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Ozito MWR-135 User Manual

Ozito MWR-135
20 pages
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MIG WELDER
120 Amp
Gas/Gasless
Instruction Manual
3 Year Replacement Warranty
MWR-135
WARNING! Read all safety warnings and all instructions. Failure to follow the
warnings and instructions may result in electric shock, fire and/or serious injury.
Save all warnings and instructions for future reference.
To view the full range visit: www.ozito.com.au
0312
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Ozito MWR-135 Specifications

General IconGeneral
Welding Current Range20-135A
Electrode Diameter1.6-3.2mm
Protection ClassIP21S
Insulation ClassH
Duty Cycle10% @ 135A, 60% @ 55A
Input Voltage230 - 240 V ~ 50 Hz

Summary

Ozito MIG Welder MWR-135 Overview

Product Identification

Details the model name, type, and key specifications of the Ozito MIG Welder.

Critical Safety Warning

Emphasizes reading all instructions to prevent electric shock, fire, and serious injury.

Welder Specifications and Components

Technical Specifications

Lists input voltage, current range, duty cycle, wire size, insulation type, and weight.

Product Component Identification

Diagrams and labels identifying front and back welder parts.

Introduction to the Ozito MIG Welder

Product Purpose and Design

Welder designed for home projects and DIY fabrication.

Electrical Safety Guidelines

Mains Power Precautions

Basic safety for mains-powered equipment, voltage check, and cord care.

Extension Lead Usage

Guidance on using suitable, undamaged extension leads up to 25m.

General Power Tool Safety

Work Area and Personal Safety

Maintaining clean areas, environment, children, dress, footing, and alertness.

Equipment Integrity and Operation

Checking for damage, using correct equipment, and unplugging for service.

Power Tool Safety Continuations

Cord Handling and Tool Maintenance

Proper cord use, storage, tool cleaning, and repair by qualified persons.

User Responsibility and Cord Replacement

Supervision of users and replacement of damaged supply cords.

Welder-Specific Safety

Welding Safety Protocols

Protect eyes/face, wear protective clothing, avoid contaminated surfaces, flammable materials, and galvanized metals.

MIG Welder Safety Enhancements

User Suitability and Protection Devices

Not for persons with reduced capabilities; recommends RCD (30mA).

Arc Hazards and Protective Gear

Mitigating fumes, glare (mask required), heat (gloves), and sparks with proper dress.

Assembly: Polarity Terminal Setup

Gasless Welding Polarity Configuration

Connects torch positive to negative terminal, earth clamp negative to positive.

Shielded Gas Welding Polarity Configuration

Connects torch positive to positive terminal, earth clamp negative to negative.

Terminal Knob Secure Tightening

Importance of securely tightening terminals to prevent overheating.

Assembly: Shielding Gas Connection

Attaching Gas Hose and Regulator

Connecting gas hose to welder, checking for leaks, and adaptor use.

Assembly: Welding Wire Installation

Fitting 0.2kg Wire Coil

Steps to install a 0.2kg welding wire coil onto the drive shaft.

Fitting 5.0kg Wire Coil

Steps to install a 5.0kg welding wire coil using an adaptor.

Assembly: Wire Drive Roller Selection

Choosing the Correct Wire Drive Roller

Critical step to match roller size to wire diameter for proper feeding.

Drive Roller Assembly Components

Identifies the main parts of the wire drive roller mechanism.

Assembly: Setting the Drive Roller

Adjusting and Inspecting Drive Roller

Steps to set the pressure roller and inspect the drive roller size for correct assembly.

Re-fitting Drive Roller Components

Reassembly of the drive roller and bracket, with a warning against over-tightening.

Assembly: Pressure Adjustment and Wire Care

Adjusting Drive Roller Pressure

Fine-tuning pressure for consistent wire feed and troubleshooting slipping.

Welding Wire Preparation

Importance of preventing wire kinks, bends, and preparing the end for feeding.

Assembly: Feeding Wire into Torch

Procedure for Wire Feeding

Step-by-step guide to feed welding wire through the MIG torch assembly.

Operation: Wire Speed and Voltage

Adjusting Welding Wire Speed

Controls wire feed rate and welding current via the speed control knob.

Output Voltage Control

Setting the voltage level using the switch; caution against mid-operation changes.

Operation: Controls and Indicators

Welder Power Switch and LED

How to use the ON/OFF switch and understand the overload protection LED.

Selecting Welding Wire Type

Factors to consider when choosing the appropriate welding wire.

Maintenance and Cleaning

Safety During Maintenance

Warnings about high voltage, need for qualified personnel, and power disconnection.

Cleaning Internal Components

Instructions for cleaning the power source interior with a vacuum cleaner.

Cleaning Drive Rolls and Grooves

Guide to cleaning drive rolls and their grooves using a wire brush.

Spare Parts and Symbols Guide

Ordering Replacement Parts

Information on how to order common spare parts and their part numbers.

Interpreting Technical Symbols

Explanation of symbols used in the manual and on the equipment.

Environmental Care and Package Contents

Product Recycling and Disposal

Advice on environmentally friendly disposal of tools and packaging.

Included Items in Package

A list of all components provided with the welder.

Product Warranty Information

Warranty Claim Process

Steps for making a warranty claim and contacting customer service.

Warranty Terms and Voiding Conditions

Details the 3-year warranty, exclusions, and actions that invalidate it.

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