Brother S-7200C Manual de servicio

S-7200C Please read this manual before making any adjustments. SINGLE NEEDLE DIRECT DRIVE STRAIGHT LOCK STITCHER WITH THREAD TRIMMER SERVIC

S-7200C 1. MACHINE SPECIFICATIONS1 １. MACHINE SPECIFICATIONS 3 4 Quick reverse O O Thread wiper - O 0 3 5 Lubrication type Minimum lubr

9. ASSEMBLY S-7200C 91 ９-２. Reverse lever 1. Handle shaft support 2. Reverse lever assembly 3. Screw [2 pcs] 4. Socket bolt (Tighten) 5. Spring

9. ASSEMBLY S-7200C 92９-３. Plunger, rotary hook shaft, rotary hook shaft gear and thread trimmer cam 1. Rotary hook shaft (Insert) 2. Thread t

9. ASSEMBLY S-7200C 93 ９-４. Lower shaft, lower shaft gear and feed regulator unit 1. Lower shaft assembly 2. Feed regulator assembly 3. Lower s

9. ASSEMBLY S-7200C 94９-５. Feed mechanism (1) 1. Feed regulator assembly 2. Feed regulator shaft L 3. Feed regulator support shaft 4.

9. ASSEMBLY S-7200C 95 ９-６. Feed mechanism (2) 1. Feed regulator shaft (Insert) 2. Spring hook arm assembly 3. Set screw (Align with screw s

9. ASSEMBLY S-7200C 96９-７. Upper shaft mechanism 1. Upper shaft assembly (Insert) 2. Set screw [One at upper shaft side] (Align with screw sto

9. ASSEMBLY S-7200C 97 ９-８. Timing belt 1. Timing belt 2. Flange 3. Fan 4. Screw [3 pcs] ９-９. Pulley, motor and ground wire 1. Motor (Insert

9. ASSEMBLY S-7200C 98９-１０. Knee lifter lever mechanism 1. Knee lifter lever 2. Shoulder screw 3. Presser bar lifter lever assembly (Insert) 4. S

9. ASSEMBLY S-7200C 99 ９-１１. Needle bar and thread take-up mechanism 1. Washer 2. Thread take-up lever assembly 3. Needle bar crank 4. Set

9. ASSEMBLY S-7200C 100９-１２. Presser foot mechanism 1. Presser bar lifter lever shaft (Insert) 2. Tension release plate 3. Washer 4. Presser

S-7200C 2. NOTES ON HANDLING2２. NOTES ON HANDLING About the machine set-up location ・ Do not set up this sewing machine near other equipment such

9. ASSEMBLY S-7200C 101 ９-１３. Feed rock shaft 1. Feed rock shaft (Insert) 2. Washer 3. Set screw collar 4. Feed rock arm ９-１４. Feed mechani

9. ASSEMBLY S-7200C 102９-１５. Feed mechanism (2) 1. Quick reverse solenoid plunger 2. Pin 3. Washer ９-１６. Feed bar mechanism 1. Feed dog 2. F

9. ASSEMBLY S-7200C 103 ９-１７. Tube holder, safety switch and quick reverse solenoid 1. Quick reverse solenoid 2. Screw [2 pcs] 3. Tube holder 4. Sc

9. ASSEMBLY S-7200C 104９-１８. Thread trimmer mechanism 1. Forked shaft (Insert) 2. Thread trimmer cam lever shaft (Insert) 3. Rubber cushion 4.

9. ASSEMBLY S-7200C 105 ９-１９. Oil tank, bed bottom cover and sub tank 1. Bed bottom cover 2. Screw [9 pcs] 3. Screw 4. Oil tank 5. Screw [

9. ASSEMBLY S-7200C 106９-２０. Needle, presser foot and R-actuator 1. Presser foot 2. Finger guard 3. Washer 4. Screw 5.

9. ASSEMBLY S-7200C 107 ９-２１. Thread tension mechanism 1. Thread guide 2. Pre-tension assembly 3. Arm thread guide R

9. ASSEMBLY S-7200C 108９-２２. Tension release wire and thread trimmer solenoid 1. Tension release wire (Insert into tension release plate) 2

9. ASSEMBLY S-7200C 109 ９-２３. Wick holder and oil tube (-[]0[] specifications) 1. Vinyl tube (Insert) 2. Vinyl tube (Insert into wire cord holde

9. ASSEMBLY S-7200C 110９-２５. Rotary hook 1. Rotary hook 2. Set screw [3 pcs] (Tighten) 3. Bobbin case 4. Hook stopper 5. Screw (Tighten)

S-7200C 3. COMPARISON OF FUNCTIONS (G50 AND G10 OPERATION PANELS)3 ３. COMPARISON OF FUNCTIONS (G50 AND G10 OPERATION PANELS) G10 operation panel

9. ASSEMBLY S-7200C 111 ９-２６. Stand 1. Stand L [2 pcs] 2. Stand R [2 pcs] ９-２７. Needle plate, feed dog, etc. 1. Needle plate 2. Flat scr

9. ASSEMBLY S-7200C 112９-２８. Covers and operation panel (1) 4434M 1. Face plate assembly 2. Screw [3 pcs] 3. Cord holder 4. Screw 5. Motor cover 6.

9. ASSEMBLY S-7200C 113 ９-２９. Covers and operation panel (2) 1. Head detector unit 2. Screw [2 pcs] 3. Cord [2 pcs] 4. Screw [3 pcs] (Tighten)

9. ASSEMBLY S-7200C 114９-３１. Connector 1. Head detector unit connector 2. Operation panel connector 3. Resolver connector 4. Connector 5. Motor co

S-7200C 10. ADJUSTMENTS 115 １０. ADJUSTMENTS CAUTION Maintenance and inspection of the sewing machine should only be carried out by a qualifie

S-7200C 10. ADJUSTMENTS 116Sewing machine Table １０-２. Adjusting the safety switch position The safety switch (1) is normally installed as shown in f

S-7200C 10. ADJUSTMENTS 117 １０-３. Adjusting the thread take-up spring <Thread take-up spring position> The standard position of the thread tak

S-7200C 10. ADJUSTMENTS 118１０-４. Adjusting arm thread guide R The standard position of arm thread guide R (1) is the position where the screw (2) is

S-7200C 10. ADJUSTMENTS 119 １０-６. Quick reverse device 1. Turn the stitch length dial to the maximum setting. 2. Remove the side plate. 3. Tilt b

S-7200C 10. ADJUSTMENTS 120１０-８. Adjusting the feed dog height The standard height of the feed dog (1) when it is at its maximum height above the to

S-7200C 4. FUNCTION SETTINGS (G50 OPERATION PANEL)4４. FUNCTION SETTINGS (G50 OPERATION PANEL) ４-１. List of advanced functions This section contains

S-7200C 10. ADJUSTMENTS 121 １０-９. Adjusting the feed dog angle The standard angle for the feed dog (1) when it is at its highest position above the

S-7200C 10. ADJUSTMENTS 122１０-１０. Adjusting the needle bar height Reference line (a), which is the second line from the bottom of the needle bar (1)

S-7200C 10. ADJUSTMENTS 123 １０-１２. Adjusting the needle and rotary hook timing The tip of the rotary hook (3) should be aligned with the center of t

S-7200C 10. ADJUSTMENTS 124 １０-１３. Adjusting the thread trimming timing Remove the presser foot, needle plate and feed dog. < Thread trimming ca

S-7200C 10. ADJUSTMENTS 125 １０-１４. Adjusting the thread take-up amount (-[][]3 specifications) CAUTION Turn off the power switch before carryi

S-7200C 10. ADJUSTMENTS 126１０-１５. Adjusting the needle up stop position <G50 operation panel> 1 (While pressing the key (1

S-7200C 10. ADJUSTMENTS 127 <G10 operation panel > 1 (While pressing the key (1), press the power ON switch.) “MorG” will appear in t

S-7200C 10. ADJUSTMENTS 128１０-１６. Adjusting the treadle <Forward depression sensitivity adjustment> If the machine starts running at low speed

S-7200C 10. ADJUSTMENTS 129 １０-１８. Adjusting the tension release wire If the tension discs remain open or if the upper thread pulls out from the nee

S-7200C 10. ADJUSTMENTS 130１０-１９. Adjusting the rotary hook lubrication amount (-[]0[], []3[] specifications) CAUTION Be careful not to touch

S-7200C 4. FUNCTION SETTINGS (G50 OPERATION PANEL)5 ４-２. List of special functions when power is turned on This section contains a list of functio

S-7200C 11. REPLACING PARTS 131 １１. REPLACING PARTS CAUTION Replacement of parts should only be carried out by a qualified technician. Use only

S-7200C 11. REPLACING PARTS 132１１-３. Motor and timing belt < Timing belt removal > 1. Remove the side plate (1). 2. Remove the five screws (2

S-7200C 11. REPLACING PARTS 133 < Timing belt installation > 1. Place the timing belt (4) onto timing pulley U (14). 2. Secure the motor (12

S-7200C 11. REPLACING PARTS 134 < Timing belt installation check > 1. Check that the needle and rotary hook timing is correct. (Refer to “10-1

S-7200C 11. REPLACING PARTS 135 １１-４. Rotary hook RP If replacing the standard rotary hook with a rotary hook RP (lubrication-free rotary hook) on s

S-7200C 11. REPLACING PARTS 136１１-５. Feed bar shaft, lifting feed shaft When changing over these parts, apply grease as described below and then ins

S-7200C 12. APPLYING GREASE (-[]3[], []5[] SPECIFICATIONS) 137 １２. APPLYING GREASE (-[]3[], []5[] SPECIFICATIONS) １２-１. When “GrEASEUP” appears…When

S-7200C 12. APPLYING GREASE (-[]3[], []5[] SPECIFICATIONS) 138 1. Turn the power switch to “OFF”. 2. Remove the screws an

S-7200C 12. APPLYING GREASE (-[]3[], []5[] SPECIFICATIONS) 139 １２-２. When “GrUP” appears ... When using the G10 operation panel If “GrUP” flashes in

S-7200C 12. APPLYING GREASE (-[]3[], []5[] SPECIFICATIONS) 140 1. Turn the power switch to “OFF”. 2. Remove the screws

S-7200C 4. FUNCTION SETTINGS (G50 OPERATION PANEL)6４-３. Maximum sewing speed and start backtack sewing speed setting methods If the LOCK key icon

S-7200C 13. SETTING METHOD FOR STANDARD DEPRESSION STROKES 141 １３. SETTING METHOD FOR STANDARD DEPRESSION STROKES DANGER Wait at least 5 minutes af

S-7200C 13. SETTING METHOD FOR STANDARD DEPRESSION STROKES 142 5 Memorizing the maximum backward position “Pd-- ” will appear in the main d

S-7200C 13. SETTING METHOD FOR STANDARD DEPRESSION STROKES 143 １３-２. When using the G10 operation panel 1 Signal setting entry (Press the p

S-7200C 13. SETTING METHOD FOR STANDARD DEPRESSION STROKES 144 6 Completion of setting The buzzer will sound and “ End” will appear in the

S-7200C 14. CONTROL BOX AND MOTOR145 １４. CONTROL BOX AND MOTOR １４-１. Checking the motor and power supply CAUTION Turn off the power switch and di

S-7200C 14. CONTROL BOX AND MOTOR146１４-２. Checking the solenoids DANGER Wait at least 5 minutes after turning off the power switch and disconnectin

S-7200C 15. STANDING OPERATION PEDAL 147 １５. STANDING OPERATION PEDAL The foot plug assembly CDD (J04099-101) that is sold separately is required.

S-7200C 15. STANDING OPERATION PEDAL 148１５-２. Connectors <At foot plug> <At pedal> Variable speed pedal

S-7200C 16. WIRING DIAGRAMS (X-7200C) 149 １６. WIRING DIAGRAMS (X-7200C) 2122B

S-7200C 17. CONNECTOR LAYOUT DIAGRAM (MAIN PCB) 150１７. CONNECTOR LAYOUT DIAGRAM (MAIN PCB) (Contin

S-7200C 4. FUNCTION SETTINGS (G50 OPERATION PANEL)7 ４-４. Using the LOCK key When the power switch is turned on, the LOCK key (1) turns on. (The ico

S-7200C 17. CONNECTOR LAYOUT DIAGRAM (MAIN PCB) 151 <List of connector numbers> Connector No. Name Description P8 Head detector unit conne

S-7200C 18. COMBINATION OF TRANSFORMER SPECIFICATIONS AND CONTROL DEVICE SPECIFICATIONS 152１８. COMBINATION OF TRANSFORMER SPECIFICAT

S-7200C 19. TROUBLESHOOTING 153 １９. TROUBLESHOOTING ・ Please check the following points before calling for repairs or service. ・ If the following re

S-7200C 19. TROUBLESHOOTING154 Problem Possible cause Page 5 Skipped stitches at sewing start Thread unravelling at sewing start ・ Is the thread tak

S-7200C 19. TROUBLESHOOTING 155 Problem Possible cause Page 8 Material slippage ・ Is the presser foot pressure too strong? Adjust the presser foot

S-7200C 19. TROUBLESHOOTING156 Problem Possible cause Page 13 Broken needles ・ Is the material being pushed or pulled with excessive force during se

S-7200C 19. TROUBLESHOOTING 157 Problem Possible cause Page 18 Nothing appears on the operation panel display ・ Is the power supply connector disc

S-7200C 19. TROUBLESHOOTING158１９-２. Error code displays If an error code appears on the operation panel display 1. Make a note of the error code an

S-7200C 19. TROUBLESHOOTING 159 Error code Possible cause Page E090 Treadle connector is not connected. ・ Is the 4-pin treadle connector inside t

S-7200C 19. TROUBLESHOOTING160 Error code Possible cause Page E150 Motor is overheating. ・ This is displayed when the motor becomes abnormally hot

S-7200C 4. FUNCTION SETTINGS (G50 OPERATION PANEL)8４-５. Memory switch setting method (Standard) NOTE: ・ This cannot be set if DIP switch 1 has been

S-7200C 19. TROUBLESHOOTING 161 Error code Possible cause Page E452 Head detector unit connection error ・ Is the 6-pin head detector unit connect

S-7200C 20. 7-SEGMENT DISPLAY 162２０. 7-SEGMENT DISPLAY 4268M

S-7200CI8120941B2009. 05. B (1)SERVICE MANUALPrinted in Japan

S-7200C 4. FUNCTION SETTINGS (G50 OPERATION PANEL)9 Presser foot lifter operation and pedal operation settings (001-) No. Setting range Initial valu

S-7200C 4. FUNCTION SETTINGS (G50 OPERATION PANEL)10Sewing machine motor settings (100-) No. Setting range Initial value Setting units Setting detai

S-7200C This service manual is intended for S-7200C; be sure to read the S-7200C instruction manual before this manual. Carefully read the “SAFETY I

S-7200C 4. FUNCTION SETTINGS (G50 OPERATION PANEL)11 Sewing program settings (400-) No. Setting range Initial value Setting units Setting details 40

S-7200C 4. FUNCTION SETTINGS (G50 OPERATION PANEL)12Standard device settings (500-) No. Setting range Initial value Setting units Setting details 50

S-7200C 4. FUNCTION SETTINGS (G50 OPERATION PANEL)13 ４-６. Memory switch setting method (Advanced) 1 Change to memory switch mode (While h

S-7200C 4. FUNCTION SETTINGS (G50 OPERATION PANEL)14Presser foot lifter and presser foot lifter pedal settings (050-) No. Setting range Initial valu

S-7200C 4. FUNCTION SETTINGS (G50 OPERATION PANEL)15 No. Setting range Initial value Setting units Setting details 080 -7-7 0 1 Treadle backwar

S-7200C 4. FUNCTION SETTINGS (G50 OPERATION PANEL)16Sewing machine motor settings (150-) No. Setting range Initial value Setting units Setting detai

S-7200C 4. FUNCTION SETTINGS (G50 OPERATION PANEL)17 No. Setting range Initial value Setting units Setting details 180 150-300 (sti/min) 220 (sti/m

S-7200C 4. FUNCTION SETTINGS (G50 OPERATION PANEL)18Panel operation settings (350-) No. Setting range Initial value Setting units Setting details 35

S-7200C 4. FUNCTION SETTINGS (G50 OPERATION PANEL)19 Sewing program settings (450-) No. Setting range Initial value Setting units Setting details 45

S-7200C 4. FUNCTION SETTINGS (G50 OPERATION PANEL)20Standard device settings (550-) No. Setting range Initial value Setting units Setting details 55

S-7200C i SAFETY INSTRUCTIONS [1] Safety indications and their meanings This service manual and the indications and symbols that are used on the mac

S-7200C 4. FUNCTION SETTINGS (G50 OPERATION PANEL)21 Error processing settings (650-) No. Setting range Initial value Setting units Setting details

S-7200C 4. FUNCTION SETTINGS (G50 OPERATION PANEL)22４-７. Data initialization function NOTE: When DIP switch 1 is set to ON, set it to OFF and then c

S-7200C 4. FUNCTION SETTINGS (G50 OPERATION PANEL)23 ４-８. Error history checking method The past error history can be checked by the following proce

S-7200C 4. FUNCTION SETTINGS (G50 OPERATION PANEL)24４-９. Input checking method This is used at the following times. ・ When there is a problem wit

S-7200C 4. FUNCTION SETTINGS (G50 OPERATION PANEL)25 <Input check list > The four characters on the left side of the main display on the opera

S-7200C 4. FUNCTION SETTINGS (G50 OPERATION PANEL)26 Item No. Item name Input status Check item and checking method [ 17] [ IN1] [ ON]-[ OFF]

S-7200C 4. FUNCTION SETTINGS (G50 OPERATION PANEL)27 <Resolver signal test> 1 Select the test number Test number Test name [ AL

S-7200C 4. FUNCTION SETTINGS (G50 OPERATION PANEL)28<Operation panel key input> Key name Display Key name Display [ HUD]

S-7200C 4. FUNCTION SETTINGS (G50 OPERATION PANEL)29 ４-１０. Output checking method This is used at the following times. ・ When there is a problem

S-7200C 4. FUNCTION SETTINGS (G50 OPERATION PANEL)30<Output check list > The four characters on the left side of the main display on the opera

S-7200C ii[2] Notes on safety DANGER Wait at least 5 minutes after turning off the power switch and disconnecting the power cord from the wall outle

S-7200C 4. FUNCTION SETTINGS (G50 OPERATION PANEL)31 Item No. Item name Output status Check item and checking method [ 14] [BUZZ] OFF Buzzer

S-7200C 4. FUNCTION SETTINGS (G50 OPERATION PANEL)32４-１１. Protection settings 1 Set the power switch to OFF, and then set DIP switch 1 to OFF. 2 Cha

S-7200C 4. FUNCTION SETTINGS (G50 OPERATION PANEL)33 [If set to level 3] To make individual settings, select level 3. 4 Confirm the protection lev

S-7200C 4. FUNCTION SETTINGS (G50 OPERATION PANEL)34<Protection setting list> ○: Enabled □: Immediately after the power is turned on, the LOCK

S-7200C 4. FUNCTION SETTINGS (G50 OPERATION PANEL)35 ４-１２. Software version checking method 1 Change to version display mode (While pressing the s

S-7200C 4. FUNCTION SETTINGS (G50 OPERATION PANEL)36４-１３. Viewing maintenance information This allows you to check the information which is stored i

S-7200C 4. FUNCTION SETTINGS (G50 OPERATION PANEL)37 ４-１４. Adjusting the sewing machine reference position 1 Change to sewing machine reference posi

S-7200C 5. FUNCTION SETTINGS (G10 OPERATION PANEL)38５. FUNCTION SETTINGS (G10 OPERATION PANEL) ５-１. List of special functions when power is turn

S-7200C 5. FUNCTION SETTINGS (G10 OPERATION PANEL)39 ５-２. Function setting method 1 Change to function setting mode (While pressing the

S-7200C 5. FUNCTION SETTINGS (G10 OPERATION PANEL)40<Setting item list> Display Setting item Setting item display Setting value display Se

S-7200C iii CAUTION Sewing This sewing machine should only be used by operators who have received the necessary training in safe use before

S-7200C 5. FUNCTION SETTINGS (G10 OPERATION PANEL)41 ５-３. Data initialization function NOTE: When DIP switch 1 is set to ON, set it to OFF and t

S-7200C 5. FUNCTION SETTINGS (G10 OPERATION PANEL)42５-４. Error history checking method The past error history can be checked by the following pr

S-7200C 5. FUNCTION SETTINGS (G10 OPERATION PANEL)43 ５-５. Input checking method This is used at the following times. ・ When there is a proble

S-7200C 5. FUNCTION SETTINGS (G10 OPERATION PANEL)44<Input check list > The display on the operation panel shows the item number/item name

S-7200C 5. FUNCTION SETTINGS (G10 OPERATION PANEL)45 Item No. Item name Input status Checking item and checking method [ 17] [ IN1] [ ON]

S-7200C 5. FUNCTION SETTINGS (G10 OPERATION PANEL)46<Resolver signal test> 1 Change to test number display 2 Select the test number

S-7200C 5. FUNCTION SETTINGS (G10 OPERATION PANEL)47 <Operation panel key input> Key name Display Key name Display [A-UP]

S-7200C 5. FUNCTION SETTINGS (G10 OPERATION PANEL)48５-６. Output checking method This is used at the following times. ・ When there is a problem

S-7200C 5. FUNCTION SETTINGS (G10 OPERATION PANEL)49 <Output check list > The display on the operation panel shows the item number/item na

S-7200C 5. FUNCTION SETTINGS (G10 OPERATION PANEL)50 Item No. Item name Output status Checking item and checking method [ 14] [BUZZ] OFF B

S-7200C iv [3] Warning labels The following warning labels appear on the sewing machine. Please follow the instructions on the labels at all times wh

S-7200C 5. FUNCTION SETTINGS (G10 OPERATION PANEL)51 ５-７. Protection settings 1 Set the power switch to OFF, and then set DIP switch 1 to OFF. 2

S-7200C 5. FUNCTION SETTINGS (G10 OPERATION PANEL)52[If set to level 3] To make individual settings, select level 3. 4 Confirm the protection

S-7200C 5. FUNCTION SETTINGS (G10 OPERATION PANEL)53 <Protection setting list> ○: Enabled ×: Disabled 3 (Individual setting) Level

S-7200C 5. FUNCTION SETTINGS (G10 OPERATION PANEL)54５-８. Software version checking method 1 Change to version display mode (While pressin

S-7200C 5. FUNCTION SETTINGS (G10 OPERATION PANEL)55 ５-９. Viewing maintenance information This allows you to check the information which is stor

S-7200C 5. FUNCTION SETTINGS (G10 OPERATION PANEL)56５-１０. Adjusting the sewing machine reference position 1 Change to sewing machine reference p

6. SETTING THE DIP SWITCHES (G50 AND G10 OPERATION PANELS) S-7200C 57６. SETTING THE DIP SWITCHES (G50 AND G10 OPERATION PANELS) DANGER Wait at lea

7. MECHANICAL DESCRIPTIONS S-7200C 58７. MECHANICAL DESCRIPTIONS The mechanisms operate in the order of the numbers given in the illustrations. * &l

7. MECHANICAL DESCRIPTIONS S-7200C 59 ７-２. Lower shaft and rotary hook mechanism 1. Pulley 2. Motor shaft 3. Joint assembly 4. Timing pulley U

7. MECHANICAL DESCRIPTIONS S-7200C 60７-３. Feed mechanism 1. Pulley 2. Upper shaft 3. Lower shaft (Feed dog up/down movement) (Feed dog for

S-7200C

7. MECHANICAL DESCRIPTIONS S-7200C 61 ７-４. Quick reverse mechanism (quick back mechanism) 1. Actuator <1> Reverse lever 2. Quick revers

7. MECHANICAL DESCRIPTIONS S-7200C 62７-５. Lubrication mechanism (thread take-up and rotary hook) This sewing machine’s lubrication mechanism is a dry

7. MECHANICAL DESCRIPTIONS S-7200C 63 ７-６. Thread trimming mechanism ７-６-１. Thread trimming mechanism operation sequence The illustration below shows

7. MECHANICAL DESCRIPTIONS S-7200C 643） Thread trimming complete and operation stopped 1. Extension spring <1> Thread trimmer lever [1

7. MECHANICAL DESCRIPTIONS S-7200C 65 ７-６-２. Upper and lower thread trimming sequence 1. The needle rises 1.8 mm from its lowest posi

7. MECHANICAL DESCRIPTIONS S-7200C 66７-７. Tension release mechanism (Presser foot is raised using the knee lifter plate (1)) (Pres

7. MECHANICAL DESCRIPTIONS S-7200C 67 ７-８. Thread wiper mechanism (option device) (Thread wiper signal is input) 1. Thread wiper solenoid 2. Thread

8. DISASSEMBLY S-7200C 68８. DISASSEMBLY DANGER Wait at least 5 minutes after turning off the power switch and disconnecting the power cord from the

8. DISASSEMBLY S-7200C 69 ８-２. Cable tie 1. Cable tie (Cut) 2. Cable tie (Cut) 3. Cable tie (Cut) 4. Cable tie (Cut) ８-３. Connector 1. Head

8. DISASSEMBLY S-7200C 70８-４. Operation panel and head detector unit 1. Screw [2 pcs] 2. Operation panel 3. Screw [6 pcs] 4. Side plate 5. Screw

S-7200C CONTENTS 1. MACHINE SPECIFICATIONS... 1 2. NOTES ON HANDLING... 2 3. COMPARISON OF FUNCTIONS (G50 AND G10

8. DISASSEMBLY S-7200C 71 ８-５. Covers and bobbin winder unit 4377M 1. Screw [3 pcs] 2. Face plate assembly 3. Screw [5 pcs] 4. Motor cover 5. Screw

8. DISASSEMBLY S-7200C 72８-６. Tension release wire and thread trimmer solenoid 1. Screw 2. Tension release wire 3. Screw 4. Wire holder D 5. Scr

8. DISASSEMBLY S-7200C 73 ８-７. Wick holder and oil tube (-[]0[] specifications) 1. Wick (Unite the knot) 2. Screw 3. Wick holder 4. Screw 5. Cor

8. DISASSEMBLY S-7200C 74８-８. Oil tank, bed bottom cover and sub tank -[]0[], []3[] specifications only 1. S

8. DISASSEMBLY S-7200C 75 ８-９. Stand 1. Stand L [2 pcs] 2. Stand R [2 pcs] ８-１０. Safety switch and quick reverse solenoid 1. Screw 2. Tube ho

8. DISASSEMBLY S-7200C 76８-１１. Needle, presser foot and R-actuator 1. Set screw 2. Needle 3. Screw 4. Finger guard ８-１２. Thread tension mechanis

8. DISASSEMBLY S-7200C 77 ８-１３. Needle plate, feed dog, etc. 1. Flat screw [2 pcs] 2. Needle plate 3. Slide plate 4. Screw [2 pcs] 5. Feed dog 6.

8. DISASSEMBLY S-7200C 78８-１４. Bobbin case, rotary hook and thread trimmer mechanism 1. Screw 2. Hook stopper 3. Bobbin case 4. Set screw [3 pcs

8. DISASSEMBLY S-7200C 79 ８-１５. Feed bar mechanism 1. Set screw (Loosen) 2. Feed lifting rock bar shaft 3. Screw [2 pcs] (Loosen) 4. Feed bar a

8. DISASSEMBLY S-7200C 80８-１７. Presser foot mechanism 1. Presser adjusting screw 2. Spring guide 3. Presser bar spring 4. Washer 5. Screw 6. Thr

S-7200C 9-10. Knee lifter lever mechanism ... 98 9-11. Needle bar and thread take-up mechanism... 99 9-12. Presser f

8. DISASSEMBLY S-7200C 81 ８-１８. Knee lifter lever mechanism 1. Shoulder screw 2. Knee lifter bar (Pull out) 3. Shoulder screw 4. Presser bar lift

8. DISASSEMBLY S-7200C 82８-２０. Needle bar and thread take-up mechanism 1. Rubber cap 2. Rubber cap [2 pcs] 3. Rubber cap 4. Rubber cap [2 pcs]

8. DISASSEMBLY S-7200C 83 ８-２１. Pulley and motor 1. Screw [3 pcs] 2. Pulley washer [3 pcs] 3. Pulley 4. Screw [3 pcs] 5. Screw 6. Ground wire 7

8. DISASSEMBLY S-7200C 84８-２２. Timing belt 1. Timing belt (Remove from timing pulley D) 2. Screw [3 pcs] 3. Fan 4. Flange 5. Timing belt (Remove

8. DISASSEMBLY S-7200C 85 ８-２４. Feed mechanism (2) 4395M 1. Set screw (Loosen) 2. Eccentric pin 3. Set screw (Loosen) 4. Set screw (Loosen) 5. S

8. DISASSEMBLY S-7200C 86８-２５. Feed mechanism (3) 1. Set screw [2 pcs] (Loosen) 2. Set screw [2 pcs] (Loosen) 3. Feed regulator shaft (Pull ou

8. DISASSEMBLY S-7200C 87 ８-２６. Lower shaft, lower shaft gear and feed regulator unit 1. Set screw [2pcs] (Loosen) 2. Set screw [2pcs] (Loosen)

8. DISASSEMBLY S-7200C 88８-２７. Plunger, rotary hook shaft, rotary hook shaft gear and thread trimmer cam 1. Rubber cap 2. Cap screw pump 3. Spring

9. ASSEMBLY S-7200C 89 ９. ASSEMBLY DANGER Wait at least 5 minutes after turning off the power switch and disconnecting the power cord from the wal

9. ASSEMBLY S-7200C 90 Assemble each part in the order shown in the illustration. Apply grease to the places marked with white arrows in the illu