JUKI DLN-6390 User Manual

取扱説明書
INSTRUCTION MANUAL BETRIEBSANLEITUNG
MANUEL D’UTILISATION MANUAL DE INSTRUCCIONES
MANUALE D’ISTRUZIONI
使用说明书
注意： このたびは、当社の製品をお買い上げいただきましてありがとうございました。
 安全に使用していただくために、使用前に必ずこの取扱説明書をお読みください。
 また、いつでもすぐに読めるように、この取扱説明書を保管してください。
NOTE : Read safety instructions carefully and understand them before using.
Retain this Instruction Manual for future reference.
HINWEIS : Lesen Sie die Sicherheitsanweisungen aufmerksam durch, um sich mit ihnen vertraut
zu machen, bevor Sie diese Maschine in Betrieb nehmen. Bewahren Sie diese
Bedienungsanleitung für spätere Bezugnahme auf.
NOTE : Avant d’utiliser la machine, lire attentivement toutes les consignes de sécurité.
Conserver ce manuel pour pouvior le consulter en cas de besoin.
NOTA : Antes de comenzar a usar esta máquina lea con detención hasta comprender todas las
instrucciones de sequridad. Conserve este Manual de instrucciones a mano para futuras
consultas.
NOTA : Leggere attentamente e compredere tutte le istruzioni per la sicurezza prima di inziare l’ uso
di questa macchina. Conservare questo Manuale d’Instruzioni per pronto riferimento.
注意 : 为了安全地使用，请您在使用之前一定阅读本使用说明书。
另外，请您注意保管本使用说明书，以便随时查阅。
DLN-6390
DLN-6390-7
No.11
40004051

JUKI DLN-6390 Specifications

General

Brand	JUKI
Model	DLN-6390
Category	Sewing Machine
Language	English

Summary

TO ENSURE SAFE USE OF YOUR SEWING MACHINE

Explanation of Risk Levels

Explains danger, warning, and caution levels for safety.

Explanation of Pictorial Warnings and Labels

Details pictorial warnings for injury, electrical shock, burn, entanglement, and correct direction.

SAFETY PRECAUTIONS

Basic Precautions

Emphasizes reading manuals, wearing goggles, and consulting a doctor for heart pacers.

Lubrication Guidelines

Recommends JUKI genuine oil and grease.

Safety Devices and Warning Labels

Stresses correct installation and visibility of safety devices and labels.

Maintenance Procedures

Details repair by qualified personnel, using genuine parts, and periodic cleaning.

Application and Modification

Warns against using the machine for unintended applications or modifying it.

Installation - Cable and Wiring

Precautions for preventing electrical shock and fire from cables.

Installation - Grounding

Importance of proper grounding to prevent accidents.

Power Off Procedures

Lists operations requiring the power to be turned off, like threading or cleaning.

Precautions in Operation Stages

General precautions for various stages of machine operation.

Before Operation Checks

Checks for connectors, cables, and avoiding moving parts.

During Operation Precautions

Warns against contact with moving parts and specific areas like the needle.

FOR SAFE OPERATION

General Safety Instructions

General safety instructions for operating the sewing machine.

CAUTION BEFORE OPERATION

Pre-Operation Checks

Key checks before operation to prevent malfunction and damage.

II. INSTALLATION (COMMON TO BOTH MODELS)

Setting the Belt

Instructions for fitting and adjusting the drive belt tension.

Installing the Hemming Binder

Details on installing the hemming binder and its air cylinder.

III. INSTALLATION (DLN-6390-7)

Installing and Setting SC-921

Steps to install and set up the SC-921 control unit.

Wiring the Cords

Piping Pneumatic and Wiring Electric Components

Guide for pneumatic piping and electrical wiring connections.

IV. INSTALLATION (DLN-6390)

Selecting Motor Pulley and Belt

Installing the Motor

Set-up of Hemming Binder Open/Close Mechanism

Set-up of Presser Foot Lifting Mechanism

Simultaneous Operation of Presser Foot Lifting and Hemming Binder

V. LUBRICATION AND DRAINING

Lubrication

Details on filling the oil reservoir and checking lubrication levels.

Adjusting Amount of Oil - Face Plate Parts

Adjusting Amount of Oil - Hook

VI. OPERATION

Attaching the Needle

Setting Bobbin in Bobbin Case

Threading the Machine Head

Adjusting Stitch Length

Thread Tension Adjustment

VII. ADJUSTING THE SEWING MACHINE

Adjusting Needle Bar Height

Installing Hook Position

Adjusting Upper Feed Roller Pressure and Height

Adjusting Presser Foot Pressure and Height

Adjusting pressure and height for the presser foot assembly.

VIII. TROUBLES IN SEWING AND CORRECTIVE MEASURES

Stitch Skipping Issues

Thread Breakage Issues

Needle Breakage

Stitch Skipping

Thread Breakage

Irregular Thread Tension

IX. THREAD TRIMMER COMPONENTS

Checking Moving Knife Receding Position

Procedure to check and correct the moving knife's receding position.

Checking Thread Trimmer Cam Timing

How to check and verify the thread trimmer cam timing.

XI. SETTING OF SC-921

Setting Auto Lifter Function

How to enable or disable the auto-lifter function via the SC-921.