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Brother BAS-311E service manual Adjusting backlashes, Lower shaft, Y-axis feed, Adjustments

Models: BAS-311E

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Chapter 4. Adjustments

13. Adjusting backlashes

■ Lower shaft

1. Tilt the machine head until it stops.

2. Loosen the set screw q, then turn the rock gear shaft w to provide 0.05 - 0.12 mm looseness at the tip of the shuttle driver e.

0.05 - 0.12mm

■ Y-axis feed

Loosen the four bolts q, then adjust the Y-pulse motor w so that there is no backlash between the rock gear and the idle gear.

66BAS-311E.311EL.326E.326EL

Page 74

Image 74

Brother BAS-311E service manual Adjusting backlashes, Lower shaft, Y-axis feed, Adjustments

Contents

BAS-311E,311EL Please read this manual before making any adjustmentsSERVICE MANUAL BAS-326E,326ELDANGER z Safety indications and their meaningsSymbols IndicationsSewing x Notes on safetyInstallation DANGERCleaning Maintenance and inspectionFinger guard, etc c Warning labelsSafety devices Thread take-up cover Eye guard, Belt cover Moving parts may cause injuryExplanation of models INDEXChapter 4. Adjustments Chapter 5. How to make up the work clamp Chapter 1. Mechanical description Chapter 1. Mechanical description1. Needle bar, thread take-up, lower shaft and shuttle hook mechanism e r q w t y u 2. Work clamp lifting mechanism 1 Solenoid type, 311EChapter 1. Mechanical description Chapter 1. Mechanical description Work clamp lifting mechanism 2 311E, 311EL PneumatictypeWork clamp lifting mechanism 326E w e q re r w 3. Feed mechanism X axis 311E, 311EL, 326E, 326ELChapter 1. Mechanical description u i y oChapter 1. Mechanical description Feed mechanism Y axis 311E and 311ELFeed mechanism Y axis 326E, 326EL ey qr t e q w y u 4. Presser foot mechanismChapter 1. Mechanical description e r q w Presser foot mechanismChapter 1. Mechanical description t yu i o 5. Thread trimmer mechanismChapter 1. Mechanical description Chapter 1. Mechanical description 6. Thread nipper 1 when presser foot risesThread nipper 2 during thread trimming r r e q wChapter 1. Mechanical description 7. Thread wiper 1 vertical wiper standardThread wiper 2 horizontal wiper optional q w e r tChapter 2. Disassembly Chapter 2. Disassembly1. Covers 1 311E q w r y e u tChapter 2. Disassembly Covers 2 311ELCovers 3 326E, 326EL q !1 e i y u ot y r q w 2. Feed mechanismChapter 2. Disassembly 2. Remove the bolt and the work clamp rw q u y e 3. Presser foot mechanismChapter 2. Disassembly t r o i 4. Needle bar mechanismChapter 2. Disassembly e y r u wwt y ru o i e!0 q 5. Upper shaft mechanismChapter 2. Disassembly r !7w q e r t 6. Feed mechanism Y axis 1 311E and 311ELChapter 2. Disassembly 1. Loosen the set screw and remove the X-feed shaft qq r t Feed mechanism Y axisChapter 2. Disassembly r w e q u q i t y Feed mechanism Y axis 3 326E, 326EChapter 2. Disassembly r y w e 7. Feed mechanism X axis 1 311EChapter 2. Disassembly @3 o 0!1 6 !2!3 Feed mechanism X axis 2 311EL and 326E, 326ELChapter 2. Disassembly u r qw r q e 8. Lower shaft mechanismChapter 2. Disassembly 1!0 o ii t q r 9. Work clamp lifter Solenoid typeChapter 2. Disassembly r u r t y i e w q t r y o 10. Thread nipper mechanismChapter 2. Disassembly @2 t 11. Thread trimmer mechanismChapter 2. Disassembly @0!3 !7Chapter 3. Assembly Chapter 3. Assembly1. Thread trimmer mechanism t y r ei 0 !1 2. Thread nipper mechanismChapter 3. Assembly 4 !5 Chapter 3. Assemblywork clamp lifter wire @1, and tighten the bolt @2 o !1 3. Work clamp lifter mechanismChapter 3. Assembly u @2 y @4 !4 te w q Chapter 3. Assemblyu r y t e i u w q Sliding portions of link shaft C q and link B we q w r 4. Feed mechanism X axis 311EChapter 3. Assembly 2 !3Chapter 3. Assembly Adjustment procedurew !5 Feed mechanism X axis 311EL, 326EChapter 3. Assembly i u@0 w Feed mechanism X axis 311EL and 326EChapter 3. Assembly o @7e 1!0 Chapter 3. AssemblyFeed mechanism Y axis 311E and 311EL t r qty o@0 @2 Chapter 3. Assembly@9 #2 @8 #0 @3 #1 @4 @5r q w e Feed mechanism Y axis 326EChapter 3. Assembly Chapter 3. Assembly 5. Temporarily attach the work clamp Arm !2to the Y-feed bracket i using the bolts and washerse q w t y r e q 6. Upper shaft mechanismChapter 3. Assembly q w iq !5 7. Needle bar mechanismChapter 3. Assembly 3!4 u i oo 0 !4 8. Presser foot mechanismChapter 3. Assembly w @1 Chapter 3. Assemblyq 1!4 @3 ww q e t o u 0y 9. Lower shaft mechanismChapter 3. Assembly r r e o !0 10. Lower shaft Rotary hookChapter 3. Assembly t o e y i q u Chapter 3. Assembly11. Thread trimmer mechanism i !02. Secure the needle sub plate e with the screw r Chapter 3. Assemblyr e t w q i u y !1 o Chapter 3. Assembly 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 !1Chapter 3. Assembly Feed guide mechanism Home position adjustment Y 311E and 311ELFeed guide mechanism Home position adjustment Y 326E and 326EL qt we q 13. Covers 311EChapter 3. Assembly o !0Chapter 3. Assembly 311EL326E · 326EL y w e i u t2. Adjusting the needle bar lift amount Chapter 4. Adjustments1. Adjusting the needle bar height adjustment Chapter 4. Adjustments5. Adjusting the shuttle race thread guide 3. Adjusting the needle clearance4. Adjusting the driver needle guard Chapter 4. AdjustmentsChapter 4. Adjustments 6. Adjusting the two-step work clamp lift amount6-1. Solenoid type rr q 6-2. Pneumatic typeChapter 4. Adjustments yw w rChapter 4. Adjustments 7. Adjusting the movable knife7-1. Replacing the movable and fixed knives A. After the movable knife and fixed knife are properly engaged, tighten shoulder screw Chapter 4. Adjustmentsu w q 326E, 326EL Chapter 4. Adjustments311E, 311EL w o e y 8. Adjusting the lowest point of the presser footChapter 4. Adjustments r q tChapter 4. Adjustments 8-1. Presser foot adjustment9. Changing the presser foot lift r e q w wFor vertical wiper standard 10. Wiper adjustmentChapter 4. Adjustments For horizontal wiper optionalX axis 11. Adjusting the home positionChapter 4. Adjustments e r e r Chapter 4. AdjustmentsY axis 311E and 311EL Chapter 4. Adjustments Y axis 326E, 326ELAdjusting the tension of Y-timing belt 12. Adjusting the tension of the timing beltAdjusting the tension of X-timing belt 311E Chapter 4. AdjustmentsAdjusting the tension of X-timing belt B326 311EL and 326E, 326ELAdjusting the tension of X-timing belt A326 Chapter 4. AdjustmentsLower shaft 13. Adjusting backlashesChapter 4. Adjustments Y-axis feedChapter 4. Adjustments 14. Adjusting the driving lever stopper position15. Adjusting the thread trimmer driving lever position Most 0.15 mmChapter 4. Adjustments 17. Adjusting the presser foot height16. Work clamp lift components for manual operation Sole- noid type q q wwu y 18. Adjusting the needle up stop positionChapter 4. Adjustments How to make up the work clamp Chapter 5. How to make up the work clamp1. How to make up clamping type work clamp How to make up the feed plateChapter 5. How to make up the work clamp 2. How to make up cassette type work clampHow to make up the plastic work clamp Clamp spring Chapter 5. How to make up the work clampCassette presser 2. Components inside the control box Chapter 6 Power supply and electrical parts adjustment1. Precautions at the time of adjustment Power supply circuit board3. Fuse explanation Chapter 6 Power supply and electrical parts adjustmentChapter 6 Power supply and electrical parts adjustment 4. ConnectorsConnector positions Outside of the control box Main PCBOutside of the panel Panel circuit board Power supply circuit boardChapter 6 Power supply and electrical parts adjustment LCD contrast VR Chapter 6 Power supply and electrical parts adjustmentProgrammer and programmer circuit board 1. Feed mechanism Chapter 6 Power supply and electrical parts adjustmentContact failure 2. Work clamp lifter and thread trimmer mechanismsPower switch Chapter 6 Power supply and electrical parts adjustmentPower 3. Sewing operation5. Others Chapter 6 Power supply and electrical parts adjustment4. Programmer operation DC fanEmergency stop switch is rejected Chapter 6 Power supply and electrical parts adjustmentError E.12 appears Error E.40 appearsDIP switch A 5. DIP switchesPanel DIP switch functions Chapter 6 Power supply and electrical parts adjustmentDIP switch B Chapter 6 Power supply and electrical parts adjustmentDANGER DIP switches inside the control boxDIP switch C DIP switch D Chapter 6 Power supply and electrical parts adjustmentBAS-300E series 6. Changing special functions using the memory switchesChapter 6 Power supply and electrical parts adjustment メニューChapter 6 Power supply and electrical parts adjustment Memory Switches 00 - 0FMemory Switches 20 - 2F Memory Switches 10 - 1F Chapter 6 Power supply and electrical parts adjustmentChapter 6 Power supply and electrical parts adjustment BAS-300E series 7. Checking the input sensor and DIP switch inputChapter 6 Power supply and electrical parts adjustment OFF OFFChapter 6 Power supply and electrical parts adjustment 9. Clearing all memory settings8. Checking the input voltage X-SCALEVersion number indication example 10. Confirming software versionChapter 6 Power supply and electrical parts adjustment BAS-300E series11. Error codes Chapter 6 Power supply and electrical parts adjustmentDANGER Error codes E.9 * - E.FChapter 6 Power supply and electrical parts adjustment Explanation of shapes Chapter 7. Trouble shootingFlowchart Chapterwork clamp Chapteroff? Chapter Chapter Is the TESTChapter stops? needle at the upper position when NOChapter Does theBefore adjustment Problem solution and measuresPrecautions ChapterFor 100 V, 110 V ChapterFor 200 V, 220 V, and V, 380 V, 400 V, andChapter Chapter pressed switchesChapter #1.2Presser ChapterAfter a few Chapter Chapter occurs switch isChapter Chapter cannot sewChapter S51038326LB-001 Chapter 8. 1. Gauge parts list according to subclassesChapter S51037326LA-001Presser foot Chapter 9. Gauge parts listChapter 9. Gauge parts list Needle hole plateOPTION PARTS Chapter 9. Gauge parts listWork clamp, Feed plate BAS-311E Chapter 9. Gauge parts list Feed plate blank and Work clamp blank BAS-311EOPTION PARTS Chapter 9. Gauge parts listWork clamp and Feed plate BAS-311EL Chapter 9. Gauge parts list Feed plate blank and Work clamp blank BAS-311ELChapter 9. Gauge parts list Feed mechanism BAS-326EChapter 9. Gauge parts list Feed mechanism Option parts BAS-326EFor one-touch work clamp plate assy Chapter 9. Gauge parts listFeed mechanism BAS-326E, 326EL Chapter 9. Gauge parts list Feed mechanism Option partsBAS-311E.311EL.326E.326EL Chapter 9. Gauge parts listFeed mechanism Option parts BAS-326E,326EL Programmer assy Inner clamp device One-touch clamping device Chapter 10. Option partsChapter 10. Option parts Milling device WP stitch device Auto bobbin changerProgrammer Chapter 10. Option partsInner clamping device Option device Chapter 10. Option partsFor Supplry parts Inner clamping device Option device BAS-326ELChapter 10. Option parts A45254000Chapter 10. Option parts For change the feed plate setting positionOne-touch work clamp S20822101One-touch work clamp Option parts BAS-326EL Chapter 10. Option partsM-508K Snap fastener and hook attachment deviceChapter 10. Option parts M-520KFor sewing the belt with hook Chapter 10. Option partsS24628-101 Chapter 10. Option partsS24621-101 S18606-001 Chapter 10. Option partsS18598-001 Wide perfect device Chapter 10. Option partsChapter 10. Option parts Needle cooler setSoft work clamp set Chapter 10. Option parts Play prevention work clampFor Horizontal Wiper Thread wiper set Pneumatic type Chapter 10. Option parts2-step tension device Chapter 10. Option partsAuxiliary device Chapter 10. Option partsChapter 10. Option parts Yellow Control Block DiagramPresser toot BrownConvertion Orangeper shaft mo 151-V11, V12 SERVICE MANUALPrinted in Japan I9080764 1999. 08. B