Trouble shooting, Explanation of shapes, Chapter

Chapter 7

Chapter 7. Trouble shooting

■Explanation of shapes

Indicates manual operation.

Indicates switch operation.

Selects the course of action to follow, us- ing a yes-or-no decision-making process.

Indicates that the procedure to follow ap- pears in the first column of "problem de- termination and solution table".

Indicates setting-up operation.

Indicates that the procedure to follow appears on the next page.

	OFF	Indicates turning-off of the power
	OFF	switch.
		switch.

■Flowchart

Powering-up sequence

Start

	Turn on
	POWER
	switch.		NO
	switch.
	Is the power			#1
	lamp lit?		OFF	#1
		YES
	Does any error		YES	#1.1
code appear on the ERROR			OFF	#1.1
	NO. indicator?
		NO

Press MENU switch

a few times.

Does the lit LED		NO		#1.2
change every	time you press	NO	OFF
change every	time you press		OFF
the MENU switch?
	YES
Insert the floppy
disk.

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

Page 103

Image 103

Brother BAS-311E service manual Trouble shooting, Explanation of shapes, Flowchart, Chapter

Contents

BAS-326E,326EL Please read this manual before making any adjustmentsSERVICE MANUAL BAS-311E,311EL Indications z Safety indications and their meaningsSymbols DANGER Installation x Notes on safetySewing Maintenance and inspection Cleaning Moving parts may cause injury c Warning labelsSafety devices Thread take-up cover Eye guard, Belt cover Finger guard, etc INDEX Explanation of models Chapter 4. Adjustments Chapter 5. How to make up the work clamp 1. Needle bar, thread take-up, lower shaft and shuttle hook mechanism Chapter 1. Mechanical descriptionChapter 1. Mechanical description e r q w t y u 2. Work clamp lifting mechanism 1 Solenoid type, 311E w eq r Work clamp lifting mechanism 2 311E, 311EL PneumatictypeWork clamp lifting mechanism 326E w e q r e r w 3. Feed mechanism X axis 311E, 311EL, 326E, 326ELu i y o q w i r e t Feed mechanism Y axis 311E and 311ELFeed mechanism Y axis 326E, 326EL ey q r t e q w y u 4. Presser foot mechanism e r q w Presser foot mechanism t yu i o 5. Thread trimmer mechanism q w e t y r 6. Thread nipper 1 when presser foot risesThread nipper 2 during thread trimming r r e q w q w e r 7. Thread wiper 1 vertical wiper standardThread wiper 2 horizontal wiper optional q w e r t q w r y e u t Chapter 2. Disassembly1. Covers 1 311E Chapter 2. Disassembly w u o Covers 2 311ELCovers 3 326E, 326EL q !1 e i y u o 3. Remove the screw, the feed plate t and the needle sub plate y 2. Feed mechanismt y r q w 2. Remove the bolt and the work clamp r w q u y e 3. Presser foot mechanism 7 !6 y 4. Needle bar mechanismt r o i e y r u w 5q !2 !1 6r !4 5. Upper shaft mechanismwt y ru o i e!0 q r !7 2. Remove the screws and the work clamp arm w 6. Feed mechanism Y axis 1 311E and 311ELw q e r t 1. Loosen the set screw and remove the X-feed shaft q q r t Feed mechanism Y axis r w e q u q i t y Feed mechanism Y axis 3 326E, 326E r y w e 7. Feed mechanism X axis 1 311E @2 @0 Feed mechanism X axis 2 311EL and 326E, 326EL@3 o 0!1 6 !2!3 u r q w r q e 8. Lower shaft mechanism1!0 o i i t q r 9. Work clamp lifter Solenoid type r u r t y i e w q t r y o 10. Thread nipper mechanism @2 t 11. Thread trimmer mechanism@0!3 !7 t y r e Chapter 3. Assembly1. Thread trimmer mechanism Chapter 3. Assembly i 0 !1 2. Thread nipper mechanism 4 !5 work clamp lifter wire @1, and tighten the bolt @2 o !1 3. Work clamp lifter mechanismu @2 y @4 !4 t e w q u r y t e i u w qSliding portions of link shaft C q and link B w e q w r 4. Feed mechanism X axis 311E2 !3 Adjustment procedure t 0i y Feed mechanism X axis 311EL, 326Ew !5 i u @0 w Feed mechanism X axis 311EL and 326Eo @7 q 1w e 1!0t r qty o r !2 @6 !6 @9 #2 @8 #0 @3@0 @2 #1 @4 @5 r q w e Feed mechanism Y axis 326E 5. Temporarily attach the work clamp Arm !2to the Y-feed bracket i using the bolts and washers e q w t y r e q 6. Upper shaft mechanismq w i q !5 7. Needle bar mechanism3!4 u i o o 0 !4 8. Presser foot mechanism w @1 q 1!4@3 w w q e t o u 0y 9. Lower shaft mechanism r r e o !0 10. Lower shaft Rotary hook i !0 t o e y i q u 2. Secure the needle sub plate e with the screw r r e t w q i u y !1 o 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 P key Feed guide mechanism Home position adjustment Y 311E and 311ELFeed guide mechanism Home position adjustment Y 326E and 326EL qt w @1 @0 @2 13. Covers 311Ee q o !0 o t !1 311EL326E · 326EL y w e i u t Chapter 4. Adjustments Chapter 4. Adjustments1. Adjusting the needle bar height adjustment 2. Adjusting the needle bar lift amount q w e 3. Adjusting the needle clearance4. Adjusting the driver needle guard 5. Adjusting the shuttle race thread guide 6-1. Solenoid type 6. Adjusting the two-step work clamp lift amount BAS-311E · 311EL 6-2. Pneumatic typerr q yw w r 7-1. Replacing the movable and fixed knives 7. Adjusting the movable knife A. After the movable knife and fixed knife are properly engaged, tighten shoulder screw u w q 326E, 326EL 311E, 311EL w o e y 8. Adjusting the lowest point of the presser footr q t q e 8-1. Presser foot adjustment9. Changing the presser foot lift r e q w w re y t q w 10. Wiper adjustmentFor vertical wiper standard For horizontal wiper optional X axis 11. Adjusting the home position e r e r Y axis 311E and 311EL Y axis 326E, 326EL e w r 12. Adjusting the tension of the timing beltAdjusting the tension of X-timing belt 311E Adjusting the tension of Y-timing belt Adjusting the tension of X-timing belt A326 311EL and 326E, 326ELAdjusting the tension of X-timing belt B326 Lower shaft 13. Adjusting backlashesY-axis feed 15. Adjusting the thread trimmer driving lever position 14. Adjusting the driving lever stopper positionMost 0.15 mm y t r 17. Adjusting the presser foot height16. Work clamp lift components for manual operation Sole- noid type q q w wu y 18. Adjusting the needle up stop position How to make up the feed plate Chapter 5. How to make up the work clamp1. How to make up clamping type work clamp How to make up the work clamp How to make up the plastic work clamp 2. How to make up cassette type work clamp Clamp spring Cassette presser Power supply circuit board Chapter 6 Power supply and electrical parts adjustment1. Precautions at the time of adjustment 2. Components inside the control box 3. Fuse explanation Connector positions Outside of the control box 4. Connectors Outside of the panel Panel circuit board LCD contrast VR Programmer and programmer circuit board 1. Feed mechanism Contact failure2. Work clamp lifter and thread trimmer mechanisms supply circuit PowerPower switch 3. Sewing operation 5. Others 4. Programmer operationDC fan Emergency stop switch is rejected Error E.12 appearsError E.40 appears Panel DIP switch functions 5. DIP switchesDIP switch A DIP switch B DIP switch C DIP switches inside the control box DIP switch D MENU 6. Changing special functions using the memory switchesBAS-300E series メニュー Memory Switches 20 - 2F Memory Switches 00 - 0F Memory Switches 10 - 1F Chapter 6 Power supply and electrical parts adjustment BAS-300E series 7. Checking the input sensor and DIP switch inputOFF OFF R / W 9. Clearing all memory settings8. Checking the input voltage X-SCALE Program NO display 10. Confirming software versionVersion number indication example BAS-300E series 11. Error codes Error codes E.9 * - E.F Chapter Chapter 7. Trouble shootingFlowchart Explanation of shapes work clamp off? Chapter Is the TEST Chapter machine stop with the needle at the upper position when NOstops? Does the Precautions Problem solution and measuresBefore adjustment For 100 V, 110 V For 200 V, 220 V, andV, 380 V, 400 V, and Chapter Chapter pressed switches#1.2 Presser After a few Chapter Chapter occurs switch is cannot sew Chapter S51038326LB-001 Chapter 8. 1. Gauge parts list according to subclassesS51037326LA-001 Needle hole plate Chapter 9. Gauge parts listChapter 9. Gauge parts list Presser foot OPTION PARTS Work clamp, Feed plate BAS-311E 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 For one-touch work clamp plate assy Feed mechanism BAS-326E, 326EL Feed mechanism Option parts BAS-311E.311EL.326E.326EL Feed mechanism Option parts BAS-326E,326EL Milling device WP stitch device Auto bobbin changer Chapter 10. Option partsChapter 10. Option parts Programmer assy Inner clamp device One-touch clamping device Programmer Inner clamping device Option device For Supplry parts Inner clamping device Option device BAS-326ELA45254000 S20289101 For change the feed plate setting positionOne-touch work clamp S20822101 One-touch work clamp Option parts BAS-326EL M-525K Snap fastener and hook attachment deviceM-508K M-520K For sewing the belt with hook S24628-101 S24621-101 S18606-001 S18598-001 Wide perfect device Soft work clamp set Needle cooler set For Horizontal Wiper Play prevention work clamp Thread wiper set Pneumatic type 2-step tension device Auxiliary device Chapter 10. Option parts Brown Control Block DiagramPresser toot Yellow per shaft mo OrangeConvertion I9080764 1999. 08. B SERVICE MANUALPrinted in Japan 151-V11, V12