Instruction/ maintenance manual of the product BAS-311E Brother
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BAS-311E,311EL BAS-326E,326EL SERVICE MANUAL PROGRAMMABLE ELECTRONIC PATTERN SEWER WITH CYLINDER BED Please read this manual before making any adjustments.
i BAS-311E.311EL.326E.326EL This service manual is intended for BAS-311E, 311EL and 326E; be sure to read the BAS-311E, 311EL, and 326E, 326EL instruction manuals before this manual. Carefully read the “SAFETY INSTRUCTIONS” below and the whole of this manual to understand this product before you start maintenance.
ii BAS-311E.311EL.326E.326EL Sewing Be sure to wear protective goggles and gloves when handling the lubricating oil and grease, so that they do not get into your eyes or onto your skin, otherwise inflammation can result. Furthermore, do not drink the oil or eat the grease under any circumstances, as they can cause vomiting and diarrhoea.
iii BAS-311E.311EL.326E.326EL Be sure to wear protective goggles and gloves when handling the lubricating oil and grease, so that they do not get into your eyes or onto your skin otherwise inflammation can result. Furthermore, do not drink the oil or eat the grease under any circumstances, as they can cause vomiting and diarrhoea.
iv BAS-311E.311EL.326E.326EL 1 ★ The following warning labels appear on the sewing machine. Please follow the instructions on the labels at all times when using the machine. If the labels have been removed or are difficult to read, please contact your nearest Brother dealer.
BAS-311E.311EL.326E.326EL INDEX Chapter 1. Mechanical description ........................................................... 1 1. Needle bar, thread take-up, lower shaft and shuttle hook mechanism ................. 1 2. Work clamp lifting mechanism (1)(2) .
BAS-311E.311EL.326E.326EL 3. Work clamp lifter mechanism .................................................................................. 29 4. Feed mechanism (X axis) .................................................................................
BAS-311E.311EL.326E.326EL Chapter 5. How to make up the work clamp ........................................... 70 1. How to make up clamping type work clamp ........................................................... 70 2. How to make up cassette type work clamp .
1 BAS-311E.311EL.326E.326EL Chapter 1. Mechanical description Chapter 1. Mechanical description 1. Needle bar, thread take-up, lower shaft and shuttle hook mechanism 1. When the machine pulley q rotates in the direction of the arrow, the upper shaft w rotates, then it rotates the thread take-up crank e .
2 BAS-311E.311EL.326E.326EL Chapter 1. Mechanical description 2. Work clamp lifting mechanism (1) (Solenoid type), 311E 1. When the presser signal is on, the presser solenoid q operates. 2. The plunger w operates in the direction of the arrow and moves link (B) t through link (C) e and link shaft (A) r .
3 BAS-311E.311EL.326E.326EL Chapter 1. Mechanical description Work clamp lifting mechanism (2) 311E, 311EL (Pneumatictype) 1. When the air cylinder q operates in the direction of the arrow, work clamp arm levers R w and F e also operate in the direction of the arrow.
4 BAS-311E.311EL.326E.326EL Chapter 1. Mechanical description 3. Feed mechanism (X axis) 311E, 311EL, 326E, 326EL 1. When X-timing pulley A326 w attached to the X-pulse motor q moves, its motion is transmitted to X-timing pulley B311 r via X-timing belt A311 e .
5 BAS-311E.311EL.326E.326EL Chapter 1. Mechanical description Feed mechanism (Y axis) 311E and 311EL 1. The driving gear w attached to the Y-pulse motor q oscillates the idle gear e . 2. When the idle gear e oscillates, the Y-timing belt y moves forward and backward through timing pulley (A) t attached to Y-pulley shaft (A) r .
6 BAS-311E.311EL.326E.326EL Chapter 1. Mechanical description 4. Presser foot mechanism (1) 1. When the upper shaft q rotates, the stepping work clamp cam w moves eccentrically, and the stepping work clamp connecting rod e oscillates stepping work clamp arm R r .
7 BAS-311E.311EL.326E.326EL Chapter 1. Mechanical description Presser foot mechanism (2) 1. When the stepping work clamp signal is on, the stepping solenoid q operates the lifter lever w . 2. The lifter lever w operates the work clamp lifter lever assy r via the work clamp lifter wire e .
8 BAS-311E.311EL.326E.326EL Chapter 1. Mechanical description 5. Thread trimmer mechanism 1. When the thread trimmer signal is on, the thread trimming solenoid q pushes the pushing lever driving lever w . 2. The pushing lever driving lever w pushes the thread trimmer driving lever r in the direction of the arrow, pivoting on the shoulder screw e .
9 BAS-311E.311EL.326E.326EL Chapter 1. Mechanical description 6. Thread nipper (1) when presser foot rises 1. When the machine stops, the stepping solenoid q operates, and the presser foot rises as soon as the work clamp rises.
10 BAS-311E.311EL.326E.326EL Chapter 1. Mechanical description 7. Thread wiper (1) (vertical wiper: standard) 1. After thread trimming, the thread wiper signal is on and the thread wiper solenoid q operates.
11 BAS-311E.311EL.326E.326EL Chapter 2. Disassembly Chapter 2. Disassembly 1. Covers (1) 311E 1. Remove the screw, the top cover q , the belt covers w and the rear cover e . 2. Loosen shoulder screw r and remove the work clamp lifter connect rod t . 3.
12 BAS-311E.311EL.326E.326EL Chapter 2. Disassembly Covers (2) 311EL 1. Remove the screws, the top cover q , the belt cover w , and the frame side cover e . 2. Remove the plunger pin t from the plunger r . 3. Remove the screws, and the faceplate y . 4.
13 BAS-311E.311EL.326E.326EL Chapter 2. Disassembly 2. Feed mechanism 1. Remove the screw, the needle q and the presser foot w and finger guard e . 2. Remove the bolt and the work clamp r . 3. Remove the screw, the feed plate t and the needle sub plate y .
14 BAS-311E.311EL.326E.326EL Chapter 2. Disassembly 3. Presser foot mechanism 1. Loosen the nut q , remove the adjust screw w , the spring guide e , and the spring r by lifting them from above of the machine, and remove the washer t .
15 BAS-311E.311EL.326E.326EL Chapter 2. Disassembly 4. Needle bar mechanism 1. Remove the rubber cap q . 2. Remove the needle bar thread guide w from the needle bar e . 3. Loosen the screw of the needle bar clamp r , and remove the needle bar e through the machine top.
16 BAS-311E.311EL.326E.326EL Chapter 2. Disassembly 5. Upper shaft mechanism 1. Loosen the screw w and the set screw e of thread take-up crank q . (The screw w should be loosened until its end comes off the upper shaft r .) 2. Remove the screw t , and the thread trimming solenoid y .
17 BAS-311E.311EL.326E.326EL Chapter 2. Disassembly 6. Feed mechanism (Y axis) (1) 311E and 311EL 1. Loosen the set screw and remove the X-feed shaft q . 2. Remove the screws and the work clamp arm w . 3. Tilt the machine head until it stops. 4. Remove the bolt of the Y-driving shaft holder e , the Y-driving shaft r and the X-feed shaft support t .
18 BAS-311E.311EL.326E.326EL Chapter 2. Disassembly Feed mechanism (Y axis) (2) 1. Remove the bolts, the Y-feed guide assembly q , the cross roller w , and the Y-feed bracket e . 2. Remove the screws, the X-feed bracket r , and the linear guide t . 3.
19 BAS-311E.311EL.326E.326EL Chapter 2. Disassembly Feed mechanism (Y axis) (3) 326E, 326E 1. Secure the slider support shaft w of the work clamp assy q using the supplied set screw e . (To prevent the slider support shaft w and the slider r from suddenly protruding, be sure to do this job.
20 BAS-311E.311EL.326E.326EL Chapter 2. Disassembly 7. Feed mechanism (X axis) (1) 311E 1. Remove the rubber cap q . 2. Loosen the set screws of X-timing pulley B311 w and timing pulley A e , and remove the X-timing pulley shaft t and retaining ring r .
21 BAS-311E.311EL.326E.326EL Chapter 2. Disassembly Feed mechanism (X axis) (2) 311EL and 326E, 326EL 1. Remove the bolt w and the washer e of X-pulley bracket L q , and the adjust bolt r . 2. Remove the bolt y and the washer u of X-pulley bracket R t , and the adjust bolt i .
22 BAS-311E.311EL.326E.326EL Chapter 2. Disassembly 8. Lower shaft mechanism 1. Tilt the machine head until it stops. 2. Remove the bobbin case q and the shuttle hook w .
23 BAS-311E.311EL.326E.326EL Chapter 2. Disassembly 9. Work clamp lifter (Solenoid type) 1. Remove the spring q . 2. Remove the screw w , and the presser solenoid e from the plunger r by lifting the latter from above. Be sure to hold the plunger r securely so that it does not fall.
24 BAS-311E.311EL.326E.326EL Chapter 2. Disassembly 10. Thread nipper mechanism 1. Remove the set screw, the thread tension q , the pin w , and the tension release bar e . 2. Remove the shoulder screw r and the tension release rod t . 3. Remove the screw and the tension release assembly y .
25 BAS-311E.311EL.326E.326EL Chapter 2. Disassembly 11. Thread trimmer mechanism 1. Remove the screws q , the flat screws w and the needle plate e . 2. Remove the rubber cap r , loosen the set screw t , and remove the connecting rod lever shaft y . 3.
26 BAS-311E.311EL.326E.326EL Chapter 3. Assembly Chapter 3. Assembly 1. Thread trimmer mechanism (1) 1. Insert the driving lever shaft q into the machine. Place the spring w , the thread trimmer driving lever e , and the cushion r on the shaft in this order.
27 BAS-311E.311EL.326E.326EL Chapter 3. Assembly 2. Thread nipper mechanism 1. Pass the tension release assembly q from the bottom of the machine to the top. 2. Attach the wire support w to the solenoid set plate e with the bolt r . 3. Temporarily attach the lifter lever t to the shaft of the stepping solenoid y .
28 BAS-311E.311EL.326E.326EL Chapter 3. Assembly 11 .Attach the tension release bar !4 , the pin !5 and the thread tension assembly !6 to the machine. Fit the set screw !7 in the groove of the thread tension assembly !6 , then tighten it. 12.Turn the stepping solenoid !8 fully in the direction of the arrow.
29 BAS-311E.311EL.326E.326EL Chapter 3. Assembly 3. Work clamp lifter mechanism 1. Attach the presser plate q to the presser bar lifter lever rubber w , and insert them from the bottom of the arm. Insert the parts r linked to the plunger e from the top of the arm, and fit them on link shaft C t , link B y , and the presser plate q .
30 BAS-311E.311EL.326E.326EL Chapter 3. Assembly Make sure that work clamp easily moves up and down, and apply grease to sliding portions to assemble parts. 1. Sliding portions of link shaft C q and link B w . 2. Sliding portions of link shaft B e , link B w , link A r , and link C t .
31 BAS-311E.311EL.326E.326EL Chapter 3. Assembly 4. Feed mechanism (X axis) 311E 1. Fit the ball bearings q on X-pulley bracket L, and pass the X-timing pulley shaft w from the front of X-pulley bracket L through timing pulley A e , X-timing belt B311 r , X-timing pulley B326 t , and X-timing belt A326 y .
32 BAS-311E.311EL.326E.326EL Chapter 3. Assembly 5. Attach the linear guide !5 , the X-feed bracket !6 , and the X-feed guide !7 to the bed using the three bolts !8 . Note: Adjust the X-feed guide !7 so that the X-feed bracket !6 can easily move left or right.
33 BAS-311E.311EL.326E.326EL Chapter 3. Assembly Feed mechanism (X axis) 311EL, 326E 1. Place X-timing belt B326 w between the two timing belt spacers e on the back of the X-feed bracket q . Align a rectangular slot of the belt holder r with a tooth of X-timing belt B326 w , and secure them using the bolt t .
34 BAS-311E.311EL.326E.326EL Chapter 3. Assembly Feed mechanism (X axis) 311EL and 326E 4. Position X-timing pulley B326 !6 , which is attached to X-pulley bracket L !1 via the X-timing pulley shaft !3 , so that there is a 2 mm clearance between the top of X-timing pulley B326 !6 and end A of X-pulley base L !1 .
35 BAS-311E.311EL.326E.326EL Chapter 3. Assembly Feed mechanism (Y axis) 311E and 311EL 1. Loop the Y-timing belt q around the Y-driving pulse mo- tor bracket w , and pass Y-pulley shaft B e through the Y-driving pulse motor bracket w , timing pulley A r , and the micro bearing t .
36 BAS-311E.311EL.326E.326EL Chapter 3. Assembly 9. Attach the Y-axis feed guide @0 to the left of the X-feed bracket @1 , pressing the former against the latter. 10.Attach the Y-axis feed bracket @2 , the cross roller @3 , and the right of the Y-axis feed guide @4 right of the to the X- feed bracket @1 .
37 BAS-311E.311EL.326E.326EL Chapter 3. Assembly Feed mechanism (Y axis) 326E 1. Engage the driving gear w embedded in the Y-feed pulse motor bracket q with the rack of the Y-driving shaft e .
38 BAS-311E.311EL.326E.326EL Chapter 3. Assembly 5. Temporarily attach the work clamp Arm !2 to the Y-feed bracket i using the bolts and washers. 6. Temporarily attach the X-feed shaft support !3 to the Y-driving shaft e using the bolts and washers. 7.
39 BAS-311E.311EL.326E.326EL Chapter 3. Assembly 6. Upper shaft mechanism 1. Insert the upper shaft q from the rear of the machine, and place the thread trimmer cam w and the stepping work clamp connecting rod e on the shaft. * Apply adhesive (equivalent of Three Bond 1401) around the area which the bearing in the machine goes into.
40 BAS-311E.311EL.326E.326EL Chapter 3. Assembly 7. Needle bar mechanism 1. Temporarily tighten the screw w of the needle bar guide q . 2. Pass the thread take-up support stud e through the thread take-up assembly r , lightly press the former, and secure them using the set screw t .
41 BAS-311E.311EL.326E.326EL Chapter 3. Assembly 8. Presser foot mechanism 1. Insert the presser bar w into the presser bar bush q . Pass the presser bar lifter e , the cushion r , and the needle bar clamp t through the presser bar w in that order. 2.
42 BAS-311E.311EL.326E.326EL Chapter 3. Assembly 6. Turn the pulley to align the needle bar with the shuttle hook. At this time, turn the stepping work clamp con- necting rod !8 to turn stepping work clamp arm F !1 in the direction of the arrow and move the stepping link assy !6 in the direction of the arrow.
43 BAS-311E.311EL.326E.326EL Chapter 3. Assembly 9. Lower shaft mechanism (1) 1. Tilt the machine head until it stops. 2. Insert the rock gear shaft q from the rear of the machine, pass the rock gear w , the set screw collar e over the shaft, bring them close together without any clearance, and tighten the set screw r .
44 BAS-311E.311EL.326E.326EL Chapter 3. Assembly 10. Lower shaft (Rotary hook) (2) 1. Fit the inner rotary hook in the large shuttle hook. 2. Turn the pulley to raise the needle bar from its lowest position until the second highest reference line on the needle bar q aligns with the end of needle bar bush (D) w .
45 BAS-311E.311EL.326E.326EL Chapter 3. Assembly 11. Thread trimmer mechanism 1. Fit the hole of the thread trimmer connecting rod q over the pin of the connecting rod lever w . Secure the needle plate e using the screws r and t so that the hole on the needle plate is centered at the needle position.
46 BAS-311E.311EL.326E.326EL Chapter 3. Assembly 12. Feed guide mechanism (Home position adjustment: X ) 311E, 311EL, and 326E 1. Secure the large shuttle hook cover q with the two shoulder screws w . 2. Secure the needle sub plate e with the screw r .
47 BAS-311E.311EL.326E.326EL Chapter 3. Assembly 12.Press the P key and adjust the X-sensor setting plate !7 so that the needle !4 is aligned with the home position (X=0, Y=0) of the H-position standard plate !1 .
48 BAS-311E.311EL.326E.326EL Chapter 3. Assembly Feed guide mechanism (Home position adjustment: Y ) 311E and 311EL 1. Press the P key on the programmer, and adjust the Y-home position dog e so that the needle q is aligned with the home position (X=0, Y=0) of the H-position standard plate w .
49 BAS-311E.311EL.326E.326EL Chapter 3. Assembly 13. Covers 311E 1. Secure XY-feed base covers (L) q and (R) w with the screws e . 2. Attach Y-feed bracket cover (B) r to Y-feed bracket cover (A) t . Secure the right and left X-feed bracket covers (L),(R) y with the screws u .
50 BAS-311E.311EL.326E.326EL Chapter 3. Assembly 1. Attach the XY-feed bracket covers L q and R w using the screws. 2. Insert the left and right feed bracket cover supports e in the direction of the arrow, and tighten the screws. 3. Attach the X-axis feed bracket covers t using the screws.
51 BAS-311E.311EL.326E.326EL Chapter 4. Adjustments Chapter 4. Adjustments 1. Adjusting the needle bar height adjustment Turn the machine pulley to move the needle bar to the lowest position.
52 BAS-311E.311EL.326E.326EL Chapter 4. Adjustments 3. Adjusting the needle clearance 0.01 - 0.08mm q w q w e q A Turn the machine pulley to align the tip of the rotary hook with the needle center line. Then loosen the set screw q and turn the eccentric shaft w to adjust so that the clearance between the needle and the rotary hook is 0.
53 BAS-311E.311EL.326E.326EL Chapter 4. Adjustments 6. Adjusting the two-step work clamp lift amount ¡ The maximum work clamp lift amount is 25 ± 1 mm (for solenoid type) or 30 ± 1 mm (for pneumatic type) from the top of the needle plate. ¡ The lift amount for each model is adjusted as shown in the table at the time of shipment.
54 BAS-311E.311EL.326E.326EL Chapter 4. Adjustments 6-3. Adjustment of air pressure (for Pneumatic type 311E, 311EL, 326E, 326EL) 1. Air pressure should be 0.49 MPa [5 kgf /cm 2 ]. The air pressure can be adjusted by pulling up and turn- ing the control knob w on the integrator q .
55 BAS-311E.311EL.326E.326EL Chapter 4. Adjustments 7. Adjusting the movable knife Loosen the nut e and move connecting rod lever r to the left or right to adjust so that the V section A of the movable knife q is aligned with the index mark B on the needle plate w when the machine is at the stop position.
56 BAS-311E.311EL.326E.326EL Chapter 4. Adjustments 4. Fit the thread cutter connecting rod o on connecting le- ver pin !0 , and install the needle plate w .
57 BAS-311E.311EL.326E.326EL Chapter 4. Adjustments 5. When installing the feed plate y , use a 2 mm- diameter pin !3 (such as a needle) to align the hole in the needle plate w with the hole in the feed plate w when the ma- chine is at the home position, and then tighten the bolts t .
58 BAS-311E.311EL.326E.326EL Chapter 4. Adjustments 8. Adjusting the lowest point of the presser foot 1. Turn the pulley to align the needle bar with the shuttle hook.
59 BAS-311E.311EL.326E.326EL Chapter 4. Adjustments 8-1. Presser foot adjustment 1. Loosen the screw q , lower the presser foot w so that its bottom can lightly touch the workpiece, and tighten the screw q again. Note: If the presser foot is lowered too far, the workpiece will shift when sewing.
60 BAS-311E.311EL.326E.326EL Chapter 4. Adjustments 10. Wiper adjustment ■ For vertical wiper (standard) 1. When the thread wiper solenoid plunger q is driven to the full stroke, the wiper w should be 15 mm in front of the needle center. Loosen bolts e and shift the entire solenoid bracket r up or down to adjust.
61 BAS-311E.311EL.326E.326EL Chapter 4. Adjustments 11. Adjusting the home position 1. Remove the needle and presser foot. 2. Remove the flat screws w and screws r of the work clamp guide brackets A q , B e and replace the work clamp y with the H-position standard plate t .
62 BAS-311E.311EL.326E.326EL Chapter 4. Adjustments ■ (Y axis) 311E and 311EL 1. Remove the belt cover q and the frame side cover w . 2. Connect the programmer to the operation panel. 3. Turn on the power of the machine. 4. Press the P key on the programmer.
63 BAS-311E.311EL.326E.326EL Chapter 4. Adjustments ■ (Y axis) 326E, 326EL 1. Press the P key and adjust the Y-sensor setting plate e so that the needle q is aligned with the home position (X=0, Y=0) of the H-position standard plate w .
64 BAS-311E.311EL.326E.326EL Chapter 4. Adjustments 12. Adjusting the tension of the timing belt ■ Adjusting the tension of X-timing belt 311E 1. Remove the X-feed bracket cover q . 2. Loosen the bolt e of X-pulley base B w , then adjust the tension using the bolt r .
65 BAS-311E.311EL.326E.326EL Chapter 4. Adjustments 311EL and 326E, 326EL ■ Adjusting the tension of X-timing belt A326 X-timing belt A326 e is looped around X-timing pulley A311 (A326) q and X-timing pulley B326 w .
66 BAS-311E.311EL.326E.326EL 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 .
67 BAS-311E.311EL.326E.326EL Chapter 4. Adjustments 14. Adjusting the driving lever stopper position 1. Remove the screws q and the top cover w . 2. If thread trimming is not performed, loosen the bolts t so that the difference between the thread trimmer driving lever e and the driving lever stopper r is 6 mm.
68 BAS-311E.311EL.326E.326EL Chapter 4. Adjustments 16. Work clamp lift components for manual operation (Sole- noid type) 1. Fully press in the plunger w of the work clamp solenoid q .
69 BAS-311E.311EL.326E.326EL Chapter 4. Adjustments 18. Adjusting the needle up stop position r w y u t q e 1. Loosen the screw t (at the U side on the pulley q ), and turn the pulley q so that the mark w on the pulley is inside the mark r of the belt cover e .
70 BAS-311E.311EL.326E.326EL Chapter 5. How to make up the work clamp Chapter 5. How to make up the work clamp • The work clamp is available in two types; clamping type and cassette type. The maximum sewing range is (W × L) BAS-311E (130mm × 60mm), 311EL (220mm × 60mm), 326E (200mm × 100mm), 326EL (220mm × 100mm).
71 BAS-311E.311EL.326E.326EL Chapter 5. How to make up the work clamp ■ How to make up the plastic work clamp 1. Cut out the plastic plate according to the counter of a material to be sewn. 2. Bond a paper cushion material or the like around the cut- out section to firmly press a material to be sewn.
72 BAS-311E.311EL.326E.326EL Chapter 5. How to make up the work clamp Cassette presser 1L t=3.2 SO2845-001 SO2846-001 Cassette presser 1R Cassette presser 4L t=3.2 SO2851-001 SO2852-001 Cassette presser 4R Cassette presser 2L t=3.2 SO2847-001 SO2848-001 Cassette presser 2R Cassette presser 3L t=3.
73 BAS-311E.311EL.326E.326EL Chapter 6 Power supply and electrical parts adjustment Chapter 6 Power supply and electrical parts adjustment 1. Precautions at the time of adjustment Pay attention to the following when opening the control box for maintenance.
74 BAS-311E.311EL.326E.326EL Chapter 6 Power supply and electrical parts adjustment 3. Fuse explanation When replacing a fuse, follow the instructions indicated in "10-9. Troubleshooting flowchart." If a component on a PCB is damaged, a fuse may blow again immediately even when it has been replaced.
75 BAS-311E.311EL.326E.326EL Chapter 6 Power supply and electrical parts adjustment 4. Connectors Most of the machine trouble is due to connector problems including improper connection or insufficient contact.
76 BAS-311E.311EL.326E.326EL Chapter 6 Power supply and electrical parts adjustment Power supply circuit board Outside of the panel Panel circuit board P5 DC300 P4 ACIN P3 DC18 P2 PER P1 POWER P4 OPTI.
77 BAS-311E.311EL.326E.326EL Chapter 6 Power supply and electrical parts adjustment Programmer and programmer circuit board Programmer PCB Programmer P - ROM LCD inverter LCD LCD contrast VR Operation.
78 BAS-311E.311EL.326E.326EL Chapter 6 Power supply and electrical parts adjustment • Home position is not properly detected. • Error [E.A1] appears. • Forward feed does not operate correctly. • Error [E.A1] appears. • Sideways feed does not operate correctly.
79 BAS-311E.311EL.326E.326EL Chapter 6 Power supply and electrical parts adjustment 3. Sewing operation • The work clamp does not operate. • (For BAS-311E solenoid type, there is no need to carry out wiring to air valves.) • The power lamp is not lit, and nothing operates.
80 BAS-311E.311EL.326E.326EL Chapter 6 Power supply and electrical parts adjustment • The machine motor does not run. • Motor operation is unstable. • Needle up stop position is not correct. • Error [E.20] appears. • Error [E.22] appears.
81 BAS-311E.311EL.326E.326EL Chapter 6 Power supply and electrical parts adjustment • Error [E.40] appears. • Error [E.12] appears. • Emergency stop switch is rejected.
82 BAS-311E.311EL.326E.326EL Chapter 6 Power supply and electrical parts adjustment 5. DIP switches Note: When changing DIP switch setting the power must be off. Panel DIP switch functions ■ DIP switch A A - 1 When ON After sewing is complete, the work clamp is raised by the operator and does not rise automatically.
83 BAS-311E.311EL.326E.326EL Chapter 6 Power supply and electrical parts adjustment ■ DIP switch B B -1 B -2 B -3 B -4 B -5 B -6 B -7 B -8 When ON Single split mode activated ---------------- Thread is not trimmed after an emergency stop. Needle cooler output is produced.
84 BAS-311E.311EL.326E.326EL Chapter 6 Power supply and electrical parts adjustment DIP switches inside the control box Wait at least 5 minutes after turning off the power switch and disconnecting the power cord from the wall outlet before opening the face plate of the control box.
85 BAS-311E.311EL.326E.326EL Chapter 6 Power supply and electrical parts adjustment ■ DIP switch D D -1 D -2 D -3 D -4 D -5 D -6 D -7 D -8 When ON The first two stitches at the sewing start will be sewn at low speed (approx. 260 spm). The last two stitches at the sewing end will be sewn at low speed (approx.
86 BAS-311E.311EL.326E.326EL Chapter 6 Power supply and electrical parts adjustment 6. Changing special functions using the memory switches The functions of the switches on the operation panel can be changed to carry out special functions. Note: The following are special uses.
87 BAS-311E.311EL.326E.326EL Chapter 6 Power supply and electrical parts adjustment ■ Memory Switches (00 – 0F) memo-00 memo-01 memo-02 memo-03 memo-04 memo-05 memo-06 memo-07 memo-08 memo-09 memo.
88 BAS-311E.311EL.326E.326EL Chapter 6 Power supply and electrical parts adjustment memo-10 memo-11 memo-12 memo-13 memo-14 memo-15 memo-16 memo-17 memo-18 memo-19 memo-1A memo-1b memo-1c memo-1d memo-1E memo-1F When ON Milling device can be used (available as an option).
89 BAS-311E.311EL.326E.326EL Chapter 6 Power supply and electrical parts adjustment [Set value] 0: Sensor home position, 1: Center of sewing area, 2: Upper left of sewing area, 3: Lower left of sewing.
90 BAS-311E.311EL.326E.326EL Chapter 6 Power supply and electrical parts adjustment 7. Checking the input sensor and DIP switch input 1. When the SPLIT NO.
91 BAS-311E.311EL.326E.326EL Chapter 6 Power supply and electrical parts adjustment 8. Checking the input voltage 1. Turn on the power switch. 2. Press the MENU switch q until the X-SCALE indicator w is lit. 3. While pressing the TEST switch e , press the R/W switch r .
92 BAS-311E.311EL.326E.326EL Chapter 6 Power supply and electrical parts adjustment 10. Confirming software version 1. While pressing the TEST switch q , turn on the power to the machine.
93 BAS-311E.311EL.326E.326EL Chapter 6 Power supply and electrical parts adjustment 11. Error codes NOTE ¡ If an operation problem occurs, a buzzer will sound and an error code will appear on the display screen; if a programmer is connected, an error message will appear on the screen.
94 BAS-311E.311EL.326E.326EL Chapter 6 Power supply and electrical parts adjustment Wait at least 5 minutes after turning off the power switch and disconnecting the power cord from the wall outlet before opening the face plate of the control box. Touching areas where high volt- ages are present can result in severe injury.
95 BAS-311E.311EL.326E.326EL Chapter 7 Chapter 7. Trouble shooting OFF ■ Explanation of shapes Indicates manual operation. Indicates switch operation.
96 BAS-311E.311EL.326E.326EL Chapter 7 YES NO YES NO NO YES Press the PRO NO. Switch, then press the R/W switch. Step on the Foot switch. Does an error code appear after the indicator lamp is lit and turned off? Do presser foot and work clamp move up and down? Does any error code appear on the ERROR NO.
97 BAS-311E.311EL.326E.326EL Chapter 7 Input sewing data. Step on the foot switch to close the work clamp. Step on the presser plate lifter switch. #6 #8 OFF #7 OFF OFF Presser foot and presser plate operation Shifting to the sewing start position Set cassette or material to be sewn.
98 BAS-311E.311EL.326E.326EL Chapter 7 Test Press the TEST switch. Step on the start foot switch. Step on the presser plate lifter switch. Release the presser plate lifter switch.
99 BAS-311E.311EL.326E.326EL Chapter 7 Sewing operation Press the TEST switch to turn off the TEST lamp. Step on the start foot switch. YES NO Does an error code appear after the machine starts? NO YE.
100 BAS-311E.311EL.326E.326EL Chapter 7 Emergency stop and restarting operation Programing device Press the EM switch while sewing. Press the EM switch again. Press the STEP BACK switch. Release the STEP BACK switch and step on the start foot switch. Press the ∏ Key on the programmer.
101 BAS-311E.311EL.326E.326EL Chapter 7 ■ Problem solution and measures Precautions ¡ Pay attention to the following when opening the control box for maintenance. ™ Electrical shock Some large capacitors may have a high voltage remaining in them for up to 5 minutes after the power is turned off.
102 BAS-311E.311EL.326E.326EL Chapter 7 #1 The power lamp does not light when the power is turned on. Probable causes 1. Conversion transformer improperly wired (for 100 V, 110V specification) To the .
103 BAS-311E.311EL.326E.326EL Chapter 7 #1 continued Probable causes 4. Fuse has blown 5. Power supply circuit board defective 6. Control circuit board defective 7. Panel circuit board defective Check/repair/adjust • Remove fuses No.3 and No.4, and check them for continuity.
104 BAS-311E.311EL.326E.326EL Chapter 7 #1 The power lamp does not light when the power is turned on. Probable causes 1. With error code [E.12], the emergency stop switch is activated, or it is defective. 2. With error code [E.21], the machine is malfunctioning.
105 BAS-311E.311EL.326E.326EL Chapter 7 #1.2 No switches on the panel are not activated. #2 If the R/W switch is pressed, the indicator lamp is not lit and an error code appears. Probable cause 11. With error code [E.c4], overcurrent has occurred in Y- pulse motor.
106 BAS-311E.311EL.326E.326EL Chapter 7 #3 After a few seconds after the R/W switch is pressed, an error code appears. #4 The work clamp does not move up and down when the foot switch is stepped on. Probable causes 1. With error code [E.40], a floppy disk is not inserted.
107 BAS-311E.311EL.326E.326EL Chapter 7 #4 The work clamp does not move up and down when the foot switch is stepped on. Probable causes 4. Power PCB defective.
108 BAS-311E.311EL.326E.326EL Chapter 7 #4 The work clamp does not move up and down when the foot switch is stepped on. #6 When the start switch is stepped on, the work clamp does not return to its home position. #7 When the start switch is stepped on, an error code appears.
109 BAS-311E.311EL.326E.326EL Chapter 7 #8 The work clamp does not move to the sewing start position. #9 The TEST lamp is not lit when the TEST switch is pressed. #10 No feeding operation occurs during the test. #11 Rapid feed can not be performed during the test.
110 BAS-311E.311EL.326E.326EL Chapter 7 #13 The machine does not operate for sewing and error [E.20] appears. #14 After the machine operates, an error code appears. #15 The machine cannot sew patterns as pro- grammed. #16 Thread trimmer and thread wiper do not operate.
111 BAS-311E.311EL.326E.326EL Chapter 7 #17 The machine does not stop with the needle at the upper position. #18 The machine can not sew patterns as pro- grammed. #19 The operation will not stop if the emergency stop switch is pressed. #20 The thread trimmer does not operate after the emergency stop switch is canceled.
112 BAS-311E.311EL.326E.326EL Chapter 8. Chapter 8. 1. Gauge parts list according to subclasses The following parts are available for the BAS-311E, 311EL, 326E, 326EL for adding further flexibility to the range of appli- cations.
113 BAS-311E.311EL.326E.326EL Chapter 9. Gauge parts list Ref.No.E Ref.No.XY Ref.No.B Ref.No.F Ref.No.C Ref.No.G Ref.No.D Ref.No.J Ref.No.A * ø4 ø2.5 5 ø5.5 ø4 5 ø3 ø2 5 ø6 ø3 ø10 ø2.5 ø1.6 5 ø2 ø2 ø3 2.5 ø4 ø2.5 10 ø4 φ 2.5 5 Chapter 9.
114 BAS-311E.311EL.326E.326EL Chapter 9. Gauge parts list ■ Work clamp, Feed plate (BAS-311E) CODE QTY NAME OF PARTS REF.NO. 6 7 8 9 10 73 75-1 75-2 140-1 140-2 75-3 75-4 75-5 75-6 75-7 155 156 157 .
115 BAS-311E.311EL.326E.326EL Chapter 9. Gauge parts list CODE QTY NAME OF PARTS REF.NO. 138 150-1 150-2 150-3 152 154 153-1 153-2 153-3 153-4 153-5 153-6 153-7 89 89 89 202 203 CODE S42888001 S436970.
116 BAS-311E.311EL.326E.326EL Chapter 9. Gauge parts list ■ Work clamp and Feed plate (BAS-311EL) CODE QTY NAME OF PARTS REF.NO. 6 7 8 9 10 73 75-1 75-2 140-2 75-3 75-4 75-5 75-6 75-7 140-1 CODE S44.
117 BAS-311E.311EL.326E.326EL Chapter 9. Gauge parts list ■ Feed plate blank and Work clamp blank (BAS-311EL) CODE QTY NAME OF PARTS REF.NO. 89 89 89 138 150-1 150-2 150-3 152 151-1 151-2 151-3 153-.
118 BAS-311E.311EL.326E.326EL Chapter 9. Gauge parts list ■ Feed mechanism (BAS-326E) CODE QTY NAME OF PARTS REF.NO. 73 75-1 75-2 76 77 78 91 140 140-1 140 140-2 5 5 75-3 75-4 75-5 75-6 CODE S444470.
119 BAS-311E.311EL.326E.326EL Chapter 9. Gauge parts list ■ Feed mechanism (Option parts) BAS-326E CODE QTY NAME OF PARTS REF.NO. 138 155 150-1 150-2 150-3 152 151-1 151-2 151-3 153-1 153-1 153-1 15.
120 BAS-311E.311EL.326E.326EL Chapter 9. Gauge parts list ■ Feed mechanism (BAS-326E, 326EL) CODE QTY NAME OF PARTS REF.NO. 6 6 7 7 8 9 10 73 75-1 75-2 140-1 140-2 5 75-3 75-4 75-5 75-6 154-1 154-2 .
121 BAS-311E.311EL.326E.326EL Chapter 9. Gauge parts list ■ Feed mechanism (Option parts) 1 0.5 0.1 0.6 0.1 0.6 138 155 150 -1 272 136 164 248 150 -3 272 136 164 248 150 -2 272 136 164 248 153 -3 152 242.2 272 106.2 136 124 61 153 -4 272 136 124 61 136 136 124 61 0.
122 BAS-311E.311EL.326E.326EL Chapter 9. Gauge parts list ■ Feed mechanism (Option parts) BAS-326E,326EL CODE QTY NAME OF PARTS REF.NO. 151-1 151-2 151-3 155 154-1 154-2 154-3 154-4 189-1 189-1 189-.
123 BAS-311E.311EL.326E.326EL Chapter 10. Option parts Chapter 10. Option parts ■ Programmer assy ■ Inner clamp device ■ One-touch clamping device ■ Milling device ■ WP stitch device ■ Aut.
124 BAS-311E.311EL.326E.326EL Chapter 10. Option parts ■ Programmer CODE QTY NAME OF PARTS REF.NO. 1 1-1 1-2 1-3 1-4 1-5 1-6 1-7 1-8 1-9 1-10 1-11 1-12 1-13 1-14 1-15 1-16 1-17 1-18 1-19 1-20 1-21 C.
125 BAS-311E.311EL.326E.326EL Chapter 10. Option parts ■ Inner clamping device (Option device) CODE QTY NAME OF PARTS REF.NO. 1 1-1 1-1-1 1-1-2 1-1-3 1-1-4 1-1-5 1-1-6 1-1-7 1-1-8 1-1-9 1-1-10 1-1-1.
126 BAS-311E.311EL.326E.326EL Chapter 10. Option parts ■ Inner clamping device (Option device) BAS-326EL 1 -11-7 1 -11-9 1 1 -1-15 1 -11-6 1 -13 1 -1-1 1 -1-17 1 -1-24 1 -1-23 1 -1-21 1 -1-20 1 -1-2.
127 BAS-311E.311EL.326E.326EL Chapter 10. Option parts ■ One-touch work clamp CODE QTY NAME OF PARTS REF.NO. 1 2 3 3-1 3-2 3-3 3-4 3-5 4 4-1 4-2 5 5-1 5-2 3-1 3-2 CODE S24612001 S14841001 S44794001 .
128 BAS-311E.311EL.326E.326EL Chapter 10. Option parts 3 -4 4 -1 5 -1 3 -3 3 -2 3 -1 3 3 -5 6 -1 6 -2 3 -5 4 -2 5 -2 5 4 ■ One-touch work clamp (Option parts) BAS-326EL For Supplry parts ✩ Parts which have an asterisk (*) parts which have been assembled and adjusted to high precisions.
129 BAS-311E.311EL.326E.326EL Chapter 10. Option parts ■ Snap fastener and hook attachment device M-525K M-528K M-520K M-533K OM ø7.6,ø8.6 M-508K CODE QTY NAME OF PARTS REF.NO. 1 1 1 1 1 1-2 CODE S42804001 S42807001 S42809001 S42811001 S42813001 153057002 QTY 1 1 1 1 1 2 NAME OF PARTS <FOR M-508K> WORK CLAMP SET,S.
130 BAS-311E.311EL.326E.326EL Chapter 10. Option parts CODE QTY NAME OF PARTS REF.NO. 2 3 S13099001 S13100001 1 1 <For Sewing the belt with hook> NEEDLE PLATE,H FEED DOG,H ■ For sewing the bel.
131 BAS-311E.311EL.326E.326EL Chapter 10. Option parts PARTS CORD HOOK SIZE (mm) SNAP SIZE (mm) SHAPE 310-HSQ DEVICE UNIT M-508 MALE S24605-101 OM Ø7.
132 BAS-311E.311EL.326E.326EL Chapter 10. Option parts PARTS CORD HOOK SIZE (mm) SNAP SIZE (mm) 310-HS DEVICE UNIT M-508 MALE S18581-001 OM Ø7.6,Ø8.6 M-508 FEMALE S18590-001 M-525 MALE S18598-001 M-.
133 BAS-311E.311EL.326E.326EL Chapter 10. Option parts ■ Wide perfect device CODE QTY NAME OF PARTS REF.NO. 1 1-1-1 1-2 1-3 1-4-1 1-4-1-1 1-5-1 1-6-1 CODE S44795001 S40837001 S40840001 S40841101 S40.
134 BAS-311E.311EL.326E.326EL Chapter 10. Option parts ■ Needle cooler set CODE QTY NAME OF PARTS REF.NO. 4 4-1 4-2 4-3 4-3-1 4-3-2 4-3-2-1 4-3-2-2 4-3-3 4-3-4 4-4 4-5 S43846009 S18027101 S15031008 .
135 BAS-311E.311EL.326E.326EL Chapter 10. Option parts ■ Play prevention work clamp ■ For Horizontal Wiper CODE QTY NAME OF PARTS REF.NO. 27 28 29 30 31 32 33 34 35 36 37 S42859001 S42864001 15620.
136 BAS-311E.311EL.326E.326EL Chapter 10. Option parts ■ Thread wiper set: Pneumatic type CODE QTY NAME OF PARTS REF.NO. 3 3-1 3-1-1 3-1-2 3-1-3 3-1-4 3-1-5 3-1-6 3-1-7 3-1-8 3-1-9 3-1-10 3-1-11-1 3.
137 BAS-311E.311EL.326E.326EL Chapter 10. Option parts ■ 2-step tension device CODE QTY NAME OF PARTS REF.NO. 2 2-1-1 2-1-1-1 2-1-1-2 2-1-1-3 2-1-1-4 2-1-1-5 2-1-1-6 2-1-1-7 2-1-1-8 2-1-1-9 2-1-1-10.
138 BAS-311E.311EL.326E.326EL Chapter 10. Option parts ■ Auxiliary device 1 1 -2 1 -1-13 1 -1-12 1 -1-11 1 -1-1 1 -1-2 1 -1-3 1 -1-5 1 -1-7 1 -1-6 1 -1-4 1 -1-9 1 -1-10 1 -1-8 2 -1-3 2 -1-2 2 -1-1 2.
139 BAS-311E.311EL.326E.326EL Chapter 10. Option parts CODE QTY NAME OF PARTS REF.NO. 1 1-1 1-1-1 1-1-2 1-1-3 1-1-4 1-1-5 1-1-6 1-1-7 1-1-8 1-1-9 1-1-10 1-1-11 1-1-12 1-1-13 1-2 2 2-1 2-1-1 2-1-2 2-1-.
140 BAS-311E.311EL.326E.326EL Control Block Diagram Synchronizer Head EM switch Presser toot Solenoid Presser plate Solenoid Thread trimer Solenoid Wiper Solenoid Senoid type CONTROL PCB Control box Pnevmatic type Air valve Right presser plate Left presser plate X-axis home positon sensor Y-axis home positon sensor BK .
141 BAS-311E.311EL.326E.326EL Operation panel box Control PCB Panel PCB Programmer unit PROGRAMMER Inverter Power supply plug Power switch Filter Convertion trans- former fan fan Power supply PCB Foot switch Uper shaft motor Contol box V .............
SERVICE MANUAL BROTHER INDUSTRIES,LTD. NAGOYA,JAPAN Printed in Japan 151-V11, V12, V26 I9080764 1999. 08. B (1).
An important point after buying a device Brother BAS-311E (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Brother BAS-311E yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Brother BAS-311E - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Brother BAS-311E you will learn all the available features of the product, as well as information on its operation. The information that you get Brother BAS-311E will certainly help you make a decision on the purchase.
If you already are a holder of Brother BAS-311E, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Brother BAS-311E.
However, one of the most important roles played by the user manual is to help in solving problems with Brother BAS-311E. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Brother BAS-311E along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
