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liquidarc Handymig 170i User Manual

liquidarc Handymig 170i
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Handymig 170i
OPERATOR’S MANUAL
IM796
April, 2006
Safety Depends on You
LiquidArc machines are designed
and built with safety in mind.
However, your overall safety can
be increased by proper installation
... and thoughtful operation on
your part. DO NOT INSTALL,
OPERATE OR REPAIR THIS
EQUIPMENT WITHOUT READ-
ING THIS MANUAL AND THE
SAFETY PRECAUTIONS CON-
TAINED THROUGHOUT. And,
most importantly, think before you
act and be careful.
For use with machine Code Numbers
10984
A Division of Lincoln Electric Company (Aust) Ply Ltd A.B.N. 36 000 040 308
Copyright © 2000 Lincoln Global Inc.
35 Bryant Street, Padstow, NSW2211, Australia
Made exclusive for Australia
This manual covers equipment which is no
longer in production by The Lincoln Electric Co.
Specications and availability of optional
features may have changed.
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liquidarc Handymig 170i Specifications

General IconGeneral
Brandliquidarc
ModelHandymig 170i
CategoryWelding System
LanguageEnglish

Summary

Product Overview and Initial Safety

Safety Depends on You

Emphasizes user responsibility for safe operation and adherence to manual.

General Safety Precautions

Engine Powered Equipment Safety

Outlines critical safety measures for operating equipment with engines.

Electrical and Magnetic Field Safety

EMF Hazards and Minimization

Details risks from EMF and provides methods to reduce exposure.

Pacemaker Safety Precautions

Provides specific safety advice for individuals with pacemakers.

Hazardous Conditions and Protective Measures

Electric Shock Prevention

Covers measures to prevent electric shock, including proper insulation and grounding.

Arc Ray Protection

Advises on protecting eyes and skin from arc rays using appropriate gear.

Fumes and Gases Hazards

Warns about health risks from welding fumes and gases, requiring ventilation.

Specific Welding Hazards and Safety

Welding Sparks and Fire Hazards

Discusses risks from sparks and spatter, and preventative measures against fire.

Compressed Gas Cylinder Safety

Details safety procedures for handling and storing compressed gas cylinders.

Electrically Powered Equipment Safety

Covers safety requirements for connecting and operating electrically powered equipment.

Electromagnetic Compatibility (EMC) Guidelines

EMC Conformance and Product Overview

Explains EMC standards compliance and lists product features.

Installation and Use Considerations for EMC

Advises on proper installation and use to manage electromagnetic disturbances.

Area Assessment for EMC Mitigation

Guides on evaluating the surrounding area for potential EMC interference.

Methods for Reducing EMC Emissions

Outlines techniques to minimize electromagnetic emissions from welding equipment.

Post-Purchase Information and Registration

Equipment Identification and Registration

Instructs on recording machine details and registering the product.

Manual Usage and Safety Indicators

Explains how to use the manual and defines safety alert symbols.

Technical Specifications

Input and Output Ratings

Lists electrical input/output parameters, duty cycle, and open circuit voltage.

Recommended Input Cable and Fuse Sizes

Provides guidelines for selecting appropriate input power cables and fuses.

Physical Dimensions

Details the machine's physical size and weight.

Installation Safety and Component Identification

Installation Safety Precautions

Highlights critical safety steps for installation, including electrical hazards.

Identify and Locate Components

Lists and identifies the main components included with the welding machine.

Installation Procedures and Location

Selecting a Suitable Location

Advises on choosing an appropriate environment for welder placement.

Stacking and Tilting Restrictions

Specifies limitations on stacking machines and proper placement.

Output Connections Overview

Describes the various output terminals and connection points on the machine.

Work Clamp Installation

Details the correct procedure for attaching the work clamp to the workpiece.

Connecting Welding Cables and Gas Supply

Work Cable Installation Details

Explains how to install the work cable and set polarity for different processes.

Connecting Gun Cable to Machine

Guides on connecting the welding gun and control leads to the machine.

Gun Installation and Wire Size

Covers initial gun setup and adjustments for different wire sizes.

Gas Connection Setup

Details connecting the gas regulator, hose, and cylinder for shielding gas.

Gas Cylinder and Input Power Connections

Cylinder Safety Warnings

Warns about cylinder damage, electrical hazards, and gas buildup.

Input Connections Procedure

Describes connecting the gas solenoid inlet fitting to the machine.

Electrical Input and Line Cord Connection

Electrical Input Connection Warning

Emphasizes electrical safety before connecting input power.

Line Cord Connection Requirements

Specifies requirements for connecting the power cord to a grounded receptacle.

Operation Overview and Features

Operational Safety Precautions

Summarizes key safety warnings for operating the welding equipment.

General Machine Description

Provides a summary of the Handymig 170i's capabilities and design.

Recommended Welding Processes

Identifies suitable welding processes like GMAW and FCAW.

Operational Features and Controls

Lists and describes the standard controls available on the machine.

Design Features and Advantages

Highlights key design aspects and benefits of the equipment.

Welding Capabilities and Controls

Welding Capability Specifications

Details the machine's rated output and performance characteristics.

Operational Limitations

Lists welding processes or applications the machine is not recommended for.

Controls and Settings Explained

Explains the function of each control on the machine panel.

Welding Operations: Wire Loading

Sequence of Operation Steps

Outlines the general steps to follow for operating the welding machine.

Wire Loading Procedure

Provides detailed instructions on how to load wire spools onto the machine.

Friction Brake Adjustments

Explains how to adjust the spool brake for optimal wire feeding.

Wire Threading Procedure

Wire Threading Steps

Details the process of feeding the welding wire through the gun and cable assembly.

Welding Procedures and Guidelines

Making a Weld Steps

Guides the user through the steps to perform a weld, from setup to completion.

Contact Tip and Nozzle Cleaning

Explains the importance of cleaning and maintaining the contact tip and nozzle.

Process Guidelines for Steel Welding

Provides recommended settings and consumables for welding mild steel.

Process-Specific Welding Instructions

Welding with GMAW (MIG)

Covers setup and operation for Gas Metal Arc Welding using shielding gas.

Welding with FCAW (Innershield)

Details the conversion and operation for Flux-Cored Arc Welding without shielding gas.

Suggested Welding Settings and Parts

Application Chart for Steel Welding

A chart providing recommended settings for various steel welding applications.

Drive Roll and Polarity Configuration

Illustrates drive roll alignment and output polarity for different wire types.

Consumable Parts Guide

Lists common consumable parts like contact tips and nozzles with part numbers.

Routine Maintenance Procedures

Maintenance Safety Precautions

Emphasizes safety procedures before performing any maintenance.

Power Source Compartment Cleaning

Advises on cleaning dust and dirt from the welder's air passages.

Wire Feed Compartment Maintenance

Covers cleaning the wire feed mechanism and inspecting the guide tube.

Fan Motor and Wire Reel Spindle

Notes that the fan motor and wire reel spindle require no maintenance.

Gun Cable Cleaning

Details the procedure for cleaning the welding gun cable liner.

Contact Tips, Nozzles, and Gun Tubes

Provides guidance on cleaning and replacing gun components.

Component Replacement Procedures

Changing the Contact Tip

Step-by-step guide for replacing the contact tip and gas nozzle.

Changing the Drive Roll

Instructions on reversing or replacing the drive roll for different wire sizes.

Gun Component Replacement

Changing the Liner

Explains the process of replacing the gun liner, noting cable length variations.

Gun Handle Parts Access

Describes how to open the welding gun handle to access internal parts.

Ground Test Procedure

Grounding Test Steps

Outlines a procedure for testing the machine's ground integrity using a mega tester.

Troubleshooting Guide Introduction

Using the Troubleshooting Guide

Explains the three-step process for diagnosing and resolving machine malfunctions.

Troubleshooting Output Problems

Major Damage or Electrical Issues

Addresses significant physical or electrical damage, directing to service.

No Output, Fan Not Operating

Guides on checking power, switch, and circuit breaker when there's no output and fan is off.

No Output, Fan Operating Normally

Troubleshoots lack of output with normal fan operation, checking thermostat, airflow, and trigger.

Troubleshooting Feeding and Gas Flow

No Wire Feed Issues

Diagnoses problems with wire feed, checking drive rolls, liner, and tip.

Low or No Gas Flow Issues

Addresses issues with gas flow, checking supply, regulator, hoses, and connections.

Troubleshooting Welding Performance

Unstable Arc or Poor Starting

Provides steps to diagnose and fix unstable welding arcs or poor starting.

Wiring Diagrams

Handymig 170i Wiring Diagram

Presents the schematic diagram of the machine's electrical connections and components.

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