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JUKI LZ-2290C/X73257, Instruction Manual And Parts List, Page: 35 / 44

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JUKI LZ-2290C/X73257 Instruction Manual And Parts List Download Page 35

– 33 –

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3

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2.  X73257 EXCLUSIVE PARTS

 Ｘ ７３２５７専用部品

１

２

３

５

５

６

４

４

[ X73257 exclusive parts ]

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4

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NOTE( 注記 )

#01....FOR LZ-2290CS

ＬＺ －２２９０ ＣＳ 用

#02....FOR LZ-2290CF

ＬＺ －２２９０ ＣＦ 用

REF.NO

NOTE PART NO

D E S C R I P T I O N

品     名

      Qty

1

#01

402-39334

MOTOR_CAP_ADD_CS

モーター油防板追加工＿ＣＳ

    1

2

#02

402-39331

MOTOR_CAP_ADD_CF

モーター油防板追加工＿ＣＦ

    1

3

402-39330

MOTOR_BASE_ADD

モーター土台追加工

    1

4

SM-4040655-SP

SCREW

ナベコネジ　Ｍ４　Ｌ＝６

    3

5

225-28509

FELT

イトチョウシサラフェルト

    2

6

402-43491

THREAD_RELEASE_PIN_SPRING

糸緩めピンばね

    1

Summary of Contents for LZ-2290C/X73257

Page 1: ...hods for the stitch skipping double catching detection device SD 29 for the LZ 2290C Series of sewing machine Refer to the documents Instruction Manual and Safety Precautions for the LZ 2290C Series of sewing machine for descriptions about parts other than the stitch skipping double caching detection device SD 29 ...

Page 2: ...3 13 Flow of work by maintenance personnel 24 13 1 Replacing the thread material and gauge 24 13 2 Procedure for replacing the hook and for adjusting the hook timing 26 14 Operating and bobbin changing procedures 28 14 1 Sewing method 28 14 2 Method for changing the bobbin 29 14 3 Method for unlocking and locking the index plunger at two locations 30 15 Parts list 31 16 Optional parts 34 17 Additi...

Page 3: ...umber of times of occurrence of an error until the error is detected when thread skipping occurs twice etc can be changed by chang ing the relevant settings on the operation panel Normally the needle thread crosses this side of the bobbin case once per single rotation of the main shaft one stitch In the case of stitching failure on the contrary the needle thread does not cross this side of the bob...

Page 4: ...are part If the current reflective seal is so con taminated with oil and cloth chips as to cause a device error remove it and stick the spare reflective seal In order to maintain performance of the SD 29 for a long time the X73257 model is provided with a plated bobbin case part number 40239314 as a rust preventive measure If it is hard to see the laser light when adjusting the sensor position as ...

Page 5: ...alla tion method of the under cover and for the setup method of the main body of sewing machine and electrical components excluding the stitch skipping double catching detection device For the SD 29 in the case U220 Stitch skipping and double catching detecting function is set to 1 Enable the maximum sewing speed of the sewing machine is limited to 4000 sti min Consequently the LZ 2290C X73257 is ...

Page 6: ...ided on top of the operation panel To use a USB thumb drive remove connector cover and insert the USB thumb drive into the USB connector In the case a USB thumb drive is not used the USB connector should be protected with connector cover without exceptions If dust or the like enters the USB connector a failure can be caused Turning ON the power to the sewing machine Turn ON the power switch locate...

Page 7: ... operation panel goes out In the case of the LZ 2290C F After the completion of the aforementioned steps of procedure also re write the SUB software The SUB software re writing procedure is same with to as described above excluding 2 and 3 In the case of re writing the SUB software steps of procedure 2 and 3 are as described below 2 Press 8 Re write SUB software 3 Check the version of the software...

Page 8: ...n Attach washers four pieces and support rods two pieces to the main body of sewing machine Put sensor amplifier mounting base asm on and secure with setscrews two pieces Detach the fixing plate and the fixing plate setscrews from sensor amplifier mounting base asm one piece Then fit sensor amplifier asm in the sensor amplifier mounting plate Secure sensor amplifier asm to sensor amplifier mountin...

Page 9: ...nting position of operation plate asm in advance using the jig that will also be used in 8 Adjusting the sensor position p 11 Carefully prevent operation plate asm from interfering with the under cover when raising the main body of sewing machine WARNING 1 Be sure to turn OFF the power to the sewing machine for the sake of safety before assembling the sen sor amplifier components 2 Be sure to firm...

Page 10: ...th cable clip band small approxi mately 25 cm away from the previously secured position Bind the cord coming from the pulley cover and the cords described in the aforementioned step together with cable clip bands large Only for the BB type models EU type models Clamp the three cords described in the aforemen tioned step with core large diameter φ23 mm Secure the cords clamped with core large with ...

Page 11: ...to the electrical control box with the screws four pieces you have removed in the aforementioned step 7 Connecting the cords 2 Sensor head side Secure cord of the sensor head asm with clamp of the operation plate asm When securing the cord carefully pre vent the cord from being excessively tensed or excessively loosened to inter fere with other parts WARNING 1 Be sure to turn OFF the power to the ...

Page 12: ...l not be caught under the machine head Secure the cord described in the aforementioned step with clamps two pieces of the under cover Take care not to excessively tense the cord Only for the BB type models EU type models Clamp the cords of the sensor head asm with core small diameter φ12 mm Secure the cords at both ends of core small with cable clip bands small two pieces to prevent core small fro...

Page 13: ...other Sensor mounting plate Jig WARNING 1 Be sure to turn OFF the power to the sewing machine for the sake of safety before assembling the sen sor amplifier components 2 Be sure to firmly tighten the screws to prevent them from loosening by vibration when the sewing ma chine is in operation 3 Jig is separately available The gauge set part number 40250040 for the SD 29 should be purchased separatel...

Page 14: ...ht when using the accessary plated bobbin case change it with the existing separately available non plated bobbin case part number 40125507 to carry out adjust ment Adjust the position of the sensor final positioning with screws and as shown in Fig 1 excluding screws and in Fig 1 so that the light receiving section of the sensor on the surface of the bobbin case is irradiated as shown in Fig 2 1 A...

Page 15: ...cause a reduction in the amount of sensor light received adjust screws to position the reflective seal as de scribed below See the figures given below The bobbin case is attached Adjust the position of the reflective seal so that the sensor light hits it The bobbin case is not attached Adjust the position of the reflective seal so that the sensor light does not hit it S e n s o r Reflective seal S...

Page 16: ...ered the sen sor head asm will interfere with the under cover to cause false detection deviation of sensor position 2 If the sensor head asm interferes with the under cover check the sensor po sition If the sensor has moved out of position re adjust the sensor position correctly Refer to 8 Adjusting the sensor position p 11 1 Do not raise the main body of sewing machine with the jig placed on the ...

Page 17: ...or light It is recommended to observe the light value of the amplifier simultaneously with the movement of the needle thread and stop turning the pulley by hand at around the position where the light value of the amplifier reaches the minimum value 4000 or less Press the TUNE button located on the left side of the amplifier of the sensor amplifier once Display 2Pnt 9999 blinks on the amplifier and...

Page 18: ...annel Be aware that the sensor may fail to carry out detection normally if the on off state of the L and D is reversed Refer to the next page for how to set the DPC function The DPC function is a correction function to help the user to use the SD 29 satisfactorily The DPC function works to allow the SD 29 to carry out detection with stability even when the quantity of light received by the sensor ...

Page 19: ... correctly set it will be necessary to carry out the power tuning Setting value 9999 Setting value oFFd 2 Setting value SHS 100 Previous page The set values given below are the default values factory set at the time of shipment If any of the values is different from the default values given below change it to the default value Set ON OFF of the DPC function in this step Power Tuning ...

Page 20: ... acceptable If the transit time is smaller than 120 μs the threshold should be increased The threshold can be changed with the and while the solution viewer mode is placed in ON Difference in the quantity of light received specification value 5500 or more If it is smaller than 5500 carry out the procedure described in 9 Turning the sensor p 14 again If the difference in the quantity of light recei...

Page 21: ... solution viewer If the value does not fall within the specification value range carry out setting or adjustment of the solution viewer again Then carry out the steps of procedure from the aforementioned step 5 Refer to 11 1 Specification values and handling method p 18 7 Turn OFF the solution viewer 11 3 How to turn ON and OFF the solution viewer 1 Keep the MODE and L D held pressed simultaneousl...

Page 22: ... notification message for the error which has been detected first will be displayed Phenomenon Message displayed on the operation panel Display condition Stitching failure stitch skipping Stitching failure needle thread break age M640 Stitch skipping is detected In the case stitch skipping is detected in repetition by the number of stitches set with the U221 or more Stitching failure double catchi...

Page 23: ... this case the sewing machine can run up to thread trimming 2 The message is displayed at the time of first de tection the sewing machine stops immediately The sewing machine stops immediately when the number of times of detection set with the U225 and U226 is reached 3 The message is displayed at the time of first detection the sewing machine stops at the time of thread trimming The sewing machin...

Page 24: ...be displayed when two continu ous times of stitch skipping have occurred twice 5 In the case U224 Operation of detecting stitch skipping and double catching is set to 1 The message is displayed at the time of thread trimming the message will be displayed at the time of thread trimming In the case U222 Number of stitches to detect double catching is set to 2 One double catching is detected when dou...

Page 25: ... setting you have made to S116 Stitch skipping and double catch ing detecting function will be reflected without turning the power OFF Minimum setting required to enable the detecting function Set the memory switch U220 Stitch skipping and double catching detecting function to 1 Set the U221 and U222 to 1 or a larger value Set the sewing pattern data S116 to En able Enable Disable In the case U220...

Page 26: ...s 9999 Wait until the DPC function has finished If the light quantity of the amplifier is 9000 or more carry out the power tuning to correct the light quantity to 9999 If cloth chips thread waste oil coming from the hook or your fingers etc frequently adhere to the surfaces of the sensor head and bobbin case and the reflective seal the optional part separately available air blower set part number ...

Page 27: ... When it is in the OFF state SoLU oFF is displayed Transit time specification value 120 μs or more milliseconds are all acceptable If the transit time is smaller than 120 μs the threshold should be increased The threshold can be changed with the and while the solution viewer mode is placed in ON Difference in the quantity of light received specification value 5500 or more If it is smaller than 550...

Page 28: ...n plate held down Doing so can cause the sensor to move out of position 2 If the operation plate interferes with the under cover the sensor sensitivity should be checked as de scribed in 9 Turning the sensor p 14 If you find a problem with the sensor sensitivity carry out the procedures described in 8 Adjusting the sensor position p 11 and 9 Turning the sensor p 14 How to turn ON and OFF the solut...

Page 29: ...the beginning of sewing no thread is present on this side of the bobbin case there is no problem The figure given below indicates the state that channel 1 is used 1 OFF 1 Right side lights up D Lights up DPC Lights up ST Lights up 9999 If the display on the am plifier is about 9000 the DPC function will work to automatically correct the value to 9999 ...

Page 30: ...te characters displayed on the right side of the amplifier is located lower than the characters green characters displayed on the left Cause 1 The operation plate remains in its lower posi tion 2 The bobbin case and the sensor head are stained 3 The operation plate index plunger has moved out of the correct setting position 4 The sensor has moved out of position Contact the maintenance personnel A...

Page 31: ...ifier If the display on the amplifier is about 9000 the DPC function will work to au tomatically correct the value to 9999 WARNING 1 Do not tilt or raise the main body of sewing machine with the operation plate held down Doing so can cause the sensor to move out of position 2 If the operation plate interferes with the under cover the sensor sensitivity should be checked as de scribed in 9 Turning ...

Page 32: ...ases however the knob will not be fully returned to its home position It is therefore necessary to push the top of the knob into position by hand When the display on the amplifier is 9999 the in dex plunger is correctly locked WARNING 1 Do not tilt or raise the main body of sewing machine with the operation plate held down Doing so can cause the sensor to move out of position 2 If the operation pl...

Page 33: ... ４６ ４７ ４７ ４８ ４８ ４８ ４８ ５０ ５１ ２４ ２５ ２７ ２８ ２８ ２９ ４９ ４９ ２６ ２３ ３２ ３３ ３４ ３５ ３５ ３８ ４４ ４４ ４０ ４０ ３９ ４１ ４２ ４３ ４５ ４０ ３６ ４０ ３７ ３１ ３０ １７ １８ １９ ２０ ２０ ２２ ２１ ２１ ２１ ２１ １６ １ ３ ４ ６ ７ ８ ９ ５ ９ ９ ９ ２ １１ １２ １３ １１ １３ １２ １４ １０ １５ Ａ Ａ ５６ ５２ ５３ ５４ ５５ ５９ ５８ ５７ SD 29 equipment components ...

Page 34: ...プ取付板Ｂ 1 26 225 56906 FIXED PLATE コテイイタ 1 27 SS 7110570 SP SCREW 11 64 40 L 4 8 マルヒラネジ １１ ６４ ４０ Ｌ ４ ８ 1 28 400 08978 RUBBER D ボウシンゴムＤ 2 29 SL 6030592 TN SCREW M3 L 5 座金付き六角穴ボルト Ｍ３ Ｌ ５ 2 30 402 39337 SENSOR_BRACKET_ASM センサーブラケット組 1 31 402 24385 FIXED_PLATE_RIGHT 固定板右 1 32 402 24386 FIXED_PLATE_LEFT 固定板左 1 33 402 24388 FIXED_BASE_PLATE 固定ベース板 1 34 402 24389 OPERATING_BASE_PLATE 稼動ベース板 1 35 402 24390 ...

Page 35: ...R LZ 2290CF ＬＺ ２２９０ ＣＦ 用 REF NO NOTE PART NO D E S C R I P T I O N 品 名 Qty 1 01 402 39334 MOTOR_CAP_ADD_CS モーター油防板追加工 ＣＳ 1 2 02 402 39331 MOTOR_CAP_ADD_CF モーター油防板追加工 ＣＦ 1 3 402 39330 MOTOR_BASE_ADD モーター土台追加工 1 4 SM 4040655 SP SCREW ナベコネジ Ｍ４ Ｌ ６ 3 5 225 28509 FELT イトチョウシサラフェルト 2 6 402 43491 THREAD_RELEASE_PIN_SPRING 糸緩めピンばね 1 ...

Page 36: ...s 5 3 OPTIONAL PARTS COMPONENTS オプション関係 ４９ ４６ ４４ ３８ ４０ ４３ ４２ ３９ ４５ ３４ ３６ ３７ ４ ３ ５ ５ ６ ７ ２ １ １３ １１ １０ １８ １７ １６ １２ １４ １５ ２１ ２２ ２０ ９ ２３ ５８ ５３ ５４ ５５ ５６ ５７ ５２ ２８ ２８ ４７ ４８ ３０ ３３ ３３ ３１ ３１ ２９ ２９ ５０ ４１ ３５ ２４ ８ １９ Ａ Ａ ２６ ２７ ２５ ５１ ３２ ...

Page 37: ...3323 UNION_Y 継ぎ手 2 29 BT 0400251 EB URETHANE TUBE BLACK 4X2 5 ポリウレタンチューブ黒 ４Ｘ２ ５ 0 2 30 PJ 3080400 06 UNION ユニオンワイ 1 31 BT 0320201 EB URETHANE TUBE BLACK 3 18X2 ポリウレタン チューブ 黒 ３ １８Ｘ２ 0 4 32 BT 0400251 EB URETHANE TUBE BLACK 4X2 5 ポリウレタンチューブ黒 ４Ｘ２ ５ 2 33 PC 0124060 00 SPEED CONTROLLER スピードコントローラ 2 34 PV 1305390 00 3 PORT ELECTROMAGNETIC VALVE ３ポートデンジベン 1 35 SK 3311600 SE WOOD SCREW D 3 1 L 16 丸木ねじ Ｄ ３...

Page 38: ... low output mode has been factory set to enable set value 1 as standard at the time of shipment For the LZ 2290CF X73258 the needle thread tension is minimized when the set value is 10 For the set values 9 or less the AT solenoid will be placed in the OFF state In this case the needle thread tension by the tension disk part will not be applied to the needle thread If the memory switch U136 AT low ...

Page 39: ...n of 12 stitch es the shape stitch length will be the same in the following two cases In the case of S004 0 1 mm S055 0 In the case of S055 1 1 mm S004 If you want to correct the stitch length more finely than using S004 Stitch length finely correct it using S055 Shape length correction S055 Shape length correction S004 Stitch length With S055 Shape length correction function data on the shape of ...

Page 40: ...y out the procedure described in 9 Turning the sensor p 14 again If the difference in the quantity of light received is still smaller than 5500 even after you have carried out tuning of the sensor carry out the procedure described in 8 Adjusting the sensor position p 11 again The aforementioned specification values are the result of the test using FUJIX Ltd for Resilon 60 thread It is necessary to...

Page 41: ...frequency of miss ing the stitching failure may increase If the number of malfunctions that occurs in a day is larger than the value shown in the perfor mance graph given below carry out measurement with the solution viewer The performance will be improved by increasing the transit time or increasing the difference in the quantity of light received as compared with the current values in accordance...

Page 42: ...late index plunger has moved out of its correct set position Re install the operation plate to its correct set position 4 The sensor has moved out of its correct position Refer to 11 Solution viewer function p 18 Check whether or not the DPC function is turned ON during sewing Refer to 11 Solution viewer function p 18 for the solution viewer If the specification value is not obtained in the proced...

Page 43: ...s cloth chips on the sensor light path If you are worried about stains such as cloth chips or if you need to clean the device frequently use the optional part separately available air blower set part number 40240043 as shown in the figure given below A When you use this device it is recommended to minimize the hook oil amount in order to maintain and improve performance of the device If you worry ...

Page 44: ...Signal lamp optional During the sewing machine rotation Normal Double catching Stitch skipping Green Yellow Red In the normal condition ON OFF OFF Detection of a stitch skipping before confirmed ON OFF ON Detection of a stitch skipping confirmed OFF OFF ON Detection of a double catching before confirmed ON ON OFF Detection of a double catching confirmed OFF ON OFF While the sewing machine is at re...

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