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JUKI LZ-2290A-DS, Руководство инженера

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Caution in disassembling

Caution in assembling

Содержание LZ-2290A-DS

Страница 1: ...ENGINEER S MANUAL 40011067 No E355 01 Computer controlled Direct drive High speed 1 needle Lockstitch Zigzag Stitching Machine LZ 2290A Series IP 100A SC 915 IP 100D SC 916 R ...

Страница 2: ... delivery Max zigzag width of all machines is 10 mm 3 Normal and reverse feed amounts are regulated to 2 mm at the time of delivery Model Application Max sewing speed Max zigzag width Max feed amount Normal reverse Stitch pattern Needle Dimension of the bed Number of revolution of resistor pack Needle bar stroke Bobbin winder Wiper Automatic reverse stitching device Lubrication Lift of the presser...

Страница 3: ...attern 3 Pattern 4 Standard scallop Crescent scallop Equal width scallop Equal width scallop Standard scallop Crescent scallop Equal width scallop Equal width scallop Number of stitches for pattern Max zigzag width Remarks 1 2 4 6 24 12 24 12 2 a 3 6 a a Straight stitch Standard zigzag stitch 2 step zigzag stitch 3 step zigzag stitch Scallop right Scallop left 10 500 ...

Страница 4: ...1 2 3 4 5 6 7 Mark on feed adjustor 8 3 5 5 Engraved marker dot on bed Feed rocker cam Feed rocker rod Alignment of timing marks Top suface of throat plate Comes down A B Timing mark on face plate G I Engraved marker line on thread take up Timing mark on face plate F ...

Страница 5: ...ing the feed stepping motor unit refer to 3 3 2 Adjusting the feed amount B Procedure with the gear box large lid installed For fine adjustment A SR It is possible to check standard timing without opening the gear box large lid 1 Adjust the engraved marker line on the thread take up to timing mark F on the face plate 2 It is the standard timing that the top surface of feed dog almost aligns with t...

Страница 6: ...t A SR only Standard Adjustment 4 4 4 5 Normal feed amount 0 Extreme left end of speed variable resistor Straight stitching 1 2 3 1 3 2 Feed stepping motor unit To smoothly rotate 6 Less than 700g by spring balancer is the srandard ...

Страница 7: ...d link shaft 3 only 1 Loosen three fixing screws 4 in the feed stepping motor unit and perform the vertical adjustment of feed stepping motor unit 5 2 After the adjustment check that feed adjustor link 6 smoothly moves with the presser foot lifted 3 The standard that feed adjustor link 6 smoothly moves is the feed mechanism torque less than 700g by the spring balancer before setting the feed stepp...

Страница 8: ... hand direction turn timing belt 1 to the front by fingers then timing belt 1 can be removed 4 Replace timing belt 1 with a new one and install again by reversing the above order A SR only 2 Tilt the sewing machine remove feed stepping motor connector 2 and remove feed lever spring 3 from the spring bracket When removing feed lever spring 3 perform the work using a radio pincers or the like 3 Loos...

Страница 9: ... 6 and remove the motor with the coupling installed When the motor is separated from the coupling set the clearance between the end face of the motor and that of the coupling to 0 5 mm when re assembling For re assembling the stepping motor unit refer to 3 2 Adjusting the feed timing 0 5 mm Caution in disassembling Caution in assembling ...

Страница 10: ...e the handwheel 2 Remove four setscrews 4 in the pulley cover 3 and remove pulley cover 3 3 Temporarily assemble the handwheel again Assembling the handwheel is due to the workability 4 Turn the handwheel and adjust it to UP stop position 60 º 5 Turn the power ON press switch 5 to display the information screen 2 3 4 Engraved marker line on the face plate Engraved marker line on the thread take up...

Страница 11: ...Set the handwheel to the position where the clearance between pulley cover 3 and the handwheel is approximately 1 mm and adjust screw No 1 1 to the flat position of the motor shaft Then tighten the screws in the order of screw No 1 1 and screw No 2 2 in the direction of rotation of the handwheel Make the position of handwheel flush with the end of the motor shaft and adjust screw No 1 1 in the dir...

Страница 12: ...nd screen of sewing common data setting to change to the third screen 9 Press switch 9 from the third screen of sewing common data setting to change to the reverse feed control lever adjustment screen 6 Procedures of disassembling assembling 7 8 Information screen Operator level 9 The first screen of sewing common data setting The second screen of sewing common data setting The third screen of sew...

Страница 13: ... 73 Caution in disassembling Caution in assembling ...

Страница 14: ... feed control lever adjustment screen to 22 to 32 standard assembling value using a flat blade screwdriver After the adjustment tighten setscrew 2 in the variable resistor link 12 Replacing the reverse feed control lever sensor Loosen setscrew 2 in the variable resistor link and remove variable resistor link 3 Rmove two setscrews 5 in the feed lever sensor installing plate and remove feed lever se...

Страница 15: ...f the function of the reverse feed control lever in the state that reverse feed control lever return spring 1 is hooked When the power is turned off once in case of replacing the feed lever sensor or the like turn the power on in the state that the flat position of the feed lever sensor shaft is faced downward E734 occurs Assembling position of variable resistor link 3 is the position where it lig...

Страница 16: ... are grease grooves in the both ends of bushing of feed stepping motor link A asm 2 and a grease filling hole inside feed stepping motor connecting shaft 1 Fill those parts with exclusive grease can type part No 23640204 or tube type part No 40006323 3 Connect feed stepping motor link B 3 and feed stepping motor link A asm 2 after making the looseness in the shaft direction as small as possible As...

Страница 17: ...ed stitching device This is the switch to turn ON OFF automatic reverse feed stitch at sewing end This switch cannot be used with the sewing machine which is not provided with automatic reverse feed stitching device This is the switch to make the value of bobbin thread counter or sewing counter the set value 1 Re sewing switch 2 Needle up down compensating switch 3 Screen changeover switch 4 With ...

Страница 18: ...ead trimming when the specified number of stitches has been completed This switch prohibits all thread trimmings This switch cannot be used with the sewing machine which is not provided with the automatic thread trimming device This is the switch to set the value of bobbin thread counter or No of pcs counter When moving the resistor in the left direction max speed is limited This lamp lights up wh...

Страница 19: ... functions Maintenance personnel level 1 Turn ON the power When the needle bar is not in the UP position turn the handwheel to bring the needle bar to its UP position 2 Press switch 1 for approximately three seconds to display the information screen 3 Press switches 2 through 8 corresponding to the various functions Information screen Maintenance personnel level 3 Sewing common data 5 Sewing manag...

Страница 20: ...splay screen Explanation of display R V L 01 01 01 00 Others Level Version Revision Kind of CPU Panel software Main software Servo motor software Excluding LZ 2290A SR LZ 2290A SR only Explanation of display R V L 00 00 00 00 Others Level Version Revision Kind of CPU Panel software Main software Servo motor software Feed motor software ...

Страница 21: ... of switch 5 In case of the example set it to 4 0 6 Normal feed limitation value LZ 2290A SR only Normal feed limitation value is set with of switch 6 In case of the example set it to 4 0 8 Second screen of sewing common data setting is displayed 3 Set the items below in the second screen 4 Reference of stitch base line For the reference of stitch base line there are three settings below 1 Center ...

Страница 22: ...edle may travel while it is stuck on the cloth In case the distance is more than 4 mm and zigzag motion is performed do not set this function 3 Change of feed timing LZ 2290A SR only When adjusting the heigt of feed dog or hook driving shaft sprocket timing feed dog is fed while needle is stuck on the cloth according to the feed pitch amount As a result needle bend will be caused In this case perf...

Страница 23: ...ocedure refer to 4 6 Adjusting assembling the reverse feed control lever A SR only 3 Sewing management information For the sewing management information there are the operator level and the maintenance personnel level Maintenance personnel level Press switch 5 in the information screen Maintenance personnel level Press switch 5 for approximately three seconds in the information screen Pictograph o...

Страница 24: ...cation screen Download of vector form Folder structure of vector form VDT file in the smart media Upload Uploading to the smart media is written in the folder of VDATA In case there is no folder the folder of VDATA is automatically created Download Downloading from the smart media is read from the folder of VDATA When creating the pattern with PM 1 store it in the folder of VDATA 1 Create folder V...

Страница 25: ...not necessary to create the folder when it already exists 2 Copy the file extension EPD 6 Parameter form data Condensation custom pattern 1 The condensation custom pattern created with the panel can be stored as the parameter form data 2 The same condensation custom pattern can be used with other sewing machines by downloading the parameter form data which has been stored Communication screen Down...

Страница 26: ...ree with each other An error occurs when the file of different Ver is downloaded Caution It is not possible to store and copy the function setting of the servo motor Smart media PROG SC915 Excluding LZ 2290A SR SC916 LZ 2290A SR only VDATA SC00001 EPD SC00001 MSP Upload Uploading to the smart media is written in the folder of SC915 or SC916 In case there is no folder the folder of SC915 or SC916 i...

Страница 27: ...lder when it already exists 3 Copy the program file extension PRG 8 Program data 1 When the change of software occurs in the future due to Ver up or the like rewriting of the program can be performed Rewriting of the program is performed with each CPU Communication screen Download of IP 100 program data Folder structure of program PRG file in the smart media Smart media PROG SC915 Excluding LZ 229...

Страница 28: ...Operation of sewing data cannot be performed When fall detection switch is inputted in the state that the power is turned ON When feed pitch of condensation section exceeds the range of feed When reverse feed pitch of normal sewing section exceeds the range of feed When normal feed pitch of normal sewing section exceeds the range of feed No Description of error detected 003 004 005 007 008 011 012...

Страница 29: ...sible Condensation custom pattern width error Position of stitch base line error Max zigzag width error Connection of panel which is not sup posed Inconsistency of system versions Encoder failure Motor hole sensor failure Reverse rotation of main shaft motor Reverse feed control lever sensor erroe Solenoid short circuit Overvoltage When pattern No is not set to continuous stitching When the number...

Страница 30: ...pse of 10 ms or more Deletion or writing of FROM cannot be performed at the time of downloading program RAM check error when the power is turned ON RAM check error when the power is turned ON 813 838 907 915 916 917 919 922 924 939 940 942 943 948 Check whether the votage is lower than the rated voltagw minus 10 or less Check whether 100V 200V changeover connector is set by mistake Turn OFF the po...

Страница 31: ...rn spring Refer to 4 6 11 Adjusting the reverse feed control lever sensor Lower the height of feed dog Return the mechanical adjustment value to the standard Refer to 3 1 Height and inclination of the feed dog Change the feed timing on the operation panel Adjust the feed timing Return the mechanical adjustment value to the standard Refer to 3 2 2 Adjusting the feed timing Change the feed timing on...

Страница 32: ...o the slide characteristic of material or the like Refer to the Instruction Manual Adjust the feed amount Return the mechanical adjustment value to the standard Refer to 3 1 2 Adjusting the feed amount Replace the thread tension with 2 disk type thread tension of lockstitch type Part No 40017095 Replace the feed dog with that adjusted to the feed pitch used Make minimum the clearance between throa...

Страница 33: ...2 3 CN29 CN22 CN13 CN10 CN21 CN38 CN28 T15 T14 4 P 9 P 40005971 FG FG KM000000460 5 P 5 P 3 P AMP 40005987 40005970 5V 12V 40005972 33V 24V 40005986 85V 40005985 HEAD DISCRIMINATION 30 P 8 P 4 P 4 P 4 P 12 P 7 P 85V 24V 12V 5V 40015544 PWR PCB FLT PCB BTPM PCB IP 100 D CTL PCB CN30 CN36 CN32 CN31 CN45 CN41 CN44 ELCO RED CN58 PC I F CT 5 P 5 P 5 P 13 P 8 P CN57 PC I F LZ CN59 PC I F BT CN54 CN53 CN...

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