Adjusting backlashes, Lower shaft, Y-axis feed | Brother BAS-311E

13. Adjusting backlashes

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.

q

0.05 - 0.12mm

e

w

■ 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.

q

w

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

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,326EL DANGER z Safety indications and their meaningsSymbols Indications Sewing x Notes on safetyInstallation Cleaning Maintenance and inspection Finger guard, etc c Warning labelsSafety devices Thread take-up cover Eye guard, Belt cover 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 Chapter 1. Mechanical description1. Needle bar, thread take-up, lower shaft and shuttle hook mechanism 2. Work clamp lifting mechanism 1 Solenoid type, 311E e r q w t y u w e q r Work clamp lifting mechanism 2 311E, 311EL PneumatictypeWork clamp lifting mechanism 326E w eq r u i y o 3. Feed mechanism X axis 311E, 311EL, 326E, 326ELe r w ey q Feed mechanism Y axis 311E and 311ELFeed mechanism Y axis 326E, 326EL 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 r r e q w 6. Thread nipper 1 when presser foot risesThread nipper 2 during thread trimming q w e t y r q w e r t 7. Thread wiper 1 vertical wiper standardThread wiper 2 horizontal wiper optional q w e r Chapter 2. Disassembly Chapter 2. Disassembly1. Covers 1 311E q w r y e u t q !1 e i y u o Covers 2 311ELCovers 3 326E, 326EL w u o 2. Remove the bolt and the work clamp r 2. Feed mechanismt y r q w 3. Remove the screw, the feed plate t and the needle sub plate y 3. Presser foot mechanism w q u y e e y r u w 4. Needle bar mechanismt r o i 7 !6 y r !7 5. Upper shaft mechanismwt y ru o i e!0 q 5q !2 !1 6r !4 1. Loosen the set screw and remove the X-feed shaft q 6. Feed mechanism Y axis 1 311E and 311ELw q e r t 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 u r q Feed mechanism X axis 2 311EL and 326E, 326EL@3 o 0!1 6 !2!3 @2 @0 1!0 o i 8. Lower shaft mechanismw r q e 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 @0!3 !7 11. Thread trimmer mechanism@2 t Chapter 3. Assembly Chapter 3. Assembly1. Thread trimmer mechanism t y r e 2. Thread nipper mechanism i 0 !1 work clamp lifter wire @1, and tighten the bolt @2 4 !5 u @2 y @4 !4 t 3. Work clamp lifter mechanismo !1 Sliding portions of link shaft C q and link B w u r y t e i u w qe w q 2 !3 4. Feed mechanism X axis 311Ee q w r Adjustment procedure i u Feed mechanism X axis 311EL, 326Ew !5 t 0i y o @7 Feed mechanism X axis 311EL and 326E@0 w r !2 e 1!0t r qty o q 1w #1 @4 @5 @9 #2 @8 #0 @3@0 @2 @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 q w i 6. Upper shaft mechanisme q w t y r e q 3!4 u i o 7. Needle bar mechanismq !5 8. Presser foot mechanism o 0 !4 @3 w q 1!4w @1 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 qt w Feed guide mechanism Home position adjustment Y 311E and 311ELFeed guide mechanism Home position adjustment Y 326E and 326EL P key o !0 13. Covers 311Ee q @1 @0 @2 y w e i u t 311EL326E · 326EL o t !1 2. Adjusting the needle bar lift amount Chapter 4. Adjustments1. Adjusting the needle bar height adjustment Chapter 4. Adjustments 5. Adjusting the shuttle race thread guide 3. Adjusting the needle clearance4. Adjusting the driver needle guard q w e 6. Adjusting the two-step work clamp lift amount 6-1. Solenoid type yw w r 6-2. Pneumatic typerr q 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 r q t 8. Adjusting the lowest point of the presser footw o e y r e q w w 8-1. Presser foot adjustment9. Changing the presser foot lift q e For horizontal wiper optional 10. Wiper adjustmentFor vertical wiper standard 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 Adjusting the tension of Y-timing belt 12. Adjusting the tension of the timing beltAdjusting the tension of X-timing belt 311E e w r Adjusting the tension of X-timing belt B326 311EL and 326E, 326ELAdjusting the tension of X-timing belt A326 Y-axis feed 13. Adjusting backlashesLower shaft Most 0.15 mm 14. Adjusting the driving lever stopper position15. Adjusting the thread trimmer driving lever position q q w 17. Adjusting the presser foot height16. Work clamp lift components for manual operation Sole- noid type y t r 18. Adjusting the needle up stop position wu y 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 plate 2. How to make up cassette type work clamp How to make up the plastic work clamp Cassette presser Clamp spring 2. Components inside the control box Chapter 6 Power supply and electrical parts adjustment1. Precautions at the time of adjustment 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 2. Work clamp lifter and thread trimmer mechanisms Contact failure1. Feed mechanism 3. Sewing operation PowerPower switch supply circuit DC fan 4. Programmer operation5. Others Error E.40 appears Error E.12 appearsEmergency stop switch is rejected DIP switch A 5. DIP switchesPanel DIP switch functions DIP switch B DIP switches inside the control box DIP switch C DIP switch D メニュー 6. Changing special functions using the memory switchesBAS-300E series MENU Memory Switches 00 - 0F Memory Switches 20 - 2F Memory Switches 10 - 1F Chapter 6 Power supply and electrical parts adjustment OFF OFF 7. Checking the input sensor and DIP switch inputBAS-300E series X-SCALE 9. Clearing all memory settings8. Checking the input voltage R / W BAS-300E series 10. Confirming software versionVersion number indication example Program NO display 11. Error codes Error codes E.9 * - E.F Explanation of shapes Chapter 7. Trouble shootingFlowchart Chapter off? work clamp Chapter Is the TEST Chapter Does the needle at the upper position when NOstops? machine stop with the Before adjustment Problem solution and measuresPrecautions V, 380 V, 400 V, and For 200 V, 220 V, andFor 100 V, 110 V Chapter Chapter #1.2 switchespressed After a few Presser Chapter Chapter switch is occurs cannot sew Chapter S51037326LA-001 Chapter 8. 1. Gauge parts list according to subclassesS51038326LB-001 Presser foot Chapter 9. Gauge parts listChapter 9. Gauge parts list 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 Programmer assy Inner clamp device One-touch clamping device Chapter 10. Option partsChapter 10. Option parts Milling device WP stitch device Auto bobbin changer Programmer Inner clamping device Option device A45254000 Inner clamping device Option device BAS-326ELFor Supplry parts S20822101 For change the feed plate setting positionOne-touch work clamp S20289101 One-touch work clamp Option parts BAS-326EL M-520K Snap fastener and hook attachment deviceM-508K 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 Yellow Control Block DiagramPresser toot Brown Convertion Orangeper shaft mo 151-V11, V12 SERVICE MANUALPrinted in Japan I9080764 1999. 08. B