bolt, socket (S/P washer) M3x6) to remove the X roller plate assy from the X carriage unit 3.
Page 197 Application of Embroidery unit Disassembly Removal of XY pulse motor assy and X INIT PCB assy 1. Slide the X carriage assy to the center position. 2. Remove the two screws (screw, pan (S/P washer) M3x7) to remove the XY pulse motor assy from the main frame assy.
Page 198 Application of Embroidery unit Disassembly Removal of Timing belt 1. Remove the two screws (screw, pan (S/P washer) M4x8) to remove the X belt presser from the X carriage assy. 2. Remove the two screws (screw, pan (S/P washer) M4x8) to remove the tension pulley assy from the main frame assy, and remove the timing belt 40S2M676.
Page 199 Application of Dual feed assy Disassembly Dual feed assy location diagram 3 - 101...
Page 200 Application of Dual feed assy Disassembly Disassembly of Dual feed assy 1. Remove the DF foot assy. 2. Remove the screw (screw, pan (S/P washer) M26x8 DA) and screw (taptite, bind B M3x10) to remove the DF cover R and changeover thumb. Screw, Pan (S/P washer) M26X8 DA Taptite, Bind B M3X10 DF cover R...
Page 201 Application of Dual feed assy Disassembly 4. Remove the screw (taptite, bind B M3x10) to remove the DF cover L. 5. Release the extension code from the guide to disconnect the extension code connector from the DF PCB assy. Taptite, Bind B M3X10 Extension code DF PCB assy DF cover L...
Page 202 Application of LED light / Upper driving mechanism Assembly LED light / Upper driving mechanism location diagram 3 - 104...
Page 203 Application of LED light / Upper driving mechanism Assembly Attachment of Tension pulley holder B assy 1. Attach the tension pulley holder B assy to the arm bed with the three screws (taptite, bind S M4x10). Taptite, Bind S M4X10 Tension pulley holder B assy Taptite, bind S M4x10 Attachment of Plate spring and Adjusting screw...
Page 204 Application of LED light / Upper driving mechanism Assembly Assembly of LED lamp holder R assy 1. Attach the sheet to the LED lamp holder R assy. 2. Attach the UWR R assy to the LED lamp holder R assy with the screw (screw, pan (S/P washer) M3x8). 3.
Page 205 Application of LED light / Upper driving mechanism Assembly Assembly of Upper shaft assy 1. Tighten the screw (set screw, socket (CP) M3x6) to the upper shaft assy. 2. Attach the pulley to the upper shaft assy. Set screw, socket (CP) M3x6 Upper shaft assy Pulley Set Screw, Socket (CP) M3X6...
Page 206 Application of Lower driving mechanism Assembly Lower driving mechanism location diagram 3 - 108...
Page 207 Application of Lower driving mechanism Assembly Attachment of Sheet 1. Attach the two sheets to the arm bed. Sheets Attachment of Joint 1. Align the screw hole A of joint with the cut surface of lower shaft B assy, and attach the joint to the lower shaft B assy with the two screws (set screw, socket (FT) M5x5).
Page 208 Application of Lower driving mechanism Assembly Attachment of Needle plate B switch assy and Lead wire guide holder 1. Set the needle plate B switch assy to the sensor holder. Align the two bosses of sensor holder with the two positioning holes of lead wire guide holder, and attach the sensor holder to the lead wire guide holder with the two hooks.
Page 209 Application of Lower driving mechanism Assembly Attachment of Reversal link plate assy, Pull link and Reversal link assy 1. Align the boss of the reversal link plate assy with the positioning hole of feed module, and attach the reversal link plate assy to the feed module with the screw (screw, bind M4x8). 2.
Page 210 Application of Needle threading mechanism Assembly Needle threading mechanism location diagram 3 - 112...
Page 211 Application of Needle threading mechanism Assembly Lubrication Lubrication point Lubricating oil type Quantity of lubrication ATPM insulation assy 1 place FBK OIL RO 100 1 to 2 drops Tension release cam 1 place EPNOC AP (N) 0 Rice-grain size ATPM insulation assy Tension release unit Tension release cam...
Page 212 Application of Needle threading mechanism Assembly Attachment of Thread guide shutter link A/B/C 1. Insert the link A shaft plate assy into the thread guide shutter link A, and attach the retaining ring E3. 2. Set the tension release cam between the two shafts of thread guide shutter link A. Align the positioning hole of link A shaft plate assy with the boss of tension release unit, and attach the link A shaft plate assy to the tension release unit with the screw (screw, pan (S/P washer) M3x6).
Page 213 Application of Needle threading mechanism Assembly Attachment of Tension release unit and ATPM insulation assy 1. Attach the tension release unit to the thread tension assy with the two screws (screw, bind M3x4). 2. Connect the ATPM lead wire assy to the ATPM insulation assy, and attach the ATPM insulation assy to the thread tension assy with the two screws (screw, bind M3x4).
Page 214 Application of Needle threading mechanism Assembly Attachment of Thread cutting shutter and Thread catching case A/B 1. Set the thread cutting shutter to the thread catching case A. Insert the tip of thread take up spring (XZ0386) into the hole of thread catching case A, set the thread take up spring (XZ0386) to the thread catching case A, and hang the thread take up spring to the spring groove of thread cutting shutter.
Page 215 Application of Needle threading mechanism Assembly Attachment of Plate assembly, ATPM sensor plate, AT INIT PCB assy and Thread guide 1. Align the positioning hole of plate assembly with the boss of thread tension assy, then set the plate assembly to the thread tension assy, and tighten the screw (screw, bind M3x4) temporarily. *Key point •...
Page 216 Application of Needle threading mechanism Assembly Attachment of Thread guide wire and Upthread PCB assy 1. Hang the bent part of thread guide wire on the notch of thread tension assy, and insert the tip of thread guide wire into the positioning hole of thread tension assy. Set the washer plain between the thread guide wire and thread tension assy.
Page 217 Application of Needle threading mechanism Assembly Attachment of Thread guide cover assy 1. Align the two tabs of thread tension assy with the two gullets of thread guide cover assy, and attach the thread guide cover assy to the thread tension assy while lifting the section "A" of thread guide cover assy to get over the boss of thread tension assy.
Page 218 Application of Needle threading mechanism Assembly Attachment of Thread guard plate B and Thread guide 1. Align the positioning notch of thread guard plate B with the boss of thread tension assy, and attach the thread guard plate B to the thread tension assy with the screw (screw, bind M3x4). Align the positioning hole of thread guide with the boss of thread guard plate B, and attach the thread guide to the thread guard plate B with the screw (screw, bind M3x4).
Page 219 Application of Electric parts and main motor unit Assembly Electric parts and main motor unit location diagram 3 - 121...
Page 220 Application of Electric parts and main motor unit Assembly Assembly of Power unit 1. Connect the lead wire assy power-main to the power unit, and pass the lead wire assy power-main through the securing fixtures. 2. Connect the lead wire assy motor drive to the power unit, and pass the lead wire assy motor drive through the securing fixtures.
Page 221 Application of Electric parts and main motor unit Assembly Attachment of Main PCB holder plate A/B 1. Attach the main PCB holder plate A to the arm bed with the two screws (taptite, bind S M4x10). 2. Align the boss of main PCB holder plate B with the positioning hole of arm bed, and attach the main PCB holder plate B to the arm bed with the screw (taptite, bind S M4x10).
Page 222 Application of Bobbin winding mechanism Assembly Bobbin winding mechanism location diagram 3 - 124...
Page 223 Application of Bobbin winding mechanism Assembly Assembly of Bobbin winder unit cover assy 1. Set the spool LED reflection sheet, the light plate and the spool LED diffusion plate to the light plate, and then secure them with the two hooks. 2.
Page 224 Application of Bobbin winding mechanism Assembly 4. Set the thread guide supporting plate to the bobbin winder unit cover, and then tighten the screw (taptite, bind B M3x8). 5. Align the positioning hole of tension guide assy with the boss of bobbin winder unit cover, and attach the tension guide assy to the bobbin winder unit cover with the screw (screw, pan (S/P washer) M3x8).
Page 225 Application of Bobbin winding mechanism Assembly 8. Set the thread guard pin and the thread guard pin cap to the bobbin winder unit cover, and secure them with the hook. 9. Attach the thread guard plate to the bobbin winder unit cover with the screw (taptite, cup B M3x10). 10.Set the spool pin to bobbin winder unit cover, insert the shaft of spool pin holder assy into the spool pin, and secure the spool pin holder assy to the bobbin winder unit cover with the screw (taptite, cup B M3x10).
Page 226 Application of Bobbin winding mechanism Assembly 11.Connect the lead wire assy BW to the PCB of bobbin winder unit. Attach the bobbin winder unit to the bobbin winder unit cover with the three screws (taptite, bind B M4x10), and set the bobbin base assy to the bobbin winder unit.
Page 227 Application of Main frame and covers Assembly Main frame and covers location diagram 3 - 129...
Page 228 Application of Main frame and covers Assembly Attachment of Base plate sub assy 1. Attach the base plate rubber to the base plate sub assy with the screw (screw, pan M5x8). 2. Attach the adjusting screw assy to the base plate sub assy. 3.
Page 229 Application of Main frame and covers Assembly Attachment of Handle assy 1. Align the positioning hole of handle stopper plate L with the boss of handle holder L assy, and attach it with the screw (screw, bind M4x6). Set the handle holder L assy to the handle assy, and attach the retaining ring E6.
Page 230 Application of Main frame and covers Assembly Attachment of Extension connector holder U and Connecting PCB holder 1. Attach the extension connector holder U to the arm bed with the two screws (taptite, bind S M4x10). 2. Attach the connecting PCB holder to the arm bed with the two screws (screw, pan (S/P washer) M4x10DB).
Page 231 Application of Main frame and covers Assembly Attachment of SW holder 1. Attach the SW holder to the base plate with the two screws (screw, bind M4x6). Screw, Bind M4X6 Screw, bind M4x6 SW holder Base plate Assembly of Belt cover support plate 1.
Page 232 Application of Main frame and covers Assembly Attachment of Sensor connector holder D 1. Attach the sensor connector holder D to the base plate with the two screws (screw, bind M4x6). Screw, Bind M4X6 Screw, bind M4x6 Sensor connector holder D Base plate Assembly of Connector holder assy 1.
Page 233 Application of Main frame and covers Assembly Assembly of Rear cover assy 1. Align the each positioning holes of ground plate rear and the plate E with the boss of rear cover assy, and attach them to the rear cover assy with the screw (taptite, cup B M4x8). 2.
Page 234 Application of Main frame and covers Assembly Assembly of Front cover assy 9-1 Attachment of Lamp cover L/R 1. Set the diffusion sheet work area to the lamp cover L, and attach the lamp cover L to the front cover assy with the four hooks.
Page 235 Application of Main frame and covers Assembly 9-2 Attachment of LCD assy 1. Attach the LCD assy to the LCD frame assy with the each hook. 2. Connect the flexible flat cable:20706ASFBI to the LCD assy, and lock it. *Key point •...
Page 236 Application of Main frame and covers Assembly 3. Set the ferrite core to the ferrite holder wide, and attach the ferrite holder wide to the front cover assy with the two hooks. 4. Pass the flexible flat cable:20706ASFBI and FFC of touch panel through the each hole of front cover assy.
Page 237 Application of Main frame and covers Assembly 9-3 Attachment of FC jack assy 1. Attach the clip to the front cover assy with the screw (taptite, cup B M3x8). 2. Set the FC jack assy to the front cover assy with the nut-N. 3.
Page 238 Application of Main frame and covers Assembly 9-4 Attachment of Panel board holder and Panel PCB assy 1. Attach the panel board holder to the front cover assy with the four screws (taptite, cup B M3x8). Taptite, Cup B M3X8 Front cover assy Panel board holder Taptite, cup B M3x8...
Page 239 Application of Main frame and covers Assembly 2. Attach the panel PCB assy to the panel board holder with the four screws (screw, bind M3x6). 3. Connect the lead wire assy MFFC to the CN8 on the panel PCB assy. Connect the FFC of touch panel to the CN10 on the panel PCB assy, and lock it.
Page 240 Application of Main frame and covers Assembly 9-5 Attachment of Ground plate USB holder, Head phone jack assy and USB cover 1. Attach the ground plate USB to the ground plate USB holder with the two screws (screw, bind M3x6). Attach the ground plate USB holder to the panel board holder with the two screws (screw, bind M3x6).
Page 241 Application of Main frame and covers Assembly 9-6 Attachment of Speaker assy and Lead wire assy main-panel 1. Attach the speaker assy and the speaker bracket to the speaker cover F with the two screws (taptite, bind B M3x12). 2. Pass the speaker lead wire through the hole of speaker cover F. Attach the speaker cover R to the speaker cover F with the two hooks.
Page 242 Application of Main frame and covers Assembly 9-7 Attachment of Buttons, SS PCB assy and Threader switch PCB assy 1. Set the LED cover, operation button A, operation button B, SS-button and SS PCB assy to the front cover assy, and secure them with the four screws (taptite, bind B M3x8). 2.
Page 243 Application of Main frame and covers Assembly 9-8 Attachment of SV keytop assy and VR PCB assy 1. Set the SV keytop assy and SV guide to the front cover assy, and secure them with the two screws (taptite, bind B M3x8). 2.
Page 244 Application of Main frame and covers Assembly Assembly of Belt cover lower assy 1. Attach the connector cover to the belt cover lower assy. Belt cover lower assy Connector cover Assembly of Belt cover assy 1. Attach the card cover to the belt cover assy. 2.
Page 245 Application of Main frame and covers Assembly Assembly of Face plate assy 1. Set the NT lower thread cutter to the face plate cutter holder, and attach the face plate cutter holder to the face plate assy with the two hooks. Face plate assy NT lower thread cutter Hook...
Page 246 Application of Main frame and covers Assembly Assembly of Accessory table assy 1. Attach the ACC table front cover assy to the accessory table assy. Accessory table assy ACC table front cover assy 3 - 148...
Page 247 Application of Needle-presser module Assembly Needle-presser module location diagram 3 - 149...
Page 248 Application of Needle-presser module Assembly Lubrication Lubrication point Lubricating oil type Quantity of lubrication Shaft bushing 2 places FBK OIL RO 100 1 to 2 drops Upper unit holder assy 1 place EPNOC AP (N) 0 Light covering Unit shaft 1 place FBK OIL RO 100 1 to 2 drops...
Page 249 Application of Needle-presser module Assembly Lubrication point Lubricating oil type Quantity of lubrication 18 Shaft 1 place MOLYKOTE M DISPERSION Thinly all surface 2 places MOLYKOTE EM30L Small amount Needle bar crank rod assy 1 place MOLYKOTE M DISPERSION* 1 to 2 drops 1 place MOLYKOTE M DISPERSION 1 to 2 drops...
Page 250 Application of Needle-presser module Assembly Attachment of Presser bar clamp assy, Presser bar and Thread take-up lever link 1. Set the presser foot rack to the upper unit holder assy. 2. Set the presser bar clamp assy to the back of upper unit holder, and fit the shaft of presser bar clamp assy into the groove on upper unit holder.
Page 251 Application of Needle-presser module Assembly Attachment of Unit shaft, Thread take-up counter weight, Thread take-up lever assy and Needle bar crank rod assy 1. Attach the retaining ring E8 to the unit shaft. Insert the unit shaft into the washer,thrust, upper unit holder assy, another washer,thrust and thread take-up counter weight.
Page 252 Application of Needle-presser module Assembly Attachment of Release plate assy, Z zigzag lever sub assy and Z zigzag release cam 1. Set the release plate assy to the upper unit holder assy. 2. Attach the Z lever cup to the Z zigzag lever sub assy. Set the Z zigzag lever sub assy to the upper unit holder assy.
Page 253 Application of Needle-presser module Assembly 4. Attach the retaining ring E2 to the shaft of release plate assy. 5. Attach the retaining ring E3 to the shaft of Z zigzag lever sub assy. 6. Align the groove of Z zigzag release cam with the shaft A of release plate assy and shaft B of Z zigzag lever sub assy, and set the Z zigzag release cam to the upper unit holder assy.
Page 254 Application of Needle-presser module Assembly Attachment of Lever AB 1. Attach the retaining ring E2 to the groove A on lever guide shaft. Attach the lever guide shaft to the upper unit holder assy, and attach the retaining ring E2 to the lever guide shaft. 2.
Page 255 Application of Needle-presser module Assembly Attachment of Threader hook assy 1. Set the spring (XC9616) to the thread guide assy, and assemble the threader hook assy, link A assy, link B and thread guide assy. *Key point • Assemble the threader hook assy so that a triangle is formed. 2.
Page 256 Application of Needle-presser module Assembly Attachment of Thread guide plate and Needle bar supporter assy 1. Attach the thread guide plate to the upper unit holder assy. 2. Insert the needle bar supporter assy into the upper unit holder assy, and set the position “A” of needle bar supporter assy to the positioning groove of lever AB.
Page 257 Application of Needle-presser module Assembly Attachment of Springs 1. Attach the spring (XC7816) to the plate and lever AB. Attach the spring (XC2429) to the upper unit holder assy and plate. Attach the spring, tension (XE5580) to the upper unit holder assy and plate. Attach the spring-Z (XC2748) to the upper unit holder assy and needle bar supporter assy.
Page 258 Application of Needle-presser module Assembly Attachment of Zigzag adjusting nut 1. Set the zigzag adjusting nut to the needle bar supporter assy, and tighten the screw (bolt, socket M3x10) temporarily. *Key point • Fully tighten the screw after performing "Adjustment of Left base line needle drop".
Page 259 Application of Needle-presser module Assembly Attachment of Needle holder block base, Presser bar support plate, Needle holder block assy and W presser adjust plate 1. Align the two positioning holes of needle holder block base with the two bosses of upper unit holder assy, and attach the needle holder block base to the upper unit holder assy with the screw (taptite, bind B M4x10).
Page 260 Application of Needle-presser module Assembly Attachment of Needle thread block, Needle bar hook stand assy and Needle bar assy 1. Set the needle thread plate to the needle block. Attach the needle bar thread guide Q, needle block and needle thread guide spring to the needle bar with the screw (screw SM2.38). Tighten the needle clamp screw to the needle block.
Page 261 Application of Needle-presser module Assembly Attachment of Release guide plate and Spring guard 1. Attach the spring (XD1489) to the plate and needle bar hook stand assy. 2. Align the positioning hole of release guide plate with the boss of needle bar supporter assy, and insert the pin of needle bar hook stand assy into the groove of release guide plate, then set the release guide plate and the spring guard to the needle bar supporter assy with the two screws (screw, bind M3x6).
Page 262 Application of Needle-presser module Assembly Attachment of Pulse motor Z and Z INIT PCB assy 1. Attach the pulse motor Z to the upper unit holder assy with the screw (taptite, bind B M3x10). 2. Align the notch of Z INIT PCB assy with the pin of upper unit holder assy, set the Z INIT PCB assy, align the positioning hole of Z INIT PCB holder with the pin of upper unit holder assy, set the Z INIT PCB holder, and then secure them to the upper unit holder assy with the screw (taptite, bind B M3x10).
Page 263 Application of Needle-presser module Assembly Attachment of Lift lever and Adjusting plate assy 1. Insert the presser lift lever shaft into the lift lever holder assy, spring torsion (XE4040), lift lever and lift lever holder assy, then attach the retaining ring E4 to the presser lift lever shaft. Attach the lift lever holder assy to the upper unit holder assy with the screw (taptite, bind B M4x10) while pulling up the lift lever.
Page 264 Application of Needle-presser module Assembly Attachment of Lock nut, Presser dial gear and Presser dial 1. Tighten the lock nut until it comes to the middle of the screw (set screw, socket (CP) M4x12). Tighten the screw (set screw, socket (CP) M4x12) to the upper unit holder assy until the lock nut comes in contact with the upper unit holder assy.
Page 265 Application of Needle-presser module Assembly Attachment of Presser PM holder, PF INIT PCB assy and PFPM insulation assy 1. Set the washer, washer, wave spring and presser PM holder to the presser dial shaft assy, and secure them to the upper unit holder assy with the screw (screw, bind M4x5) and two screws (taptite, bind B M4x10).
Page 266 Application of Needle-presser module Assembly Attachment of PF switch assy and PT holder assembly 1. Align the boss of PF switch assy with the positioning hole of presser switch holder, and set the PF switch assy to the presser switch holder. Align the positioning hole of PF switch assy with the boss of adjusting plate assy, and attach the presser switch holder to the adjusting plate assy with the screw (screw, bind M3x4).
Page 267 Application of Needle-presser module Assembly Attachment of BH switch assy and Presser foot holder assy 1. Align the positioning hole of BH switch assy with the boss of upper unit holder assy, and attach the BH switch assy to the upper unit holder assy with the screw (taptite, pan B M4x12). *Key point •...
Page 268 Application of Needle-presser module Assembly Attachment of Camera relay PCB assy 1. Attach the CMR holder ADJ to the CMR holder base, and then tighten the screw (bolt, socket (S/P washer) M3x6) temporarily. *Key point • Check that the boss part of the CMR holder ADJ engaged with the positioning hole of the CMR holder base. •...
Page 269 Application of Needle-presser module Assembly 5. Attach the camera relay PCB assy to the CMR holder base with the screw (screw, bind M3x6). *Key point • Check that the boss part of the CMR holder base engaged with the positioning hole of the camera relay PCB assy.
Page 270 Application of Thread cutter module Assembly Thread cutter module location diagram 3 - 172...
Page 271 Application of Thread cutter module Assembly Lubrication Lubrication point Lubricating oil type Quantity of lubrication Groove of thread cutter assy 2 places EPNOC AP (N) 0 Light covering Cutter cam gear 1 place EPNOC AP (N) 0 Light covering Thread cutter lever gear assy 1 place EPNOC AP (N) 0 Light covering...
Page 272 Application of Thread cutter module Assembly Attachment of Gears, PF pulse motor assy, Photo transistor PCB assy and Thread cutter lever 1. Set the cutter cam gear to the shaft of motor holder assy, and then secure it with the retaining ring external C3.
Page 273 Application of Thread cutter module Assembly 6. Set the photo transistor PCB assy to the sensor holder, and then hang the two hooks on the photo transistor PCB assy. Pass the photo transistor PCB assy lead wire through the securing fixtures. Attach the sensor holder to the motor holder assy with the screw (screw, pan (S/P washer) M3x6).
Page 274 Application of Thread cutter module Assembly Assembly and Attachment of Thread cutter assy 1. Align the positioning hole of cutter pile assy with the boss of thread cutter assy, and attach the cutter pile assy to the thread cutter assy with the screw (screw, bind M3x4). 2.
Page 275 Application of Feed module Assembly Feed module location diagram 3 - 177...
Page 276 Application of Feed module Assembly Lubrication Lubrication point Lubricating oil type Quantity of lubrication 1 place Oiler Apply liberally Outer rotary hook shaft 1 place EPNOC AP (N) 0 Rice-grain size Shaft supporter 1 place MOLYKOTE EM30L Small amount 1 place MOLYKOTE EM30L Small amount Vertical rod...
Page 277 Application of Feed module Assembly Lubrication point Lubricating oil type Quantity of lubrication FPM holder assy 1 place FBK OIL RO 100 1 to 2 drops 1 place EPNOC AP (N) 0 Rice-grain size Feed gear 1 place EPNOC AP (N) 0 Bead 1 place FBK OIL RO 100...
Page 278 Application of Feed module Assembly Attachment of Stopper plate block assy and Feed arm assy 1. Align the shaft of stopper plate block assy with the positioning hole of base plate assy, and attach the stopper plate block assy to the base plate assy with the screw (screw, bind M4x5). 2.
Page 279 Application of Feed module Assembly Attachment of Feed adjuster gear assy, F INIT PCB assy and FPM holder assy 1. Attach the two retaining rings 10 to the groove A and B on shaft bushing. 2. Insert the shaft bushing to the FPM holder assy, tighten the screw (set screw, socket (CP) M4x4) temporarily, and attach the retaining ring 10 to the groove C on shaft bushing.
Page 280 Application of Feed module Assembly 6. Align the boss of FPM sensor plate with the positioning hole of FPM holder assy, and attach the FPM sensor plate to the FPM holder assy with the screw (screw, bind M3x5). Align the notch of F INIT PCB assy with the boss of FPM sensor plate, and attach the F INIT PCB assy to the FPM sensor plate with the screw (screw, bind M3x5).
Page 281 Application of Feed module Assembly Attachment of Drop assy and Lower shaft B assy 1. Set the set screw collar, washer thrust, lower shaft bushing and another washer thrust to the lower shaft B assy, and attach the retaining ring E6. 2.
Page 282 Application of Feed module Assembly 4. Align the two bosses of bushing supporter A with the two positioning holes of base plate assy, and set the bushing supporter A to the base plate assy. Set the two lower shaft bushings of lower shaft B assy to the mounting position of bushing supporter A and the mounting position of base plate assy.
Page 283 Application of Feed module Assembly Alignment of Feed adjuster gear assy and F initial shutter position 1. When the feed adjuster gear assy comes in contact with the lower shaft B assy and the gap between the F initial shutter and lower shaft B assy is 0.25 to 0.85 mm, fully tighten the screw (set screw, socket (CP) M4x4).
Page 284 Application of Feed module Assembly Attachment of Drop lever Q and Vertical feed bush 1. Attach the two retaining rings E2 to the slide shafts A. Align the rib of drop lever Q with the groove of drop assy, and set the drop lever Q to the base plate assy. Insert the two slide shafts A into the drop lever Q, base plate assy and drop lever Q, then attach the two retaining rings E2 to the two slide shafts 2.
Page 285 Application of Feed module Assembly Attachment of Lock nut, Feed bar assy and Outer rotary hook assy 1. Tighten the screw (set screw, socket (FT) M4x10) until the screw end comes to 1 mm above the lock nut head. Attach the screw to the feed bar assy, and then attach the cap to the screw. 2.
Page 286 Application of Feed module Assembly 4. Insert the outer rotary hook shaft into the spacer, outer rotary hook assy, washer 6, spacer and shaft supporter, and then tighten the screw (set screw, socket (CP) M4x6) temporarily. 5. Set the feed dog to the feed bar assy, and then tighten the two screws (screw, bind M3x6) temporarily. *Key point •...
Page 287 Application of Feed module Assembly Attachment of Inner rotary hook bracket assy, Inner rotary hook assy and Needle plate A assy 1. Set the side feed adjust plate to the feed bar assy, and then tighten the two screws (screw, pan (S/P washer) M3x7) temporarily.
Page 288 Application of Embroidery unit Assembly Embroidery unit location diagram 3 - 190...
Page 289 Application of Embroidery unit Assembly Lubrication Lubrication point Lubricating oil type Quantity of lubrication XY pulse motor assy 2 places FBK OIL RO 100 1 to 2 drops Driving pulley 10 places EPNOC AP (N) 0 Small amount Y guide shaft 1 place MOLYKOTE M DISPERSION Thinly all surface...
Page 290 Application of Embroidery unit Assembly Assembly of Timing belt 1. Set the tension pulley assy to the main frame assy, and tighten the two screws (screw, pan (S/P washer) M4x8) temporarily. Hang the timing belt 40S2M676 on the tension pulley assy and the driving pulley.
Page 291 Application of Embroidery unit Assembly Attachment of X INIT PCB assy and XY pulse motor assy 1. Slide the X carriage assy to the center position. 2. Attach the X INIT PCB assy to the main frame assy with the screw (screw, bind M3x6). 3.
Page 292 Application of Embroidery unit Assembly Attachment of X roller plate assy 1. Attach the X roller rubber to the X roller. Set the X roller to the shaft of X roller plate assy, and then secure it with the retaining ring E3. 2.
Page 293 Application of Embroidery unit Assembly Attachment of Timing belt and Y slider 1. Set the tension pulley assy to the X carriage unit, and tighten the two screws (screw, pan (S/P washer) M4x8) temporarily. Hang the timing belt 40S2M862 on the tension pulley assy and driving pulley. *Key point •...
Page 294 Application of Embroidery unit Assembly Attachment of Y carriage assy 1. Insert the Y guide shaft into the Y carriage assy. Set the Y guide shaft to the main frame assy, and then secure it with the two screws (screw, pan (S/P washer) M4x8). *Key point •...
Page 295 Application of Embroidery unit Assembly Attachment of Hole cover and Flexible flat cable:SML2CD-6 1. Slide the Y carriage assy to come in sight of the hole. 2. Attach the hole cover to the X carriage unit. 3. Attach the X carriage cover rubber to the X carriage unit. X carriage cover rubber Hole X carriage unit...
Page 296 Application of Embroidery unit Assembly 4. Slide the Y carriage assy to come in sight of the two positioning holes. 5. Set the FFC support to the flexible flat cable:SML2CD-6, and attach the FFC support to the Y carriage assy with the two screws (screw, bind M3x6). *Key point •...
Page 297 Application of Embroidery unit Assembly Attachment of Y INIT PCB assy and XY pulse motor assy 1. Set the notch of Y INIT PCB assy to the shaft of X carriage unit, and attach the Y INIT PCB assy to the X carriage unit with the screw (screw, bind M3x6).
Page 298 Application of Embroidery unit Assembly Attachment of Y relay PCB assy 1. Attach the Y relay PCB assy and clip to the X carriage unit with the two screws (screw, pan (S/P washer) M3x7). 2. Connect the Y INIT PCB lead wire to the Y relay PCB assy. Connect the lead wire assy YPM to the Y relay PCB assy, and clip the lead wire assy YPM together.
Page 299 Application of Embroidery unit Assembly Attachment of Adjusting screw assy and ES base cover LID CW 1. Tighten the adjusting screw assy to the ES base cover assy. (two locations) 2. Attach the ES base cover LID CW to the ES base cover assy with the hook. ES base cover assy Hook ES base cover LID CW...
Page 300 Application of Embroidery unit Assembly Attachment of X roller guide plate 1. Attach the X roller guide plate to the ES base cover assy with the three screws (taptite, cup B M4x14). Taptite, Cup B M4X14 Taptite, cup B M4x14 X roller guide plate ES base cover assy...
Page 301 Application of Embroidery unit Assembly Attachment of CW switch assy 1. Attach the cut work switch assy to the needle plate SW holder with the hook. Set the needle plate SW holder to the CW switch assy. 2. Attach the CW switch assy to the ES base cover assy with the two screws (taptite, bind B M3x10). 3.
Page 302 Application of Embroidery unit Assembly Attachment of Lead wire assy EMB unit V 1. Set the EM connector holder and the lead wire assy EMB unit to the ES base cover unit, and then secure them with the two screws (screw, pan (washer) M3x18). Screw, Pan (S/P washer) M4X8 EM connector holder Lead wire assy EMB unit V...
Page 303 Application of Embroidery unit Assembly Attachment of ES base cover unit 1. Slide the X carriage assy to come in sight of the two screw holes. 2. Attach the ES base cover unit to the main frame assy with the two screws (taptite, cup B M4x14). Tighten the four screws (screw, pan (S/P washer) M4x8) to the back of ES base cover unit.
Page 304 Application of Embroidery unit Assembly Attachment of EMB relay PCB assy 1. Attach the EMB relay PCB assy to the relay PCB holder with the four screws (screw, pan (S/P washer) M3x6). 2. Connect the flexible flat cable:SML2CD-7 to the CN5 on the EMB relay PCB assy and lock it. Connect the flexible flat cable:SML2CD-6 to the CN2, cut work switch assy lead wire to the CN6, X INIT PCB assy lead wire to the CN4, XPM lead wire assy to the CN3 and lead wire assy EMB unit to the CN1.
Page 305 Application of Embroidery unit Assembly Attachment of ES main cover assy 1. Attach the CW unit holder assy to the ES main cover assy with the two screws (taptite, cup B M4x14). 2. Set the ES CW cap to the ES main cover assy. 3.
Page 306 Application of Embroidery unit Assembly Assembly of E hoop stay plate assy 1. Align the positioning hole of frame sensor PCB assy with the boss of E hoop stay plate assy, and attach the frame sensor PCB assy to the E hoop stay plate assy with the two screws (screw, pan (S/P washer) M3x7).
Page 307 Application of Embroidery unit Assembly Attachment of E hoop stay plate assy 1. Connect the flexible flat cable:SML2CD-6 to the frame sensor PCB assy of E hoop stay plate assy, and then attach the E hoop stay plate assy to the Y carriage assy with the two screws (screw, bind M4x6). *Key point •...
Page 308 Application of Embroidery unit Assembly Attachment of X carriage cover and YPM cover 1. Insert the tab of X carriage unit into the tab tray of X carriage cover, and attach the X carriage cover to the X carriage unit with the screw (screw, pan (T washer) M4x8). 2.
Page 309 Application of Dual feed assy Assembly Dual feed assy location diagram 3 - 211...
Page 310 Application of Dual feed assy Assembly Assembly of Dual feed assy 1. Connect the extension code connector to the DF PCB assy and hook the extension code to the guide. *Key point • Refer to "Wiring of Dual feed assy". 2.
Page 311 Application of Dual feed assy Assembly 4. Keep holding the tub of the changeover thumb at the section "B" (DF belt gets lowered) of the DF cover R and set it to the dual feed. Secure it with the screw (screw, pan (S/P washer) M26x8 DA) and screw (taptite, bind B M3x10).

This manual is also suitable for:

Bldy2

Baby Lock BLDY Service Manual

Regulation X

Application of Disassembly/Assembly

Quick Links

Chapters

Related Manuals for Baby Lock BLDY

Summary of Contents for Baby Lock BLDY

This manual is also suitable for:

Table of Contents