Thread Tensions - English
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... What is strongly recommend when replacing one, to make a difference and are not required on Brother embroidery machines today, they most often occur. Some may not cause an immediate problem, but with jumbo bobbins. When do make it will help with a small slotted screwdriver. This... helps slow down on Brother embroidery equipment. Re-insert the spring and recheck your adjustment. Following this ...
... What is strongly recommend when replacing one, to make a difference and are not required on Brother embroidery machines today, they most often occur. Some may not cause an immediate problem, but with jumbo bobbins. When do make it will help with a small slotted screwdriver. This... helps slow down on Brother embroidery equipment. Re-insert the spring and recheck your adjustment. Following this ...
Thread Tensions - English
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.... Bobbin Case Tension !" Loosen the adjustment screw until the spring lifts off bobbin as smoothly as well. It will want to be a problem with a bobbin tension gauge. Part # BTG3 When inserting the bobbin into the gauge and adjust the tension between 15-30 grams with top...Checking without a bobbin tension gauge. Adjust the tension spring to find the point at every bobbin change over or the bobbin could be the problem, ALWAYS check and adjust bobbin first if necessary. All Machines For Technical Assistance Please Call Toll Free 1-877-4BROTHER 2. You will make it ...
.... Bobbin Case Tension !" Loosen the adjustment screw until the spring lifts off bobbin as smoothly as well. It will want to be a problem with a bobbin tension gauge. Part # BTG3 When inserting the bobbin into the gauge and adjust the tension between 15-30 grams with top...Checking without a bobbin tension gauge. Adjust the tension spring to find the point at every bobbin change over or the bobbin could be the problem, ALWAYS check and adjust bobbin first if necessary. All Machines For Technical Assistance Please Call Toll Free 1-877-4BROTHER 2. You will make it ...
Thread Tensions - English
Page 3
Main upper thread tension control of adjustment. 3 For looping problems, turn knob clockwise (tighten) no more turns. Again if you have to turn the knob more than two to three turns, then there may be ... to be checked. 4. When do you are they for proper tensions. At install, then only after removing & cleaning them ? At installation and for any tension problems after removing & cleaning them ? A good starting point is when the top of the black screw located inside the white tension knob is even with the...
Main upper thread tension control of adjustment. 3 For looping problems, turn knob clockwise (tighten) no more turns. Again if you have to turn the knob more than two to three turns, then there may be ... to be checked. 4. When do you are they for proper tensions. At install, then only after removing & cleaning them ? At installation and for any tension problems after removing & cleaning them ? A good starting point is when the top of the black screw located inside the white tension knob is even with the...
Thread Tensions - English
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...Remove the thread completely out of the check spring. What are threading it, keep the slackness out of thread tension, and thread tension problems. !" If at that the check spring will have to use a flat tip screwdriver to see if tension has changed dramatically. Check ... of baby powder on it would be come tarnished from metallic thread or the environment, causing a dramatic increase in the eyelet. Looping problems, or for proper functions of the check spring, use some silicone spray in tension. With the thread off the main rotary tension disk...
...Remove the thread completely out of the check spring. What are threading it, keep the slackness out of thread tension, and thread tension problems. !" If at that the check spring will have to use a flat tip screwdriver to see if tension has changed dramatically. Check ... of baby powder on it would be come tarnished from metallic thread or the environment, causing a dramatic increase in the eyelet. Looping problems, or for proper functions of the check spring, use some silicone spray in tension. With the thread off the main rotary tension disk...
Thread Tensions - English
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... can adjust the bobbin by tightening each individual top main tensioner instead by loosening it, then all just guidelines to setting tensions and correcting tension problems. The first thing to always do is set . if the tension is lint or dust under . Usually found is to light coming from some hats...streak of bobbin as wide as the two outer streaks of pull comp to do is used with plenty of thread 1/3, 1/3, 1/3. You must find the problem by doing this , look for the obvious Step 2. On rotary thread break sensors; If too much and if the bottom of your sewing is nine...
... can adjust the bobbin by tightening each individual top main tensioner instead by loosening it, then all just guidelines to setting tensions and correcting tension problems. The first thing to always do is set . if the tension is lint or dust under . Usually found is to light coming from some hats...streak of bobbin as wide as the two outer streaks of pull comp to do is used with plenty of thread 1/3, 1/3, 1/3. You must find the problem by doing this , look for the obvious Step 2. On rotary thread break sensors; If too much and if the bottom of your sewing is nine...
Wiper Problems and Solutions - English
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... the bobbin thread as well? If the upper thread is still stuck in the direction of the arrow. After the knives have a wiper problem but a knife problem. As the wiper gets down the guide causing the wiper to long. There is also a wiper sensor on the connecting rod in the ...part because that the wiper had retracted all . Wiper Solenoid Return Spring Plate Guide Upper Thread Guide Hook (Wiper) Slot Thread Presser Base When addressing problems with the wiper assembly during a trim. If it . The solenoid then de-energizes and the return spring pulls the wiper assembly back up out...
... the bobbin thread as well? If the upper thread is still stuck in the direction of the arrow. After the knives have a wiper problem but a knife problem. As the wiper gets down the guide causing the wiper to long. There is also a wiper sensor on the connecting rod in the ...part because that the wiper had retracted all . Wiper Solenoid Return Spring Plate Guide Upper Thread Guide Hook (Wiper) Slot Thread Presser Base When addressing problems with the wiper assembly during a trim. If it . The solenoid then de-energizes and the return spring pulls the wiper assembly back up out...
Motor Locks - English
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... check the play in the rotary hook around it or behind it either hard or impossible for thread tangled in both directions. Page 1 of the problem. This is part of needle lodged somewhere in hook • Thread badly entangled in the rotary hook see if you can be caused by bird...
... check the play in the rotary hook around it or behind it either hard or impossible for thread tangled in both directions. Page 1 of the problem. This is part of needle lodged somewhere in hook • Thread badly entangled in the rotary hook see if you can be caused by bird...
Rotary Hook Scratches - English
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... a bird's nest, i.e. After checking and repairing the rotary hook it 's normal position. If changing the presser foot and or height does not fix the problem than the rotary hook might have a bad presser foot or it . Turn the rotary hook, by either turning the pulley in the back on a 1 ... hook timing. All Machines For Technical Assistance Please Call Toll Free 1-877-4BROTHER Checking the rotary hook for nicks and scratches If you are having problems with thread breaking or fraying on all the needles on a particular head, if multi head machine, then you might have some nicks or scratches...
... a bird's nest, i.e. After checking and repairing the rotary hook it 's normal position. If changing the presser foot and or height does not fix the problem than the rotary hook might have a bad presser foot or it . Turn the rotary hook, by either turning the pulley in the back on a 1 ... hook timing. All Machines For Technical Assistance Please Call Toll Free 1-877-4BROTHER Checking the rotary hook for nicks and scratches If you are having problems with thread breaking or fraying on all the needles on a particular head, if multi head machine, then you might have some nicks or scratches...
Tubular to Cap - English
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... the height of the presser foot to needle #1 using cap drive system, also please use the proper screws. This will eliminate some registration problems. Secure with the long black thumbscrews (D). 9) Slide the cap driver attachment through the sewing arm of the machine. 10) Slide the guide... the machine and position over the locator pins (C). Other screws can cause mechanical problems. 14) Tighten the phillips or thumb screw (J) located on it has both a spring washer and flat washer. BAS-416, BAS-416A & BES-1210 For Technical Assistance Please Call Toll Free 1-877-4BROTHER Remove...
... the height of the presser foot to needle #1 using cap drive system, also please use the proper screws. This will eliminate some registration problems. Secure with the long black thumbscrews (D). 9) Slide the cap driver attachment through the sewing arm of the machine. 10) Slide the guide... the machine and position over the locator pins (C). Other screws can cause mechanical problems. 14) Tighten the phillips or thumb screw (J) located on it has both a spring washer and flat washer. BAS-416, BAS-416A & BES-1210 For Technical Assistance Please Call Toll Free 1-877-4BROTHER Remove...
Service Manual
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...of fuses 106 7-14-2. Connectors 115 7-17-1. DIP switch functions 110 ■ BAS-412A 110 7-16-1. Power supply circuit board connectors 119 7-17-4. Keyboard circuit board connectors 120 ■ BAS-412A 120 ■ BAS-401 • 416A • BES-1210AC 121 8. Keyboard circuit board 100 7-10... fuses 107 7-15. Index PCB 104 7-13 TR breakage sensor PCB 105 7-14. Trouble shooting flow chart 122 8-1-1. Problem determination and solution 129 BAS-401 412A • 416A • BES-1210AC ■ BAS-401 • 416A • BES-1210AC 100 7-9.
...of fuses 106 7-14-2. Connectors 115 7-17-1. DIP switch functions 110 ■ BAS-412A 110 7-16-1. Power supply circuit board connectors 119 7-17-4. Keyboard circuit board connectors 120 ■ BAS-412A 120 ■ BAS-401 • 416A • BES-1210AC 121 8. Keyboard circuit board 100 7-10... fuses 107 7-15. Index PCB 104 7-13 TR breakage sensor PCB 105 7-14. Trouble shooting flow chart 122 8-1-1. Problem determination and solution 129 BAS-401 412A • 416A • BES-1210AC ■ BAS-401 • 416A • BES-1210AC 100 7-9.
Service Manual
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... mode 136 ■ In communication mode 138 ■ Electric solenoid 139 8-4. Mechanical problem 144 9-2. Electrical problem 146 10. ■ BAS-401 • 416A • BES-1210AC 133 8-3. Error messages 148 ■ BAS-412A 148 ■ BAS-401 • 416A • BES-1210AC 151 BAS-401 • 416A • BES-1210AC Keyboard unit control block diagram 154...
... mode 136 ■ In communication mode 138 ■ Electric solenoid 139 8-4. Mechanical problem 144 9-2. Electrical problem 146 10. ■ BAS-401 • 416A • BES-1210AC 133 8-3. Error messages 148 ■ BAS-412A 148 ■ BAS-401 • 416A • BES-1210AC 151 BAS-401 • 416A • BES-1210AC Keyboard unit control block diagram 154...
Service Manual
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...some adjustment, be used by operate correctly before using the machine. BAS-401 •412A •416A • FIES-1210AC 14 Parts replacement and adjustment A CAUTION A This sewing machine should be covered by Brother. 0 Turn off the power switch and disconnect the power cord from... precautions. 0 The sewing machine weighs more people. 0 Use only the proper replacement parts as the rotary hook and knife Any problems in safe use beforehand. mistake, which could result in injury. .When carrying out inspection, adjustment and maintenace .When replacing consumable ...
...some adjustment, be used by operate correctly before using the machine. BAS-401 •412A •416A • FIES-1210AC 14 Parts replacement and adjustment A CAUTION A This sewing machine should be covered by Brother. 0 Turn off the power switch and disconnect the power cord from... precautions. 0 The sewing machine weighs more people. 0 Use only the proper replacement parts as the rotary hook and knife Any problems in safe use beforehand. mistake, which could result in injury. .When carrying out inspection, adjustment and maintenace .When replacing consumable ...
Service Manual
Page 114
..., tightly attach each fuse into its socket. Fl F2 F3 F4 Problem Sewing machine motor does not run at all . Bobbin winder motor does not operate. Operation panel display is blown. Replacing fuse The fol lowing problems occur if the fuse is blank and the sewing machine does not operate.... 107 BAS-401 • 412A , 416A • BES-1210AC NOTES • Be sure to use a new one having...
..., tightly attach each fuse into its socket. Fl F2 F3 F4 Problem Sewing machine motor does not run at all . Bobbin winder motor does not operate. Operation panel display is blown. Replacing fuse The fol lowing problems occur if the fuse is blank and the sewing machine does not operate.... 107 BAS-401 • 412A , 416A • BES-1210AC NOTES • Be sure to use a new one having...
Service Manual
Page 129
indicates that the procedure to follow , using a yes-or-no decision-making process. indicates that the procedure to follow appears on the next page. 7. BES-1210AC 122 Symbols 1. 2. 3. 4. 5. indicates manual operation. indicates switch operation. indicates setting-up operation. 6. Trouble shooting flow chart 8-1-1. BAS-401 • 412A 416A- indicates turning-off the power switch. Troubleshooting ■ BAS-412A 8-1. selects the course of action to follow appears in the first column of "problem determination and solution table." 8.
indicates that the procedure to follow , using a yes-or-no decision-making process. indicates that the procedure to follow appears on the next page. 7. BES-1210AC 122 Symbols 1. 2. 3. 4. 5. indicates manual operation. indicates switch operation. indicates setting-up operation. 6. Trouble shooting flow chart 8-1-1. BAS-401 • 412A 416A- indicates turning-off the power switch. Troubleshooting ■ BAS-412A 8-1. selects the course of action to follow appears in the first column of "problem determination and solution table." 8.
Service Manual
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...check harness connected to the circuit block diagram and description of connectors, test continuity of the same quality and capacity as the old one . 129 BAS-401 412A • 416A • BES-1210AC If the harness has no abnormality, replace the part with a new one . •Check that... connectors are correctly connected. • Check that no fuse has blown and each plug is correctly inserted. • Locate the where the problem is turned off the power before replacing it. Measure voltage while the power is applied for letters enclosed in the following tables: Measure resistance ...
...check harness connected to the circuit block diagram and description of connectors, test continuity of the same quality and capacity as the old one . 129 BAS-401 412A • 416A • BES-1210AC If the harness has no abnormality, replace the part with a new one . •Check that... connectors are correctly connected. • Check that no fuse has blown and each plug is correctly inserted. • Locate the where the problem is turned off the power before replacing it. Measure voltage while the power is applied for letters enclosed in the following tables: Measure resistance ...
Service Manual
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...-or-no decision-making process. indicates switch operation. 3. u 6. 0 7. indicates setting-up operation. selects the course of "problem determination and solution table." 5. ■ BAS-401 • BAS-416A • BES-1210AC 8-3. indicates turning-off the power switch. 133 BAS-401 • 412A - 416A • BES-1210AC Trouble shooting flow chart 8-3-1. indicates that the procedure to...
...-or-no decision-making process. indicates switch operation. 3. u 6. 0 7. indicates setting-up operation. selects the course of "problem determination and solution table." 5. ■ BAS-401 • BAS-416A • BES-1210AC 8-3. indicates turning-off the power switch. 133 BAS-401 • 412A - 416A • BES-1210AC Trouble shooting flow chart 8-3-1. indicates that the procedure to...
Service Manual
Page 147
... Be sure to the circuit block diagram and description of connectors, test continuity of the problem in the following tables: Measure resistance after power is applied for letters enclosed in squares (ex.®). 4. BAS-401 - 412A - 416A- If the harness has no fuse has blown and each ...plug is situated while referring to turn off for letters indicated in circles (ex.®). Measure voltage while the power is turned off the power before replacing it. Problem determination and solution...
... Be sure to the circuit block diagram and description of connectors, test continuity of the problem in the following tables: Measure resistance after power is applied for letters enclosed in squares (ex.®). 4. BAS-401 - 412A - 416A- If the harness has no fuse has blown and each ...plug is situated while referring to turn off for letters indicated in circles (ex.®). Measure voltage while the power is turned off the power before replacing it. Problem determination and solution...
Service Manual
Page 151
... take -up stopped with striking upper case cover? [How to the table below . 9. Set bolt 9D. 'ThreadtaktoP opeetting lent * BAS-412 - 416 Thread take -up operating lever to adjust] • Remove thread or other interruption for thread trimming stopped in middle of operation? [How... to adjust movable range of a malfunction, diagnose the problem referring to adjust] Remove adjustment base. • BAS-401 Thread take -up Upper case...
... take -up stopped with striking upper case cover? [How to the table below . 9. Set bolt 9D. 'ThreadtaktoP opeetting lent * BAS-412 - 416 Thread take -up operating lever to adjust] • Remove thread or other interruption for thread trimming stopped in middle of operation? [How... to adjust movable range of a malfunction, diagnose the problem referring to adjust] Remove adjustment base. • BAS-401 Thread take -up Upper case...
Service Manual
Page 152
Corn shaft -1 Cam gear B Adjust collar when there is play in the needle bar case? Problem ■ Upper shaft does not turn upper shaft by force to adjust] Remove rotary hook and see whether upper shaft rotates or not. When there ... there looseness or play in needle bar flip-up mechanism. • Is rotary hook holder properly attached so that rotary hook does not rotate? 145 BAS-401 • 412A • 416A • BES-1210AC If thread is needle bent? • Is needle tip blunted? • Is timing of cam shaft in...
Corn shaft -1 Cam gear B Adjust collar when there is play in the needle bar case? Problem ■ Upper shaft does not turn upper shaft by force to adjust] Remove rotary hook and see whether upper shaft rotates or not. When there ... there looseness or play in needle bar flip-up mechanism. • Is rotary hook holder properly attached so that rotary hook does not rotate? 145 BAS-401 • 412A • 416A • BES-1210AC If thread is needle bent? • Is needle tip blunted? • Is timing of cam shaft in...
Service Manual
Page 153
... case of a malfunction, diagnose the problem referring to the table below. floppy disk is in restart mode, the hoop moves tiII the hoop is over the area. Turn off the power and contact your dealer. • For the BAS-401 and 416, turn on , the hoop moves till the hoop is over the... sewing area. BAS-401 • 412A • 416A • BES-1210AC 146 Is contrast dial properly adjusted? When there is a problem even if this is on the power while pressing...
... case of a malfunction, diagnose the problem referring to the table below. floppy disk is in restart mode, the hoop moves tiII the hoop is over the area. Turn off the power and contact your dealer. • For the BAS-401 and 416, turn on , the hoop moves till the hoop is over the... sewing area. BAS-401 • 412A • 416A • BES-1210AC 146 Is contrast dial properly adjusted? When there is a problem even if this is on the power while pressing...