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JUKI LK-1910 User Manual

JUKI LK-1910
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13
3-15. Attaching and removing the bolt for transportation
When transporting the sewing machine, x the sewing machine main unit and table with the bolt for
transportation.
When operating the sewing machine, remove the bolt. If the machine is operated with the bolt xed,
vibration of the machine head is transmitted to the table. As a result, feed movement may be badly
affected or the element inside the control box may be damaged.
(When transporting the
sewing machine)
(When using the
sewing machine)

Table of Contents

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JUKI LK-1910 Specifications

General IconGeneral
BrandJUKI
ModelLK-1910
CategorySewing Machine
LanguageEnglish

Summary

Specifications

Configuration

Names of Main Unit

Identifies and explains the main components of the sewing machine.

Operation Panel Switches and Functions

Details the names and functions of switches on the sewing machine's operation panel.

Installation

Installing the Table

Step-by-step instructions for assembling and installing the sewing machine table.

Electrical Box Installation Procedure

Detailed steps for installing the electrical box, including mounting plates and screws.

Connecting the Power Source Cord

Instructions for connecting single-phase and three-phase power source cords.

Carrying and Installing the Sewing Machine Head

Guidance on safely carrying the sewing machine and installing the head unit.

Motor Cover and Pedal Switch Installation

Instructions for installing the motor cover and connecting pedal switches (solenoid/pneumatic).

Tilting Head and Installing Operation Panel

Procedures for tilting the sewing machine head and mounting the operation panel.

Connecting the Cords

Detailed guide for connecting various internal and external cords to the sewing machine.

Cord Handling and Eye Protection Cover

Instructions on managing cords and installing the eye protection cover for safety.

Thread Stand and Auxiliary Throat Plate Cover

Steps for installing the thread stand and the auxiliary throat plate cover.

Transportation Bolt Attachment/Removal

Procedure for attaching and removing the bolt used for transporting the sewing machine.

Operation of the Sewing Machine

Lubrication

Daily and periodic lubrication points for the sewing machine head and components.

Needle Attachment and Threading

Instructions for attaching the needle and threading the machine head, including presser adjustment.

Bobbin Case, Bobbin Installation & Thread Tension

Steps for installing/removing the bobbin case, installing the bobbin, and adjusting thread tension.

Adjusting Thread Take-up Spring and Intermediate Presser

Guides for adjusting the thread take-up spring and intermediate presser height/stroke.

Basic Sewing Machine Operation

Model Selection

Procedure for selecting the sewing machine model upon initial startup or PCB replacement.

Language Selection

How to select the display language for the operation panel.

Setting Pattern Number and Item Data

Instructions for setting the pattern number and modifying item data like X/Y scale.

Checking Sewing Pattern Contour

Procedure to check the sewing pattern's contour to prevent interference and needle breakage.

Sewing Operation

Instructions for performing sewing with both solenoid and pneumatic types of machines.

Changing Patterns and Winding Bobbins

Steps for winding a bobbin, both during and separate from sewing.

Bobbin Thread Winder Adjustment

Adjusting bobbin winder thread tension and winding amount.

Advanced Sewing Machine Operation

Performing Sewing with Pattern Keys

How to register and perform sewing using pattern keys (P1-P50).

Sewing Using the Combination Function (Cycle Sewing)

How to perform sewing using multiple patterns in a cycle sequence.

Editing Cycle Sewing Data

Procedure for editing, adding, or deleting pattern data within a cycle.

Sewing with Counter Function

Procedure for setting and using various counters for production tracking.

Using the Temporary Stop Function

How to temporarily stop the sewing machine during operation and restart it.

Copying and Deleting Pattern Data

Instructions for copying or deleting standard, user, direct, and cycle pattern data.

Communication via USB

Precautions and specifications for using USB thumb drives for data transfer.

Using the Communication Function

Steps for inputting/outputting data using a USB thumb drive.

Cautions During Operation

Important warnings and operational advice, including sewing speed recommendations.

Managing Standard Pattern Invoking

How to enable or disable the invocation of standard patterns to prevent errors.

Maintenance

Adjusting Needle Bar Height

Procedure for adjusting the height of the needle bar for optimal stitch formation.

Needle-to-Shuttle Relation Adjustment

Steps to adjust the timing and clearance between the needle and shuttle.

Work Clamp Foot and Knife Adjustments

Adjusting the lift of the work clamp foot and the positions of the moving and counter knives.

Thread Tension Disk and Breakage Detector Adjustment

Adjusting thread tension disk rising amount and the thread breakage detector plate.

Waste Oil Drainage and Fuse Replacement

Procedures for draining waste oil and safely replacing fuses.

Using the Memory Switch

Method of Changing Memory Switch Data

Steps to access and modify settings via the memory switch function.

Memory Switch Function List

A comprehensive list of memory switch functions, their settings, and initial values.

Others

LK-1910/-1920 Data ROM

Information on the data ROM and its insertion into the MAIN PCB.

Connecting the 2-Step Pedal

Instructions for connecting the optional 2-step pedal to the sewing machine.

Connecting the PK-57 Pedal

Steps for connecting the PK-57 pedal and its associated cables.

Connecting the 2-Step PK Pedal

Instructions for connecting the 2-step PK pedal unit.

Error List

A list of error codes, their indications, descriptions, and corrective measures.

Troubleshooting and Corrective Measures

Common troubles, their causes, and corrective actions for sewing issues.

Table of Optional Parts

A list of optional parts with their types, part numbers, and descriptions.

Silicon Oil Tank Installation

Guidance on fixing the silicon oil tank when using synthetic fiber thread.

Table Drawings

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