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JUKI MEB-3810NJ User Manual

JUKI MEB-3810NJ
112 pages
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COVERI
MEB-3810N
INSTRUCTION MANUAL

Table of Contents

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JUKI MEB-3810NJ Specifications

General IconGeneral
BrandJUKI
ModelMEB-3810NJ
CategorySewing Machine
LanguageEnglish

Summary

Installation

Table Installation

Guidelines for selecting and installing the table and stand for the sewing machine.

Installing the Sewing Machine Head

Detailed steps for mounting the sewing machine head onto the table and securing it.

Raising and Returning the Sewing Machine

Procedures for safely lifting and lowering the sewing machine to different heights.

Connecting the Cords

Diagrams and steps for connecting electrical cords to the machine's internal boards.

Installing the Air Hose

Guidance on connecting the air hose and adjusting air pressure for machine operation.

Installing Eye Protection Cover and Finger Guard

Steps for installing safety guards to protect the operator from needle breakage.

Preparation Before Operation

Machine Lubrication

Detailed instructions and diagrams for lubricating various parts of the sewing machine.

Attaching the Needle

Guidance on correctly inserting and positioning the sewing machine needle.

Threading the Machine Head

Step-by-step instructions for threading the upper and lower threads through the machine head.

Structure of the Operation Switch

Operation Panel Structure

Overview and function of each key and LED on the sewing machine's operation panel.

How to Use the Operation Panel

Basic Sewing Operation

Guide to performing basic sewing operations using the operation panel controls.

Setting the Thread Tension

Instructions on how to adjust the needle thread tension for optimal sewing results.

Temporarily Stopping the Sewing Machine

Procedure for temporarily stopping the machine and how to restart it after an error.

Performing Threading

Steps for threading the needle bar and preparing the machine for sewing.

Setting Procedure of the Sewing Data

Setting the Knife Number

Procedure to set the number corresponding to the type of knife installed on the machine.

Setting the Cut Length

How to adjust the length of material to be cut by the cloth cutting knife.

Setting the Sewing Speed

Adjusting the overall sewing speed of the machine.

Adjustment of Each Part

Adjusting Cloth Trimming Knife Pressure

Procedure for adjusting the air pressure of the regulator for the cloth trimming knife.

Adjusting Stitch Bite Width

How to adjust the stitch bite width by moving the rocking link.

Adjusting Presser Opening Amount

How to check and adjust the cloth opener amount and dimensions A and B.

Adjusting Needle Thread Drawing Amount

How to adjust the drawing amount of the needle thread at the sewing start.

How to Use Various Functions

Thread Tension Compensation Procedure

How to individually change thread tension for different sections of a buttonhole.

Copying Pattern Data

Procedure for copying pattern data from one pattern number to another.

Deleting Pattern Data

Steps for deleting stored pattern data from the machine's memory.

Maintenance

Looper Thread Trimming

Adjusting the height of the looper trimming knife if it fails to catch thread.

Needle and Looper Timing

Procedure for adjusting the timing synchronization between the needle and the looper.

Needle Bar Height

How to adjust the needle bar height for proper needle and looper positioning.

Preventing Stitch Skipping (Narrow Needle Throwing Width)

Adjusting for stitch skipping issues with narrow needle throwing widths.

Needle and Looper Clearance

Setting the standard clearance between the needle and the looper.

Adjusting the Needle Guard

How to adjust the needle guard clearance relative to the needle and looper.

Spreader and Looper Clearance & Timing

Adjusting clearance and timing for spreaders relative to the looper and needle.

Throat Plate Height

Procedure for adjusting the height of the throat plate for optimal sewing.

Needle Thread Trimming Knife Installation Position

Setting the correct clearance and operating position for the needle thread trimming knife.

Replacing Consumables

Guidelines for replacing consumable parts like knives, hammers, and gas springs.

Memory Switch

Troubles and Corrective Measures in Sewing

Stitch Skipping

Troubleshooting steps for stitch skipping issues related to needle, looper, and timing.

Stitch Skipping at Sewing Start

Corrective measures for stitch skipping occurring at the beginning of sewing.

Needle Thread Breakage

Causes and solutions for needle thread breakage during sewing operations.

Needle Breakage

Addressing causes and solutions for needle breakage during sewing.

Looper/Spreader Breakage

Addressing causes and solutions for breakage of looper or spreader components.

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