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12. TROUBLESHOOTING

BAS-300G-484, BAS-300G-484 SF

(Continued on next page)

Problem Cause

Remedy

Reference

Thread is thick for the needle.

Select a thread that matches the
needle.

P. 24

Needle is incorrectly installed.

Install the needle correctly.

P. 20

Thread is threaded incorrectly.

Thread the thread correctly.

P. 20

Damage or burring in parts such as the
rotary hook, hook stopper, needle hole
plate, needle or thread path.

Repair the respective parts by buffing
them.
Alternatively, replace the parts.

Needle and rotary hook timing is
incorrect.

Adjust the needle bar lift amount.

P. 56

Upper thread tension is strong.

Reduce the upper thread tension.

P. 24

Thread take-up spring tension is
strong.

Reduce the tension of the thread
take-up spring.

P. 55

Upper thread breaks.

Thread breaking from heat

Use a needle cooler.
Reduce the sewing speed.

P. 18
P. 29

Damage to the needle hole plate or
bobbin case.

Repair the respective parts by buffing
them.
Alternatively, replace the parts.

Lower thread breaks.

Lower thread tension is strong.

Reduce the lower thread tension.

P. 24

Needle is bent.

Replace the needle.

Needle is thin.

Select a needle that is suitable for the
sewing conditions.

Needle and rotary hook tip are
touching.

Adjust the needle clearance.

P. 56

Needle and rotary hook timing is
incorrect.

Adjust the needle bar lift amount.

P. 56

Needle is broken.

Feed timing is slow.

Advance the feed timing.

Movable knife is not cutting cleanly.

Replace with a new one.

P. 58

Fixed knife is not cutting cleanly.

Sharpen the fixed knife or replace it
with a new one.

P. 58

Adjust the needle bar lift amount.

P. 56

Movable knife is not picking up the
upper thread.

Adjust the standby position of the
movable knife.

P. 59

Upper thread is not
trimmed.

Movable knife is not picking up the
upper thread because the last stitch is
being skipped.

Refer to "Skipped stitches occur".

P. 74

Lower thread is not
trimmed.

Lower thread tension is weak.

Increase the lower thread tension.

P. 24

Содержание BAS-300G-484

Страница 1: ...84 BAS 300G 484 SF Please read this manual before using the machine Please keep this manual within easy reach for quick reference DIRECT DRIVE PROGRAMMABLE ELECTRONIC PATTERN SEWER TREBLE HOOK INSTRUCTION MANUAL ...

Страница 2: ... 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 these parts Follow the instructions from training personnel and instructors regarding safe and correct operation before operating the machine so that you will know how to u...

Страница 3: ...ructions which follow this term indicate situations where failure to follow the instructions could result in death or serious injury CAUTION The instructions which follow this term indicate situations where failure to follow the instructions may result in minor or moderate injury Symbols This symbol indicates something that you should be careful of The picture inside the triangle indicates the nat...

Страница 4: ...r in any devices Excessively dry or humid environments and dew formation may cause problems with correct operation In the event of an electrical storm turn off the power and disconnect the power cord from the wall outlet Lightning may cause problems with correct operation Installation Machine installation should only be carried out by a qualified technician Contact your Brother dealer or a qualifi...

Страница 5: ...ase get into your eyes or onto your skin inflammation can result Furthermore do not drink or eat the lubricating oil or grease They may cause diarrhea or vomiting Keep the oil out of the reach of children Maintenance and inspection Maintenance and inspection of the sewing machine should only be carried out by a qualified technician Ask your Brother dealer or a qualified electrician to carry out an...

Страница 6: ...d cover tension release solenoid cover inner cover outer cover fixed cover gas spring support cover and hook cover 3 4 5 6 Be careful not to get your hand caught when tilting back the machine head and returning it to its original position When operating the sewing machine close the hook cover If you touch the hook while it is spinning injury or damage to the sewing machine may result Be sure to co...

Страница 7: ...ase solenoid cover Inner cover L Outer cover Fixed cover L Motor cover L Motor cover Solenoid cover Thread take up cover Finger guard Motor cover R Gas spring support cover Eye guard Inner cover R Outer cover Fixed cover R 4630M 4631M Hook cover ...

Страница 8: ...ion 24 4 7 2 Upper thread tension 24 4 8 Home position detection 25 5 USING THE OPERATION PANEL BASIC OPERATIONS 26 5 1 Name and function of each operation panel item 26 5 2 Loading sewing data 28 5 3 Setting the program number 28 5 4 Setting the X scale and Y scale 29 5 5 Setting the sewing speed 29 5 6 Checking the sewing pattern 30 5 7 Setting the height of the intermittent presser foot 484 SF ...

Страница 9: ...rance 56 10 7 Adjusting the thread take up amount 57 10 8 Adjusting the clearance between the inner hook and the hook stopper 57 10 9 Replacing the movable and fixed knives 58 10 10 Adjusting the standby position of the movable knife 59 10 11 Adjusting the engagement of the movable knife and fixed knife 61 10 12 Installing the feed plate 62 10 13 Adjusting the thread wiper 63 10 14 Intermittent pr...

Страница 10: ... 12 Finger guard 3 CF slot 13 Eye guard 4 Operation panel 14 Thread take up cover 5 Work clamp switch 15 Motor cover 6 Start switch 16 Solenoid cover 7 STOP switch 17 Hook cover 8 Thread wiper switch 9 Pulley 10 Cotton stand 11 Solenoid valve CF TM is a trademark of SanDisk Corporation BAS 300G 484 SF BAS 300G 484 4632M ...

Страница 11: ... mm or 0 Default setting 3 mm 2 Hook Treble hook Wiper device Standard equipment Thread trimmer Standard equipment Data storage method Internal memory Flash memory CF card 32 MB 2 GB 3 5 floppy disk 2HD 1 44MB 2DD 3 User programs 50 Cycle programs 9 Motor 550 W AC servo motor Weights Machine head approx 90 kg operation panel approx 0 6 kg Control box 14 2 16 2 kg Differs depending on destination P...

Страница 12: ...ry or damage to the sewing machine may result All cords should be secured at least 25 mm away from any moving parts Furthermore do not excessively bend the cords or secure them too firmly staples otherwise there is the danger that fire or electric shocks could occur Be sure to connect the ground If the ground connection is not secure you run a high risk of receiving a serious electric shock and pr...

Страница 13: ...s 1 and then remove the control box cover 2 3 Control box 4 Bolts 4 pcs 5 Plain washers 4 pcs 6 Spring washers 4 pcs 7 Nuts 8 pcs 8 Power switch 9 Wood screws 2 pcs 10 Staples 4 pcs 3 3 Installing the oil pan 1 Oil pan 2 Nails 7 pcs 3 Rubber cushions 4 pcs 4 Waste oil tank 1841B Operator 1840B 2142B ...

Страница 14: ...an and the rubber cushions NOTE Be careful not to get the cords clamped between the machine head and the oil pan When holding the machine head do not hold it by the pulse motor This may cause problems with operation of the pulse motor 4 Hinge holders 2 pcs 5 Bolts 4 pcs 6 Plain washers 4 pcs 7 Nuts 4 pcs 8 Head rest 9 Bolts with washer 4 pcs Pulse motor Approx 20 mm Approx 20 mm 4635M 4636M ...

Страница 15: ...zontal If the auxiliary plate 10 is lower than the needle plate the feed plate may get caught on the needle plate Move the work clamp arm all the way to the right when looking from the front of the sewing machine the direction of the arrow in the illustration and then gently tilt back the machine head NOTE Two or more people should tilt back the machine head and it should be tilted gently while be...

Страница 16: ...spring shaft D 19 Plain washers 2 pcs 20 Retaining rings E 2 pcs 21 Bolts 2 pcs 22 Plain washers medium 2 pcs 23 Plain washers large 2 pcs 24 Spring washers 2 pcs 25 Nuts 2 pcs 26 Gas spring shaft U 27 Set screw 28 Gas spring support cover 29 Bolts with washer 6 pcs Be sure to install so that the side with UP on it is facing upward 4639M 4640M ...

Страница 17: ...chine head switch 31 to the position shown in the illustration and then secure the machine head switch 31 with the screw 30 and the accessory M3x16 screw 32 Check that the machine head switch 31 is turned on as shown in figure A NOTE If the machine head switch is not turned on errors E050 E051 and E055 will be generated Oil pan 4641M ...

Страница 18: ...sure to move the work clamp arm 1 all the way to the right before tilting back the machine head If you try to tilt back the machine head while the work clamp arm 1 is still on the left side it may damage the outer cover L 2 3 6 Installing the operation panel 1 Operation panel set 2 Panel rubber 3 Plain washers 6 pcs 4 Bolts 3 pcs 5 Nuts 6 pcs Insert the cord from the operation panel 1 which has be...

Страница 19: ...onnector 5 of the valve harness 3 Connect the connector 6 of the thread wiper switch to the connector 5 4 Connect each of the air tubes 7 to the valves so that all of the numbers match respectively Connect the air tube marked with a T to valve 3 The air tubes 7 marked with an A connect to the front valve connections A and those marked with B connect to the rear connections B 5 Open the air cock 8 ...

Страница 20: ...mes faster You can operate the work clamp when the power is turned off by pressing the manual buttons 5 Adjusting the thread wiper operating speed Valve 3 is used for adjusting the operating speed of the thread wiper 1 To use fully tighten both the upper and lower knobs 2 and 3 and then loosen them both by 6 turns NOTE If the knobs 2 and 3 are tightened more than the settings mentioned above upper...

Страница 21: ...with cable ties and cord clamps while being careful not to pull on the connector 1 Be sure to make the ground connection Refer to 3 10 Connecting the ground wire 2 Only applicable to 484 SF specifications Connector Connection location on main P C board Cord clamp X pulse motor encoder 5 pin white P20 X ENC 3 Y pulse motor encoder 5 pin blue P4 Y ENC 3 Work clamp pulse motor encoder 5 pin black 2 P...

Страница 22: ... PMD P C board Cable tie Work clamp pulse motor 4 pin black 2 P3 PPM 5 6 Thread trimmer solenoid 6 pin P6 SOL1 5 6 Tension release solenoid 4 pin P7 SOL2 5 6 Y pulse motor 4 pin blue P8 YPM 5 6 X pulse motor 4 pin white P10 XPM 5 6 Continued on next page Removing Press the tab Securing NOTE Route the X Y and work clamp pulse motor harnesses so that they do not touch the PMD P C 1 Be sure to make t...

Страница 23: ...10 Connecting the ground wire CAUTION Be sure to connect the ground If the ground connection is not secure you run a high risk of receiving a serious electric shock and problems with correct operation may also occur 1 Ground wire from upper shaft motor harness 2 Ground wire from the machine head 3 Ground wire from operation panel 4 Ground wires from two pedal foot switch harnesses 2 wires Tighten ...

Страница 24: ...e inside of the control box uses single phase power NOTE Do not use an extension cord If this is not observed it may cause problems with correct operation 3 12 Installing the cotton stand 1 Cotton stand NOTE Fit the washer 2 and then securely tighten the nut 3 so that the cotton stand does not move 2974B Three phase specifications Single phase specifications Green and yellow wire ground wire 5239Q...

Страница 25: ... sewing machine If the machine is used without these devices attached injury may result 1 Screw loosen 2 Eye guard tilt forward 3 Eye guard assembly 4 Plain washers 2 pcs 5 Screws 2 pcs After installing the eye guard assembly 3 return the eye guard 2 to its original angle and then tighten the screw 1 to secure it in place 2152B ...

Страница 26: ...ng the motor cover 1 Motor cover R 2 Screws 4 pcs 3 Motor cover L 4 Screws 4 pcs 5 Motor cover 6 Screws 2 pcs 7 Solenoid cover 8 Screws 2 pcs 9 Screws 2 pcs NOTE Be careful not to clamp the cords when installing the motor cover and the solenoid cover 4654M 4653M ...

Страница 27: ...nergy Corporation Sewing Lube 10N VG10 specified by Brother If this type of lubricating oil is difficult to obtain the recommended oil to use is Exxon Mobil Essotex SM10 VG10 1 Fill the arm side oil tank with oil 2 Move the work clamp arm 1 as far as it will go to the right when looking from the front of the sewing machine and then slide the outer cover L 2 into the inner cover L 3 so that the lub...

Страница 28: ...ng the machine head fixing bolt When transporting the sewing machine secure the machine head to the table with the machine head fixing bolt 1 Plain washer 2 Machine head fixing bolt NOTE When operating the sewing machine remove the machine head fixing bolt 4659M ...

Страница 29: ...read correctly as shown in the illustration below When using threading mode for threading the tension discs 1 will open so that the thread can be threaded more easily Refer to following page Turn the machine pulley 2 and raise the thread take up 3 to its highest position before threading the upper thread This will make threading easier and it will prevent the thread from coming out at the sewing s...

Страница 30: ... discs will close 4 Ending threading mode THREAD CLAMP indicator switches off Press the THREAD CLAMP key The work clamp and the intermittent presser foot will return to where they were before threading mode began The intermittent presser foot is only applicable to 484 SF specifications 4 3 Foot switch operating method When the work clamp switch left side is depressed the work clamp will be lowered...

Страница 31: ...amp will drop 7 While pressing the TENSION WIND key 3 depress the start switch 8 Release the TENSION WIND key 3 after the machine starts operating and keep depressing the foot switch until the lower thread stops being wound onto the bobbin If you release the foot switch before winding is complete and then depress it again while pressing the TENSION WIND key 3 winding will start again 9 Once windin...

Страница 32: ... about 30 mm 4 Hold the latch on the bobbin case and insert the bobbin case into the rotary hook 4 6 Installing the anti spin spring If the following situations occur operation can be improved by using an anti spin spring The lower thread becomes tangled inside the bobbin case Uneven thread tightening occurs at the sewing start 4664M 4665M Pull Installation Removal 1 While inserting the projection...

Страница 33: ... 3 0 6 Needle DP x 17 25 Normal sewing speed 1 300 sti min 4 7 1 Lower thread tension Adjust the lower thread tension by turning the adjusting screw 1 4 7 2 Upper thread tension 1 Turn the tension nut 1 main tension to adjust the tension as appropriate for the material being sewn 2 Use the tension nut 2 sub tension to adjust the upper thread trailing length to about 45 mm Weaker Stronger Weaker St...

Страница 34: ... appear in the menu display 5 After this the program number will flash in the PROGRAM No display 4 2 Depress the work clamp switch 6 to lower the work clamp and then depress the start switch 7 After home position detection is carried out the work clamp will move to the sewing start position and then it will rise For programs with a large number of stitches the buzzer will sound after the home posi...

Страница 35: ...sed to start test mode 5 TEST indicator Illuminates when the TEST key 4 has been pressed 6 THREAD CLAMP key Used to start threading mode or work clamp height setting mode 7 THREAD CLAMP indicator Illuminates when the THREAD CLAMP key 6 has been pressed 8 TENSION WIND key Used to wind the lower thread 9 TENSION WIND indicator Spare 10 X SCALE indicator Illuminates when the SELECT key 15 is pressed ...

Страница 36: ...ry switch settings and error codes 17 Setting keys Used to change the value which is displayed in the menu display 16 In addition it is used to move the needle position forward and back when sewing has been paused 18 PROGRAM No display Displays information such as program numbers 19 Setting keys Used to change the value which is displayed in the PROGRAM No display 18 20 CF media indicator Illumina...

Страница 37: ...oaded from the CF card and copied into the sewing machine s internal memory 4 Loading complete The PROGRAM No display will change from P to the selected program number Turn off the power switch remove the CF card and then close the cover of the CF slot 5 3 Setting the program number 1 Press the or key 1 to select the program number that is loaded into the internal memory The program number will fl...

Страница 38: ...in the PROGRAM No display 6 3 Depress the work clamp switch 7 to lower the work clamp and then depress the start switch 8 The work clamp will move to the sewing start position and then the scales will be applied The program number will stop flashing and illuminate steadily NOTE After completing the setting be sure to refer to 5 6 Checking the sewing pattern to check that the needle drop position i...

Страница 39: ...s test feed mode Depress the work clamp switch 1 to lower the work clamp and then depress and release the start switch 2 The work clamp will start moving continuously one stitch at a time Fast forward test mode If the work clamp switch 1 is depressed while the work clamp is moving the feeding speed can be increased while the work clamp switch 1 is depressed TEST indicator illuminates If you press ...

Страница 40: ...the height of the new value that has been set NOTE After making the setting be sure to turn the pulley once by hand and check that the intermittent presser foot 1 does not touch the needle bar Changing modes 1 Threading mode 4 Intermittent presser foot height setting mode 3 Ending setting mode THREAD CLAMP indicator switches off Press the THREAD CLAMP key The setting values will be memorized The i...

Страница 41: ...ry switch setting mode Refer to 6 2 Setting memory switches 2 Lower thread counter setting mode Refer to 6 4 Using the lower thread counter 3 Production counter setting mode Refer to 6 5 Using the production counter 4 When SPEED indicator is illuminated Production counter temporary display function Refer to 6 5 Using the production counter 5 User program setting mode Refer to 6 7 Using user progra...

Страница 42: ...switches that have been changed from default settings While pressing the SELECT key press the or key The numbers of memory switches that have been changed from default settings will appear in order If no memory switches have been changed from their default settings the display will not change and the buzzer will beep twice 3 Ending setting mode TEST indicator switches off Press the TEST key The ch...

Страница 43: ...gle stitch test feed OFF Test feed starts when the foot switch start switch is depressed and it continues automatically until the final stitch 200 ON Test feed is carried out one stitch at a time when the foot switch start switch is depressed feed becomes continuous if the foot switch start switch is continuously depressed In addition when the TEST indicator is illuminated test feeding will move f...

Страница 44: ...t the counter display menu when memory switch no 300 is set to OFF the COUNTER indicator will illuminate and the lower thread counter will appear in the menu display 2 1 Each time the sewing of a single article is completed the value shown in the menu display 2 is reduced by 1 2 When the lower thread counter reaches 0000 the buzzer will sound continuously The sewing machine will not operate during...

Страница 45: ... memory switch no 300 is set to ON the SPEED and COUNTER indicators will illuminate and the production counter will appear in the menu display 2 1 Each time the sewing of a single article is completed the value shown in the menu display 2 is increased by 1 2 While the key 3 is being pressed the first three digits will appear in the PROGRAM No display 4 so that the total number of digits displayed ...

Страница 46: ...The work clamp will move to the sewing start position and then the program number will be applied The program number will stop flashing and illuminate steadily 3 Press the SELECT key 5 so that the SPLIT No indicator 6 illuminates The split number will appear in the menu display 7 4 Press the or key 8 to set the split number The setting for memory switch No 403 lets you select the split mode Contin...

Страница 47: ...witch to user program recording mode Check that the menu indicators are flashing The user program number will appear in the PROGRAM No display and P will appear in the menu display Press the or key to select the user program number 2 First set the program number Press the or key to set the user program number to be recorded NOTE Select a program number that is recorded in the internal memory You c...

Страница 48: ...mittent presser foot height to be recorded 7 TEST indicator illuminates MENU indicator flashes Press the SELECT key If setting further user programs select the user program number and then repeat steps 2 to 7 8 End user program recording mode TEST indicator switches off MENU indicator illuminates Press the TEST key This completes the recording of a user program The user program number will flash i...

Страница 49: ...ethod 1 TEST indicator illuminates MENU indicator flashes While pressing the TEST key press the SELECT key Switch to user program recording mode Check that the menu indicators are flashing The user program number will appear in the PROGRAM No display and the program number will appear in the menu display Press the or key 1 to select the user program number that you would like to clear 2 Press the ...

Страница 50: ...ram into a user program 2 Switch to cycle program recording mode and select the cycle program number MENU indicator switches off Press a function key from F1 to F4 The cycle program number C 1 to C 4 will appear in the PROGRAM No display and 1 will appear in the menu display Press the function key F1 to F4 or press the or key to select the cycle program number 3 Set step 1 Press the or key to sele...

Страница 51: ...art position The cycle program number can be selected directly by pressing function keys F1 to F4 4 Refer to 6 9 Direct selection 2 Check that the needle drop position is correct and then start sewing Refer to 5 6 Checking the sewing pattern 3 The recorded user program will be sewn step by step and when the final step is complete the menu display 5 will return to showing step 1 If you press the or...

Страница 52: ...ound and the cycle program with the number selected will be cleared NOTE If you clear all user programs after any cycle programs have been recorded all recorded cycle programs will also be cleared 6 9 Direct selection combination table You can use the function keys to directly select user program numbers and cycle program numbers U1 to U4 and C 1 to C 4 can be selected using function keys F1 to F4...

Страница 53: ...sm will move by 0 05 mm each time the or key is pressed When the distance reaches 10 mm the amount of movement will change to 0 1 mm When using X scale parallel movement mode the needle moves the corresponding distance to the right when the key is pressed and to the left when the key is pressed When using Y scale parallel movement mode the needle moves the corresponding distance backward when the ...

Страница 54: ...option output 1 TEST indicator illuminates MENU indicator switches off While holding down the RESET key turn on the power switch Keep pressing the RESET key until the model name is displayed and the buzzer beeps once The parameter number will appear in the PROGRAM No display and the setting details for that parameter will appear in the menu display 2 Press the or key to select the parameter number...

Страница 55: ...rchased and so you should not reformat them The recommended CF cards are commercially available ones from SanDisk or HAGIWARA SYS COM CF cards from other manufacturers can be used but different formatting methods may mean that loading from or writing to such cards may not be possible For more information refer to the documentation provided with the CF card This product is compatible with CF cards ...

Страница 56: ...ist 4 Press the or key to select the mode Read write mode list PROGRAM No display Menu display Setting items r 1 SEd Sewing data is read from the CF card 1 w 2 SEd Sewing data is written to the CF card r 3 MEM Memory switch settings are read from the CF card w 4 MEM Memory switch settings are written to the CF card r 5 UPG User programs are read from the CF card w 6 UPG User programs are written t...

Страница 57: ...ey SEd will change to ALL If you press the or key to select the program numbers that you would like to read and then continue to carry out the following procedure you can read the selected sewing data in separate lots 3 Loading Press the R W key The buzzer will sound and all sewing data will be loaded from the CF card and copied into the sewing machine s internal memory The program numbers that ha...

Страница 58: ...d and the all sewing data will be copied from the internal memory onto the CF card The program numbers that have been written will appear in the menu display If there is a large volume of data in the internal memory it will take some time for all of it to be written To halt the writing of data press the STOP switch If you then press the RESET key the display will change back to ALL 4 End data read...

Страница 59: ... injury or damage to the machine 8 1 Sewing 1 Turn on the power switch 2 Press the or key 1 to select the sewing program number that you would like to use Refer to 5 2 Loading sewing data for details on reading sewing data from a CF card 3 Depress the work clamp switch 2 to lower the work clamp 3 and then depress the start switch 4 The work clamp will move to the sewing start position Home positio...

Страница 60: ...switch 1 at times such as if the thread breaks while sewing or the lower thread runs out you can resume sewing from the point where the thread ran out 1 Press the RESET key The thread will be trimmed and then the CAUTION indicator will switch off and the buzzer will stop sounding 2 Press the key to return to the position where sewing stopped When you press the key the feed mechanism will move back...

Страница 61: ...your eyes or onto your skin If the oil and grease get into your eyes or onto your skin inflammation can result Furthermore do not drink or eat the lubricating oil or grease They may cause diarrhea or vomiting Keep the oil out of the reach of children 9 1 Cleaning the rotary hook Remove the bobbin case and then remove the thread scraps and lint from around the shuttle Also wipe the bobbin to remove...

Страница 62: ...cock 3 in the direction of the arrow to drain the water 2 After draining the water tighten the drain cock 3 3 Open the air cock 2 9 5 Cleaning the eye guard Wipe the eye guard clean with a soft cloth NOTE Do not use solvents such as kerosene or thinner to clean the eye guard 9 6 Checking the needle Always check that the tip of the needle is not broken and also that the needle is not bent before st...

Страница 63: ...nd fall down and serious injury or damage to the sewing machine may result If the power switch needs to be left on when carrying out some adjustment be extremely careful to observe all safety precautions If any safety devices have been removed be absolutely sure to re install them to their original positions and check that they operate correctly before using the machine 10 1 Checking the machine h...

Страница 64: ... thread tension spring is not adjusted correctly the upper thread trailing length will be uneven after thread trimming 10 4 Adjusting the needle bar height Turn the pulley 1 by hand in the direction of the arrow to move the needle bar to the lowest position Then remove the rubber plug 3 loosen the screw 4 and then move the needle bar up or down to adjust so that the second reference line from the ...

Страница 65: ...dle bar bush 2 and then loosen the two set screws 4 and move the rotary hook to adjust so that the rotary hook tip 3 is aligned with the center of the needle 10 6 Adjusting the needle clearance Turn the pulley 1 in the direction of the arrow to align the rotary hook tip 2 with the center of the needle and then loosen the two set screws 3 and move the rotary hook forward or back to adjust so that t...

Страница 66: ...u would like to increase the upper thread trailing amount loosen the stopper 3 NOTE If you make the stroke of the thread take up lever 1 to be shorter than necessary it will cause the upper thread trailing length to become too short and the thread will pull out In addition if the stroke is made to be longer than necessary it will cause the upper thread trailing length to become too long and the th...

Страница 67: ...ll the fixed knife 7 0 5 mm away from the needle hole plate 9 5 Check that the movable knife 6 and fixed knife 7 cut the thread cleanly Replace the movable knife spacer with accessory spacers 10 t 0 4 0 5 0 6 0 7 so that the knives trim the thread accurately If the knife pressure is too weak and the thread is not completely cut use a thinner movable knife spacer 10 If the knife pressure is too str...

Страница 68: ...ake up the play and then move thread trimmer rod H 4 forward or back to adjust so that the V section A is aligned with the index mark B on the needle plate 5 After tightening the bolt 2 check the above position once more 6 Loosen the four bolts 5 and the nut 6 until the thread trimmer roller 7 is within the groove in the thread trimmer cam 8 After this tighten the set screw 9 until the thread trim...

Страница 69: ...n off 10 While the thread trimmer air cylinder 15 is turned on slide the thread trimmer air cylinder 15 in the direction of the arrow so that the thread trimmer plate 17 and thread trimmer lever H 18 are touching and then tighten the four bolts 5 11 Loosen the nut 6 once more and then turn the set screw 9 a further 1 4 of a turn in the counterclockwise direction 12 Tighten the nut 6 and then check...

Страница 70: ...in Fig 1 tighten the screw 3 B Turn the movable knife 1 while the screw 3 is still tightened Move in the direction of the arrow C Loosen the screw 3 D Turn the movable knife 1 while the screw 3 is still loosened Move in the direction of the arrow Repeat above steps A Æ B Æ C Æ D Æ A four or five times to maintain the cutting performance of the knife 1 Knife Knife 3211Q 4699M 4700M Knife Knife ...

Страница 71: ...lower the work clamp and then depress the start switch 2 After the home position is detected and the work clamp drops the feed mechanism will move to the feed plate installation position and then the work clamp will rise 3 Use a 2 mm diameter pin to align the holes in the X feed bracket 3 and the needle plate 4 with the two holes in the feed plate 5 and then tighten the two bolts 6 NOTE Install th...

Страница 72: ...e needle is approximately 2 mm and the tip of the thread wiper 3 is approximately 3 mm from the center of the needle when the thread wiper 3 passes below the needle during operation NOTE Check that the thread wiper 3 does not touch the finger guard 4 Open the air cock 1 10 14 Intermittent presser foot installation position 484 SF specifications only Install the intermittent presser foot 1 with the...

Страница 73: ...emove the face plate 2 Remove the two screws 1 and the two shoulder screws 2 and then remove stepping clamp link A 3 3 Change the installation position for stepping clamp link A 3 to either A B or C above If the position of the stepping clamp connecting rod is adjusted as described in the following at any one of the installation positions the adjustment range for the intermittent stroke will as gi...

Страница 74: ...ed with the lower edge of the needle bar bush 5 4 Open the top cover and loosen the two set screws 6 5 Align the index marks on the stepping clamp cam 7 and the stepping clamp connecting rod 4 and then tighten the set screws 6 Check the following after changing the intermittent stroke 1 With the intermittent presser foot 1 lowered turn the pulley in the direction of the arrow to move the intermitt...

Страница 75: ...press the work clamp switch 1 to raise the work clamp 2 2 Loosen the two bolts 4 of the left and right work clamp arm levers 3 and then move the work clamp arm levers 3 up or down to adjust 10 17 Adjusting the air pressure Lift up the handle 2 of the regulator 1 and then turn it to adjust the air pressure to 0 5 MPa After adjustment is complete push the handle 2 downward to lock it 5018Q Max 30mm ...

Страница 76: ...plate which match the sewing pattern while referring to the processing diagram below Values in are the recommended sizes when sewing using the maximum area 130x60 mm for 484 SF specifications Work clamp processing diagram The left and right work clamps are symmetrical Center of sewing area mm 4713M 4714M Feed plate processing diagram Recommended thickness 1 5 mm mm Center of sewing area ...

Страница 77: ...till being depressed or the start switch was depressed without the work clamp being lowered If the power has been turned on while the start switch was still depressed turn off the power and check the start switch If the start switch was depressed without lowering the work clamp depress the work clamp switch to lower the work clamp E035 The work clamp switch is depressed Turn off the power and then...

Страница 78: ...tor home position cannot be detected Problem with X feed motor or poor X home position sensor connection Turn off the power and then check that connector P10 on the PMD P C board and connector P20 on the main P C board are properly connected E201 X feed motor stopped due to a problem Turn off the power and then check if there are any problems in the X feed direction E202 Problem with X feed motor ...

Страница 79: ...ower and then turn it back on again E413 Communication error with PMD P C board detected Turn off the power and then turn it back on again E420 No CF card is inserted E421 Program contents are incorrect and cannot be used or no data Check that the CF card or floppy disk contains data with this program number E422 Error occurred while reading the CF card or floppy disk Check the data on the CF card...

Страница 80: ...nt ratio again E510 Invalid code in sewing data Reload the data from the CF card or floppy disk E511 No end code has been input into sewing data Input an end code or change the program number E512 Number of stitches exceeds allowed maximum E520 Extended option output number already exists Change the extended option output number If not using the extended option output initialize the data to clear ...

Страница 81: ... then check if there are any problems in the X feed direction E712 Abnormal current detected in Y feed motor Turn off the power and then check if there are any problems in the Y feed direction E713 Abnormal current detected in work clamp motor Turn off the power and then check if there are any problems with the X feed mechanism Y feed mechanism or work clamp lifter E730 External error input AIRSW ...

Страница 82: ...sure is low Adjust the regulator so that the air pressure is about 0 5 MPa P 66 Work clamp Adjust the speed controller by loosening it 4 turns from the fully tightened position P 11 Speed controller has been overtightened applicable to other than thread trimmer cylinder Thread wiper and thread take up lever Adjust the speed controller by loosening it 6 turns from the fully tightened position P 11 ...

Страница 83: ... out also if adjusting the sub tension fails to prevent the thread from pulling out P 57 Amount of lower thread being fed out from bobbin is small Set the feeding amount to approximately 30 mm P 23 Thread unravelling at sewing start Sewing start speed is fast Adjust the sewing start speed P 34 Rotary hook tip is missing Replace the part Needle is thin Needle is thick Select a needle that is suitab...

Страница 84: ... plate or bobbin case Repair the respective parts by buffing them Alternatively replace the parts Lower thread breaks Lower thread tension is strong Reduce the lower thread tension P 24 Needle is bent Replace the needle Needle is thin Select a needle that is suitable for the sewing conditions Needle and rotary hook tip are touching Adjust the needle clearance P 56 Needle and rotary hook timing is ...

Страница 85: ...ance between the tip of the hook stopper and the surface of the inner hook needle drop section to approximately 0 8 mm P 57 Feed timing is fast Retard the feed timing Upper thread is not tight Intermittent height of intermittent presser foot is low 484 SF specifications only Adjust the intermittent height of the intermittent presser foot P 31 Lower thread tension is weak Increase the lower thread ...

Страница 86: ...13 7 SEGMENT DISPLAY 77 BAS 300G 484 BAS 300G 484 SF 13 7 SEGMENT DISPLAY ０１２３４５６７８９ＡＢＣＤＥＦＧＨＩＪＫＬＭＮＯＰＱＲＳＴＵＶＷＸＹＺ ...

Страница 87: ...MEMO 78 BAS 300G 484 BAS 300G 484 SF ...

Страница 88: ...td All Rights Reserved This is the original instructions Please note that the contents of this manual may differ slightly from the actual product purchased as a result of product improvements BAS 300G 484 BAS 300G 484 SF SB3326 001 E 2012 02 B 1 ...

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Brother BAS-300G-484, Инструкция по эксплуатации

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