Brother HE-8000 Instruction Manual Download Page 99

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HE-8000

16. TROUBLESHOOTING

Problem

Cause

Check

Remedy

Page

Needle is incorrectly
installed.

Needle position

Install the needle
correctly.

Needle and rotary hook
timing is incorrect.

Needle and rotary
hook timing

Adjust the timing of the
needle and rotary hook.

Needle breaks

Buttonhole width or
length is incorrect.

Work clamp

Replace the work
clamp.

Upper thread scissors
do not open smoothly.

Upper thread
scissors opening

Adjust the upper thread
scissors opening timing.

Upper thread scissors
position is incorrect.

Upper thread
scissors position

Adjust the position of the
upper thread scissors.

Upper thread scissors
installation is incorrect.

Clearance between upper

thread scissors and work

clamp

Install the upper thread
scissors correctly.

Bobbin is spinning
loosely.

Bobbin insertion
method

Insert the bobbin
correctly.

Upper shaft cannot
be turned manually.

Loop spreader and rotary
hook are touching.

Thread trimmer
mechanism position

Sewing machine does not
start after emergency stop.

Emergency stop switch
has not been released.

Emergency stop
switch

Turn the emergency stop
switch knob to release it.

Cutter position is
incorrect.

Cutter position

Adjust the cutter to the
center of the needle plate
cutter groove.

Upper thread scissors do
not open smoothly and
touch cutter.

Upper thread
scissors opening

Adjust the upper thread
scissors opening timing.

Presser foot pulse
motor is out of step.

Move the thread trimmer
mechanism to the home
position.

Turn the machine pulley
backward to set the needle
bar to the needle
up position and then return
to the home position.

Cutter blade damaged.

Summary of Contents for HE-8000

Page 1: ...INSTRUCTION MANUAL Please read this manual before using the machine Please keep this manual within easy reach for quick reference ELECTRONIC LOCKSTITCH BUTTON HOLER LH4 B800E HE 8000 ...

Page 2: ...fe operation of this machine and to prevent accidents and injury to yourself or other people The meanings of these indications and symbols are given below Indications DANGER The instructions which follow this term indicate situations where failure to follow the instruc tions will almost certainly result in death or severe injury CAUTION The instructions which follow this term indicate situations w...

Page 3: ...cal work that may need to be done The sewing machine weighs more than 56 kg The installation should be carried out by two or more people Do not connect the power cord until installation is complete otherwise the machine may operate if the treadle is depressed by mistake which could result in injury Use both hands to hold the machine head when tilting it back or returning it to its original positio...

Page 4: ...t in injury Be sure to wear protective goggles and gloves when 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 Maintenance and inspe...

Page 5: ...njury or damage to the machine 5 Do not touch any of the fan or press any objects against the machine as this may result in personal injury or damage to the machine Moving parts may cause injury Operatewithsafetydevices Turn off main switch before threading changing bobbin and needle cleaning etc Hazardous voltage will cause injury Turn off main switch and wait 5 minutes before opening this cover ...

Page 6: ...arm 26 4 17 3 Lubricating the rotary hook 26 4 18 Installing the belt cover 27 5 OPERATION 28 5 1 Part names and functions 28 5 2 Home position return preparation 30 5 3 Operating the treadle 31 5 3 1 Operating the standing pedal option 32 5 4 Program setting method 33 5 4 1 Program initialization condition 33 5 4 2 Parameter table 33 5 4 3 Changing program details 43 5 4 4 Rear tack vector shape ...

Page 7: ...e installation height of the upper thread scissors 74 10 7 2 Adjusting the upper thread scissors opening timing 75 10 8 Adjusting the lower thread clamp timing 76 10 9 Adjusting the bobbin presser 76 10 10 Adjusting the needle up stop position 76 11 CHANGING FUNCTIONS USING THE MEMORY SWITCHES 77 12 PROGRAM INITIALIZATION 79 12 1 Initializing all programs 79 12 2 Initializing a single program 79 1...

Page 8: ...on panel 4 Treadle 5 AC servo motor 6 Emergency stop switch 7 Spool stand 8 Pulley 9 Tension release lever Safety devices 10 Eye guard 11 Thread take up cover 12 Belt cover 13 Belt cover plate 14 Finger guard 15 Finger protector 16 Belt retainer 7 1 4 2 13 5 14 3 9 11 12 10 6 8 15 16 2034Q ...

Page 9: ...ifications Max sewing speed 4 000 rpm Zigzag mechanism Pulse motor driven mechanism Feed mechanism Pulse motor driven mechanism Work clamp lifter mechanism Pulse motor driven mechanism Height of work clamp 13 mm adjustable Knife mechanism Double position solenoid Lower thread holding device Standard equipment Bobbin presser Standard equipment Standard sewing pattern 21 Memory pattern 90 Max number...

Page 10: ...gle Rectangle radial Round radial Eyelet radial Rectangle round Radial round Eyelet round Rectangle taper tack Radial taper tack Round taper tack Eyelet taper tack Rectangle tack Radial tack Round tack Eyelet tack 0 to 4 indicate the setting range for parameter No 1 Refer to 5 4 2 Parameter Table In addition to the above shapes you can create and use up to 9 additional custom made patterns using t...

Page 11: ...3 3 Standing operation pedal Parts name Parts code J80081 040 Standing operation 2 pedal 6 Two pedals kick pedal S47750 000 Harness J80380 040 Standing operation 3 pedal 40 Three pedals S47750 000 Harness Parts name Parts code Needle plate set 1 2RB S51361 001 Needle plate set 1 4RB S51362 001 General materials Needle plate set 1 6RB S51363 001 Needle plate set 1 2RB 3 S51364 001 Needle plate set ...

Page 12: ... guard 3 5 Ruler 3 6 Auxiliary table Tape guard winder assy S50346 001 Tape winder bracket assy 143767 102 Tape guard assy S51896 001 Sub table assembly S53996 001 2042Q Ruler assy S50477 001 Ruler assy 800E S50350 001 2043Q 2044Q 2045Q ...

Page 13: ...he LED screen so that the settings can be changed easily It allows you to easily transfer data between different sewing machines The only difference between Sets A1 and A2 is the Instruction Manual Parts name Parts code Programmer set A1 Japanese language Instruction Manual S58988 001 Programmer set A2 English language Instruction Manual S58989 001 Replacement parts set 70 S54501 001 2046Q 2047Q ...

Page 14: ...tion should be car ried out by two or more people Do not connect the power cord until in stallation is complete otherwise the ma chine may operate if the treadle is de pressed by mistake which could result in injury Use both hands to hold the machine head when tilting it back or returning it to its original position If only one hand is used the weight of the machine head may cause your hand to sli...

Page 15: ...HE 8000 4 INSTALLATION 8 1 Vertical positioning 2 Horizontal positioning 2194Q 2195Q ...

Page 16: ...talling the flange nut Install the four flange nuts 1 to the underside of the work table NOTE When the machine head is positioned horizontally some flange nut installation locations may be inaccessible after the control box has been in stalled Be sure to install the flange nuts correctly so that they are not at an angle 2 5 4 3 1 2050Q 1 2051Q ...

Page 17: ...nstall the control box with the bolts 4 cushions 5 cushion collars 6 rubber collars 7 flat washers 8 and nuts 9 as shown in the illustration At this time leave a gap of approximately 2 mm between the work table and the top of the box 3 Close the covers main P C board mounting plate 2 and sub P C mounting plate 3 and provisionally tighten them with the screws 1 They will be opened again when the co...

Page 18: ...staples 3 4 6 Installing the bed base 1 Place the bed base 1 on top of the work table and insert the collars 2 2 Provisionally tighten the flange nuts 4 onto the bolts 3 and then position the bed base 1 3 Install the bed base 1 with the three flat washers 5 and wood screws 6 4 Install the two rubber caps 7 5 Remove the bolts 3 1 3 2 4 2053Q 7 6 5 7 6 5 3 2 4 2 3 4 6 5 1 2054Q ...

Page 19: ...top of the bed base 1 while being careful not to clamp the cords 3 2 Install the machine head with the spring washers 4 and bolts 5 NOTE Make sure that the felt support 6 do not touch the bed base 1 4 8 Installing the head rest Tap the head rest 1 into the table hole NOTE Tap the head rest securely into the table hole If the head rest is not pushed in as far as it will go the machine head will not...

Page 20: ...d harness out of the way so that the operation panel side cover 5 can be opened and closed 3 Insert the connector cord 6 into the control box through the hole at the side of the box 4 10 Routing the connector cord and installing the oil stopper plate 1 Gently tilt back the machine head 2 Pass the cords 1 through the hole in the work table 3 Install the oil stopper plate 2 4 Move the connector cord...

Page 21: ...ing marks are displayed on the machine head and inside the control box If the shape of the grounding screw in the leg 5 requires a different ground wire to be connected re place the ground wire with the accessory ground wire NOTE If the ground wires are not connected incorrect operation may result If the grounding point has been painted over remove the paint coating before connecting the ground wi...

Page 22: ...ess 8 5 Connect the connectors of the zigzag motor harness 9 and the tension release solenoid harness 10 Take note of how these two harnesses are routed through the control box so as not to confuse them with any of the other harnesses Harness Mark Sub P C board indication 4 Feed motor 5 pin White S2 P2 FDPM 5 Presser foot motor 5 pin Blue S5 P5 FTPM 6 Cutter solenoid 6 pin S8 P8 CUTTER 7 Fan 3 pin...

Page 23: ...d positioned vertically 8 Gently return the machine head to its original position Check that the harnesses do not touch the belt 9 Close the covers on both sides of the control box and tighten the 12 screws 4 11 4 Connecting the power cord 1 Attach an appropriate plug to the power cord 1 The green and yellow wire is the ground wire 2 Insert the plug into a properly grounded AC power supply NOTE Do...

Page 24: ...ay harness 1 to connector P9 on the main circuit board 3 3 Remove the screw 4 which is securing the ground wires and then add the ground wire 5 of the relay harness 1 and re tighten the screw 4 The green and yellow wire is the ground wire 4 Connect the standing pedal harness 6 to the relay harness 1 Connect the standing pedal harness 6 and the relay harness 1 inside the control box 2 6 5 4 1 3 206...

Page 25: ... location where the transformer will not be an obstruction to people walking past 2 Table leg installation on top of table leg Secure the transformer to the top of the table leg using the mounting bracket and screws The mounting bracket and screws must be obtained separately 3 Table leg installation treadle support plates 1 Remove the screws 1 and then remove the handle 2 2 Place the transformer o...

Page 26: ...d the cushion collars 3 Use the bolts 4 flat washers 5 spring washers 6 nuts 7 and cushion brackets 3 which are included Connecting the cords 1 Loosen the screws 1 and then remove the transformer cover 2 2 Connect the control box connector 3 to the transformer connector 4 3 Secure the connected cords with the cord holder 5 and the screw 6 and place them inside the transformer cover 2 Install the t...

Page 27: ...s too loose or if the V belt is stretched the following problems could occur a The stopping position may shift b The needle bar may drift when the machine stops c An extra stitch may be sewing when the machine stops d An abnormal noise may be heard due to V belt slipping and e The V belt may become too loose and contact with the cover If any such problems occur adjust by following the procedure de...

Page 28: ...sting tighten the screw 4 4 13 Installing the belt cover plate NOTE If the machine head is positioned horizontally there is no need to install the belt cover plate 1 Set the belt cover plate 1 so that there is a gap of 3 mm or more in the longer motor direction The belt cover plate 1 should not project out from the edge of the work table 2 Install the belt cover 1 with the wood screws 3 so that it...

Page 29: ...a to position c Adjusting the treadle return pressure 1 Loosen the nut 3 and turn the bolt 4 The treadle return pressure becomes heavier as the bolt 4 is tightened and becomes lighter as the bolt 4 is loosened 2 Tighten the nut 3 Adjusting the treadle stroke Remove the nut 5 and then move connecting rod joint 6 from the position in figure A to the position in figure B The treadle stroke will incre...

Page 30: ... tighten just the screw 2 3 Remove the screw 3 and then remove the treadle unit 4 Install the V cord bushing 5 to the treadle setting plate 4 5 Install the treadle setting plate 4 and the treadle unit to the motor with the screw 3 6 Install the ground wire with the screw 6 7 Connect the treadle unit connector 1 inside the control box 4 15 Installing the spool stand Assemble the spool stand 1 while...

Page 31: ...d is positioned horizontally install the eye guard support 4 to the machine head with the screw 5 and then install the eye guard 1 Attach all safety devices before using the sewing machine If the machine is used without these devices attached injury may result CAUTION 2092Q 2093Q 3 2 1 Vertical positioning 4 2 3 1 5 Horizontal positioning ...

Page 32: ...the LOW mark add more lubricating oil 3 Gently return the machine head to its original position Turn off the power switch before carrying out lubricating otherwise the machine may operate if the treadle is depressed by mistake which could result in injury Be sure to wear protective goggles and gloves when handling the lubricating oil and grease so that they do not get into your eyes or onto your s...

Page 33: ...machine and when the machine has not been used for an extended period of time remove the bobbin and add 2 3 drops of oil to the rotary hook race 1 before sewing Rotary hook lubrication adjustment 1 Remove the rubber stopper 2 Turn the adjusting screw to adjust the lubrication amount Adjust so that approximately 10 drops of oil are released when the sewing machine is run at a speed of 4 000 rpm for...

Page 34: ...er 1 2 Insert the belt cover 1 in the direction of the arrow and then secure it with the two screws 3 the screw 4 and the flat washer 5 NOTE When tilting back the machine head remove the screws 3 loosen the screw 4 and then remove the belt cover 1 before tilting back the machine head 2 3 1 5 4 2098Q ...

Page 35: ... mistake NOTE The sewing machine will not operate when the treadle is depressed while the warning indicator is illuminated 3 RESET key Used to reset errors and to raise and lower the work clamp 4 Cutter on indicator When this indicator is illuminated the cutter operates during automatic sewing When it is switched off the cutter does not operate during automatic sewing 5 CUTTER ON key This key is u...

Page 36: ... key is pressed during memory switch setting mode the mode changes to cycle program setting mode 13 SELECT key This key is used to change between automatic mode test feed mode manual mode and program mode 14 Parameter display LED Displays the production counter lower thread counter and parameter details and also displays error codes 15 Parameter UP key Used to increase parameter values 16 Paramete...

Page 37: ...hine pulley cannot be turned In such cases do not force the pulley to turn Move the thread trimming mechanism to the home position or turn the machine pulley in the reverse direction to set the needle to the needle up stop position 1 Turn on the power The POWER indicator 1 will illuminate and the model number will appear for one second in the parameter display LED 14 After this will appear in the ...

Page 38: ...witch No 06 is set to between 0 1 8 mm the work clamp drops to the height which has been set This is useful for positioning the material Soft press Figure 3 3 When the treadle is depressed to the 2nd step C the machine starts sewing 4 When the treadle is depressed backward to the position in D the work clamp rises to the height which has been set using memory switch No 04 This is useful for insert...

Page 39: ...clamp rises functions in the same way as depressing the treadle backward Three pedals When the work clamp pedal right side is depressed the work clamp is lowered and when the start pedal the middle is depressed sewing starts When the work clamp lifter pedal left side is depressed the work clamp rises Functions in the same way as depressing the treadle backward Work clamp pedal Start pedal Work cla...

Page 40: ...derlays The cutter operating distance may become smaller depending on the settings for parameter No 2 Length of knife and parameter No 3 zigzag stitch length multi working knife so in such cases the speed will be reduced automatically No Setting items Setting range Unit Default 00 Sewing speed zigzag part 1 000 4 000 rpm 100 3 600 01 Buttonhole Straight bar tack 0 1 2 3 4 0 Buttonhole free 1 Butto...

Page 41: ... Knife Y space 0 00 2 00 mm 0 05 1 00 08 Knife X position alignment 0 5 0 5 mm 0 1 0 0 09 Knife Y position alignment 0 8 0 8 mm 0 1 0 0 10 Zigzag width ratio at left 0 30 0 70 0 01 0 50 11 Stitch type whip purl Whip Purl 0 Whip 1 Zigzag purl 2 Zigzag rear tack purl 3 Zigzag front tack purl 4 Purl 1 1441Q 1442Q 1443Q 1444Q 1445Q 1446Q 1447Q ...

Page 42: ...0 1 13 0 14 Straight bar tack pitch 0 2 2 0 mm 0 1 0 8 15 Straight bar tack width 1 5 6 0 mm 0 1 2 0 16 Running speed 1 000 3 000 rpm 100 2 000 17 Running length 3 0 32 0 mm 0 1 11 0 18 Running pitch 1 0 5 0 mm 0 1 2 0 19 Running width 0 5 3 0 mm 0 1 1 0 1448Q 1449Q 1450Q 1451Q 1452Q 1453Q Straight bar tack ...

Page 43: ...1 0 5 5 0 mm 0 1 1 0 22 0 05 1 00 mm 0 05 0 30 23 2 0 2 0 mm 0 1 0 0 24 5 11 stitches 2 7 25 1 0 5 0 mm 0 1 3 0 26 1 0 1 0 mm 0 1 0 0 Front tack length except taper tack Front tack pitch except radial Front tack width correction except radial No of front tack stitch radial Taper tack length taper tack Front tack sideways correction rectangle only 1457Q 1454Q 1455Q 1456Q 1458Q 1459Q ...

Page 44: ... Eyelet 1 0 31 0 5 5 0 mm 0 1 1 0 32 0 05 1 00 mm 0 05 0 30 33 2 0 2 0 mm 0 1 0 0 34 5 11 stitches 2 7 35 1 0 3 0 mm 0 1 2 0 Rear tack length except eyelet Rear tack width correction except radial eyelet No of rear tack stitch radial eyelet Rear tack pitch except radial eyelet Eyelet buttonhole radius eyelet type only 1460Q 1461Q 1462Q 1463Q 1464Q ...

Page 45: ...iangle 2 Rectangle 3 Saw shape 1 1 38 No of stitches in X direction for saw shaped rear tack vector shape When sewing saw shaped rear tack stitches for rectangular buttonholes 2 14 stitches 2 4 39 No of stitches in Y direction for saw shaped rear tack vector shape When sewing saw shaped rear tack stitches for rectangular buttonholes 1 5 stitches 1 1 1 2 3 1465Q 1466Q 1467Q 1468Q ...

Page 46: ...acktack width 0 5 3 0 mm 0 1 0 5 42 Start backtack pitch 0 10 0 80 mm 0 05 0 30 43 End backtack 1 6 stitches 1 4 44 Cutter operation 0 Center knife standard 1 Rear knife feeding 2 Front knife 3 Front knife Center knife However 2 and 3 are only valid for two cycles or more 1 0 0 1 2 3 1469Q 1470Q 1471Q 1472Q 1473Q ...

Page 47: ...o saw shaped underlay 1 Front and rear tack 2 Rear tack only 3 Front tack only 1 0 47 No of rectangle underlays 0 9 1 0 48 Underlay speed 1 000 3 000 rpm 100 2 000 49 Underlay feed pitch 0 5 6 0 mm 0 1 2 0 50 Underlay offset 0 3 1 0 mm 0 1 0 8 51 Underlay sewing start length 2 0 10 0 mm 0 1 4 0 1 2 3 1474Q 1475Q 1476Q 1477Q 1478Q 1479Q ...

Page 48: ...g 1 Double stitch 2 Crossed double stitch 0 No double stitch 1 Double stitch 2 Crossed double stitch 1 0 56 No of bar tacks sewn for 2 cycle sewing 1 2 1 2 57 First offset for 2 cycle sewing 0 0 0 8 mm 0 1 0 3 58 Zigzag underlay stitch width 0 0 3 0 mm 0 1 0 59 Slow start stitches 0 4 stitches 1 1 60 Slow speed 500 1 500 rpm 100 800 61 Rear tack speed 500 4 000 rpm 100 4 000 62 Front tack speed 50...

Page 49: ...r bar tack tension apply timing 4 4 stitches 1 0 66 Front bar tack tension release timing 4 4 stitches 1 0 67 Sewing end tension apply timing 5 0 stitches 1 0 68 Rear tack width rectangle only OFF Condense stitch 0 1 1 5 mm OFF Condense stitch 0 1 1 5 mm Rear tack width Normally set to 1 0 0 1 OFF 69 Program copy OFF 1 90 Specify copy source 1 OFF 1486Q 1487Q 1488Q 1489Q 1490Q 1491Q ...

Page 50: ...l be accepted and the program number LED 6 will stop flashing The program number will not be accepted if the ENTER key 17 is not pressed 2 Press the SELECT key 13 to change the mode to program mode The parameters for the program number which was selected in step 1 will appear The parameter number will appear in the program number LED 6 The parameter setting value will appear in the parameter displ...

Page 51: ...eter display LED 14 If the values are different use the parameter keys 15 and 16 to change the parameter setting value so that it is the same as the length of the knife and then press the ENTER key 17 The length of the knife has now been set NOTE Be sure to change the knife length setting if the knife is replaced with a knife of a different length The stitch length will be automatically determin e...

Page 52: ...ange the setting for the selected parameter Example Buttonhole free setting value 0 and then press the ENTER key 17 5 Use the program No keys 7 and 8 to select the next parameter number Example Front tack pattern Parameter No 20 6 Use the parameter keys 15 and 16 to change the setting for the selected parameter example Taper tack pattern setting value 4 and then press the ENTER key 17 7 Repeat ste...

Page 53: ...s the SELECT key 13 to change the mode to program mode 3 Use the program No keys 7 and 8 to select the number for the parameter to be changed Example Program copy Parameter No 69 4 Use the parameter keys 15 and 16 to change the setting for the selected parameter Example Copy source setting value 3 and then press the ENTER key 17 5 Press the SELECT key 13 to change the mode to automatic mode The pa...

Page 54: ...zigzagging for the rear tack Reducing the number of front tack stitches is effective in preventing the material getting stuck at the front tack Using a needle plate with a small needle hole 1 2 as well can also help in preventing the material from getting stuck 3 Saw shape This is effective for preventing dimples in the rear tack without the need for underlay sewing The number of stitches for the ...

Page 55: ...ave a very coarse weave It also serves to reinforce the buttonhole If the seam is hidden and the seam width seems small you can sew 2 3 rectangle underlays to make the material look more voluminous Underlays such as 1 to 9 in the illustration can be sewn in slightly different positions by changing the setting value for parameter No 50 underlay offset so that the seam does not become too stiff and ...

Page 56: ...s than 1 7 mm If you would like the front tack length to be less than 1 7 mm the cutter can be made to operate after sewing and feeding are complete 2 Front knife Not available for single cycles Only available when sewing two or more cycles This is used in cases such as when the rough edges of the material after cutting are hemmed by the buttonhole stitches The cutter operates before the left zigz...

Page 57: ...is turned on and if does not appear the cuter is turned off However if the cutter on indicator 4 is switched off during cycle sewing the cutter operation will always be off 4 Press the ENTER key 17 to accept the program number for C1 The display will stop flashing 5 Press the program no UP key 7 C2 will appear in the program number LED 6 The numbers 3 the program number for C1 and 0 will appear in...

Page 58: ...r keys 15 and 16 to change the production counter and then press the ENTER key 17 The production counter setting will flash in the parameter display LED 14 while the setting is being changed When the ENTER key 17 is pressed the setting value will be changed the parameter display LED 14 will stop flashing and the mode will change to automatic mode If you press the SELECT key 13 while the display is...

Page 59: ...ara meter DOWN key 16 simultaneously bC will flash in the program number LED 6 The current lower thread counter setting will appear in the parameter display LED 14 3 Press the RESET key 3 The previously set lower thread counter value will appear in the parameter display LED 14 4 Use the parameter keys 15 and 16 to change the lower thread counter setting 5 Press the ENTER key 17 The parameter displ...

Page 60: ...e programmed into a P ROM Adding patterns to a P ROM 1 Remove the six screws 1 and then open the operator s side cover 2 of the control box NOTE When opening the cover 2 hold it securely so that it does not fall down 2 Remove the P ROM 3 from the main P C board 3 Create the pattern s using the BAS PC 300 Refer to the Operating Instructions for the BAS PC 300 for details on how to create patterns 4...

Page 61: ... been created using the BAS PC 300 No Setting items Setting range Unit Default 00 Sewing speed zigzag part 1 000 4 000 rpm 100 3 600 02 Length of knife Value is for checking purposes and cannot be changed 08 Knife X position alignment 0 5 0 5 mm 0 1 0 0 09 Knife Y position alignment 0 8 0 8 mm 0 1 0 0 16 Running speed Straight bar tack 1 000 3 000 rpm 100 2 000 48 Underlay speed 1 000 3 000 rpm 10...

Page 62: ...t once more to the 2nd step C The needle zigzag and feed mechanisms will each advance by one step while the treadle is being depressed In addition the needle zigzag and feed mechanisms will also advance by one step if you press the parameter UP key 15 The needle zigzag and feed mechanisms will also retreat by one step if you press the parameter DOWN key 16 If the knife has been set to operate the ...

Page 63: ...will each advance by one step each time the machine pulley is turned If the knife has been set to operate the buzzer will sound and C On will appear 5 Stop turning the machine pulley when Ho appears in the parameter display LED 14 and the pulley is at the needle up stop position 6 When the treadle is depressed once more to the 2nd step C the sewing machine will move to the home position and the wo...

Page 64: ...far as it will go so that the groove is facing toward pulley and then tighten the set screw 1 Factory default Turn off the power switch before installing the needle otherwise the machine may operate if the treadle is depressed by mistake which could result in injury CAUTION Sub class 2 5 Sub class 3 Schmetz Nm134 90 Schmetz Nm134 75 1 2137Q ...

Page 65: ...ead tension 6 is used to prevent the upper thread from becoming knotted tangled or loose so do not touch it It is tightened only gently If it is tightened too firmly the knob may become dam aged Threading the thread at the sewing start position 1 Press the RESET key 3 The work clamp will be lowered 2 Press the parameter up key 15 The needle bar will move to the right to make threading easier 3 Pre...

Page 66: ... operate When the lower thread has finished winding return the treadle to the neutral position 5 Remove the bobbin hook the thread onto the knife 2 and then pull the bobbin in the direction of the arrow to cut the thread Adjusting the bobbin winding amount Loosen the screw 3 and adjust the bobbin presser 1 If the thread winds onto the bobbin unevenly Loosen the set screw 4 and move the bobbin wide...

Page 67: ...e stitch pattern in which the upper thread moves over the top and the bottom thread moves over the bottom of the material in a zigzag pattern is called a whip stitch This pattern is identical to the zigzag pattern of a lock stitch zigzag machine Purl stitch seal stitch The above pattern in which the upper needle thread tension is high and the upper needle follows a straight line through the seam c...

Page 68: ...tension control 3 at this time Bar tacking stitches and zigzag stitches are sewn at the tension which is set by the tack tension control 2 so that zigzag tension is automatically disabled If the zigzag tension control 3 is loosened the upper thread trailing length after upper thread trimming may become longer Purl stitch seal stitch 1 Adjust by turning the adjustment screw 1 until the bobbin case ...

Page 69: ... Spun 60 Polyester 50 Spun 60 Upper thread tension 0 30 0 70 N 0 50 0 85 N 0 75 2 00 N 1 00 2 20 N Lower thread tension 0 15 0 25 N 0 05 0 15 N Thread take up spring tension 0 10 0 20 N Thread take up spring height 4 6 mm Upper thread tension for whip stitches with zigzag tension open When using a program that has whip stitches set press the RESET key to lower the work clamp and then take the meas...

Page 70: ...will drop 5 Depress the treadle from the 1st step B to the 2nd step C Figure 3 The sewing machine will start sewing Once the sewing operation has completed normally the production counter will increase by 1 if in production counter display mode DIP switch A 4 OFF If in lower thread counter mode DIP switch A 4 ON the lower thread counter will decrease by 1 Turn off the power switch at the following...

Page 71: ...n The E 00 display will be cleared at this time 2 Move to the position to continue sewing from and then depress the treadle The rest of the sewing will be carried out 3 To sew from the sewing start point without raising the work clamp without shifting the material Re sewing 1 While pressing the parameter DOWN key 16 press the RESET key 3 The feed mechanism will return to the sewing start position ...

Page 72: ...e work clamp without shifting the material Re sewing 1 While pressing the parameter DOWN key 16 press the RESET key 3 The feed mechanism will return to the sewing start position but the work clamp will not rise 2 Depress the treadle to start sewing If the emergency stop or thread breakage detector operates during sewing the needle will move to the right before the sewing machine stops in order to ...

Page 73: ...parameter DOWN key 16 press the RESET key 3 The feed mechanism will return to the sewing start position but the work clamp will not rise 2 If you do not want the cutter to operate press the CUTTER ON key 5 to turn off the cutter 3 Depress the treadle to start sewing 4 After sewing is complete depress the treadle The thread will be trimmed and the work clamp will be raised 5 Before carrying out any...

Page 74: ...e even if the treadle is pressed 2 Press the ENTER key 17 The lower thread counter setting value will appear in the parameter display LED 14 and normal sewing can then be carried out To change the lower thread counter setting value refer to 5 4 9 Changing the lower thread counter setting value Sewing completes with no thread breakage work clamp still lowered Thread breakage occurs just before sewi...

Page 75: ...urn off the power switch before carrying out cleaning otherwise the machine may operate if the treadle is depressed by mistake which could result in injury Be sure to wear protective goggles and gloves when 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 c...

Page 76: ...a vacuum cleaner to clean the filter in the air inlet port 2 of the control box 1 at least once a month If the machine is used while the air inlet port is blocked the inside of the control box will overheat When this happens the overheating error code E 40 will be displayed and you will not be able to operate the sewing machine 9 4 Cleaning the eye guard Wipe the eye guard clean with a soft cloth ...

Page 77: ...fore starting sewing 9 6 Cleaning the length feed plate Clean the length feed plate 1 if foreign materials such as shavings start getting onto the material 1 Loosen the screw 2 and then remove the length feed plate 1 2 Clean the underside of the length feed plate 1 and the needle plate 3 2163Q 2 1 3 2164Q ...

Page 78: ...tween the needle plate 5 and the lower edge of the needle bar 1 and touch the needle bar against the gauge 4 Tighten the screw 3 5 Install the rubber cap 2 Different gauges are used for each of the three sub classes 2 3 and 5 so make sure that the gauge being used matches the specifications and application for the sewing machine being adjusted Maintenance and inspection of the sewing machine shoul...

Page 79: ...edle when the needle bar contacts the gauge Different gauges are used for each of the three sub classes 2 3 and 5 so check the timing gauge identification marks before using them NOTE When installing the rotary hook joint install using the set screw so that the oil inlets in the rotary hook and rotary hook joint 7 are aligned 10 3 Adjusting the clearance between needle and hook point After the sew...

Page 80: ...cutter 3 install with the screw 2 so that the top 1 of the knife blade is 1 5 2 0 mm above the top of the needle plate NOTE When the knife is driven by the solenoid the movement will be approximately 2 mm greater than that shown in the illustration NOTE If the knife does not cut properly the knife may get stuck in the material and not return If this happens replace or sharpen the knife A special n...

Page 81: ...per thread scissors 1 up or down to adjust the clearance between the upper thread scissors 1 and the work clamp 3 to approximately 1 mm NOTE The work clamp 3 will tilt when sewing joints so adjust so that the upper thread scissors 1 do not touch it If the upper thread scissors 1 touch the work clamp 3 the work clamp lifter pulse motor may get out of step If the tilting of the work clamp 3 causes s...

Page 82: ... of the upper thread scissors 3 of the opening cam 2 when it is lowered and prevent the upper scissors 3 from opening Apply grease to the inclined face D of the opening cam 2 Scissors fully opening timing adjustment 1 Loosen the screw 5 and then adjust the support plate 8 so that the back plate 6 and the cam 7 overlap by approximately 1 0 1 5 mm If the amount of overlap is too small the upper thre...

Page 83: ...osition and then loosen the nut 4 and turn the screw 5 to adjust the clearance A between the bobbin presser 2 and the edge of the bed to approxi mately 12 5 mm 10 10 Adjusting the needle up stop position The needle up stop position is adjusted so that the index mark 2 on the machine pulley 1 is inside the mark 4 on the belt cover 3 If adjustment is necessary loosen the screw 5 of the machine pulle...

Page 84: ...ress the program no UP key 7 The memory switch number 00 will appear in the program number LED 6 The setting for that memory switch number will appear in the parameter display LED 14 3 Use the program No keys 7 and 8 to select the number for the memory switch to be changed The setting for that memory switch number will appear in the parameter display LED 14 4 Use the parameter keys 15 and 16 to ch...

Page 85: ...Threadhold valve correction at start 10 10 1 0 10 Extension time for continuous sewing OFF 100 1 000 ms 100 OFF 11 Home position return cycle OFF 1 10 1 1 12 Feed timing 10 10 0 24 1 0 13 Cutter dimension display during auto matic mode ON Cutter dimensions are displayed OFF Production counter or bobbin thread counter is displayed OFF 14 Program number changing enabled when program lock is set ON P...

Page 86: ...3 Return the sewing machine to the home position Refer to 5 2 Home position return preparation 12 2 Initializing a single program 1 Select the number of the program to be initialized and then turn off the power 2 While pressing the CUTTER ON key 5 turn on the power switch The number of the program that will be initialized will appear in the program number LED 6 and then all other LEDs will illumin...

Page 87: ...side cover to open it 2 Change the DIP switch setting Refer to the DIP switch table for an explanation of the functions of each DIP switch 3 Slide the panel side cover downward to close it NOTE Turn the power off before changing the DIP switch settings If the settings are changed while the power is still on they will not take effect A B 2190Q ...

Page 88: ...item Default ON 1 OFF OFF ON 2 OFF OFF ON ON ON Work clamp size 7 3 75 mm Sewing area 6 0 70 mm ON ON OFF Work clamp size 7 3 36 mm Sewing area 6 0 32 mm ON OFF ON Work clamp size 7 3 24 5 mm Sewing area 6 0 20 mm ON OFF OFF Work clamp size 6 8 36 mm Sewing area 5 4 32 mm OFF ON ON Work clamp size 6 8 24 5 mm Sewing area 5 4 20 mm OFF ON OFF Panel DIP switches B 7 and B 8 are enabled OFF OFF ON Wo...

Page 89: ...ble for an explana tion of the functions of each DIP switch 3 Close the cover 2 of the control box and tighten the six screws 1 NOTE Turn the power off before changing the DIP switch settings If the settings are changed while the power is still on they will not take effect DANGER Wait at least 5 minutes after turning off the power switch and disconnecting the power cord from the wall outlet before...

Page 90: ... turned off during emergency stop and thread breakage 8 OFF Needle feed motor excitation not turned off during emergency stop and thread breakage OFF DIPSW2 No Setting item Default ON Pedal for standing operation 1 OFF Pedal for seated operation OFF ON Starting possible only when work clamp is lowered 2 OFF Starting possible regardless of work clamp position OFF ON 3 OFF OFF ON 4 OFF OFF ON 5 OFF ...

Page 91: ...14 GAUGE PARTS LIST 14 GAUGE PARTS LIST Needle plate For 2 S50663 001 1 2mmS S50664 001 1 4mmS S50665 001 1 6mmS For 3 S51248 101 1 2mmS S51249 101 1 4mmS S51250 101 1 6mmS For 5 S55344 001 1 2mm S54522 001 1 4mm ...

Page 92: ...HE 8000 85 14 GAUGE PARTS LIST For flat cutter For 2 Needle plate S50321 001 1 2mmS Plastic plate 151843 001 For 3 Needle plate S50322 101 1 2mmS Plastic plate 156612 001 ...

Page 93: ... 159080 000 3 159080 000 3 159081 000 4 159761 002 4 159762 002 4 S55345 002 4 159763 002 Sewing area 4 20 Sewing area 4 32 Sewing area 6 32 Sewing area 6 40 For 3 1 S37103 101 16mm 1 S37102 101 25mm 1 S55350 001 25mmW 1 S37110 101 32mm 2 S01466 201 16mm 2 S01467 201 25mm 2 S55349 001 25mmW 2 S01468 201 32mm 3 159079 000 3 159080 000 3 159080 000 3 159081 000 4 145136 001 4 144630 001 4 S55348 001...

Page 94: ...HE 8000 14 GAUGE PARTS LIST 87 1 Work clamp assy W F G 2 Work clamp assy 3 Finger guard 4 Work clamp For 5 1 S54518 101 2 S54514 101 3 S54517 000 4 S54515 001 Sewing area 6 70 ...

Page 95: ...2 001 S51353 001 S51354 001 1 4 3 8 7 16 1 2 9 16 5 8 S51355 001 S51356 001 S25642 001 S51357 001 S51358 001 11 16 3 4 13 16 7 8 1 S51359 001 S51360 001 S01271 001 S01272 001 29 32 3 8 7 16 S01273 001 S03280 001 S01274 001 S01275 001 S01276 001 S35630 001 1 2 9 16 5 8 3 4 7 8 1 ...

Page 96: ...ff Turn off the power E 20 Feed and work clamp motor overcurrent Turn off the power E 21 Zigzag motor overcurrent Turn off the power E 30 Treadle is depressed to step 2 Return the treadle to the neutral position E 31 Treadle is depressed to step 1 Return the treadle to the neutral position E 32 Treadle is depressed backward Return the treadle to the neutral position E 40 Control board heat sink is...

Page 97: ...lected program number does not exceed the sewing area the error will be cleared B By initializing the program While pressing the ENTER key press the RESET key All parameters 00 to 69 for the program will then be initialized and the machine will switch to program mode C By initializing all programs Refer to 12 PROGRAM INITIALIZATION C Er When using the multi working knife the knife operation distan...

Page 98: ...rrectly 57 Threading is incorrect Threading Thread the upper thread correctly 58 Skipped stitches Needle and rotary hook timing is incorrect Needle and rotary hook timing Adjust the timing of the needle and rotary hook 72 Clearance between Needle and rotary hook is too large Needle and rotary hook clearance Adjust the clearance between the needle and rotary hook 72 Needle bar height is incorrect N...

Page 99: ... Install the upper thread scissors correctly 74 Bobbin is spinning loosely Bobbin insertion method Insert the bobbin correctly 60 Upper shaft cannot be turned manually Loop spreader and rotary hook are touching Thread trimmer mechanism position Sewing machine does not start after emergency stop Emergency stop switch has not been released Emergency stop switch Turn the emergency stop switch knob to...

Page 100: ...INSTRUCTION MANUAL BROTHER INDUSTRIES LTD Printed in Japan 15 1 Naeshiro cho Mizuho ku Nagoya 467 8561 Japan Phone 81 52 824 2177 118 H80 S91H80 202 2002 02 F 1 ...

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Brother HE-8000, Instruction Manual

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