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Bernina L450 User Manual

Bernina L450
64 pages
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BERNINA L 460 | L 450
Instruction Manual

Table of Contents

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Bernina L450 Specifications

General IconGeneral
TypeOverlocker
SpeedUp to 1200 stitches per minute
Differential FeedYes
Free ArmYes
Color-Coded ThreadingYes
LightingLED
Stitch Length0.8 to 4 mm
Number of Threads3 or 4

Summary

Safety Instructions

Important Information and Precautions

General precautions and important information to follow before using the machine.

Danger Warnings

Critical safety warnings regarding electrical shock, radiation, and immediate hazards.

Warning Notices

Important safety notices concerning burns, fire, electric shock, and injury prevention.

Reading Instructions

Machine Overview

Machine Setup

Connecting Power and Cut-offs Bin

Instructions for connecting the foot control, power cord, and attaching the cut-offs bin for operation.

Operating Instructions

Control Elements Overview

Introduces the main control elements of the machine, including power, looper cover, and sewing table.

Needle and Thread

Adjusting and Setting

Stitch Length and Cutting Width

How to adjust the stitch length and cutting width for various sewing needs.

Micro Thread Control and Presser Foot Pressure

Adjusting the mtc thread control and presser foot pressure for fine-tuning stitch quality.

Differential Feed Adjustment

How to adjust the differential feed for gathering or stretching fabric effects.

Threading and Sewing

Test Sewing Procedure

Guidelines for performing a test sewing to check stitch formation and optimize settings.

Adjusting Thread Tensions

How to adjust thread tensions for balanced stitch formation on the overlocker.

Maintenance

Replacing Upper Knife and Cleaning/Oiling

Procedures for replacing the upper knife and routine cleaning and oiling of the machine.

Troubleshooting Guide

Common problems, their causes, solutions, and corresponding page references for troubleshooting.

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