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JUKI MO-634DE User Manual

JUKI MO-634DE
29 pages
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JUKI MO-634DE Specifications

General IconGeneral
TypeOverlock Sewing Machine
Number of Threads3 or 4
Stitch TypeOverlock, Rolled Hem, Flatlock
Stitch Length1-4 mm
Differential Feed Ratio0.7 - 2.0
Differential FeedYes
Presser Foot Lift5 mm
Maximum Sewing Speed1, 500 stitches per minute
Needle TypeHAx1

Summary

Important Safety Instructions

DANGER and WARNING Messages

General safety rules covering electrical hazards, burns, fire, and injury risks.

Key Safety Precautions

Risk of Finger Injury

Precautions related to moving needles and knives.

Risk of Electric Shock

Precautions for cleaning, lubricating, and electrical safety.

Machine Preparation

Connecting Foot Controller and Power

Steps for attaching the foot controller and switching power on/off.

Needle and Tension Adjustments

Threading Sequence: Upper Looper

Threading Sequence: Lower Looper

Threading Sequence: Right Needle

Threading Sequence: Left Needle

3-Thread Overlocking

Setting Up for 3-Thread Overlock

Instructions for configuring the machine for 3-thread overlocking.

Trial Sewing and Tension Check

Thread Tension Adjustment

Adjusting Thread Tension Dials

Guide to setting thread tension for various fabrics.

Thread Tension Adjustment Guide

Troubleshooting Thread Tension Issues

How to correct looping or puckering caused by tension.

Differential Feed Adjustment

Adjusting Differential Feed for Fabric

How to set differential feed for gathering or stretching fabric.

Roll Hemming Technique

Special Sewing Applications

Troubleshooting Common Sewing Issues

Machine Maintenance

Troubleshooting Guide

Diagnosing and Correcting Problems

Table of common problems and their solutions.

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