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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
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Thank you very much for buying a BROTHER sewing machine. Before using your new machine, please read the safety instructions below and the explanations given in the instruction manual. With industrial sewing machines, it is normal to carry out work while positioned directly in front of moving parts such as the needle and thread take-up lever, and consequently there is always a danger of injury that can be caused by there parts. Follow the instructions from training personnel and instructors regar
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x Notes on safety DANGER 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 voltages are present can result in severe injury. CAUTION Environmental requirements Use the sewing machine in an area which The ambient temperature should be within is free from sources of strong electrical the range of 5°C to 35°C during use. noise such as high-frequency welders. Tem
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CAUTION Installation Machine installation should only be carried Be sure to wear protective goggles and out by a qualified technician. gloves when handling the lubricating oil and grease, so that they do not get into your eyes Contact your Brother dealer or a qualified or onto your skin, otherwise inflammation can electrician for any electrical work that may result. need to be done. Furthermore, do not drink the oil or eat the grease under any circumstances, as they can The sewing machine weight
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CAUTION Cleaning Turn off the power switch before starting any Be sure to wear protective goggles and cleaning work, otherwise the machine may gloves when handling the lubricating oil and operate if the start switch is pressed by mis- grease, so that they do not get into your eyes take, which could result in injury. 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. Keep the o
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c Warning labels 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. Direction of operation 1 3 Moving parts may cause injury. Operate with safety devices. Turn off main switch before changing needle, cleaning etc. Safety devices: Thread take-up cover, Guard bar, Belt cover, etc. 2 Hazardous voltage Hoch
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CONTENTS 1. Names of Machine Components .............................................................................................................. 1 2. Specifications ............................................................................................................................................. 2 3. Installation .................................................................................................................................................. 3 3-1. Installation of
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1. Names of Machine Components 1. Names of Machine Components i y o u !0 !9 @0 !1 t @1 r !2 !4 e !3 !5 w !7 !6 !8 q q Foot-switch w Stacker e Guard bar r Feed roller t Machine head y Spool stand u Top cover i Control box o Switch box !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 1
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2. Specifications 2. Specifications Applicable machine type Lock stitch and special cross stitch sewing machine with automatic thread trimmer Use Sewing pockets on the various types of jeans Cycle time 9 seconds approx. (depending on the pitch and rpm) Sewing speed 500 – 4250rpm (9-step button selectable; limited by sewing condition) Bar tacking speed 500 – 3500rpm (7-step button selectable; cannot exceed sewing speed) 250 (X) mm 250 (Y) mm Standard (when not using retractable work clamp) Sew
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3. Installation 3. Installation CAUTION Be sure to wear protective goggles and Machine installation should only be carried gloves when handling the lubricating oil and out by a qualified technician. grease, so that they do not get into your eyes or onto your skin, otherwise inflammation can Contact your Brother dealer or a qualified result. Furthermore, do not drink the oil or eat electrician for any electrical work that may the grease under any circumstances, as they need to be done. can caus
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3. Installation 3-2.Removal of the fixing bolts from the machine The machine head and the sewing clamp arm are fixed with bolts to secure them during transportation. q Remove fixing bolt q on the machine head through the hole in the front cover. Note: ¡ 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 4
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3. Installation 3-4. Connection of the foot-switch connector Connect connector q securely. q 3-5. Connection of the air hose 1. Attach air hose q to air unit valve w. 2. Move the upper cap of air unit valve w upward and ad- just the air pressure to 0.49 MPa. 3. After adjustment, move the cap downward and lock. w q 3-6. Positioning of the front supporter 1. Loosen bolts q and position front supporter w in the most appropriate position. 2. Tighten bolts q to secure the supporter w. w q BAS-761 5
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3. Installation 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 w arrow to a position where they are comfortable to oper- ate. q e BAS-761 6
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3. Installation 3-8. Installation of the folding group assembly Before installation ¡ Apply air pressure. ¡ Turn on power switch q to return the machine to the home position. ¡ Turn valve switch w to OFF (lower) side and "E-820" will flash on the display. o e i y u !4 !3 !2 !1 t w r !0 @1 q 1. Install folding clamp assembly e onto folding base r. 2. Attach multi-connector t. 3. While pushing the folding clamp assembly e downwards with your hand, install the inner clamp assembly y to the folding
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4. Lubrication 4. Lubrication Note: Check for sufficient oil through oil gauge windows A and B on the machine head and the table. If the oil amount is not sufficient, be sure to replenish it. How to oil the machine head Replenish the oil through oil port q. How to oil the machine table 1 Move the machine head forward so that the lubrication hole e in the needle plate bracket RR w and the lubri- cation port r in the machine bed are aligned. 2 Apply oil to the lubrication port r in the machine be
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5. Correct operation 5. Correct operation 5-1. Installing the needle Fully insert needle q, with its long groove to the left, and secure it with screw w. Note: If the angle is incorrect, the needle an rotary hook will lock when the needle bar is at its lowest posi- tion, so make sure that the needle and rotary hook do not lock. w q 5-2. Upper threading 1. Apply air pressure and turn on power switch. 2. Press the FOLDER RESET button !9 to move the machine head back to the home position. 3. Press
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5. Correct operation 5-3. Bobbin case threading Removal of the bobbin case 1. Press BOBBIN CHANGE button !4 and the machine will move toward you and stop; @0 !4 2. Take out bobbin case q. Replace the bobbin. @1 3. If the RESTART buttones @0 are pressed after the RE- SET button @1 has been pressed, the machine head will move back to the home position. q Removal of the bobbin Bobbin w can be removed when the latch is released. x2.4 rotary hook x1.7 rotary hook Latch Latch w w Bobbin case
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5. Correct operation 5-4. Bobbin thread winding e w q 1. Pass the bobbin thread from the spool stand as illustrated below. 2. Wind the thread around the bobbin q as arrwed. 3. Press lever w against the bobbin q. 4. After completing bobbin q thread winding, cut the thread. Note: Check for any idle rotation of the bobbin q. The motor may overheat, if the bobbin q idles for a long time or if it rotates without a bobbin. At this time, protector e will go up and the bobbin thread winding motor will n
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5. Correct operation 5-5. Thread tension x2.4 rotary hook Stitches when upper qr thread tension is too low e Stitches when upper thread tension is too high Correct stitches x2.4 rotary hook x1.7 rotary hook x1.7 rotary hook w w e Low Low High High 1. When the thread take-up lever is in the highest position after thread trimming, adjust the upper thread beyond the needle eye so as it is 30 to 40 mm long, by turning tension nut q. (30 - 70 g is standard). 2. Adjust the lower thread tension
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6. Button functions 6. Button functions 6-1. Operation box panel buttones q w y e r t q LCD screen Displays sewing information and error messages. w FOLDING MODE button This button is used to change the operating mode of the folder. Folder operating modes include automatic mode, pattern matching mode, label attachment mode and step mode. e LABEL button (LABEL indicator) When the folder is in label attachment mode (for alternate label attachment) or in step mode, this button is used to set whethe
