JUKI LK-1930 - Engineer's Manual

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29326600

No.E329-03

ENGINEER’S MANUAL

Computer-controlled High Speed

Bar Tacking Industrial Sewing Machine

LK-1910 / LK-1920

Computer-controlled High Speed Bar Tacking

Industrial Sewing Machine with Input Function

LK-1930

Main Page

Default Chapter3
- Table of Contents3
Specifications6
Configuration7
- Names of Main Unit7
- Name of the Switches on the Operation Box (LK-1910, 1920)8
- Names of the Switches for the Sewing Machine Operation (LK-1930)9
- Names of Display Indications (LK-1930)9
Adjustments10
- Adjustment of the Main Shaft Components10
- Adjusting the Intermediate Presser Components (LK-1920, 1930)12
- Adjusting the Wiper Components18
  - Adjusting the Position of the Wiper18
- Adjustment of the Shuttle Driver Shaft Components20
- Adjustment of the Thread Trimmer Mechanism Components22
- Adjustment of the Tension Release Components30
- Adjusting the Sensor Components32
- Adjustment of the Feed Mechanism Components36
- Adjusting the Bobbin Thread Winder Components42
  - Adjusting the Position of the Bobbing Winder Driving Wheel42
- Adjusting the Presser Components42
- Adjustment of the Sewing Components48
Stitching Pattern53
- Service Pattern53
- Patterns for Users53
Memory Switch55
- Operating Method (LK-1910, 1920)57
  - How to Start the Memory Switches57
  - How to Finish the Memory Switches60
How to Use the Memory Switch (Lk-1930)61
- Memory Switch61
- Explanation of the Operation Panel to be Used61
- How to Start the Memory Switches62
- How to Change the Contents of each Setting62
- Write-In of the Contents of Setting63
- Writing/Reading of the Contents of the Memory Switches Onto the Floppy Disk64
Description of the Memory Switches (Lk-1930)65
Initialization of the Memory Switch (Lk-1930)90
- How to Initialize90
- Table of the Initial Setting91
Complementary Explanation of Function Nos. (Lk-1930)95
- Fixed Retracted Position Setting (Function No. 003)95
- How to Use the Bank Function (Function No. 021 and 075)96
- Combination Function101
- How to Set the Sequence of the Feeding Frame Operation (Function Nos. 030 to 033, 98, 99)104
Test Mode (Lk-1910, 1920)109
- Operating Method110
Test Mode (Lk-1930)119
- How to Start the Test Mode119
- Test Mode Function119
Parts Grease or Lock-Tight Paint Is Applied124
Presser Dimensions126
How to Use Optionals128
- Needle Cooler (Pneumatic Type Only)128
  - Installing Procedure of the Needle Cooler128
  - How to Use the Needle Cooler130
- Inverting Clamp Device (FU-02S, FU-02L)132
  - Installing the Inverting Clamp Device132
  - How to Use the Inverting Clamp Device134
- Tension Controller No. 3 (Pneumatic Type)136
  - Installing the Tension Controller No. 3 (B50192220B0)136
  - How to Use the Tension Controller No. 3140
- Disk Floating Device for Basting Stitch142
  - Installing Disk Floating Device142
  - How to Use Disk Floating Device142
Table of Error Indication ( Lk-1910, 1920)144
Error Message Table (Lk-1930)145
Power Switch Connection Diagram147
- For 3-Phase 200, 220 and 240V147
- For Single-Phase 100V, 110V, 120V, 200V, 220V and 240V147
- For 3-Phase 220V, 240V, 380V, 400V and 415V148
- For Single-Phase 220V, 240V, 380V, 400V and 415V149
Connection of the Power Plug150
- Overseas Market : 100V Series 200V Series150
- Overseas Market : 380V Series151
Change of the Power Voltage152
- Change of the Voltage from 100 to 240 V152
- Change of the Voltage from 220 to 415 V152
Maintenance and Inspection153
- Replacing the Printed Circuit Boards153
Troubles and Corrective Measures155
- Mechanical Parts155
- With Regard to Sewing157
- Electrical Parts (Also, Refer to Block Diagram.)164
Curcuit Diagram171
- Block Diagram (LK-1910, 1920)171
- Block Diagram (LK-1930)172
- Power Circuit Diagram a (LK-1910, 1920)173
- Power Circuit Diagram a (LK-1930)174
- Power Circuit Diagram B (LK-1910, 1920)175
- Power Circuit Diagram B (LK-1930)176
- Head Sensor Circuit Diagram177
- Solenoid Valve Circuit Diagam178
- Solenoid Circuit Diagram179
- Stepping Motor Circuit Diagram180
- Pedal Switch Circuit Diagram181
- 3-Step PK Pedal Circuit Diagram182
- Servo Motor Circuit Diagram183
- Pneumatic System Circuit Diagram184
Drawing of the Table185

JUKI LK-1930 - Engineer's Manual

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