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JUKI DDL-5550N-7 User Manual

JUKI DDL-5550N-7
44 pages
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No.04
29117629
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.
注意 : 為了安全地使用,請您在使用之前一定閱讀本使用說明書。
另外,請您注意保管本使用說明書,以便隨時查閱。
取扱説明書
使用說明書
INSTRUCTION MANUAL
DDL-5550N-7

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JUKI DDL-5550N-7 Specifications

General IconGeneral
BrandJUKI
ModelDDL-5550N-7
CategorySewing Machine
LanguageEnglish

Summary

TO ENSURE SAFE USE OF YOUR SEWING MACHINE

Explanation of Risk Levels

Defines DANGER, WARNING, and CAUTION levels for safety.

Explanation of Pictorial Warning Indications and Labels

Explains various safety symbols and their meanings used in the manual.

SAFETY PRECAUTIONS

General Safety Guidelines

Covers basic precautions, safety devices, application rules, and operator training.

Power Off Procedures

Lists essential operations that require the machine's power to be turned off.

PRECAUTIONS IN VARIOUS OPERATION STAGES

Transportation and Unpacking

Guidelines for safely moving, unpacking, and handling the sewing machine.

Installation

Steps for installing the machine, including table, wiring, grounding, and motor.

Operation Checks and Safety

Pre-operation checks and safety rules for during machine operation.

PRECAUTIONS IN VARIOUS OPERATION STAGES (Continued)

Lubrication Safety

Guidance on using JUKI genuine oil and handling it safely.

Maintenance Safety

Safety procedures for repair, adjustment, and cleaning, emphasizing qualified personnel.

Operating Environment Guidelines

Guidelines for safe operation regarding environmental conditions like noise, voltage, and temperature.

DDL-5550N-7 Series Additional Safety Precautions

BEFORE OPERATION

SPECIFICATIONS

INSTALLATION

Installing the Under Cover

Step-by-step guide for fitting the under cover onto the machine table.

INSTALLING BELT COVER AND BOBBIN WINDER

ADJUSTING THE HEIGHT OF THE KNEE LIFTER

INSTALLING THE THREAD STAND

LUBRICATION

Lubrication Information and Break-in

Details on filling the oil pan and break-in procedures for new or unused machines.

ADJUSTING FACE PLATE OIL AMOUNT

ADJUSTING OIL AMOUNT IN HOOK

ATTACHING THE NEEDLE

SETTING THE BOBBIN INTO THE BOBBIN CASE

ADJUSTING THE STITCH LENGTH

ADJUSTING PRESSER FOOT PRESSURE

THREADING THE MACHINE HEAD

THREAD TENSION

Adjusting Upper Thread Tension

How to adjust tension for the upper thread using two nuts.

Adjusting Bobbin Thread Tension

Method for adjusting the tension of the bobbin thread using a screw.

THREAD TAKE-UP SPRING

Changing Stroke of Thread Take-Up Spring

Adjusting the travel distance of the thread take-up spring.

Changing Pressure of Thread Take-Up Spring

Adjusting the tension or pressure of the thread take-up spring.

ADJUSTING THE THREAD TAKE-UP STROKE

ADJUSTING THE NEEDLE STOP POSITION

ADJUSTING NEEDLE STOP POSITION

Stop Position After Thread Trimming

Adjusting the needle's stopping point after thread trimming.

Lower Stop Position

Adjusting the needle's lowest stopping point when the pedal is released.

PEDAL PRESSURE AND STROKE

Adjusting Front Pedal Pressure

How to adjust the force needed to depress the front part of the pedal.

Adjusting Back Pedal Pressure

How to adjust the force needed to depress the back part of the pedal.

Adjusting Pedal Stroke

Modifying the travel distance of the pedal.

ADJUSTMENT OF THE PEDAL

Installing the Connecting Rod

Guidance on connecting the rod for pedal operation.

Adjusting the Pedal Angle

Methods to adjust the tilt angle of the pedal.

PEDAL OPERATION

ONE-TOUCH REVERSE FEED STITCHING

How to Operate

Instructions for using the one-touch reverse feed stitching mechanism.

Height of Switch Lever

Adjusting the height of the switch lever for ease of use.

WIPER

Positioning the Wiper

How to adjust the wiper position based on fabric thickness.

NEEDLE-TO-HOOK RELATIONSHIP

COUNTER KNIFE

TILT OF THE FEED TIMING

HEIGHT OF THE FEED DOG

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