Brother BAS-600 Service Manual Download Page 102

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From the library of: Superior Sewing Machine & Supply LLC

Summary of Contents for BAS-600

Page 1: ...AUTOMATIC LOCK STITCH POCKET WELTING SEWING MACHINE FOR FLAP ATIACHMENT SERVICE MANUAL FOR BAS 600 BAS 601 From the library of Superior Sewing Machine Supply LLC ...

Page 2: ...bin thread 9 4 Holding the needle and bobbin threads 10 TREADLE AND START SWITCH DESCRIPTION 11 1 Treadle operation 11 2 Treadle operation for operation standing up 12 3 Marking light 13 PROGRAMMING 15 1 Entering a standard sewing program 15 2 Entering a flap sewing program 16 3 Entering a cycle sewing program 18 4 Operating the stacker during cycle sewing 19 5 Setting the bobbin counter 20 6 Chec...

Page 3: ...cking 43 2 Condensed stitch 44 3 Stacker operation 45 4 1 0 checking 46 5 DIP switch descriptions supplement 47 6 Relationship between machine speed and feed speed due to stitch pitch 48 STANDARD ADJUSTMENT MECHANICAL PORTION 49 1 Adjusting the upper and lower shaft timing 49 2 Adjusting the needle and the rotary hook timing 49 3 Adjusting the gap between the rotary hook and the needle plate so 4 ...

Page 4: ...e flap sensor model 601 only 86 STANDARD ADJUSTMENT ELECTRONIC PORTION 87 1 Replacing the circuit board 87 2 Replacing the fuse 93 3 Connecting the solenoid valves and the air lines 94 OPTIONAL PARTS INSTALLATION 95 1 Thread breakage detector 95 2 Flap guide 95 3 Spacer for working while standing up 96 4 Hand switch 96 5 Marking lights 97 TROUBLESHOOTING GUIDE 98 ERROR CODES 1OS From the library o...

Page 5: ... Seam length from 16 mm 36 190 mm Flap stitch 80 180 mm Lockstitch 1 4 2 8 mm Backstitch Condensed 0 8 1 4 mm Backtack Same as lockstitch Stitch length Stitch length at sewing start is 1 2 lockstitch stitch length Adjusted with DIP switch setting Thread type Thread for automatic sewing machines spun core 50 Power supply 3 phase 220V 50 60Hz 500W 21ines of 3 phase supply used Dimensions 820 D X 130...

Page 6: ...rs so the table will not move Lower the lever to lock the caster Lower the Ievere to move the table Remove the three screws 0 I and open the side panel Plug the 12Pconnectore forthetreadle into the side panel connector block 4 Installing the material holder Set the material holder 0 onto the stud and secure with the screw From the library of Superior Sewing Machine Supply LLC ...

Page 7: ...cker Refer to the figure below to install the stacker Connecting the power supply connector and the air hoses Connect the connectors as numbered 3 0 Connector No 14 Connector No 15 Airhose e Airhose From the library of Superior Sewing Machine Supply LLC ...

Page 8: ...Decrease 4 0 Connector No 14 Connector No 15 Airhose 9 Airhose 1 The standard operating air pressure is 5 kg cm2 Turn the handle 0 to adjust the pressure 2 If water collects in the bottle 1 close the air cock 1 and turn the drain cock e slowly in the direction of the arrow to drain the water Be sure to close the drain cock 9 after letting the water out From the library of Superior Sewing Machine S...

Page 9: ...ation SJ Rotary hook base index I CD More lubrication 3 Filling the arm top oil tank White line 5 Turn the two oil adjusting screws 0 from the rotary hook base indices to adjust lubrication as shown in the figure on the left Remove the oil inlet cap 0 and add oil until the tank is filled to the reference line on the oil gauge window Add oil if oil cannot be seen in the window When using the machin...

Page 10: ...4 Regular lubrication Before sewing be sure to add a drop or two of oil at each of the points indicated by the arrows in the figure 1 a l 6 From the library of Superior Sewing Machine Supply LLC ...

Page 11: ...ion of the arrow The power will come on automatically and the bobbin winder shaft will begin winding the bobbin 5 When the bobbin is full the lever will automatically return and the bobbin winder shaft will stop 6 To adjust the amount of thread wound onto the bobbin 8 loosen the screw and shift the lever e right or left 7 Remove the bobbin from the bobbin winder shaft and wrap the thread onto the ...

Page 12: ...once The EMERGENCY STOP indicator will blink 2 Press EMERGENCY STOP The alarm will sound twice The carriage feed will move to its home position 3 SetMODEe to MANUAL 4 Set CARRIAGE FEED to FORWARD to advance the carriage feed While setting THREAD TRIMMER to UPPER set CARRIAGE FEED to FORWARD to fast forward the carriage feed to the thread trimmer position Threading the needle thread Without a needl...

Page 13: ...the corners of the bobbin cases remove the bobbin cases 1 Insert the bobbin into the bobbin case 2 Pass the thread through the notch 0 and under the tension spring 3 Pull approximately 50 mm of thread from the hole at the end of the tension spring 4 Insert the bobbin case into the rotary hook From the library of Superior Sewing Machine Supply LLC ...

Page 14: ...3 Set the two needle threads on the movable knife 4 Reset THREAD TRIMMER 0 to raise the movable knife and to cut and hold the needle threads 5 Set THREAD TRIMMER 0 to LOWER to turn the fixed knife 90 as shown in the figure 6 Insert the threads into the needle plate grooves and reset THREAD TRIMMER 0 The fixed knife wiII cut and hold the bobbin threads THREAD TRIMMER MODE l iiiitiij Jil 16t ilit4M ...

Page 15: ...ngs R and L will descend 3 When the treadle 0 is pressed to position 1 the carriage feed L 9 will descend 4 When the treadle 0 is pressed to position 2 the carriage feed R will descend 5 When the treadle 0 is pressed to position 3 the binder will descend and the folding plate will operate 6 When the treadle 0 is pressed to position 4 the flap presser L 8 will descend 7 When the treadle 0 is presse...

Page 16: ...n and material placement easier when the operator is standing up When the treadle is pressed back the padding cloth presser foot springs R and L will rise When the treadle is released the padding cloth presser foot springs R and L will descend When the treadle is pressed to position 1 the carriage feed L wiII descend When the treadle is held down for another 0 5 sec the carriage feed R will descen...

Page 17: ...her is at the sewing end The right left position of the tft1mark at the sewing start is adjusted by loosening the two bolts Loosen the bolt 0 to adjust the position of the marking light as desired Ex 1 When sewing start and end are determined If the seam is 140 mm and the bodice marks are inset 5 mm each 5 1408 Bodicemark If the marking lights are positioned like the figure on the left and the bod...

Page 18: ...nd the bodice darts are centered on the right tit mark and the sewing end position on the right side of the bodice is aligned with the center of the left tit 1mark a welt will be sewn as shown in the figure on the left 1 Turn the cap 8 counterclockwise to remove it from the receptacle 2 While pressing in the light bulb turn it counterclockwise to remove it from the cap 0 Replace the bulb 3 Reassem...

Page 19: ... Flap sewing is selected when F J or F C is displayed Ex Entering a standard sewing program Change the seam length of programming number 1 from 100 to 125 1 Set MODE 0 to PROGRAM 2 Press SELECT so that PROGRAMMING NUMBER indicator 1 lights 3 Enter the seam length for the standard sewing program Press the switches to change the displayed seam length from 100 to 125 4 Change MODE 0 to any position o...

Page 20: ...selected when F J n or F C II is displayed UF J n indicates right flap F C II indicates left flap sewing Correct the sewing start position correction data Ex Entering a flap sewing program Change programming number 2 to right flap sewing and correct the sewing start position 1 SetMODEO to PROGRAM 2 Press SELECT so that PROGRAMMING NUMBER indicator 2lights 3 Select flap sewing and either right or l...

Page 21: ...position is located The carriage feed will return to its home position and the correction data shown in the BOBBIN COUNTER display will be stored If EMERGENCY STOP is pressed without pressing SET 0 the carriage feed will return to its home position but the correction data will not be stored 9 Changes in the program will be stored when MODE 0 is reset to any position other than PROGRAM Changes in t...

Page 22: ...to select program n Jmber 1 4 Press CYCLE PGM SET 9 to store program number 1 5 Press SELECT to select program number 2 6 Press CYCLE PGM SET 9 to store program number 2 7 Press SELECT to select program number 1 8 Press CYCLE PGM SET 9 to store program number 1 9 Press SELECT to select program number 3 10 Press CYCLE PGM SET 9 to store program number 3 11 Reset MODE 0 to any position other than KN...

Page 23: ...umber 2 6 Press cYCLE PGM SET 9 to store program number 2 7 Press BOBBIN COUNTER SET A period will be displayed to store stacker operation in the program cycle The stacker does not operate while the period is blinking 8 Press SELECT to select program number 1 9 Press CYCLE PGM SET 9 to store program number 1 10 Press SELECT to select program number 3 11 Press CYCLE PGM SET 9 to store program numbe...

Page 24: ...indicator will blink The latest set number for the bobbin will be shown in the BOBBIN COUNTER SET display Use the switches 9 to change the setting Press SET when the changes are completed or if no changes are made The number shown in the BOBBIN COUNTER SET display will appear in the BOBBIN COUNTER display The BOBBIN COUNTER SET indicator wiII go out SOmm e 100mm 150mm Refer to the table on the lef...

Page 25: ... by one each time a piece is completed From 0 to 999 999 work pieces can be counted 7 Clearing the work piece counter MODE Q SEAM BOBBIN B0BB1 EMERGENCY STOP THREAD LENGTH COUNTER SET NCOUNTER TRIMMER rB l llll lt llll Jl MMU it IM _ v rm t PROGRAM S E SET SELECT KNifE CHANGE DOD D II IIN0 1 N0 2 N0 3 BOBBIN COUNTER SET I Di1 CYCLEPGM 4 4 4 1 Set MODE 0 to AUTOMATIC 2 With THREAD TRIMMER set to UP...

Page 26: ...sewn to the material already steps 1 3 are unnecessary 4 Set the bodice in place 5 When the treadle 0 is pressed to position 1I the carriage feed L e will descend 6 When the treadle 0 is pressed to position 2 the carriage feed R will descend 7 Settheweltinplace 8 When the treadle 0 is pressed to position 3 the binder will descend and the folding plate will operate The binder will descend to hold t...

Page 27: ...er inside the center knife is positioned Ex Change the sewing start 5 value from 5 to 6 and the sewing end E value from 5 to 7 1 Press the switch 0 for the sewing start 5 position to change the 5 to 6 2 Press the switch for the sewing end E position to change the 5to 7 The above change made before sewing start is effective in any mode The center knife moves approximately 0 36 mm when the correctio...

Page 28: ...ioned Ex Change the sewing start RS value from 5 to 6 and the sewing end ER value from 5 to 7 1 Set MODE 0 to PROGRAM 2 Press SET The corner knife position will be shown in the display 3 Press SEAM LENGTH to display a 6 4 Press SEAM LENGTH 8 to display a 7 5 Corner knife correction data will be stored when SET is pressed or when MODE 0 is reset to any position other than PROGRAM If the power is tu...

Page 29: ...ife replacement position The alarm will sound again when the carriage feed stops 3 Press EMERGENCY STOP The alarm will sound twice the carriage feed and the flap presser will descend and the corner knife will rise above the table Keep your hands away from the knife AIR OFF will be displayed 4 Turn the air cock 9 to stop the air supply Bleed the air 5 Loosen the screw and replace the corner knife 8...

Page 30: ...e bolt the spring washer and the movable knife 5 Disconnect the two air hoses Mark the hoses with tape to remember which goes where for reassembly 6 Loosen the screw in the bracket 4D and remove the cylinder sensor 4D upward 1 Tilt the machine head until it stops Disconnect the two air hoses 8 Mark the hoses with tape to remember which goes where for reassembly Remove the two screws the spring was...

Page 31: ...screws in the set collar Remove the set collar I the cloth guide arm e and the spacer 3 Remove the two screws in the cloth guide arm eI then remove the cloth guide 2 Removing the binder 1 Remove two bolts 0 1 the spring and flat washers and the binder assembly 27 From the library of Superior Sewing Machine Supply LLC ...

Page 32: ... arm fj washer D and bearing CD from the fulcrum shaft Loosen the bolt 4B and remove the connecting shaft Q Disconnectthe two air hoses from the cylinder 4D Disconnect the two air hoses CD from the center knife drive cylinder Remove the three bolts 4 3 the three flat and spring washers then remove the face plate If the arm is not disassembled lift the arm and tie the cam with a string then remove ...

Page 33: ... 2 Loosen the screw and remove the cylinder sensor e 3 Disconnect the two air hoses from the twoS elbows 4 Disconnect the two air hoses and from the two cylinder assemblies f 5 Disconnectthe connector Cli at the back ofthe machine head 6 Remove the two bolts 4D and the lamp bracket 7 Tilt the machine head until it stops 8 Remove the V belt 9 Disconnect the detector connector from the PCB 10 Lower ...

Page 34: ...ft carriage feed 3 Disconnect the two air hoses from the joint and the S elbow on the right carriage feed Disconnect the air hoses 4D from the joints and S elbows 0 on the right and left carriage feeds The hoses do not have to be disconnected 4 Disconnect the four air hoses Q from the speed control joints 0 on the right and left carriage feeds 2 Removing the carriage feed 1 Remove the two bolts 0 ...

Page 35: ...sensor downward 2 Disconnect the air hoses and 9 3 Remove the two bolts the washer the spring washer and the corner knife cylinder assembly Mark the hoses with tape to assure correct reconnection 1 Remove the spring 0 2 Remove the two bolts the flat and spring washers and the corner knife adjusting base Do not remove or disassembly the feed mechanism unless absolutely necessary 1 Disconnect the ai...

Page 36: ...er foot spring R 8 3 Remove the two bolts 9 and remove the cylinder assembly from the table 2 Removing the padding cloth presser foot spring L 1 Disconnect the air hose D 2 Remove the two screws 8 and remove the padding cloth presser foot spring L from the table 3 Loosen the two screws and remove the cylinder assembly tiD from the table 32 From the library of Superior Sewing Machine Supply LLC ...

Page 37: ...ach the corner knife cylinder assembly to the ball screw support R e with the two flat and spring washers and bolts At this time make sure the corner knife lifting plate 0 is not inserted too far back towards the pin If it is the slider might stop on the way when it is pulled to the left by hand and released Make sure the slider smoothly returns to its original position by the pressure of the spri...

Page 38: ...wo screws 3 Attach the DC motor assembly 0 to the support L 8 with the two washers spring washers and bolts then tighten temporarily Adjusting the timing belt of the DC motor assembly 4 Mount the timing belt on the timing pulleys 4ID and B9 Firmly tighten the bolts so that there is 2 5 3 5 mm of give when a 600 50 g load is applied to the center of the timing belt 5 Connectthe two connectors G oft...

Page 39: ...that the centers of the machine pulley e and motor pulley are aligned If they are not loosen the four hex bolts and slide the motor f to adjust the alignment 3 Connect the hall element cord assembly from the pulley to J26 on the circuit board Refer to page 87 4 Positions the slide plates R and L so that there is no gap at the front of the needle plate and so that the gaps on the right and left sid...

Page 40: ...into the arm CD Place the two washers 1 the bearing and the bearing cover D on the fulcrum shaft G 6 Insertthe fulcrum shaft 6 into the screw hole of the face plate 8 I and tighten the nut temporarily 7 Attach the cylinder with the bolt and the spring washer and washer 8 Tighten the fulcrum shaft 6 and the nut so that there is no play right left in the arm G 9 Place the ruler fitting plate on the ...

Page 41: ...ht and left sides 1 Attach the cloth guide 0 to the cloth guide arm with the two screws 8 2 Put the spacers 9 on the fulcrum shaft The number of spacers 9 must meet the gauge size 3 Place the cloth guide arm and the set collar onto the fulcrum shaft and tighten the two screws 8 so that there is no play right left in the cloth guide arm and that the arm moves smoothly up and down down by the spring...

Page 42: ... are tightened too much the knife operation will become too heavy 4 Attach the fixed knife assembly to the face plate C with the four washers spring washers and bolts Be sure the cylinder rod CD and the knife rod are straight and not twisted Also make sure the cylinder rod CD moves easily and does not strike the head when moved up and down by hand The pressure should be adjusted as lightly as will...

Page 43: ...d knife bracket e to the rotary hook base R with the two screws The posi tion will not change when the fixed knife bracket e is fitted against the step in the rotary hook base R 4 Move the cylinder shaft 8 right or left by hand to make sure it moves smoothly and easily 5 Connect the two air hoses to the cylinder 6 Right the machine head and attach the slide plates R and L The fixed knife position ...

Page 44: ...is removed and it is not usually needed After attachment make sure the needle and the carriage feed reference line UR are aligned at the sewing end position 2 Air hoses The steps 1 3 and 4 must be done on the both right and left carriage feeds 1 Connect the air hose to the flap presser cylinder 0 2 Connect the two air hoses to the folding plate cylinder and the S elbow 8 on the left carriage feed ...

Page 45: ...feed there is a 1 mm gap at the back ofthe flap presser L fJ 4 Repeat the same steps for the right carriage feed 5 Gently tilt the carriage feed 6 Attach the connecting shaft supporter to the carriage feed movable base with the bolts 0 7 Attach the flap stopper to the carriage feed with the washer and spring washer and screw CID The flap stopper adjustment may be required depending on the flap sha...

Page 46: ...trol joint 10 Other 1 Make sure that there is no excessive play in any parts that parts do not rub that all screws and bolts are tight and that operation is normal 2 Turn on the air and the power and set MODE to MANUAL 3 Set a piece of material under the carriage feed and operate the treadle Press the start switch to move the carriage feed to the sewing end position Check that the needle is aligne...

Page 47: ... feed 1stitch check start 1 Center knife ON OFF t Stop t Backtack stitch Speed selection feed start reverse 1 t Stop Backtack stitch feed start t I Sewing end Stop ___ 1stitch check position t Stop Tension djscs open Fast feed start I L Fixed knife ON Corner knife Stop Movable knife ON OFF I position __ L Check stacker Begins return to home position t Home position Stop operation I 43 Error monito...

Page 48: ...p position Lockstitch feed Speed selection Movable knife ON OFF start t t Center knife ON E 0 00 Condensed stitch ___ Condensed stitch Speed selection I E 3 02 03 OS start position feed art E 6 01 10 Center knife OFF I Sewing end ___ Stop 2 stitch check position t E 0 00 Stop Tension discs open E 2 02 Fast feed start I E 3 01 02 03 OS I Fixed knife ON E 6 01I 10 Movable nife ON OFF Corner knife St...

Page 49: ... knife FREE J Start switch monitor 1 0 sec delay wiper bar OFF J Stacker sensor activates turns stacker chuck OFF 0 4 sec delay holding bar OFF J J 1 0 sec delay Stacker sewing OFF Start switch monitor J Start switch monitor Regular stitching Stacker switch ON Stacker operates carriage feed stops Start switch monitor cycle sewing end Stacker switch OFF Carriage feed stops ON Stacker switch ON Carr...

Page 50: ...thread Clear Program error X 100 Program 1 X 10 Program 2 X 1 Program 3 Bobbin thread Set Program4 Select Program 5 Corner knife ON Seam length Center knife ON Bobbin thread setting Carriage feed Advance Bobbin thread 2 __ n Bobbin thread display Retract Bobbin thread 2 Bobbin thread display Knife Movable ON Bobbin thread 3 __ Bobbin thread display Fixed ON Bobbin thread 3 Bobbin thread display St...

Page 51: ...t or left carriage feed can operate earlier 5 step operation When wrinkles are not easily formed both of the carriage feeds can operate at the same time 4 or 3 step operation to shorten the cloth setting time PSW27 Determines whether the flap presser on the flap cloth setting side operates at the 4th or 5th treadle position PSW28 Selects the treadle operation PSW31 Automatically adjusts the positi...

Page 52: ...itch pitch 1 4 1 6 1 8 2 0 2 2 2 4 2 6 2 8 mm Machine speed 2200 1925 2200 2200 2000 2200 2031 1886 spm Feed speed 3 0m min 3 96 4 4m min 5 28m min m min PSW21 OFF Condensed pitch 0 8 1 0 1 2 1 4 mm Machine speed 2188 1750 1458 1250 spm Feed speed 1 75 m min Condensed pitch 1 4 1 6 1 8 2 0 2 2 2 4 2 6 2 8 mm Machine speed 1571 1375 1222 1100 1000 917 846 786 spm Feed speed 2 2m min 48 From the lib...

Page 53: ...al position and attach the needle 2 Adjusting the needle and the rotary hook timing Needle Rotary hook point Max O OSmm 1 The gap between the needle and the rotary hook point should be 0 05 mm Loosen the screws and and shift the rotary hook base 0 right or left to adjust the gap 2 The gap between the inside of the rotary hook base 0 and the lower shaft gear should be approximately 0 2 mm Shift the...

Page 54: ...he two screws 0 and turn the rotary hook to adjust the stroke 2 Needle bar height The gap between the needle hole top and the rotary hook point should be 1 1 5 mm when the rotary hook point is aligned with the needle center Loosen the screw and raise or lower the needle bar to adjust the height 5 Adjusting the gap between the rotary hook and the bobbin case opener The gap between the rotary hook 0...

Page 55: ... feed L right or left Loosen the bolt to shiftthe carriage feeds R and L 8 right or left together Adjusting the carriage feed angle The carriage feed should contact a material evenly Adjustment Loosen the screws and 8 to adjust the angles of the carriage feeds and e Parallel Set a piece of material under the carriage feeds and to press the material At this time by pulling the material slightly che...

Page 56: ...justment After loosening the nut 0 adjust the height using the bolt Loosen the bolt to raise tighten the bolt to lower the carriage feeds At this time check that the flap presser does not strike the machine head when setting the power switch to OFF and manually move the carriage feeds back and forth 52 From the library of Superior Sewing Machine Supply LLC ...

Page 57: ...ace 3 When the folding plate is furthest out there should be a gap between it and the needle To check manually pull the cylinder connecting plate 9 towards the needle and move the carriage feed 0 back and forth Adjustment Bleed the air Pull the cylinder connecting plate 0 towards the folding plate by hand Turn the pulley to lower the needle Loosen the nuts and l reduce the gap between the needle a...

Page 58: ...e height Tighten the nut when the height is approximately 30 mm 4 Adjusting the carriage feed and flap presser operating speed Decrease 1 Increase l I 1 Carriage feed descent speed Adjust the speed control joint of the cylinder assembly 0 to the speed at which no shock in carriage feed operation occurs 2 Carriage feed lifting speed Adjust the speed control joint of the cylinder assembly 0 to the s...

Page 59: ...hen tighten the bolts Be sure that the needle descends to the center of the binder needle location 3 Cloth slide plate height When the binder is lowered the gap between the bottom of the binder and the top of the cloth slide plate should be approximately 1 mm standard and these surfaces should be parallel The gap should be enough so thattwo piles of the material will move easily under the binder A...

Page 60: ...spring tension Adjust the tension of the plate spring in the cloth guide 0 The tension will vary with material thickness If the tension too weak the welt may vary or needles may break If it is too strong the welt may be pulled Adjustment Turn the nut clockwise to increase the tension or counterclockwise to decrease the tension 4 Cloth guide movement There should be no play on the right and left si...

Page 61: ...the flap sensor Adjustment Loosen the two bolts shift the cam follower plate G right or left to adjust the height Then tighten the bolts Ifthe retention hook 0 is too high a needle thread might not be retained properly If it is too low a thread might cast off the needle at sewing start 2 Make sure the retention arm t9 moves easily by its own weight 57 From the library of Superior Sewing Machine Su...

Page 62: ...rew in the presser bar guide 9 When the center knife guide 0 is down the power OFF raise or lower the presser bar guide so that the gap between the presser bar guide and the bush is 5 mm Turn the presser bar CID so that the guide 0 is par llel to the fixed knife Then tighten the screw fj 3 The gap between the center knife CD and the center knife guide 0 should be 0 5 mm Adjustment The gap will cha...

Page 63: ...ight as the center knife guide 0 Adjustment Loosen the two stud screws e and raise or lower the center knife so that the gap between the center knife and the needle plate top is 8 mm Tighten the screws e Attach the center knife guide so that it contacts the back of the knife bracket and so that the r center knife does not contactthe fixed knife 59 From the library of Superior Sewing Machine Supply...

Page 64: ... the drive arm Change the angle of the upper knife rock shaft 8 so that the center knife is 4 mm above the needle plate top Tighten the screw At this time check that the needle clamp does not hit the center knife holder by turning the pulley c Check that the stroke is 6 6 mm 2 Make sure that the center knife reaches its down position with a slight delay after the needle bar reaches its down positi...

Page 65: ...operly Check for correct knife pressure 1 After turning off the power and the air supply set a thread over the fixed knife 2 Turn the pulley while raising the link ball by hand When the center knife 0 descends and crosses with the fixed knife check that the thread is cut 3 When the center knife 0 crosses with the fixed knife the pulley should not get stiff and the center knife 0 should move smooth...

Page 66: ...ment is the reverse of removal Cautions on attachment Increase pressure 0 Align the center knife with the screw hole in the center knife bracket and secure it with the screw e 0 The tip of the center knife should be 8 mm above the needle plate top Align the knife with the center knife guide bottom 0 Set the power switch to ON and make sure the center knife tip does not protrude from the center kni...

Page 67: ...late 8 The pin should be on the left side of the cylinder lever stopper e and there should be a small gap Adjustment Turn off the power and the air supply and extend the cylinder rod Loosen the nut S on the cylinder Extend or retract the cylinder rod so that there is a small gap between the pin and the left side of the stopper plate 9 Then tighten the nut 63 From the library of Superior Sewing Mac...

Page 68: ...f its stroke there should be a 1 5 2 0 mm gap to the top of the cloth slide plate Adjustment Loosen the nut e in the cylinder assembly 8 and extend or retract the cylinder rod to adjust the gap Extend the rod to decrease the gap Retract the rod to increase the gap 64 From the library of Superior Sewing Machine Supply LLC ...

Page 69: ... place so that the cushion on the back of the carriage feed does not wear 4 Press the start switch The carriage feed will move to the sewing start position 5 Set THREAD TRIMMER to UPPER The movable knife 0 will descend Adjust the timing of when the thread trimmer becomes OFF using the movable knife sensor 6 Slide the movable knife sensor up or down and secure where the movable knife e does not str...

Page 70: ...wer switch to OFF 4 Remove the screw G and the movable knife 8 5 Remove the screw CD and the fixed knife 8 Attachment is the reverse of removal Caution on attachment 0 There should be no gap between the fixed knife 8 and spring and the movable knife 8 The fixed knife 8 and the spring should be pressed properly Increase the pressure if the knife does not cut properly Refer to page 38 66 From the li...

Page 71: ... plate knife holes Adjustment 1 Loosen the bolt in the knife holder L 9 2 Move the knife holder L e ri ght or left Tighten the bolt to where the rod moves easily There is usually no need to loosen the bolt 6 in the knife holder R However if the right knife is not positioned properly or if the cylinder rod is stiff loosen the bolt 6 in the knife holder R and adjust the position of the knife holder ...

Page 72: ...ife operates when the cylinder rod retracts Adjustment Loosen the bolt eI and move the fixed knife 0 up or down to adjust the height Turn the knife 0 right or left so that the knife 0 is parallel to the channel in the needle plate when the knife 0 operates when the cylinder rod extends to the left Then tighten the bolt Sew to make sure there are neither thread trimming errors nor thread retention ...

Page 73: ...6 Loosen the two screws C9 and right the machine head 7 Remove the right front cover f then remove the fixed knife D from the underside of the table Attachment is the reverse of removal Cautions on attachment 0 Be sure the fixed knife D does not extend above the needle plate top 0 When the cylinder rod is fully retracted the groove in the fixed knife D should be aligned 69 with the groove in the n...

Page 74: ... CHANGE CYCLE PGM raise the corner knife and bleed the air The corner knife cutting position should be 1 mm inside as shown in Fig a Loosen the bolt 0 on the sewing end side and move the slider back and forth to adjust it then tighten the boltO Loosen the bolt 9 on the sewing start side and adjust the slider back and forth so that the gap between the back sides of the two corner knives is 2 mm the...

Page 75: ...Sew to confirm the above dimensions 3 Adjusting the corner knife right left position angle standard X X z t The sewing end position of the corner knives should be 1 mm inside the seam as with the sewing start position shown in Fig c and Fig d on the preceding page The right and left gaps should also be identical Adjustment Sewing start side Loosen the two bolts I move the slide guide R e right or ...

Page 76: ...our hands away from the rising knife 4 Turn the air cock e to stop the air supply Bleed the air The display shows IIAIR OFF II 5 Loosen the screw CD and replace the corner knife Align the edge of the corner knives with the edge ofthe slider f 6 After rep lacing the knives turn the air cock 9 to restore the air supply 7 Press EMERGENCY STOP The alarm will sound twice the carriage feeds and the flap...

Page 77: ...IFE KNIFE 2 Set CORNER KNIFE and CENTER KNIFE to ON 3 Set a piece of material in place and press the start switch e 4 When the corner knife operates after sewing adjust the position of the sensor where the alarm stops Make sure the blade of the corner knife cuts the material at this time If the sensor position is too low the corner knife will not rise enough 73 From the library of Superior Sewing ...

Page 78: ...2 Small gauge 28 190 47 209 Large gauge 36 190 47 201 Smallgauge Largegaug 1 t3 t4 ts t t2 t t2 t4 m m 237 124 361 237 120 357 Because the cutting length of the large knives L for the large gauges 16 18 20 mm are 4 mm longer than that of the small knives S for small gauges 8 10 12 14 mm the dimensions below will be measured with the large or small gauge 74 No stitch feed t4 Min sewing length Small...

Page 79: ...over both knives to increase width 1 6 mm 2 To increase the cutting length by attaching the corner knife L on the small gauge Cutting width increases 0 8 mm Cutting length increases from 7 5 mm to 11 5 mm Set DIP switch 3 1 to OFF and turn the knob to bring the corner knife 4 mm closer to the front Cutting width according to gauge size 8 10 12 14 16 18 20 Standard 6 8 10 12 14 16 18 One corner kni...

Page 80: ...2 Adjusting the padding cloth presser foot spring L height 76 1 When the padding cloth presser foot spring L 0 is raised the padding cloth pusher should be 2 mm higher than the table Adjustment Remove the two screws and the cylinder assembly e from the table Loosen the nut and adjust the length of the cylinder rod then tighten the nut Remount the cylinder assembly 8 to the table with the screws 2 ...

Page 81: ...ase the ascend speed and loosen it to increase the speed Tighten the screw 9 of the cylinder assembly to decrease the descend speed and loosen it to increase the speed 2 Adjusting the padding cloth presser foot L ascend speed The ascend speed should be adjusted to be as fast as possible without shock in presser foot operation Adjustment Tighten the screw f of the cylinder assembly to decrease the ...

Page 82: ...move the front cover loosen the nut 9 in the tension release cylinder assembly and adjust the length of the cylinder rod to obtain the above 1 2 mm gap Then tighten the nut eI and remount the front cover 2 Make sure the play in the needle thread tension disc is at least 0 5 mm when the tension release operates the power OFF not sewing Adjust the pusher as above and the thread tension 1 _ 2mm From ...

Page 83: ...se the number 2 Stacker table angle The stacker table can be adjusted to one of seven angles depending upon the hole in the stacker table 0 into which the table supporter bar is inserted When the above stacker table 0 height and angle adjustments have been completed move the stacker arm 0 in the direction of normal operation by hand to make sure the arm does not strike the stacker table 0 Ifthe ar...

Page 84: ...angle 80 There should be at least a 5 angle in the sub table 0 when the table is raised The table will not rise if adjustment 3 above is not correct Adjustment 1 Loosen the four bolts 2 To remove any play right left slide the sub table supporter e towards the center and move the sub table 0 Move the sub table 0 back and forth so that the front back edge of the sub table 0 is flush with the table a...

Page 85: ... arm e is parallel to the table surface then tighten the bolts 2 Loosen the four bolts in the two pillow blocks I adjust the stacker arm e so that it is parallel with the edge of the table then tighten the bolts 3 Loosen the two bolts I adjust the fitting plate vertically so that the chuck holder is positioned at the center of the sub table 0 I then tighten the bolts fJ 81 From the library of Supe...

Page 86: ...y is flush with the edge of the sub table 1 then tighten the nut e 3 The standard opening of the chuck holder assembly should be 35 mm Adjustment 1 Loosen the nuts and 2 Tighten the nut 4i towards the slide guide 8 to decrease the opening and loosen the nuts t9 away from the slide guide to increase the opening 3 When the position is adjusted tighten the nuts and 9 4 Tighten the nut to hold the sto...

Page 87: ...ckup type stacker operating speed and the stop cushion Adjusting the cushion when stopping towards A Towards A Tighten the screw 8 to decrease the stop speed loosen the screw 8 to increase the stop speed 83 Adjusting the cushion when stopping towards 8 Tighten the screw to decrease the stop speed Loosen the screw to increase the stop speed The pickup type stacker cannot be used unless the material...

Page 88: ...Stacker bar stop position Parallel 1 r______ 1 ITable I I I f Parallel Make sure the stacker bar stops 20 mm from the frame 0 I and is below and parallel to the table Adjustment 1 Loosen the nut in the cylinder assembly 1 adjust the length of the cylinder rod so that the stacker bar e is 20 mm from the frame 01 then tighten the nut 9 2 Loosen the four bolts in the pillow block adjust the stacker b...

Page 89: ... arm to the foot switch lever 9 with the two screws so thatthere is no play right left c Position the arm so that D when the treadle is pressed back the photocoupler actuator plate 0 breaks the top photosensor when the treadle is pressed forward the top of the photocoupler actuator plate 0 is free of the bottom photosensor fJ Fine adjustment can be made by loosening the screws and moving the photo...

Page 90: ... base G Insert the flap spacer 8 between the sensor base and the spring base G and tighten it halfway with the screws to the spring base e Secure the sensor base so that the cloth guide 8 rises at least 5 mm The flap spacer 8 and the screws 8 should be replaced corresponding to the gauge width 3 Flap sensor right left position Loosen the bolts CID and the nut CD so that the both right and left fla...

Page 91: ...ch start switch thread breakage monitor P25 Position sensor cylinder sensor J26 Synchronizer P27 Machine motor circuit board P28 Power supply unit P29 Solenoid valve P30 DC motor circuit board 5 When attaching the main circuit board refer to the following and reverse the removal procedure above Firmly connect the connectors and lock those with locks Make sure the PROM is connected Set DIP switches...

Page 92: ...2 4P connector 2P connector DC motor encoder Power supply unit DC motor 5 When attaching the DC motor circuit board refer to the following and reverse the removal procedure above Firmly connect the connectors and lock those with locks The switches are set prior to shipping Confirm the settings and do not change them Switch STEPU s Switch STEPL 4 Switch HPU s Switch HPMU s Switch 4D HPML E Switch H...

Page 93: ...ctor assignments P1 Power supply unit P2 Power supply unit P3 Main circuit board 5 When attaching the machine motor circuit board refer to the following and reverse the removal procedure above Firmly connect the connectors and lock those with locks Make sure the PROM is connected Make sure the fuses F1 F4 are the correct ones Fuse F1 3 2A Fuse F2 1 0A Fuse F3 1 0A Fuse F4 1 0A From the library of ...

Page 94: ...Remove the screw 8 I and remove the panel circuit board 5 Connector assignments P1 0 Main circuit board P11 Panel operation switch P12 Buzzer 6 When attaching the panel circuit board i refer to the following and reverse the removal procedure above Tighten the screw 8 where the switches on the panel circuit board operate correctly Firmly connect the connectors and lock those with locks 90 From the ...

Page 95: ...ensor 8 When attaching the flap circuit board refer to the following and reverse the removal procedure above Firmly connect the connectors and lock those with locks Controls VR1 and VR2 on the flap circuit board are used as a supplement to adjust the sensitivity on the cover If the adjustment can be completed with the control on the cover adjustment of VR1 and VR2 is not necessary VR1 Right flap s...

Page 96: ... and reverse the removal procedure above Firmly connect the connectors and lock those with locks Make sure the photosensor on the circuit board does not contact the photocoupler actuator plate Also confirm that the operation position of the photocoupler actuator plate is as described in Adjusting the foot switch on page 85 The position of the photocoupler actuator plate to the circuit board should...

Page 97: ...chine Cloes not operate Fuse SA High voltage power supply Error message E 3 03 or E 3 05 appears Fuse 5AFB Machine motor power supply Error message E 2 01 appears Fuse 2A Thread winding motor power supply Thread winding motor does not operate Fuse 5AFB is a fast blow fuse all others are standard B6 4 x 30 m m 2 Circuit board fuses The machine motor circuit board is the only circuit board with on b...

Page 98: ...te valve units by referring to the air hose codes in the figure below 0 Binder Upper Center Padding Thread Bobbil Corner Corner Folding Carriage Carriage knife knife cloth tension thread knife knife plate feed left feed presser knife right foot 94 From the library of Superior Sewing Machine Supply LLC ...

Page 99: ...rough the hole in the table and connect it to the circuit board Easily adjusts the flap length after flap sewing has been completed Attachment 1 Pass the flap guide pin 0 through the back of the carriage feed U R and secure it with the nut 2 Fit the hole of the flap guide 8 over the flap guide pin 0 and secure it 3 Adjust the position of the flap guide pin 0 so that the number on the side of the h...

Page 100: ...achine operation when standing up Used in place of the knee switch Attachment 1 Attach the hand start switch assembly 0 to the control box support 8 with the two bolts 2 As shown in the figure pass the code through the hole in the table 3 Connectthe connectorto the 2P connector If the knee switch is connected connect the hand switch connector in its place 96 From the library of Superior Sewing Mac...

Page 101: ...rence Attachment 1 As shown in the figure above attach the marking Iight assembly 0 with the bolts 2 Hold the cord together with the cords from the other two lights and connect the connector The connectors can be plugged into either hole 97 From the library of Superior Sewing Machine Supply LLC ...

Page 102: ...tion to Rotary hook lubrication Adjust lubricating oil 1 rotary hook assembly supply Thread breaks Improper thread take up Thread take up spring 1 1 See Thread tension Skipped stitches spring rension and stroke stroke and tension r Rotary hook point Polish rotary hook point damaged Improper needle and Set gap to 0 0 15 mm needle guard gap IImproper threading Threading See Threading thread Improper...

Page 103: ...ension is Bobbin thread tension 1 Set it asweek as possible too high Thread take up spring is Thread take up spring __ Set itas week as possible 1 too strong tens1on Thread take up spring t Thread take up spring _ Set it as small as possible t stroke is too large stroke Improper cloth guide See Adjusting cloth guide height page 56 t height Sewing speed is too fast Decrease sewing speed J Replace m...

Page 104: ...nt Proper spring pressure 1 See Adjusting pressure Retention not properly r Height when retention 1 See Adjusting retention adjusted arm is raised page 57 Excessive knife pressure See II Adjusting knife makes operation heavy pressure Knife tip is too low Knife position See II Adjusting fixed knife page 67 Improper bobbin See II Adjusting fixed thread trimming unit Bobbin thread trimming misses ins...

Page 105: ...e Adjusting retention an 1 retention too Iittle page 57 Thread not loose during thread trimming Adjust tension release Bobbin thread not Bobbin thread winds in _running in normal the same direction rotary direction hook rotates Bobbin races during Bobbin wound over Wind bobbin less than _ thread trimming 80 80 capacity Racing prevention Replace racing _spring tension too week prevention spring Nee...

Page 106: ...te free See Folding plate page 53 Carriage feed not parallel Install so feed parallel to Welting width not r to needle needle See Installing identical at feed unit page 55 sewing start and end Carriage feed not parallel Binder straight to Install binder straight to to binder 1 needle 1 r needle Install carriage feed parallel to binder See Carriage feed page 51 Insufficient gap between See Adjustin...

Page 107: ...e Adjusting corner Improper corner slider installation knife position knife position right left Air pressure 5 0kg cm2 1 Set air pressure to 5 0 Insufficient carriage feed kg cm2 pressure Carriage feed hold See Carriage feed entire bodice 1 page 51 Defective corner knife Replace See lnstalling corner knife Improper center knife a 6 5mm See Adjusting center 1 8 14 mm gauge 1 position front back 16 ...

Page 108: ...See Carriage feed entire bodice page 51 pressure Check carriage feed Install correctly See Carriage feed operat1on r Low air pressure Air pressure 5 0kg cm2 1 Set air pressure to 5 0 kg cm2 Excessive load during Heavy operating parts Adjust See each operation adjusting procedure Cylinders do not Defective cylinder Bent rods Replace cylinder See adjusting procedure operate H Defective air tube Air ...

Page 109: ...ed D E 0 00 Displayed when carriage feed is moving cause Check Solution Page 1 Emergency stop switch Normal operation See reset procedure and reset 33 pressed during carriage feed lnst operation ruction manual 2 Emergency stop signal Emergency stop switch Replace emergency stop 90 received during carriage conductivity switch feed operation 3 Defective emergency stop Replace main circuit board 87 c...

Page 110: ...ctor short 4 and 8 pins in relay panel if error code goes out check foot switch circuit board if it does not go out check main circuit board E 1 02 Displayed when power is turned on 1 Treadle depressed Normal operation Release treadle so it returns to neutral 2 Improper positioning of Remove cover and check position Readjust treadle photosensor actuator 3 Defective tread Ie signal Disconnect relay...

Page 111: ...in operationisextremelyheavy specified time First stitch signal not received 2 Machine V belt off 3 Pully screws loose 4 Disconnected connector 5 Blown fuse 6 Short in harness V belts Mount belt Set screws in pully Tighten Main circuit board connector J27 Reconnect connector Machine motor circuit board connectors J1 J2 J3 Machine motor connector Power supply unit SAFB fuse Fuse page 93 Machine mot...

Page 112: ...ain circuit board 87 sensor or sensor circuit far from On when close to 4 Defective DC motor Replace DC motor 31 34 encoder E 3 01 Displayed when carriage feed is at corner knife operating position or moves to home position 1 Improper positioning of end Cut power supply when error is Readjust overrun sensor displayed disconnect main circuit board connector J25 and check conductivity at pins 5 and ...

Page 113: ...iage feed operation is Adjust if operation is heavy stop heavy 2 Disconnected connector Main circuit board connector J25 Reconnect connector 87 DC motor circuit board 2P 88 connector and connector CN3 3 Blown fuse Power supply unit SA fuse Replace fuse Make sure 93 Fuse page 93 carriage feed is not heavy before power is turned on 4 Improper positioning of Disconnect main circuit board Readjust hom...

Page 114: ...rrors E 4 10 is for left flap errors 1 Dust or other obstruction on Clean sensor and reflector flap sensor reflector folding plate or emitter 2 Improper positioning of flap Check sensor operation with flap Readjust sensor sensor adjustment 3 Disconnected connector or Main circuit board connector J23 Reconnect connector short in harness including Flap circuit board connector J13 flap sensor J14 J15...

Page 115: ...Thread breakage 2 Defective thread breakage Make sure detector threading is Thread correctly detector operation correct Make sure pully is turned by hand Replace thread breakage easily detector 3 Disconnected connector or Relay panel 9P connector Reconnect connector short in harness including Thread breakage sensor harness Replace thread breakage thread breakage sensor conductivity sensor 4 Defect...

Page 116: ...ge or power supply wiring connector improperlywired 3 Blown fuse Power supply unit 6A fuse Fuse page 93 Replace fuse 4 Loose screw in breaker Screws in power supply outlet Tighten transformer breaker transformer fuse holder 5 Short in breaker Check conductivity Replace parts transformer noise filter 6 Defective power supply circuit main circuit board or panel circuit board Replace power supply uni...

Page 117: ...Power supply transformer 40 Tighten and 41 terminals 4 Improper adjustment or Check conductivity Readjust or replace switch short in thread winding unit switch 5 Defect or short in thread Check voltage Repair short or replace parts winding power supply circuit 6 Defective thread winding Replace thread winding motor motor Marking lights do not light 1 Disconnected connector Marking light relay conn...

Page 118: ...ct connector 90 short in harness control box cover 2 Defective digital switch Replace digital switch Abnormal noise during corner knife operation 1 Improper positioning of Readjust 70 corner knife sensor 2 Defect or short in corner Replace corner knife sensor knife sensor Movable knife strikes folding plate during operation 1 Improper positioning of Readjust 64 movable knife sensor 2 Defect or sho...

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Brother BAS-600, Service Manual

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