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Mitsubishi Electric LY2-3300-B0B User Manual

Mitsubishi Electric LY2-3300-B0B
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A180E352P03
INSTRUCTION MANUAL
SINGLE-NEEDLE LOCKSTITCH UPPER AND LOWER FEED
INDUSTRIAL SEWING MACHINE
LY2-3300-B0B
MODEL
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Mitsubishi Electric LY2-3300-B0B Specifications

General IconGeneral
BrandMitsubishi Electric
ModelLY2-3300-B0B
CategorySewing Machine
LanguageEnglish

Summary

Introduction

Precaution Before Starting Operation

Safety Precautions

General safety rules for operating the sewing machine.

Precaution Before Starting Operation

Specific checks required before commencing machine operation.

Precaution for Operating Conditions

Guidelines for optimal environmental conditions for machine use.

Usage Precaution

Lubrication

Instructions for supplying oil to the sewing machine and its components.

Adjustment of Lubrication to the Rotating Hook

How to adjust the amount of oil delivered to the rotating hook.

Periodical Cleaning

Routine cleaning procedures for the machine, motor, and control box.

Installation of Belt Cover

Guidance on installing safety covers for the belt system.

Precaution on Operation

Important safety measures to observe while the machine is in use.

How to Use

Installation of the Needle

Correct procedure for installing sewing machine needles.

Winding of the Bobbin Thread

Steps and adjustments for winding thread onto the bobbin.

Threading of the Needle Thread

Detailed steps for guiding the needle thread through the machine.

Adjustment of Feed (Stitch) Length and Backstitch

How to set stitch length and reverse sewing functions.

Balance of Threads Tension

Achieving proper balance between needle and bobbin thread tension.

Adjustment of the Needle Thread Tension

Methods for adjusting the tension of the needle thread.

Adjustment of the Bobbin Thread Tension

Methods for adjusting the tension of the bobbin thread.

Adjustment of the Presser Foot Pressure

How to adjust the pressure exerted by the presser foot.

Adjustment of the Feed Dog Height

Procedure for setting the height of the feed dog.

Adjustment of the Feed Foot and the Presser Foot

Adjusting the alternating movements of feed and presser feet.

To Handle Thread at the Start of Sewing

Techniques for managing needle thread at the beginning of sewing.

Specifications

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