Brother BAS-326A Wartungshandbuch

BAS-311G BAS-326G Please read this manual before making any adjustments. DIRECT DRIVE PROGRAMMABLE ELECTRONIC PATTERN SEWER SERVICE MANUAL

2. FUNCTION SETTINGS 3BAS-311G, BAS-326G2-2. List of advanced functions While holding down the TEST key, press the corresponding combination key.

7. ADJUSTMENT BAS-311G, BAS-326G 937-9. Adjusting the position of the movable knife 1. Open the top cover and tilt back

7. ADJUSTMENT BAS-311G, BAS-326G 94 7. Turn the pulley (1) by hand to move the needle bar to its lowest position. 8.

7. ADJUSTMENT BAS-311G, BAS-326G 957-10. Replacing the movable and fixed knives 1. Loosen the two bolts (1) and then r

7. ADJUSTMENT BAS-311G, BAS-326G 967-10-1. Installing the feed plate 1 MENU indicator switches offTHREAD/CLAMP indicator illuminatesW

7. ADJUSTMENT BAS-311G, BAS-326G 977-11. Adjusting the thread wiper 1. Loosen the two screws (3) and shift the entire solenoid sett

7. ADJUSTMENT BAS-311G, BAS-326G 987-13. Changing the intermittent stroke The intermittent stroke can be adjusted to within 2 − 10 mm by adjusting th

7. ADJUSTMENT BAS-311G, BAS-326G 99<Stepping clamp connecting rod position adjustment> 1. Loosen the screw (1), and then o

7. ADJUSTMENT BAS-311G, BAS-326G 1007-14. Adjusting the work clamp lift amount <Solenoid specifications> The operation panel settings can be us

7. ADJUSTMENT BAS-311G, BAS-326G 1017-16. Adjusting the thread trimmer cam position 1. Remove the top cover. 2. Loosen the two set screws (1), and

7. ADJUSTMENT BAS-311G, BAS-326G 102<Y-GT belt> 1. Move the X feed bracket (1) so that it is in the middle of the s

2. FUNCTION SETTINGS 4BAS-311G, BAS-326G2-3. Memory switch setting method (Advanced) 1 Menu indicator switches offTEST indicator i

7. ADJUSTMENT BAS-311G, BAS-326G 1037-19. Adjusting the backlash of the lower shaft gear 1. Gently tilt back the machine head. 2. Remove the five s

7. ADJUSTMENT BAS-311G, BAS-326G 1047-20. Adjusting the home position 7-20-1. Work clamp lift home position 1 Turn the pulley to set the needle to th

7. ADJUSTMENT BAS-311G, BAS-326G 105 5 Press the RESET key. • The work clamp will move to the home position. Check the home position. 7 Repeat st

7. ADJUSTMENT BAS-311G, BAS-326G 106 5 Use 2 mm diameter pins (shaped like a needle) to align the holes in the X feed bracket

7. ADJUSTMENT BAS-311G, BAS-326G 1077-21. Adjusting the needle up stop home position 1. Remove the needle and the needle bar thread guide. 2. Turn

7. ADJUSTMENT BAS-311G, BAS-326G 1087-22. Adjusting the needle up stop position Use the operation panel to adjust the needle

7. ADJUSTMENT BAS-311G, BAS-326G 109 3 Press the or key to set the offset value (-9 - 10). • When you press the key, the needle bar w

8. ELECTRICAL MECHANISM 110BAS-311G, BAS-326G8. ELECTRICAL MECHANISM DANGER Wait at least 5 minutes after turning off the power switch and disconne

8. ELECTRICAL MECHANISM 111BAS-311G, BAS-326G8-2. Inside the control box and operation panel structure Main P.C. board Secured to the side. This is

8. ELECTRICAL MECHANISM 112BAS-311G, BAS-326G8-3. Description of fuses When replacing the fuses, be sure to use the fuses specified below. If the co

2. FUNCTION SETTINGS 5BAS-311G, BAS-326G2-4. List of memory switch settings No. Setting range Setting items Initial valueWork clamp lift timing aft

8. ELECTRICAL MECHANISM 113BAS-311G, BAS-326G8-4. Description of connectors A large number of problems are often caused by connectors that are not i

8. ELECTRICAL MECHANISM 114BAS-311G, BAS-326GPMD P.C. board Power supply motor P.C. board

8. ELECTRICAL MECHANISM 115BAS-311G, BAS-326GPanel P.C. board 4594Q

8. ELECTRICAL MECHANISM 116BAS-311G, BAS-326G8-4-2. Symptoms when there are poor connections This divides the functions of the connectors into five

8. ELECTRICAL MECHANISM 117BAS-311G, BAS-326GThread trimming mechanism Trouble symptom Connector No. and position • Thread trimming does not opera

8. ELECTRICAL MECHANISM 118BAS-311G, BAS-326GOther Trouble symptom Connector No. and position • DC fan motor does not operate. • [E740] is displa

8. ELECTRICAL MECHANISM 119BAS-311G, BAS-326G8-5. Troubleshooting 8-5-1. Diagnosis flowchart Description of symbols Manual procedure Setting an

8. ELECTRICAL MECHANISM 120BAS-311G, BAS-326G 5251Q

8. ELECTRICAL MECHANISM 121BAS-311G, BAS-326G 5252Q

8. ELECTRICAL MECHANISM 122BAS-311G, BAS-326G 5253Q

2. FUNCTION SETTINGS 6BAS-311G, BAS-326GWork clamp settings No. Setting range Setting items Initial valueWork clamp operating mode (*2) 1 (Standar

8. ELECTRICAL MECHANISM 123BAS-311G, BAS-326G8-5-2. Remedy DANGER Wait at least 5 minutes after turning off the power switch and disconnecting the

8. ELECTRICAL MECHANISM 124BAS-311G, BAS-326G Problem #1 The power indicator does not illuminate when the power is turned on. Cause Inspectio

8. ELECTRICAL MECHANISM 125BAS-311G, BAS-326G Problem #1 The power indicator does not illuminate when the power is turned on. Cause Inspectio

8. ELECTRICAL MECHANISM 126BAS-311G, BAS-326G Problem #2 When the power is turned on, nothing is displayed in the PROGRAM No. display or the m

8. ELECTRICAL MECHANISM 127BAS-311G, BAS-326G Problem #4 Panel keys do not work. Cause Inspection/Remedy/Adjustment Replacement if a malfunction

8. ELECTRICAL MECHANISM 128BAS-311G, BAS-326G Problem #7 When the foot switch is depressed, an error code is displayed. Cause Inspection/Reme

8. ELECTRICAL MECHANISM 129BAS-311G, BAS-326G Problem #8 When the foot switch is depressed, an error code is displayed. Cause Inspection/Reme

8. ELECTRICAL MECHANISM 130BAS-311G, BAS-326G Problem #9 When the foot switch is depressed, an error code is displayed. Cause Inspection/Reme

8. ELECTRICAL MECHANISM 131BAS-311G, BAS-326G Problem #12 Work clamp does not drop. Cause Inspection/Remedy/Adjustment Replacement if a malfunct

8. ELECTRICAL MECHANISM 132BAS-311G, BAS-326G Problem #17 Intermittent presser foot does not drop during sewing. Cause Inspection/Remedy/Adju

2. FUNCTION SETTINGS 7BAS-311G, BAS-326G No. Setting range Setting items Initial valueWork clamp operation before home position detection OFF Work

8. ELECTRICAL MECHANISM 133BAS-311G, BAS-326G Problem #17 Intermittent presser foot does not drop during sewing. Cause Inspection/Remedy/Adju

8. ELECTRICAL MECHANISM 134BAS-311G, BAS-326G Problem #19 An error code is displayed after the sewing machine operates. Cause Inspection/Reme

8. ELECTRICAL MECHANISM 135BAS-311G, BAS-326G Problem #21 Thread is not trimmed. Cause Inspection/Remedy/Adjustment Replacement if a malfunction

8. ELECTRICAL MECHANISM 136BAS-311G, BAS-326G Problem #22 Thread wiper does not operate. Cause Inspection/Remedy/Adjustment Replacement if a mal

9. TABLE OF ERROR CODES BAS-311G, BAS-326G 1379. TABLE OF ERROR CODES DANGER Wait at least 5 minutes after turning off the power switch and disco

9. TABLE OF ERROR CODES BAS-311G, BAS-326G 138Upper shaft motor-related errors Code Cause and remedy E110 Needle up stop position error. Turn the m

9. TABLE OF ERROR CODES BAS-311G, BAS-326G 139Communication and memory-related errors Code Cause and remedy E401 Connection communication error with

9. TABLE OF ERROR CODES BAS-311G, BAS-326G 140Data editing-related errors Code Cause and remedy E500 The enlargement ratio setting caused the sewing

10. TROUBLESHOOTING BAS-311G, BAS-326G 14110. TROUBLESHOOTING • Please check the following points before calling for repairs or service. • If the f

10. TROUBLESHOOTING BAS-311G, BAS-326G 142 Problem Cause Remedy ReferenceUpper thread tension is too strong. Adjust the upper thread tension. P.

2. FUNCTION SETTINGS 8BAS-311G, BAS-326GSewing machine motor settings No. Setting range Setting items Initial valueHighest needle position stop OFF

10. TROUBLESHOOTING BAS-311G, BAS-326G 143 Problem Cause Remedy ReferenceMovable knife is not cutting cleanly. Replace with a new one. P. 95 Fixed

11. 7-SEGMENT DISPLAY 144BAS-311G, BAS-326G 11. 7-SEGMENT DISPLAY ０ １ ２ ３ ４ ５ ６ ７ ８ ９ Ａ Ｂ Ｃ Ｄ Ｅ Ｆ Ｇ Ｈ Ｉ Ｊ

SERVICE MANUAL 15-1, Naeshiro-cho, Mizuho-ku, Nagoya 467-8561, Japan. Phone: 81-52-824-2177 Printed in Japan BAS-3

2. FUNCTION SETTINGS 9BAS-311G, BAS-326GFeed settings No. Setting range Setting items Initial valueMechanism home position return when sewing is fi

2. FUNCTION SETTINGS 10BAS-311G, BAS-326GOperation panel settings No. Setting range Setting items Initial valueOperation panel changing limitation

2. FUNCTION SETTINGS 11BAS-311G, BAS-326GData editing settings No. Setting range Setting items Initial valueSewing area limit in X direction [Units

2. FUNCTION SETTINGS 12BAS-311G, BAS-326G No. Setting range Setting items Initial valueThread breakage detector OFF Disabled 554 ON Fiber-type thr

BAS-311G, BAS-326G i This service manual is intended for BAS-311G, BAS-326G; be sure to read the BAS-311G, BAS-326G instruction manual before this man

2. FUNCTION SETTINGS 13BAS-311G, BAS-326GError processing settings No. Setting range Setting items Initial valueError release method when operation

2. FUNCTION SETTINGS 14BAS-311G, BAS-326GUnique machine settings No. Setting range Setting items Initial valueAutomatic start for extended option o

2. FUNCTION SETTINGS 15BAS-311G, BAS-326G<Pneumatic specifications, 2 pedal standard operations> Operating mode Memory switch setting Work cl

2. FUNCTION SETTINGS 16BAS-311G, BAS-326G2-7. Error history checking method The past error history can be checked by the following procedure.

2. FUNCTION SETTINGS 17BAS-311G, BAS-326G2-8. Input checking method Use this to check for any malfunctions of the operation panel keys, circuit boar

2. FUNCTION SETTINGS 18BAS-311G, BAS-326G PROGRAM No. display Menu display Check code Name Input status Check item and checking method [ 8] [ U

2. FUNCTION SETTINGS 19BAS-311G, BAS-326G PROGRAM No. display Menu display Check code Name Input status Check item and checking method [ 28] [Por

2. FUNCTION SETTINGS 20BAS-311G, BAS-326G2-9. Output checking method Use this to check for any malfunctions of the circuit boards, and for checking

2. FUNCTION SETTINGS 21BAS-311G, BAS-326G PROGRAM No. display Menu display Check code Name Operating details [ 61] [ CUt] Turns on the thread tri

2. FUNCTION SETTINGS 22BAS-311G, BAS-326G2-10. Software version checking method TEST indicator illuminates, Menu indicator swit

BAS-311G, BAS-326G ii [2] Notes on safety DANGER Wait at least 5 minutes after turning off the power switch and disconnecting the power cord from th

3. READING / WRITING DATA 23BAS-311G, BAS-326G 3. READING / WRITING DATA 3-1. Handling data Program numbers (100 − 999) are read from CF cards. Prog

3. READING / WRITING DATA 24BAS-311G, BAS-326G 3-2. Notes on handling CF cards (sold separately) • Use a CF card with a memory capacity of 32, 64,

3. READING / WRITING DATA 25BAS-311G, BAS-326G 3-4. Data read/write mode 1 With the power turned off, insert the CF card into the CF slo

3. READING / WRITING DATA 26BAS-311G, BAS-326G 3-5. Reading sewing data from CF cards 1 Select the [r 1] data read/write mode. 2

3. READING / WRITING DATA 27BAS-311G, BAS-326G 3-6. Writing sewing data to CF cards 1 Select the [w 2] data read/write mode. 2

3. READING / WRITING DATA 28BAS-311G, BAS-326G 3-7. Reading memory switch data from CF cards 1 Select the [r 3] data read/write mode. 2

3. READING / WRITING DATA 29BAS-311G, BAS-326G 3-9. Reading user program data from CF cards 1 Select the [r 5] data read/write mode. 2

3. READING / WRITING DATA 30BAS-311G, BAS-326G 3-11. Updating the control program 1 Select the [r 7] data read/write mode. 2 Press the R/W

3. READING / WRITING DATA 31BAS-311G, BAS-326G 3-12. Writing error log data to CF card 1 Select the [w 8] data read/write mode. 2

3. READING / WRITING DATA 32BAS-311G, BAS-326G 4 LoadingPress the R/W key. • The buzzer will sound and the selected sewing d

BAS-311G, BAS-326G iii CAUTION Sewing This sewing machine should only be used by operators who have received the necessary training in safe use bef

3. READING / WRITING DATA 33BAS-311G, BAS-326G 4 Writing Press the R/W key. • The buzzer will sound and the selected sewing dat

3. READING / WRITING DATA 34BAS-311G, BAS-326G 3-16. Writing extended option output data to CF cards 1 Select the [w 12] data read/write mod

4. MECHANICAL DESCRIPTIONS BAS-311G, BAS-326G 354. MECHANICAL DESCRIPTIONS 4-1. Needle bar and thread take-up mechanisms

4. MECHANICAL DESCRIPTIONS BAS-311G, BAS-326G 364-3. Work clamp lifter mechanism (Solenoid specifications)

4. MECHANICAL DESCRIPTIONS BAS-311G, BAS-326G 374-4. Work clamp lifter mechanism (Pneumatic specifications) 4-5. Intermit

4. MECHANICAL DESCRIPTIONS BAS-311G, BAS-326G 384-6. Intermittent presser foot stroke mechanism 1. Motor assy 2

4. MECHANICAL DESCRIPTIONS BAS-311G, BAS-326G 394-7. Feed mechanism Sewing patterns are created through combinations of X and Y movements.

4. MECHANICAL DESCRIPTIONS BAS-311G, BAS-326G 404-8. Thread trimmer mechanism 1. Thre

4. MECHANICAL DESCRIPTIONS BAS-311G, BAS-326G 414-9. Tension release mechanism 4-10. Thread wiper mechanism

5. DISASSEMBLY BAS-311G, BAS-326G 425. DISASSEMBLY CAUTION Disassembly should only be carried out by a qualified technician. Turn off the pow

BAS-311G, BAS-326G iv [3] Warning labels The following warning labels appear on the sewing machine. Please follow the instructions on the labels at al

5. DISASSEMBLY BAS-311G, BAS-326G 435-2. Thread wiper mechanism 1. Thread wiper solenoid harness (P

5. DISASSEMBLY BAS-311G, BAS-326G 445-3. Work clamp arm mechanism 1. Set screw 2.

5. DISASSEMBLY BAS-311G, BAS-326G 455-4. Intermittent presser foot lifter mechanism (1)

5. DISASSEMBLY BAS-311G, BAS-326G 465-5. Needle bar mechanism 1. Rubber cap 2. Sc

5. DISASSEMBLY BAS-311G, BAS-326G 475-6. Upper shaft mechanism 1. Screw (Loosen) 2. Set

5. DISASSEMBLY BAS-311G, BAS-326G 485-7. Lower shaft mechanism 11. Set screws [2 pcs]

5. DISASSEMBLY BAS-311G, BAS-326G 495-8. Feed covers 1. Bolts with washer [10 p

5. DISASSEMBLY BAS-311G, BAS-326G 505-9. Feed mechanism 1. Bolts with washer [2

5. DISASSEMBLY BAS-311G, BAS-326G 51 26. Bolts with washer [3 pcs]27. X-feed

5. DISASSEMBLY BAS-311G, BAS-326G 52 44. Bolts [10 pcs] 45. Flat screws [8 pcs] 46. Fe

BAS-311G, BAS-326G CONTENTS 1. SPECIFICATIONS ... 1 2. FUNCTION SETTINGS... 2 2-1. List of special

5. DISASSEMBLY BAS-311G, BAS-326G 535-10. Work clamp lifter mechanism (Solenoid specifications)

5. DISASSEMBLY BAS-311G, BAS-326G 54 5-11. Work clamp lifter mechanism (Pneumatic specifications)

5. DISASSEMBLY BAS-311G, BAS-326G 555-12. Tension release mechanism 5-13. Intermittent presser foot lifter mechani

5. DISASSEMBLY BAS-311G, BAS-326G 565-14. Thread trimmer mechanism 1. Set screws

5. DISASSEMBLY BAS-311G, BAS-326G 57 5-15. Shuttle hook mechanism 33. Movable knif

6. ASSEMBLY BAS-311G, BAS-326G 586. ASSEMBLY Apply grease to the required places when reassembling the parts and once every two years. 6-1. Th

6. ASSEMBLY BAS-311G, BAS-326G 59 16. Driving lever 17. Thread trimmer collar

6. ASSEMBLY BAS-311G, BAS-326G 606-2. Intermittent presser foot lifter mechanism (1) 6-3. Tension release mechanism

6. ASSEMBLY BAS-311G, BAS-326G 616-4. Work clamp lifter mechanism (Solenoid specifications) Apply grease <GREASE BZL-301 (SA2694-001)> specifie

6. ASSEMBLY BAS-311G, BAS-326G 62 18. Slide bush 19. Bolts [4 pcs] 20. Work clamp lifter plate a

BAS-311G, BAS-326G 6. ASSEMBLY ... 58 6-1. Thread trimmer mechanism (1) ... 58 6-2. Intermitte

6. ASSEMBLY BAS-311G, BAS-326G 63 1) With the screw stop of the

6. ASSEMBLY BAS-311G, BAS-326G 646-5. Work clamp lifter mechanism (Pneumatic specifications) Apply grease <GREASE BZL-301 (SA2694-001)> specifi

6. ASSEMBLY BAS-311G, BAS-326G 65 1) With the screw stop of the wo

6. ASSEMBLY BAS-311G, BAS-326G 666-6. Feed mechanism Apply grease (AFC manufactured by THK or equivalent) to the areas indicated by the white arrows.

6. ASSEMBLY BAS-311G, BAS-326G 67 26. Feed bracket X27. Bolts M3X6 [8 pcs] 28

6. ASSEMBLY BAS-311G, BAS-326G 68 33. Y-pulley bracket 34. Ball bearings [2 p

6. ASSEMBLY BAS-311G, BAS-326G 69 53. X-feed motor assy 54. Bolts with washer

6. ASSEMBLY BAS-311G, BAS-326G 70<X-GT belt tension adjustment> 1. Move the X feed bracket (1) so that it

6. ASSEMBLY BAS-311G, BAS-326G 71<Y-GT belt tension adjustment> 1. Move the X feed bracket (1) so that it is

6. ASSEMBLY BAS-311G, BAS-326G 72<Inside X-LM guide installation> 1. With tension applied to the X-GT belt and the X-feed motor assembly insta

1. SPECIFICATIONS 1BAS-311G, BAS-326G 1. SPECIFICATIONS Sewing machine Lock stitch, pattern tacking sewing machine (with large shuttle hook) Sti

6. ASSEMBLY BAS-311G, BAS-326G 736-7. Feed covers 1. Fixed cover R 2. Fixed c

6. ASSEMBLY BAS-311G, BAS-326G 74 After installing, carry out the adjustments i

6. ASSEMBLY BAS-311G, BAS-326G 756-8. Upper shaft mechanism 1. Upper shaft 2. Pulley g

6. ASSEMBLY BAS-311G, BAS-326G 761） Align the index mark D on the thread trimmer cam andthe index mark E on the joint assembly, and thenprovisionally

6. ASSEMBLY BAS-311G, BAS-326G 776-9. Needle bar mechanism Apply grease <GREASE BZL-301 (SA2694-001)> specified by Brother to the portions indi

6. ASSEMBLY BAS-311G, BAS-326G 78 18. Needle bar clamp 19. Needle bar (Insert from above) 20. Screw

6. ASSEMBLY BAS-311G, BAS-326G 796-10. Intermittent presser foot lifter mechanism (2)

6. ASSEMBLY BAS-311G, BAS-326G 80After installing the needle plate while referring to “6-13. Thread trimmer mechanism (2)”, carry out the following a

6. ASSEMBLY BAS-311G, BAS-326G 816-11. Lower shaft mechanism 5. Rock gear shaft (Ins

6. ASSEMBLY BAS-311G, BAS-326G 82 12. Lower shaft assy (Insert from the rear of the

2. FUNCTION SETTINGS 2BAS-311G, BAS-326G2. FUNCTION SETTINGS 2-1. List of special functions when power is turned on 1 Memory swi

6. ASSEMBLY BAS-311G, BAS-326G 836-12. Shuttle hook mechanism 6-13. Thread trimmer mechanism (2) Apply grease <GREASE

6. ASSEMBLY BAS-311G, BAS-326G 846-14. Work clamp arm mechanism 1. Feed plate 2.

6. ASSEMBLY BAS-311G, BAS-326G 856-14-1. Adjustments after work clamp arm installation <Retainer adjustmen

6. ASSEMBLY BAS-311G, BAS-326G 866-15. Thread wiper mechanism 1. Thread wiper unit 2.

6. ASSEMBLY BAS-311G, BAS-326G 876-16. Covers 1. Shuttle race cover assy 2. Screws [2 pcs]

7. ADJUSTMENT BAS-311G, BAS-326G 887. ADJUSTMENT CAUTION Maintenance and inspection of the sewing machine should only be carried out by a qualifi

7. ADJUSTMENT BAS-311G, BAS-326G 897-2. Standard thread tension Specifications Heavy-weight materials (-01) Medium-weight materials (-02) Upper thr

7. ADJUSTMENT BAS-311G, BAS-326G 90 7-2-2. Thread take-up spring <Thread take-up spring height> Loosen the set screw (1) and turn the adjuster

7. ADJUSTMENT BAS-311G, BAS-326G 917-3. Adjusting the needle bar height Turn the machine pulley to move the needle bar to the lowest p

7. ADJUSTMENT BAS-311G, BAS-326G 927-6. Adjusting the needle clearance Turn the machine pulley to align the tip of the rotary hook wit