Needle bar mechanism, Assembly, Q !5, 3!4 u i o | Brother BAS-311E

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Brother BAS-311E service manual Needle bar mechanism, Assembly, q !5, 3!4 u i o

Contents

Please read this manual before making any adjustments SERVICE MANUALBAS-311E,311EL BAS-326E,326EL z Safety indications and their meanings SymbolsDANGER Indications x Notes on safety InstallationSewing Cleaning Maintenance and inspection c Warning labels Safety devices Thread take-up cover Eye guard, Belt coverFinger guard, etc Moving parts may cause injury Explanation of models INDEX Chapter 4. Adjustments Chapter 5. How to make up the work clamp Chapter 1. Mechanical description 1. Needle bar, thread take-up, lower shaft and shuttle hook mechanismChapter 1. Mechanical description 2. Work clamp lifting mechanism 1 Solenoid type, 311E e r q w t y u Work clamp lifting mechanism 2 311E, 311EL Pneumatictype Work clamp lifting mechanism 326Ew e q r w eq r 3. Feed mechanism X axis 311E, 311EL, 326E, 326EL e r wu i y o Feed mechanism Y axis 311E and 311EL Feed mechanism Y axis 326E, 326ELey q q w i r e t 4. Presser foot mechanism r t e q w y u Presser foot mechanism e r q w 5. Thread trimmer mechanism t yu i o 6. Thread nipper 1 when presser foot rises Thread nipper 2 during thread trimmingr r e q w q w e t y r 7. Thread wiper 1 vertical wiper standard Thread wiper 2 horizontal wiper optionalq w e r t q w e r Chapter 2. Disassembly 1. Covers 1 311EChapter 2. Disassembly q w r y e u t Covers 2 311EL Covers 3 326E, 326ELq !1 e i y u o w u o 2. Feed mechanism t y r q w2. Remove the bolt and the work clamp r 3. Remove the screw, the feed plate t and the needle sub plate y 3. Presser foot mechanism w q u y e 4. Needle bar mechanism t r o ie y r u w 7 !6 y 5. Upper shaft mechanism wt y ru o i e!0 qr !7 5q !2 !1 6r !4 6. Feed mechanism Y axis 1 311E and 311EL w q e r t1. Loosen the set screw and remove the X-feed shaft q 2. Remove the screws and the work clamp arm w Feed mechanism Y axis q r t Feed mechanism Y axis 3 326E, 326E r w e q u q i t y 7. Feed mechanism X axis 1 311E r y w e Feed mechanism X axis 2 311EL and 326E, 326EL @3 o 0!1 6 !2!3u r q @2 @0 8. Lower shaft mechanism w r q e1!0 o i 9. Work clamp lifter Solenoid type i t q r 10. Thread nipper mechanism r u r t y i e w q t r y o 11. Thread trimmer mechanism @2 t@0!3 !7 Chapter 3. Assembly 1. Thread trimmer mechanismChapter 3. Assembly t y r e 2. Thread nipper mechanism i 0 !1 work clamp lifter wire @1, and tighten the bolt @2 4 !5 3. Work clamp lifter mechanism o !1u @2 y @4 !4 t u r y t e i u w q e w qSliding portions of link shaft C q and link B w 4. Feed mechanism X axis 311E e q w r2 !3 Adjustment procedure Feed mechanism X axis 311EL, 326E w !5i u t 0i y Feed mechanism X axis 311EL and 326E @0 wo @7 e 1!0 t r qty or !2 q 1w @9 #2 @8 #0 @3 @0 @2#1 @4 @5 @6 !6 Feed mechanism Y axis 326E r q w e 5. Temporarily attach the work clamp Arm !2to the Y-feed bracket i using the bolts and washers 6. Upper shaft mechanism e q w t y r e qq w i 7. Needle bar mechanism q !53!4 u i o 8. Presser foot mechanism o 0 !4 q 1!4 w @1@3 w 9. Lower shaft mechanism w q e t o u 0y 10. Lower shaft Rotary hook r r e o !0 t o e y i q u i !0 r e t w q i u y !1 o 2. Secure the needle sub plate e with the screw r 12.Press the P key and adjust the X-sensor setting plate !7so that the needle !4is aligned with the home position X=0, Y=0 of the H-position standard plate !1 Feed guide mechanism Home position adjustment Y 311E and 311EL Feed guide mechanism Home position adjustment Y 326E and 326ELqt w P key 13. Covers 311E e qo !0 @1 @0 @2 311EL 326E · 326ELy w e i u t o t !1 Chapter 4. Adjustments 1. Adjusting the needle bar height adjustment2. Adjusting the needle bar lift amount Chapter 4. Adjustments 3. Adjusting the needle clearance 4. Adjusting the driver needle guard5. Adjusting the shuttle race thread guide q w e 6. Adjusting the two-step work clamp lift amount 6-1. Solenoid type 6-2. Pneumatic type rr qyw w r BAS-311E · 311EL 7. Adjusting the movable knife 7-1. Replacing the movable and fixed knives u w q A. After the movable knife and fixed knife are properly engaged, tighten shoulder screw 311E, 311EL 326E, 326EL 8. Adjusting the lowest point of the presser foot w o e yr q t 8-1. Presser foot adjustment 9. Changing the presser foot liftr e q w w q e 10. Wiper adjustment For vertical wiper standardFor horizontal wiper optional re y t q w 11. Adjusting the home position X axis Y axis 311E and 311EL e r e r Y axis 326E, 326EL 12. Adjusting the tension of the timing belt Adjusting the tension of X-timing belt 311EAdjusting the tension of Y-timing belt e w r 311EL and 326E, 326EL Adjusting the tension of X-timing belt A326Adjusting the tension of X-timing belt B326 13. Adjusting backlashes Lower shaftY-axis feed 14. Adjusting the driving lever stopper position 15. Adjusting the thread trimmer driving lever positionMost 0.15 mm 17. Adjusting the presser foot height 16. Work clamp lift components for manual operation Sole- noid typeq q w y t r 18. Adjusting the needle up stop position wu y Chapter 5. How to make up the work clamp 1. How to make up clamping type work clampHow to make up the work clamp How to make up the feed plate 2. How to make up cassette type work clamp How to make up the plastic work clamp Cassette presser Clamp spring Chapter 6 Power supply and electrical parts adjustment 1. Precautions at the time of adjustment2. Components inside the control box Power supply circuit board 3. Fuse explanation 4. Connectors Connector positions Outside of the control box Outside of the panel Panel circuit board Programmer and programmer circuit board LCD contrast VR Contact failure 1. Feed mechanism2. Work clamp lifter and thread trimmer mechanisms Power Power switch3. Sewing operation supply circuit 4. Programmer operation 5. OthersDC fan Error E.12 appears Emergency stop switch is rejectedError E.40 appears 5. DIP switches Panel DIP switch functionsDIP switch A DIP switch B DIP switches inside the control box DIP switch C DIP switch D 6. Changing special functions using the memory switches BAS-300E seriesメニュー MENU Memory Switches 00 - 0F Memory Switches 20 - 2F Memory Switches 10 - 1F Chapter 6 Power supply and electrical parts adjustment 7. Checking the input sensor and DIP switch input BAS-300E seriesOFF OFF 9. Clearing all memory settings 8. Checking the input voltageX-SCALE R / W 10. Confirming software version Version number indication exampleBAS-300E series Program NO display 11. Error codes Error codes E.9 * - E.F Chapter 7. Trouble shooting FlowchartExplanation of shapes Chapter off? work clamp Chapter Is the TEST Chapter needle at the upper position when NO stops?Does the machine stop with the Problem solution and measures PrecautionsBefore adjustment For 200 V, 220 V, and For 100 V, 110 VV, 380 V, 400 V, and Chapter Chapter switches pressed#1.2 After a few Presser Chapter Chapter switch is occurs cannot sew Chapter Chapter 8. 1. Gauge parts list according to subclasses S51038326LB-001S51037326LA-001 Chapter 9. Gauge parts list Chapter 9. Gauge parts listPresser foot Needle hole plate Work clamp, Feed plate BAS-311E OPTION PARTS Feed plate blank and Work clamp blank BAS-311E Work clamp and Feed plate BAS-311EL Feed plate blank and Work clamp blank BAS-311EL Feed mechanism BAS-326E Feed mechanism Option parts BAS-326E Feed mechanism BAS-326E, 326EL For one-touch work clamp plate assy Feed mechanism Option parts Feed mechanism Option parts BAS-326E,326EL BAS-311E.311EL.326E.326EL Chapter 10. Option parts Chapter 10. Option partsProgrammer assy Inner clamp device One-touch clamping device Milling device WP stitch device Auto bobbin changer Programmer Inner clamping device Option device Inner clamping device Option device BAS-326EL For Supplry partsA45254000 For change the feed plate setting position One-touch work clampS20822101 S20289101 One-touch work clamp Option parts BAS-326EL Snap fastener and hook attachment device M-508KM-520K M-525K For sewing the belt with hook S24621-101 S24628-101 S18598-001 S18606-001 Wide perfect device Needle cooler set Soft work clamp set Play prevention work clamp For Horizontal Wiper Thread wiper set Pneumatic type 2-step tension device Auxiliary device Chapter 10. Option parts Control Block Diagram Presser tootYellow Brown Orange per shaft moConvertion SERVICE MANUAL Printed in Japan151-V11, V12 I9080764 1999. 08. B