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Summary of Contents for Brother BAS-761
- Page 1 INSTRUCTION MANUAL BAS-761 Please read this manual before using the machine. Please keep this manual within easy reach for quick reference. AUTOMATIC POCKET SETTER <JEANS>...
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Page 2: Safety Instructions
....This symbol ( ) indicates something that you must do. The picture inside the circle indicates the nature of the thing that must be done. (For example, the symbol at left means "you must make the ground connection".) BAS-761... -
Page 3: Notes On Safety
The pneumatic delivery capability should be from the wall outlet. greater than the requirements for the sew- Lightning may cause problems with correct ing machine’s total air consumption. operation. Insufficient pneumatic delivery capability may cause problems with correct operation. BAS-761... - Page 4 Then If the machine is used without these devices contact your nearese Brother dealer or a attached, injury may result. qualified technician. If the machine develops a problem, contact your nearest Brother dealer or a qualified technician. BAS-761...
- Page 5 Disconnect the air hoses from the air sup- ply and wait for the needle on the pressure gauge to drop to "0" before carrying out in- spection, adjustment and repair of any parts which use the pneumatic equipment. BAS-761...
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Page 6: Warning Labels
Apagar el interruptor minutes before warten sie 5 minuten, avantd’ ouvrir le capot principal y esperar 5 opening this cover. bevor sie diese minutos antes de abrir abdeckung ffnen. esta cubierta. Thread take-up cover Belt cover Guard bar Guard bar BAS-761... -
Page 7: Table Of Contents
10-3. Presser foot height adjustment ......................10-4. Removal of the fixed knife and the movable knife ................. 10-5. Stacker position adjustment ......................10-6. Sewing clamp assembly number selection ..................11. Using the DIP switches ..........................12. Table of error code ............................. BAS-761... -
Page 8: Names Of Machine Components
!0 Folding group assembly !1 Mechanical valve !2 RESTART buttons !3 Front supporter !4 Floppy drive !5 Programmer !6 Air unit valve !7 Power switch !8 Blower Motor !9 2-Step thread tension device @0 Thread breakage detector @1 Pocket support BAS-761... -
Page 9: Specifications
Included (Stacking capacity 60 pieces) Programmer Included Power source 3-phase 200V, 220V, 380V, 400V, 415V ( 900W) Air pressure 0.44 – 0.54MPa Machine dimensions (W) 2.108mm, (L) 1.919mm, (H) 970mm Weight 400kg Upper-thread breakage Included detector Label attachment device Included (option) BAS-761... -
Page 10: Installation
Note: There are eight adjusting points. To move the machine, turn up adjusters q, and the table can be moved on its machine body casters e. BAS-761... -
Page 11: Removal Of The Fixing Bolts From The Machine
¡ Save removed fixing bolts q future use. ¡ Before transporting the machine be sure to secure it with the fixing bolts. 3-3. Installation of the spool stand Install the spool stand as shown in the illustration at left. BAS-761... -
Page 12: Connection Of The Foot-Switch Connector
0.49 MPa. After adjustment, move the cap downward and lock. 3-6. Positioning of the front supporter Loosen bolts q and position front supporter w in the most appropriate position. Tighten bolts q to secure the supporter w. BAS-761... -
Page 13: Installation Positions For Operation Box And Switch Box
3-7. Installation positions for operation box and switch box Loosen the mounting bolts e for the operation box q and switch box w, and move them in the direction of the arrow to a position where they are comfortable to oper- ate. BAS-761... -
Page 14: Installation Of The Folding Group Assembly
The "E-820" indication will disappear from the display panel and the panel will return to its previous condition. 8. Move folding clamp assembly e, inner clamp assembly y, center blade assembly !0 and sewing clamp assembly ! 1 back and forth, and right and left, to ensure they are secured. BAS-761... -
Page 15: Lubrication
Before initial operation of the machine or after a long interval, be sure to drip a few drops of oil onto the arrowed lubrication point C. How to drain oil from the machine body Remove poly-oiler t and drain the oil. Rotary hook lubrication control Turn the rotary hook lubrication adjustment valve y to adjust the lubrication amount. BAS-761... -
Page 16: Correct Operation
After threading, turn the pulley and lift the needle-bar to the uppermost position. N/thread cooler assy x2.4 rotary hook x2.4 rotary hook Leave about 50 mm of thread end with the thread take-up at its highest position. x1.7 rotary hook x1.7 rotary hook 50mm BAS-761... -
Page 17: Bobbin Case Threading
Latch Latch Bobbin case threading Insert the bobbin into the bobbin case. x2.4 rotary hook Pass the thread through slot e and under adjustment spring r. Pull the thread out from adjustment spring r. x1.7 rotary hook BAS-761... -
Page 18: Bobbin Thread Winding
At this time, protector e will go up and the bobbin thread winding motor will not start. If protector e is pressed after about 20 seconds has elapsed, bobbin theread winding can be restarted. BAS-761... -
Page 19: Thread Tension
To adjust the thread take-up spring height, loosen set-screw w and turn the whole unit of the tension regulator assembly. To adjust the thread take-up spring force, insert a screwdriver tip into the groove of tension stud e and turn it as much as is appropriate. BAS-761... -
Page 20: Button Functions
If this button is pressed while the foot switch @ 3 is being depressed, the folder will move in reverse. y FLOPPY button This button is used to store and retrieve sewing programs using a floppy disk. BAS-761... - Page 21 This button is used to increase the seed of step back or test operation. The feed mechanism moves faster while this button is being pressed. In addition, this button can also be used to set the piece counter to 0 (cleared). BAS-761...
- Page 22 If this button is pressed during screen selection, folder mode setting, while data is being saved to or read from a floppy disk, while the sewing speed is being set or if the COUNTER button is being used to change a setting, the setting value or mode can be changed. BAS-761...
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Page 23: Switch Box Panel Buttones
In addition, if an error has occurred, this button is used to clear the error status after the cause of the error has been eliminated. @2 EMERGENCY STOP button This button is used to stop all operations. BAS-761... -
Page 24: Foot Switch
When the folder is in step mode, this switch operates in the same way as in label attachment mode or automatic mode, depending on whether label attachment operations are being carried out or not. 6-4. RESTART buttones RESTART buttones @4 When these buttones are pressed simultaneously, the folder starts operating. BAS-761... -
Page 25: Setting Before Sewing
The sewing speed can be set in 9 steps from 500 to 4,250 rpm. * If the CANCEL button ! 5 is pressed, the sewing speed will not be changed and the screen will return to the original display. BAS-761... - Page 26 ¡ The maximum number of stitches is limited by the sewing pitch in the sewing data as shown in the table below. Pitch Max. sewing speed – 3.5mm 4250rpm 3.55 – 4.5mm 3500rpm 4.55 – 5.0mm 3000rpm 5.05 – 6.0mm 2500rpm BAS-761...
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Page 27: Setting The Lower Thread Counter
If the BOBBIN CHANGE button is pressed manually, and the above operation is carried out, the lower thread counter will not return to the setting value. In addition, if the value is set to "0", the lower thread counter will not operate. BAS-761... -
Page 28: Setting The Piece Counter
The setting can be made in 9 steps from 0 mm to 400 mm, with each step being 50 mm. Press the ENTER button ! 6 . The stacker roller feed amount will be changed to the new setting, and the screen will return to the initial display. BAS-761... -
Page 29: Setting The Date And Time
Press the ENTER button ! 6 . The time will be changed to the new setting, and the screen will return to the initial display. The seconds will be reset to "0" at the point where the ENTER button !6 is pressed. BAS-761... -
Page 30: Preparation For Sewing
1997/11/5 19:36:50 FOLDING MODE PIECE COUNTER BOBBIN COUNTER Screen 8-2 1997/11/5 19:36:50 PROGRAM NUMBER PIECE COUNTER BOBBIN COUNTER Screen 8-3 1997/11/5 19:36:50 SEWING SPEED PIECE COUNTER BOBBIN COUNTER Screen 8-4 1997/11/5 19:36:50 SEWING CLAMP NUMBER STACK FEED LENGTH Screen 8-5 BAS-761... - Page 31 10. Follow the steps given on page 18 to set the sewing speed if required. 11. If the STACKER indicator r is switched off, press the STACKER button r so that the indicator illuminates. NOTE: If the indicator is switched off, the workpieces will not be stacked after they have been sewn. BAS-761...
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Page 32: Sewing
@ 3 is depressed. If DIP switch A-1 has been set to ON, operation stops momentarily after folding has been completed so that the folding can be checked. When the RESTART buttones @ 4 are pressed again simultaneously, operation continues as before. BAS-761... -
Page 33: Sewing With The Folder In Pattern Matching Mode
@ 3 is depressed. If DIP switch A-1 has been set to ON, operation stops momentarily after folding has been completed so that the folding can be checked. When the RESTART buttones @ 4 are pressed again simultaneously, operation continues as before. BAS-761... -
Page 34: Sewing With The Folder In Label Attachment Mode
@ 3 is depressed. If DIP switch A-1 has been set to ON, operation stops momentarily after folding has been completed so that the folding can be checked. When the RESTART buttones @ 4 are pressed again simultaneously, operation continues as before. BAS-761... -
Page 35: Sewing With The Folder In Step Mode
@3 while pressing the STEP button t. If DIP switch D-1 has been set to ON, the gauge assembly w will retract. The gauge assembly w moves forward at the same time the vacuum system starts operating when the foot switch @ 3 is depressed. BAS-761... -
Page 36: Test Feeding
¡ If the RESTART buttones @0 are pressed without pressing the TEST button !2 , sewing will start from the current stopping position. Once feeding is complete, the machine head and the work clamp will then return to the standby positions. BAS-761... -
Page 37: Emergency Stop
1. Thread the upper thread and move the thread take-up lever to its highest position. 2. Press the STEP BACK button ! 0 to return to the place from where you would like sewing to resume. 3. Press the RESTART buttones @ 0 to start sewing again. BAS-761... -
Page 38: Adjustments
2. Loosen the screw t and then remove the needle y. 3. Remove screw u and then presser foot assembly i. 4. Remove screws o and then bottom-plunger !0 . 5. Remove oil cap !1 and screw !2 , adjust the height by moving needle-bar q up and down. BAS-761... -
Page 39: Needle And Rotary Hook Timing
The standard spring tension for the sewing clamp spring is obtained when the height of the presser foot adjustment screw is 37 mm. Check that the point of the needle does not protrude below the presser foot when the needle is at its highest position. BAS-761... -
Page 40: Removal Of The Fixed Knife And The Movable Knife
Remove screw t and then needle y. Push thread trimming rod t in the arrowed direction and stop where flat-head screws y can be seen. Remove flat-head screws y and then movable knife u. Note: To reassemble, reverse the above procedures. BAS-761... -
Page 41: Stacker Position Adjustment
Loosen the bolt r and adjust the height of the inner work clamp bart. Loosen the bolt y and adjust the height of the outer work clamp baru. BAS-761... -
Page 42: Sewing Clamp Assembly Number Selection
¡ ¡ ¡ ¡ ¡ ¡ ¡ ¡ ¡ ¡ ¡ ¡ ¡ ¡ ¡ ¡ ¡ ¡ ¡ ¡ ¡ ¡ ¡ ¡ ¡ ¡ ¡ ¡ ¡ ¡ ¡ ¡ ¡ ¡ ¡ ¡ ¡ ¡ ¡ ¡ BAS-761... -
Page 43: Using The Dip Switches
Needle racking cylinder sensor is ignored Double cylinder sensor is ignored 24 V/36 V power supply voltage check is ignored Single and double clamp data check is ignored Not available (Should be set to OFF) Not available (Should be set to OFF) BAS-761... - Page 44 Not available (Should be set to OFF) Not available (Should be set to OFF) Not available (Should be set to OFF) Not available (Should be set to OFF) Not available (Should be set to OFF) Not available (Should be set to OFF) BAS-761...
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Page 45: Table Of Error Code
E – 730 Floppy disk is write-protected E – 740 Insufficient free space on floppy disk E – 750 Floppy disk cannot be formatted. E – 780 Sewing data exceeds sewing area E – 781 No end code in sewing data BAS-761... - Page 46 Clamp-in sensor malfunction E – 970 Clamp malfunction * If the primary-side voltage is lower than the rated level at low temperatures, the error message “E-890” may appear at the sewing start. If this happens, set DIP switch A-7 to ON. BAS-761...
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Page 47: Instruction Manual
INSTRUCTION MANUAL BROTHER INDUSTRIES, LTD. 15-1, Naeshiro-cho, Mizuho-ku, Nagoya 467-8561, Japan. Phone: 81-52-824-2177 Printed in Japan 151-761 S93761-102 2000.09. B (1)