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Brother S-7200C service manual

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S-7200C

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SINGLE NEEDLE DIRECT DRIVE STRAIGHT LOCK STITCHER

WITH THREAD TRIMMER

SERVICE MANUAL

Contents

Main S-7200C Page i SAFETY INSTRUCTIONS CAUTION DANGER [1] Safety indications and their meanings CAUTION Environmental requirements Installation iii CAUTION Sewing Cleaning Maintenance and inspection iv [3] Warning labels Page CONTENTS 5. FUNCTION SETTINGS (G10 OPERATION PANEL)................. 38 8. DISASSEMBLY.................................... 68 9. ASSEMBLY..........................................89 10. ADJUSTMENTS ...............................115 11. REPLACING PARTS........................ 131 16. WIRING DIAGRAMS (X-7200C)....... 12. APPLYING GREASE (-[]3[], []5[] SPECIFICATIONS)........ 137 13. SETTING METHOD FOR STANDARD DEPRESSION STROKES .............. 141 . MACHINE SPECIFICATIONS . NOTES ON HANDLING About the machine set-up location Carrying the machine Tilting back the machine head Returning the machine head to the upright position . COMPARISON OF FUNCTIONS (G50 AND G10 OPERATION PANELS) . FUNCTION SETTINGS (G50 OPERATION PANEL) -. List of advanced functions -. List of special functions when power is turned on 1 6 2 7 1 2 4 3 -. Using the LOCK key -. Memory switch setting method (Standard) Presser foot lifter operation and pedal operation settings (001-) Sewing machine motor settings (100-) Operation panel settings (300-) Sewing program settings (400-) Standard device settings (500-) -. Memory switch setting method (Advanced) Presser foot lifter and presser foot lifter pedal settings (050-) Page Sewing machine motor settings (150-) Page Panel operation settings (350-) Sewing program settings (450-) Standard device settings (550-) Error processing settings (650-) Specifications and destination settings (850-) -. Data initialization function -. Error history checking method -. Input checking method <Input check list > Page Page Page -. Output checking method <Output check list > Page -. Protection settings Page <Protection setting list> -. Software version checking method -. Viewing maintenance information -. Adjusting the sewing machine reference position . FUNCTION SETTINGS (G10 OPERATION PANEL) -. List of special functions when power is turned on 12 6 11 -. Function setting method <Setting item list> -. Data initialization function -. Error history checking method -. Input checking method <Input check list > Page Page Page -. Output checking method Page Page -. Protection settings Page <Protection setting list> : : -. Software version checking method -. Viewing maintenance information -. Adjusting the sewing machine reference position . SETTING THE DIP SWITCHES (G50 AND G10 OPERATION PANELS) . MECHANICAL DESCRIPTIONS -. Upper shaft and needle bar mechanism -. Lower shaft and rotary hook mechanism -. Feed mechanism Feed dog up/down movement Feed dog forward/back movement -. Quick reverse mechanism (quick back mechanism) -. Lubrication mechanism (thread take-up and rotary hook) Thread take-up minimum lubrication -. Thread trimming mechanism --. Thread trimming mechanism operation sequence Page Upper and lower thread trimming sequence -. Tension release mechanism -. Thread wiper mechanism (option device) . DISASSEMBLY -. Knee lifter assembly -. Cable tie -. Connector -. Operation panel and head detector unit -. Covers and bobbin winder unit -. Tension release wire and thread trimmer solenoid -. Wick holder and oil tube (-[]0[] specifications) -. Oil tank, bed bottom cover and sub tank -. Stand -. Safety switch and quick reverse solenoid -. Needle, presser foot and R-actuator -. Thread tension mechanism -. Needle plate, feed dog, etc. -. Bobbin case, rotary hook and thread trimmer mechanism -. Feed bar mechanism -. Feed rock shaft -. Presser foot mechanism -. Knee lifter lever mechanism -. Tension pulley -. Needle bar and thread take-up mechanism -. Pulley and motor -. Timing belt -. Feed mechanism (1) -. Feed mechanism (2) -. Feed mechanism (3) -. Lower shaft, lower shaft gear and feed regulator unit -. Plunger, rotary hook shaft, rotary hook shaft gear and thread trimmer cam -. Reverse lever . ASSEMBLY DANGER CAUTION -. Stitch length dial and feed regulator mechanism -. Reverse lever -. Plunger, rotary hook shaft, rotary hook shaft gear and thread trimmer cam -. Lower shaft, lower shaft gear and feed regulator unit -. Feed mechanism (1) -. Feed mechanism (2) -. Upper shaft mechanism -. Timing belt -. Pulley, motor and ground wire -. Knee lifter lever mechanism -. Needle bar and thread take-up mechanism -. Presser foot mechanism -. Feed rock shaft -. Feed mechanism (1) -. Feed mechanism (2) -. Feed bar mechanism -. Tube holder, safety switch and quick reverse solenoid -. Thread trimmer mechanism -. Oil tank, bed bottom cover and sub tank -. Needle, presser foot and R-actuator -. Thread tension mechanism -. Tension release wire and thread trimmer solenoid -. Wick holder and oil tube (-[]0[] specifications) -. Tension pulley -. Rotary hook -. Stand -. Needle plate, feed dog, etc. -. Covers and operation panel (1) -. Covers and operation panel (2) -. Cable tie -. Connector -. Knee lifter lever . ADJUSTMENTS CAUTION -. Adjusting the safety switch position -. Adjusting the thread take-up spring -. Adjusting arm thread guide R -. Adjusting the presser foot height -. Quick reverse device -. Matching the stitch lengths for forward feed and reverse feed -. Adjusting the feed dog height -. Adjusting the feed dog angle -. Adjusting the needle bar height -. Adjusting the needle and feed mechanism timing -. Adjusting the needle and rotary hook timing -. Adjusting the thread trimming timing Page -. Adjusting the needle up stop position Page -. Adjusting the treadle -. Adjusting the presser foot floating amount (minute lifting amount) -. Adjusting the tension release wire -. Adjusting the rotary hook lubrication amount (-[]0[], []3[] specifications) . REPLACING PARTS -. Fixed knife -. Movable knife -. Motor and timing belt Page Page -. Rotary hook RP -. Feed bar shaft, lifting feed shaft . APPLYING GREASE (-[]3[], []5[] SPECIFICATIONS) -. When GrEASEUP appearsWhen using the G50 operation panel Page -. When GrUP appears ... When using th e G10 op eration p anel Page . SETTING METHOD FOR STANDARD DEPRESSION STROKES 4 3 1 Page -. When using the G10 operation panel Page . CONTROL BOX AND MOTOR -. Checking the motor and power supply 146 -. Checking the solenoids . STANDING OPERATION PEDAL -. Installing the foot plug -. Connectors . WIRING DIAGRAMS (X-7200C) . CONNECTOR LAYOUT DIAGRAM (MAIN PCB) Page Page . TROUBLESHOOTING -. Sewing Page Page Page Page - E050 . E066 E065 E055 E090 E091 E111 E100 E150 E151 E190 E191 E410 E452 E701 E901 E705 E710 Page SERVICE MANUAL

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