Brother BE-438D Service Manual Download Page 21

Page: 21 / 107

From the library of: Superior Sewing Machine & Supply LLC

Summary of Contents for BE-438D

Page 1: ...his manual before using the machine Please keep this manual within easy reach for quick reference ELECTRONIC DIRECT DRIVE LOCKSTITCH BAR TACKER ELECTRONIC DIRECT DRIVE LOCKSTITCH BUTTON SEWER From the library of Superior Sewing Machine Supply LLC ...

Page 2: ...gs of these indications and symbols are given below Indications A DANGER The instructions which follow this term indicate situations where failure to follow the instructions will almost certainly result in death or severe injury A cAUTION The instructions which follow this term indicate situations where failure to follow the instructions could cause injury when using the machine or physical damage...

Page 3: ... Machine installation should only be carried out by a Y qualified technician 0 Contact your Brother dealer or a qualified electrician for any electrical work that may need to be done A The sewing machine weighs approximately 56 kg V The installation should be carried out by two or more people f Do not connect the power cord until installation is Y complete otherwise the machine may operate if the ...

Page 4: ...ive goggles and gloves when Y handling the lubricating oil and grease so that they do not get into your eyes or onto your skin otherwise inflammation can result Furthermore do not drink the oil or eat the grease under any circumstances as they can cause vomiting and diarrhoea Keep the oil out of the reach of children Maintenance and inspection tC Maintenance and inspection of the sewing machine Y ...

Page 5: ...shock and problems with correct operation may also occur Direction of operation Thread take up cover 4 Finger guard KE 430D BE 438D 2 A A B lb U t ltil f1 tl i i l i l f lt c 6Ulfllll f tt c Uf Cil i tti L 1 ttOl i tiDII KIUilfTt c A CAUTION Moving parts maycause injury Operate with safety devices Tum off main switch before threading changing bobbin and needle cleaning etc Safety devices Eye guard...

Page 6: ...a read write mode 20 3 5 Writing additional sewing data to the CF card 20 3 6 Reading memory switch data 21 3 7 Writing memory switch data to the CF card 21 3 8 Reading user program data 22 3 9 Writing user program data to the CF card 22 3 10 Updating the control programs 23 3 11 Writing error log data to the CF card 24 6 4 Thread nipper mechanism 46 6 5 Work clamp lifter mechanism 47 6 6 Feed mec...

Page 7: ...3 7 17 Adjusting the home position 74 7 17 1 X V feed home position 74 7 17 2 Work clamp lift home position 75 7 18 Adjusting the position of the thread nipper 76 7 19 Adjusting the needle up stop home position 78 7 20 Adjusting the needle up stop position 79 7 21 Checking the machine head switch 80 8 Applying grease When GREASEUP appears 81 9 ELECTRIC MECHANISM 84 9 1 Precautions at the time of a...

Page 8: ...ch can be added Work clamp lifter Pulse motor driven mechanism Work clamp height 17 mm max 13 mm max Button clamp height Rotary hook Shuttle hook shuttle hook 2 optional Shuttle hook Wiper device Standard equipment Thread trimmer device Standard equipment Thread nipper device Standard equipment Data storage method Flash memory Any sewing pattern can be added using CF card Number of user programs 5...

Page 9: ... 4546Q Refer to the Instruction Manual method 2 Memory switch setting mode Advanced 7 Q 04542Q 3 EJ 5 3Q Refer to 2 7 Clearing saved data Initialization 4 Error log display function lmt J3 _ T STEP EJ 4544Q Refer to 2 8 Checkin the error histo 5 Input check function D 0 4545Q li ll l STEP EJ 4547Q Refer to 2 11 Confirmin software version 8 Home position adjusting mode 9 ty IB J D STEP _ s P u 4548...

Page 10: ...ion Manual 2 3 Lower thread counter setting mode STEP 4490Q Refer to the Instruction Manual Production counter setting mode ri 4491Q STEP Refer to the Instruction Manual 4 Production counter temporary display function When the SPEED indicator lights Iii 4492Q 6 Parallel movement mode Referto 2 6 X Y rallel movement for sewi 7 Grease up counter setting mode Refer to 8 A 8 CF data read write mode Re...

Page 11: ... tile iiumilerii a wtiil j i 9 thesi CEcr it y j iiie K v i y memory switches that have been changed from The numbers of memory switches that have been default settings 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 4555Q 3 Ending setting mode Press the TEST key TEST i...

Page 12: ... is illuminated test feeding will move foiWard one stitch at a time when the machine pulley is turned by hand Production counter display 300 OFF Lower thread counter display OFF ON Production counter display User programs 400 OFF Disable OFF ON User program mode is enabled Cycle programs 401 OFF Disable OFF ON When sewing user programs the set programs are sewn in numeric order Units display for p...

Page 13: ...ead take up will rise slightly at the sewing start and this may result in the thread pulling out under certain conditions Speed for the first stitch at the sewing start Units x 100 rpm 151 4 32 ForKE 430D r 27 FCirEIE 38ti S_Qeed for the second stitch at the sewing start Units x 100 rpm 152 4 32 ForKE 430D r 21 FCirEIE 3ati 4 Speed for the third stitch at the sewing start Units x 100 rpm 153 4 32 ...

Page 14: ...ed plate will be returned to the sewing start point via mechanical home position Feed speed 1 100 mm s Slow 251 2 200 mm s 1 3 300 mm s 4 400 mm s 5 500 mm s Fast High speed test feed 252 OFF Normally slow but becomes faster when the foot switch is depressed to the 1st st OFF ON Test feeding is carried out at the same speed as normal sewing Home position detection method 253 OFF Depress foot switc...

Page 15: ...imitations for user programs 452 OFF No limitations OFF ON Changing user program details is not allowed D ta dlf tf a e mgse mgs No Setting range Setting items Default X direction sewing area limitation units mm 460 0 40 For KE 430D 40 o F orse43so 1 Y direction sewing area limitation units mml 461 0 30 For KE 430D 30 a 7 F orse43ao _______7_______ EnlargemenVreduction reference point 462 OFF Cent...

Page 16: ...down once no vertical work clamp movement when the setting value for memorv switch No 050 is 2 750 Operates continuously while the foot switch is being depressed after the work 0 2 clamp moves up and down twice no vertical work clamp movement when the setting value for memory switch No 050 is 2 Operates continuously while the foot switch is being depressed after the work 3 clamp moves up and down ...

Page 17: ...r memory switch No 050 Setting range Setting items 1 Single pedal Work clamp is raised automatically 2 Work clamp is raised by depressing the foot switch 3 Work clamp is raised automatically then it is lowered by depressing the Two pedals work clamp switch 4 Work clamp is kept lifted while the work clamp pedal is depressing the work clamp switch 10 KE 4300 BE 4380 4556Q From the library of Superio...

Page 18: ...o that the X SCALE or Y SCALE indicator flashes Select either indicator The feed mechanism moves by 0 05 mm each time the A or Y key is pressed If the movement is over 10 mm the steps change to 0 1 mm For X scale parallel movement mode the relative movement of the needle is to the right when the A k is pressed and the movement is to the left when the T key is pressed For Y scale parallel movement ...

Page 19: ...r brothef O CAUTION J _ r PPOORIMNo 0 X SCAI E oJ Y Y SCAI E ot SPEED 0 000 Ofll 1 1 1 1 1 r I IICOUNTER I_ _ 0 LSPRIT NO 1111 8888U TEST indicator lights Menu indicators switch off PROGRAM No The parameter number will appear in the PROGRAM No display and the setting for that parameter will flash in the menu display 4562Q4421Q Press the i or V key to select the parameter number for the item that i...

Page 20: ...the error codes will be displayed in the menu display 3 2 Press the ll or V key 4 to change the order of the error history number 3 Press the TEST key 5 to return to the normal display The sewing machine will switch to home position detection standby o 1 1sp1ay examples Details PROGRAM No display 2 Menu display 3 When there is no error history 000 E 1 When error E110 is displayed first 001 E110 Th...

Page 21: ... 3 Refer to the input check list to check the key and sensor responses 4 When returning to normal operation tum power off and then on again Input check list PROGRAM No display Menu display Check items and checking methods Check code Abbreviation Input status 1 orX H I L X feed shaft motor home position sensor position Move the feed mechanism manuallv in the X feed direction 2 EnX 999 999 X feed sh...

Page 22: ...rk clarno switch to the 2nd steo 151 Stt on I oFF Start switch Depress the foot switch to the 2nd steo on Stop switch 16 EMC on t f Press the stop switch 17 Hed on I oFF Machine head switch lilt back the machine head 18 EXE on I oFF External input error detection Thread nipper home position sensor Press the A key to move the thread nipper in the home position 191 CAH on I oFF direction Press the T...

Page 23: ...lay Function Check code Abbreviation 51 PM X When you press the key the work clamps move to the left When vou cress the T kev the work clamcs move to the rioht 52 PM y When you press the A key the work clamps move forward When vou press the T kev the work clamcs move back 53 PM F When you press the key the work clamps rise When vou cress the T kev the work clamps drop When you press the A key the ...

Page 24: ...ll be displayed in the menu display 2 Keep pressing the key 1 until the model name is displayed and the buzzer beeps once 2 The PROGRAM No display 4 will change as follows each time the li or V key 3 is pressed PROGRAM No display 4 Software 1 Mn Main CPU r2 Mtl Motor CPU r3 PL 1 Panel CPU 3 Press the TEST key 5 to return to the normal display The sewing machine will switch to home position detecti...

Page 25: ...anDisk or HAGIWARA SYS COM CF cards from other manufacturers can be used but different formatting methods may mean that reading or writing to such cards may not be possible For additional information refer to the instruction manual included with the CF cards that you have purchased This product is compatible with CF cards that have been formatted using the FAT16 method Cards that have been formatt...

Page 26: ...ng mode Refer to the read write mode list TEST indicator and CF media indicator li ht 4574Q 4 Press the 11 or V key to select the mode PROGRAM No I Read write mode list PROGRAM No Menu display Setting items display r 1 SEd Additional sewing data is read from the CF card w2 SEd Additional sewing data is written to the CF card r3 MEM Memory switch settings are read from the CF card w4 MEM Memory swi...

Page 27: ...Press the TEST key Tum off the power switch and then remove the CF card 3 5 Writing additional sewing data to the CF card 1 Selecting the w 2 CF data read write mode Press the R W key 2 3 PROGRAM No I _ o la tC T STEP 1 1 I I If L L la tC T STEP ED II STEP PROGRAMNo o _ While writin 4 Ending read write mode TEST indicator switches off SEd will change to ALL 4578Q Press the or T key to select the p...

Page 28: ...the operation is complete Turn off the power switch and then remove the CF card 458IQ 3 7 Writing memory switch data to the CF card 1 Selecting the w 4 CF data read write mode PROGRAMNo o Hl 2 3 Ending read write mode liCit G i B T STEP mm STEP While writin TEST indicator switches off 4582Q Press the RIW key II The buzzer will sound and the memory switch data will be copied from the internal memor...

Page 29: ...ing data has been incorporated into a user program this operation will not read the additional sewing data You will need to read the additional sewing data separately Refer to 3 4 Reading additional sewing data 4581Q 3 9 Writing user program data to the CF card 1 Selecting the w 6 CF data read write mode PROGRAMNo oi Il 2 3 Ending read write mode 22 B J STEP While writin TEST indicator switches of...

Page 30: ...ff the power switch and then remove the CF card Note The version upgrading takes about 3 minutes fhe time taken varies depending on the CF card manufacturer and the card s capacity Never remove and reinsert the card or tum off the power switch while reading is in progress 458IQ Recovery procedure if an error occurs during version updating If the version update does not complete normally because of...

Page 31: ...ding read write mode 24 While writin TEST indicator switches off 4587Q Press the RfW key II The buzzer will sound and the error log data will be copied from the internal memory onto the CF card 4579Q Press the TEST key Turn off the power switch and then remove the CF card KE 430D BE 438D From the library of Superior Sewing Machine Supply LLC ...

Page 32: ... KE 430D BE 438D 4 MECHANICAL DESCRIPTIONS 1 4504Q 1 Pulley 2 Upper shaft 3 Thread take up crank 4 Needle bar crank 5 Needle bar connecting rod 5 Thread take up lever assy 6 Needle bar clamp 6 Thread take up support 7 Needle bar 1 4505Q 1 Pulley 2 Upper shaft 3 Crank rod assy 4 Rock gear 5 Lower gear 6 Lower shaft 7 Driver 8 Shuttle hook 25 From the library of Superior Sewing Machine Supply LLC ...

Page 33: ...mp arm lever 11 Work clamp 7 4506Q When the work clamp pulse motor is turned off the work clamp lifter plate rises and work clamps lower 26 BE 4380 When the work clamp pulse motor is turned off the button clamp rod rises and button clamps lower KE 4300 BE 4380 Button clamp rod B Button clamp lever 4507Q 9 Button clamp holder hook assy 10 Button clamp holder shaft 11 Button clamp From the library o...

Page 34: ...ead wiper operates in the opposite direction KE 430D BE 438D 4 MECHANICAL DESCRIPTIONS 6 4508Q 1 Work clamp pulse motor 2 Gear 3 Cam gear 4 Cam shaft 5 Thread wiper cam 6 Driving lever 7 Wiper rod 8 Connecting plate 9 Wiper 27 From the library of Superior Sewing Machine Supply LLC ...

Page 35: ... X direction 4509Q 1 Pulse motor X assy 2 Feed gear 3 X feed gear 4 X feed lever 5 Regulator block assy 6 Feed bracket sub assy Y direction 4510Q 1 Pulse motor Y assy 2 Feed gear 3 Y feed rack shaft 4 Y connecting pin 5 Feed bracket sub assy 28 KE 430D BE 438D From the library of Superior Sewing Machine Supply LLC ...

Page 36: ...lever 3 Pushing lever 4 Driving lever 5 Thread trimmer collar 6 Thread trimmer cam 7 Thread trimmer rod V 8 Thread trimmer lever V 9 Thread trimmer lever H 10 Thread trimmer rod H 11 Movable knife lever 12 Movable knife connecting plate 13 Movable knife 14 Fixed knife 29 From the library of Superior Sewing Machine Supply LLC ...

Page 37: ...sion release bar 4 Tension release pin 4 8 Thread nipper mechanism 1 Thread nipper pulse motor assy 2 Motor lever 4513Q 3 Connecting plate 8 4 Thread nipper lever 5 Connecting plate F assy 6 Thread nipper D assy 7 Thread nipper U 30 KE 4300 BE 4380 From the library of Superior Sewing Machine Supply LLC ...

Page 38: ...Furthermore do not drink the oil or eat the grease under any circumstances as they can cause vomiting and diarrhea Keep the oil out of the reach of children 8 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 Any problems in machine operation which result from unauthorized modific...

Page 39: ...read guide 4 Nuts 2 pes Adjusting screw 7 9 Compression spring Push upward and remove horizontally KE 4300 BE 4380 1 Set screw 2 Needle 3 Needle bar thread guide 4 Bolts 2 pes 5 Work clamp arm assy 6 Screws 2 pes 7 Feed plate 4516Q 5 Set screws 2 pes Loosen 6 Button clamp holder shaft 7 Button clamp holder 8 Screws 2 pes 9 Feed plate From the library of Superior Sewing Machine Supply LLC ...

Page 40: ...ew Loosen 4518Q 13 11 Needle bar connecting rod 12 Needle bearing 13 Oil cap 5 DISASSEMBLY 4519Q Do not remove the slide block guide if possible to prevent the machine from overheating due to needle bar rubbing 14 Set screws 3 pes Loosen 15 Needle bar crank 16 Needle bearing 17 Threadtake upleverassy 18 Washer 19 Bolts 2 pes 20 Slide block guide KE 4300 BE 4380 33 From the library of Superior Sewi...

Page 41: ... Set screws 2 pes loosen 34 KE 4300 BE 4380 If the motor assembly cannot be removed insert bolts into these two tapping holes and gradually tighten them to remove the motor assembly 4520Q 13 Set screws 2 pes loosen 14 Set screws 2 pes loosen 15 Set screws 2 pes loosen 16 Set screws 2 pes loosen 17 Screws with washers 3 pes loosen 18 Pulley 19 Bolts 4 pes loosen 20 Motor assy 21 Thread trimmer cam ...

Page 42: ... Loosen 6 Adjusting stud Pull out 7 Lower shaft assy Pull out from the rear of the machine 8 Wick 9 Set screws 2 pes Loosen 10 Set screw Loosen 11 Set screw collar R 12 Set screws 2 pes Loosen 13 Set screw collar B 14 Rock gear shaft Pull out from the rear of the machine 15 Rock gear 16 Crank rod Lower part KE 4300 BE 4380 35 From the library of Superior Sewing Machine Supply LLC ...

Page 43: ...assy 9 Feed bracket sub assy 10 Bolts 3 pes 11_Feed bracket support plate 12 Bolts 2 pes 13 Plain washers 3 pes 14 Y motor setting plate Pulse motor y assy 15 Y feed rack shaft 16 Set screw Loosen 17 Eccentric shaft 18 Bolt 19 X feed gear 20 Bolts 3 pes 21 X motor setting plate Pulse motor X assy 22_X feed lever Pull upward 36 4524Q 4525Q KE 4300 BE 4380 From the library of Superior Sewing Machine...

Page 44: ...ink Pull backward 9 Bolts 4 pes 10 Pulse motor P assy Disconnect the harness 11 Set screws 2 pes Loosen 12 Gear 13 Screw 14 Stopper 15 Set screws 2 pes Loosen 16 Set screws 2 pes Loosen 17 Set screws 2 pes Loosen 18 Cam shaft 19 Set screw collar B 20 Thread wiper cam 21 Cam gear 22 Ball bearings 2 pes KE 430D BE 438D 37 From the library of Superior Sewing Machine Supply LLC ...

Page 45: ...ving lifter lever otherwise the work clamp lifter plate may fall down KE 4300 BE 4380 23 Set screw Loosen 24 Retaining ring E 25 Levershaft 26 Plain washer 27 Lifter lever 28 Needle bar guide slide block 29 Nuts 2 pes 30 Button clamp roller shaft 31 Plain washer 32 Roller 33 Button clamp rod Pull upward 34 Set screw Loosen 35 Button clamp lever shaft Pull out 36 Button clamp lever From the library...

Page 46: ...iper rod assy Pull forward 5 9 Tension release mechanism 1 Set screw Loosen 10 Solenoid setting plate 2 Tension bracket Pull out 11 Bolt 3 Tension release pin 12 Nut 4 Shoulder screws 2 pes 13 Plain washer 5 Solenoid cover 14 Solenoid cushion 6 Tension release solenoid 15 Tension release bar 7 Bolts 2 pes 16 Plain washers 2 pes 8 Spring washers 2 pes 9 Plain washers 2 pes 17 Spring 18 Retaining ri...

Page 47: ...Connecting plate F assy 17 Set screw loosen KE 430D BE 438D 4531Q 18 Thread nipper lever shaft 19 Washer 20 Retaining ring E 21 Thread nipper lever 22 Set screws 2 pes loosen 23 Motor lever 24 Bolts 2 pes 25 Plain washers 2 pes 26 TN motor setting plate 27 Screws 4 pes 28 Spring washers 4 pes 29 Thread nipper pulse motor assy 30 Screws with washers 2 pes 31 TN sensor setting plate F 32 Bolts 2 pes...

Page 48: ...28 Driving lever 5 Screws 4 pes 17 Shoulder screw 29 Set screw 6 Solenoid setting plate 18 Pushing lever 30 Retaining ring E 7 Screws 4 pes 19 Washer 31 Collar shaft 8 Solenoid cover 20 Nut 32 Thread trimmer collar 9 Set screw 21 Set screw 33 Screws 2 pes 10 Solenoid lever 22 Set screw 34 Flat screws 2 pes 11 Washer 23 Guide shaft 35 Needle plate 12 Solenoid cushion 24 Spring KE 4300 BE 4380 41 Fr...

Page 49: ... Spring 48 Bolt with washer 49 Nut 50 Shoulder screw 8 51 Thread trimmer rod V 52 Nut 53 Shoulder screw 8 54 Set screw Loosen 55 Thread trimmer lever shaft 56 Thread trimmer lever spacer 57 Retaining ring E 58 Washer 5 12 Shuttle hook mechanism 2 4 42 KE 430D BE 438D 4533Q 59 Thread trimmer lever V 60 Thread trimmer lever H 61 Set screw Loosen 62 Movable knife lever shaft 63 Movable knife lever 64...

Page 50: ...es is 294 0 5 mm Tighten the set screw on the screw flat while lightly pressing the thread trimmer lever shaft Tighten the set screw on the screw flat while lightly pressing the movable knife lever shaft KE 4300 BE 4380 1 Movable knife lever 2 Thread trimmer rod H 3 Shoulder screw 4 Movable knife lever shaft 5 Set screw 6 Thread trimmer lever shaft 7 Retaining ring E 8 Washer 9 Thread trimmer leve...

Page 51: ...hread trimmer solenoid assy 34 Solenoid cushion 35 Washer 36 Solenoid lever 37 Set screw 38 Plain washers 2 pes 39 Spring washers 2 pes 40 Bolts 2 pes 41 Solenoid cover 42 Screws 4 pes 43 Screws 4 pes 44 Set screw 45 Nut 46 Connecting plate 47 Shoulder screw 48 Shoulder screw B 49 Nut 50 Bolt with washer 33 44 KE 4300 BE 4380 4614Q When the ball joint assembly of thread trimmer rod V has been disa...

Page 52: ...crew 5 Connecting plate 6 0 rings 2 pes 7 Plain washer 8 Retaining ring E 9 Thread wiper arm assy 10 Plain washers 2 pes 5 6 ASSEMBLY 1 Tension release bar 2 Retaining ring E 3 Plain washers 2 pes 4 Spring 5 Tension release solenoid 6 Solenoid setting plate 7 Solenoid cushion 8 Plain washer 9 Nut 10 Bolt 11 Plain washers 2 pes 12 Spring washers 2 pes 13 Bolts 2 pes 14 Solenoid cover 15 Shoulder sc...

Page 53: ...ever 8 Set screws 2 pes 9 TN sensor setting plate F 10 Screws with washers 2 pes 11 Thread nipper lever shaft 12 Retaining ring E 46 KE 430D BE 438D 4618Q 13 Washer 14 Thread nipper lever 15 Set screw 16 Connecting plate F assy 17 Plain washer 18 Levershaft 19 Set screw 20 Connecting plate B 21 Shoulder screws 2 pes 22 TN sensor setting plate B 23 Plain washers 2 pes 24 Bolts 2 pes From the librar...

Page 54: ...uching the cam gear 4620 Q KE 4300 BE 4380 ASSEMBLY Adjust while referring to 7 13 Adjusting the thread wiper Align the screw stop so the abrasive surface is on the inside Tighten the screw so that there is no play in the axial direction Check that the cam shaft turns smoothly 1 Ball bearings 2 pes 2 Cam gear 3 Thread wiper cam 4 Cam shaft 5 Set screws 2 pes 6 Set screws 2 pes 7 Set screw collar B...

Page 55: ... 2 pes 24 Needle bar guide slide block 25 Lifter lever 26 Lever shaft 27 Plain washer 28 Retaining ring E 29 Set screw 30 Link shoulder screw 31 Rubber cap 4621Q Place the needle bar guide slide block onto the pin of the lifter lever The pin and the surface of the slide block should be aligned While aligning the needle bar guide slide block with the groove in the work clamp lifter plate button cla...

Page 56: ...d the cam gear while maintaining the above positions so that the parts do not move Then take up any backlash and install the pulse motor P assembly KE 4300 BE 4380 6 ASSEMBLY Align the set screw with the screw stop and tighten it so that the clearance between the gear and the pulse motor P assembly is 0 5 mm 25 32 4626Q KE 4300 25 Spring 2 pes 26 Gear 27 Set screws 2 pes 28 Pulse motor P assy 29 B...

Page 57: ...the gear backlash is 0 0 05 mm and then tighten the bolt 1 Feed gear 2 Set screws 2 pes 3 Pulse motor X assy Insert from above the machine 4 X motor setting plate 5 Bolts 4 pes 6 Collar 7 Plain washers 3 pes 8 Bolts 3 pes Apply grease to the grease hole on the inside 4629Q 4630Q Align 9 X feed lever 10 X feed gear 11 Bolt Engage the feed gear and the X feed gear so that the index marks are aligned...

Page 58: ...lock assy 6 ASSEMBLY 16 4632Q 4633Q Push theY feed rack shaft and thrust washer close together and then tighten the set screw n Apply Align 4634Q 23 Set screw 24 Feed bracket cover 1 Connect the Y feed rack shaft and the feed bracket sub assembly with the Y connecting pin with the retaining ring at the top 25 Screws 6 pes 26 Thrust washer 27 Retaining rings 2 pes 28 Y connecting pin 29 Set screws ...

Page 59: ... as shown in the illustration 4636Q 1 Provisionally tighten the bolt so that the distance shown in the illustration is 95 mm The screw stop of the pulse motor Y assembly should be facing the same way as the connector at this time 2 Move the pulse motor Y assembly up or down so that theY feed rack shaft moves with a force of 8 12 N and then tighten the bolt 4637Q After installing carry out the step...

Page 60: ...at point the needle drops to the home position standard plate If the needle does not drop to point A carry out the following adjustments Note Be careful not to let the needle touch the home position standard plate 6 Loosen the bolt 5 and move the home position standard plate 1 to the left or right to adjust the point where the needle drops at the home position If play occurs in the thrust directio...

Page 61: ...play in it tighten the two set screws 6 Apply adhesive Threebond 1401 or similar to the thread section of the screw 1 Uppershaft 2 Bobbin winder driving wheel 3 Thread take up crank 4 Screw 10 Set screws 2 pes 11 Motor assy 12 Bolts 4 pes 13 Pulley 5 Set screws 2 pes 14 Screws with washers 6 Set screws 2 pes 7 Set screws 2 pes 8 Set screws 2 pes 3 pes Loosen 15 Set screws 2 pes 16 Thread trimmer c...

Page 62: ...hole 4645Q After securing the needle bar position the slide block guide so that the machine pulley turns smoothly and then tighten the bolts Align the set screw with the screw stop 1 Slide block guide 2 Bolts 2 pes Temporarily tighten 3 Washer 10 Needle bearing 11 Screw 12 Thread take up support 4 Thread take up lever assy 5 Needle bearing 6 Needle bar crank 13 Thread take up support shaft assy 14...

Page 63: ...reference line is aligned with the lower edge of the needle bar bush when the machine pulley is turned to raise the needle bar from its lowest position and then set the cut section so that it is facing forward and tighten the screw 4647Q KE 430D BE 438D a DPX5 18 Needle bar clamp 19 Needle bar Pnsert from above 20 Screw 21 Rubber cap 4646Q A DPX 17 From the library of Superior Sewing Machine Suppl...

Page 64: ...ar 3 Set screw collar B 4 Set screws 2 pes 5 Set screw collar R 6 Set screw Temporarily tighten 7 Set screws 2 pes Temporarily tighten 8 Wick While turning the machine pulley move the rock gear to the left or right to the position where it turns smoothly Place set screw collar R against the edge of the bed and tighten the set screw 4648Q 4649Q 9 Lower shaft assy nsert from the rear ofthe machine h...

Page 65: ...pper part from above and gently tighten the bolts Check that the machine pulley turns smoothly 16 Crank rod Lower part Insert into upper shaft crank 17 Needle bearing 18 Crank rod Upper part Align the mating mark 19 Bolts 2 pes 20 Crank cover 21 Screws 3 pes 58 KE 430D BE 4380 4650Q From the library of Superior Sewing Machine Supply LLC ...

Page 66: ...e bar lift amount 7 4 Adjusting the driver needle guard and 7 5 Adjusting the needle clearance KE 430D BE 438D G ASSEMBLY 1 Needle bar thread guide 2 Needle 3 Setscrew 4 Shuttle hook 5 Shuttle race base 6 Shuttle race base setting claw Close 7 Bobbin 8 Bobbin case 59 From the library of Superior Sewing Machine Supply LLC ...

Page 67: ... of the thread nipper connecting plate into the hole in the thread nipper D assembly and then install the needle plate with the screws and flat screws so that the needle drops into the center of the needle hole 2 Check through the slot in the needle plate that the thread nipper D assembly is on the pin Thread nipper connecting plate 4655Q 13 Spring washers 2 pes except KE 430D denim spec 14 Screws...

Page 68: ...olts 2 pes 6 Support shaft 7 Set screw 4656Q After installing carry out test feeding and check that the needle hole is inside the work clamp and the feed plate frame If the needle hole is not inside the frame adjust the position of the work clamp arm assembly and feed plate Apply grease to all sliding parts during assembly 1 Sliding portion of the work clamp 1 Apply small amount of grease 2 Slidin...

Page 69: ...ts 2 pes Adjusting screw Compression spring 4658Q After installing check that the needle passes into the button hole without touching the button Refer to 7 12 Adjusting the position of the button holder Apply grease to the portions indicated by the arrows during assembly 4659Q 62 KE 4300 BE 4380 From the library of Superior Sewing Machine Supply LLC ...

Page 70: ...ng washers 2 pes 9 Frame side cover 3 Screws 2 pes 10 Screws 4 pes 4 Face plate assy 11 Back cover 5 Screws 3 pes 12 Screws 4 pes 6 Eye guard assy 13 Top cover 7 Plain washers 2 pes 14 Screws 6 pes KE 4300 BE 4380 63 From the library of Superior Sewing Machine Supply LLC ...

Page 71: ...eft on when carrying out some adjustment be extremely careful to observe all safety precautions When carrying out inspection adjustment and maintenance When replacing consumable parts such as the rotary hook 7 1 Standard thread tension 0 KE 4300 Use 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...

Page 72: ...ake up spring height Loosen the set screw 1 and tum the tensioner body to adjust the thread take up spring height Stronger Weaker 4665Q When the spring height stroke is great or the spring tension is insufficient it may cause the thread end length to vary after thread trimming KE 430D BE 4380 65 From the library of Superior Sewing Machine Supply LLC ...

Page 73: ...lower edge of the needle bar bush 1 Then loosen the bolt 2 and move the driver 3 to adjust so that the tip of the rotary hook is aligned with the needle center line If using a DP x 5 needle use the second reference line from the top on the needle bar reference line b 7 4 Adjusting the driver needle guard Needle center line 1 0135Q 2555Q 4669Q Tum the pulley to align the tip of the rotary hook with...

Page 74: ... guide II t 3574Q Install the shuttle race thread guide 1 by pushing it in the direction of the arrow so that the needle groove is aligned with the center of the needle plate hole Note If the shuttle race thread guide is in the wrong position thread breakages soiled thread or thread entanglements may occu The position of the shuttle race thread guide is adjusted at the time of shipment from the fa...

Page 75: ...n the bolt 2 and then check the above position once more 4724Q 4687Q 7 Loosen the nut 6 and then tum the set screw 8 to adjust so that the outside of the hole in the movable knife 4 is aligned with the ridge line on the shuttle race thread guide 7 8 Tighten the nut 6 9 Turn the pulley by hand to set the needle bar to its lowest point 10 Check that the collar 9 is not touching the inside of the thr...

Page 76: ... and the shoulder screw 9 and then install a new movable knife 6 6 Check that the movable knife 6 and the fixed knife 7 cut the thread cleanly If necessary adjust by using the appropriate movable knife spacer 10 supplied as accessories 7 Apply grease to the pin 11 of the movable knife and then insert it into the hole in the movable knife connecting plate 12 Then while placing the pin 14 of thread ...

Page 77: ...2 and to the sliding part of the work clamp 4 grease is already applied at the time of shipment and check that the movement becomes easier 7 10 Adjusting the button clamp lift amount BE 4380 Adjust so that the actual maximum lift amount for the button clamp is 13 mm above the top of the needle plate when the maximum button clamp height has been set to 13 mm using the operation panel 13mm Remove th...

Page 78: ...nd adjust the button clamp base 2 by moving it 2 Carry out test feeding to check that the needle will go through the button hole with no contact 7 13 Adjusting the thread trimmer cam position O Smm 4685Q 1 Remove the top cover 2 Loosen the two set screws 1 and then adjust the position of the thread trimmer cam 3 so that the distance between the edge of the collar shaft 2 and the edge of the thread...

Page 79: ...ead wiper racking timing to the ideal setting that matches the height of the work clamp in order to prevent the thread from getting caught when the work clamp is lowered 72 4684Q 1 Remove the back cover 2 Loosen the two screws 1 and adjust so that the mark 2 on the cam is in between the two marks 3 and 4 on the thread wiper cam If mark 2 is closer to mark 3 the thread wiper will move below the wor...

Page 80: ...gh the hole in the solenoid cover When memory switch No 551 is set to ON the tension release will operate to reduce instances of the thread pulling out at the sewing start If memory switch No 552 has been set so that the tension release timing is early you can increase the trailing length for the upper thread 7 16 Adjusting the backlash of the lower shaft gear 0 05 0 15 mm 1 4690Q 4691Q 1 Loosen t...

Page 81: ...egistered home position If you press the RESET key for 2 seconds or more at this time the offset value will be reset to o lim STEP Use the home position standard plate and press the A or f key to change the offset value 999 to 999 so that the needle drops at the home position The feed mechanism will move in conjunction with the setting value 4571Q Press the RESET key The feed mechanism will move t...

Page 82: ...his time the offset value will be reset to 0 Touch the bottom of the work clamp lifter plate and check the position where it starts to lower Press the A or f key to change the offset value 999 to 999 so that the work clamp lifter plate 1 moves to the position where it starts to lower I J II I L I ID t STEP li fm II STEP o The work clamp lifter plate 1 will move in conjunction with the setting valu...

Page 83: ...e carried out and P 01 will be displayed in the menu display 5 4694Q 5 Loosen the two set screws 8 and move the motor lever 9 to adjust so that the clearance between the home position sensor 6 and thread nipper connecting plate B 7 is 0 1 0 5 mm 4695Q 4696Q 6 Loosen the two screws 11 and move the home position sensor 6 to adjust so that the center of the needle hole and the center of the hole in t...

Page 84: ...n tighten the bolts 12 at the position where the red indicator of the sensor changes from off to illuminated 12 Press the TEST key to end the adjusting mode Thread nipper timing adjustment You can use the setting for memory switch No 553 to adjust the thread nipper timing When the thread nipper timing is made faster the thread will not pull out so easily When the thread nipper timing is made slowe...

Page 85: ...n install the rubber cap 2 6 Tum the machine pulley to lower the needle bar 1 from its highest position to height H Needle 0Px17 0Px5 KE 4300 I BE 4380 H 52 7 mm I 53 87mm 47 6 mm h 18 0 mm 12 9mm 4701Q 7 While pressing the 1 1 key 4 tum on the power switch Keep pressing the 1 1 key 4 until the model name is displayed and the buzzer beeps once 8 Press the 1 1 key 4 or V key 5 to select check code ...

Page 86: ... when the settings are at the factory defaults or after adjusting the needle up stop home position Adjustment method 1 While pressing the V ll keys simultaneously tum on the power switch r Keep pressing the V ll keys until the model name is displayed and the buzzer beeps once bf Ot he t PROGRAM No 0 X X SCALE O CAUTION 0 tYY SCALE IIIII eSP eo oooo v O imCOIJIITCR 0 l_ SPRIT No B orG will flash in...

Page 87: ...pper shaft will move one stitch and stop at the offset value that has been set 4441Q Press the TEST key The offset value will be memorized and the sewing machine will switch to home position detection standby 7 21 Checking the machine head switch 80 4 Check that the machine head switch is turned on as shown in the illustration Note If the machine head switch is not turned on error E050 or E051 or ...

Page 88: ...splays and sewing can be carried out by depressing the foot switch Note GrE and AS UP will continue to be displayed each time the power is tumed on until grease is applied and the notification is reset by carrying out the procedure on the following page If you continue to use the sewing machine after the GrE and AS UP notification appears without applying grease or without carrying out the reset p...

Page 89: ...fer to the next page for greasing locations 3 While turning the machine pulley by hand to move the needle bar up and down apply grease to each hole until the grease overflows slightly 4 lighten the screw 2 to push in the grease 4503Q 82 5 Tum the machine pulley by hand to move the needle bar up and down several times in order to disperse the grease 6 Use a cloth to wipe away any excess grease from...

Page 90: ...1 and the menu display 2 will return to their normal displays 3 While pressing the TEST key 4 press the ll key 5 GrS will appear in the program No display 1 and the cumulative number of stitches until greasing is required will appear in the menu display 2 in units of 100 000 stitches The number of stitches will be displayed in all seven digits of the program No display 1 and menu display 2 in unit...

Page 91: ...e following Opening and closing the control box Replacing fuses Separating and joining connectors Measuring resistance Doing anything with a possibility of touching something inside the control box Some adjustments require measuring the voltage while the power is turned on with the control box kept open In such a case be careful not to touch any place other than that for the measurement In additio...

Page 92: ...f the control box The filters at the ventilation holes in cover and the base plate should be cleaned about once a month Conversion transformer Two types are available depending on the power supply voltage specifications Steps down t e power supply voltage and generates the voltages that are required for each control operation NF P C board For Europe Eliminates electrical noise that is transmitted ...

Page 93: ...se 6AFB The thread trimmer solenoid or tension release F3 glass tube fuse 6A 250V SA3759 001 solenoid does not operate and thread trimming is disabled F4 Fuse 3AFB 616167 001 Communication problem with PMD P C board glass tube fuse 3A 250V and E403 displayed F5 Fuse 3AFB 616167 001 The power indicator is not illuminated and glass tube fuse 3A 250V nothing operates F6 Fuse 3AFB 616167 001 The DC fa...

Page 94: ...nnector positions Main P C board EN N OTr EL P1 0 cts o CLR MARKER I P7 P2 X_ENC tJ LJD DO D llr ORG D LJ PS DD D 0 I 0 SW Ooo J_ D D 0 0 D D EXIN Do o GIIIP10 0 OP AIR I P20 P14 D rJ PRG M_MOTOR I D DODD D LT 1 P11 n r HEAD a 11 1111111111111111111111111111 1 SEN PMD P C board i M l r r l I I 1 t EJ __ _ __ r J n n pg ___ HI I 9 n n n n aUq n n n aUq 0 0 POWER1 P10 XPM c a B o ww w w G ____ ____ ...

Page 95: ...9 ELECTRIC MECHANISM Power supply motor P C board pg ACIN Panel PCB CN2 MAIN 88 00 0 0 oo MAIN 4593Q a 0 o 0 I 0 o 0 0 o 4594Q KE 430D BE 438D From the library of Superior Sewing Machine Supply LLC ...

Page 96: ...E211 is displayed I P8 VPM I II Ypulse motor 4708Q Sideways feed does not operate correctly PMD P C board Error E200 or E201 is displayed I P10 XPM I II X pulse motor 4709Q The feed motor does not operate PMD P C board Error E200 is displayed 1P9 POWER 1 1 II Power supply motor P C board 4710Q W k I h or c amp mec amsm Problem Connector No and position The work clamp pulse motor rotates but the ho...

Page 97: ...nector No and position PMD P C board I P6 SOL 1 I I chread trimme_J solenoid PMD P C board I P7 SOL2 I I Tension release solenoid Main P C board PMD P C board IP12 TPK SEN I IP4 BT_PICK J I II Thread nipper Thread nipper sensor pulse motor Connector No and position pg ACIN Power supply motor P C board P8 ACOUT P11 TRANSL P6 MAIN 4713Q 4714Q 4715Q 1 P14 IM_MOTOR Power supply Conversion switch trans...

Page 98: ...splayed after the power is tumed on Error E452 is displayed after the power is tumed on KE 4300 BE 4380 9 ELECTRIC MECHANISM Connector No and position Main P C board I P18 FAN I Jl DC fan motor Main P C board I P6 PANEL I II I CN2 MAIN I Panel PCB Main P C board I P5 FOOT I F IJ_ Main P C board IP8 HEAD 8W I II Machine head switch Power supply motor P C board I P4HEAD I II Machine head memory 4718...

Page 99: ...en carry out the reset procedure E110 Needle up stop position error Tum the pulley to align the index mark with the needle up stop position E120 Needle down signal cannot be verified Tum off the power and then check the synchronizer connection E121 Thread trimming was not completed Tum off the power and then check if the cutting edges of the fixed knife and movable knife are damaged or worn Proble...

Page 100: ...wer supply motor P C board detected E411 Tum off the power and then back on again Check if the fuse F4 is blown or not E413 Communication error with PMD P C board detected Tum off the power and then back on again E420 CF card are not inserted E421 Invalid program number or no data Chanqe the proqram number E422 Error occurred while reading the CF card Check the CF card data E424 No free space on C...

Page 101: ...er and then clean underneath the needle plate to remove any dust and thread scraps Check that connector P12 on the main P C board is properly connected P C board related errors Code Cause and remedy E700 Abnormal rise in power supply voltage Tum off the power and check the input voltaoe E705 Abnormal drop in power supply voltage Tum off the power and check the input voltage E710 Abnormal current d...

Page 102: ... 1 1 1_1 I I I 1 _I 1 1 I 1 1 _I A B c D E F G H I J 1 1 I I I I 1 I I I I 1 1 1 1 I 1 1 I I 1_1 1 1 I 1_1 K L M N 0 p Q R s T I I 1 1 1 1 1 1 I I I I I I I 1 1 1 1 I 1 I I I u v w X y z I I I I I I 1_1 1_1 1_1 1 1 I I I KE 430D BE 438D 95 From the library of Superior Sewing Machine Supply LLC ...

Page 103: ...THER INDUSTRIES LTD http www brother com 15 1 Naeshiro cho Mizuho ku Nagoya 467 8561 Japan Phone 81 52 824 2177 Printed in Japan KE 430D BE 438D 14050864H 2004 06 H 1 From the library of Superior Sewing Machine Supply LLC ...

Page 104: ...peso No trabajc sin salvadedos ni sin los dispositivos de protecc 6n Antes del enhebrado cambio de Ia cantUa cambio de Ia aguja y de Ia limpieza e1 c h desconeclar el interrupter general Equivalent continuous A weighted sound pressure level L Aeq at the workstation according to ISO 10821 CB M1 at maximum sewing speed and at continuous cycles without break time The weight is that of the model with ...

Page 105: ... the ground wire 4 with the screws 2 and 3 Befestigen Sie die Massekabel 1 zusammen mit dem Massekabel 4 mit dem Schrauben 2 und 3 Fixer les deux fils de masse 1 ensemble avec le fil de masse 4 al aide des vis 2 et 3 Asegure los dos cables a tierra 1 junto con el cable a tierra 4 con los tornillos 2 y 3 KE 1300 BE 438D 4500Q From the library of Superior Sewing Machine Supply LLC ...

Page 106: ...sory core while referring to the illustration below Bringen Sie die Kabelmuffe wie in der nachstehenden Abbildung gezeigt an Installer le noyau des accessoires en se referant a illustration ci dessous lnstalar el nucleo accesorio consultando el dibujo a continuaci6n c t1 CORE NF 65 0 KE 1300 DE 4380 I I 8521 62 000 J 4501Q From the library of Superior Sewing Machine Supply LLC ...

Page 107: ...rundnonn Storfestigkeit Teil 6 2 lndustriebereich DECLARATION DU FABRICANT Selon Ia Directive EMC 89 336 EEC Ia Directive EC Machinery Directive 98 37 EC Appendlce II B et Ia Directive 73 23 EEC de basse tension nous declarons par Ia presente que les t Hes et les moteurs de machines a coudre industrielles KE 4300 et BE 4380 font partie d unites de couture et qu ils ne doivent etre utilises que si ...

Search results

Summary of Contents for BE-438D

Reviews:

Related manuals for BE-438D

Brands by name

Popular brands

Brother BE-438D, Service Manual

Search results

Summary of Contents for BE-438D

Reviews:

Related manuals for BE-438D

Brands by name

Popular brands