Lincoln Electric PLASMA 20 User Manual

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OPERATOR’S MANUAL
Copyright © Lincoln Global Inc.
PLASMA 20
IM10006
January, 2009
Safety Depends on You
Lincoln arc welding and cutting
equipment is designed and built
with safety in mind. However, your
overall safety can be increased by
proper installation ... and thought-
ful operation on your part. DO
NOT INSTALL, OPERATE OR
REPAIR THIS EQUIPMENT
WITHOUT READING THIS
MANUAL AND THE SAFETY
PRECAUTIONS CONTAINED
THROUGHOUT. And, most
importantly, think before you act
and be careful.
For use with machines having Code Number:
11578

Lincoln Electric PLASMA 20 Specifications

General

Output Current Range	10-20A
Input Frequency	60 Hz
Input Current at Rated Output	20A
Rated Output	20A
Duty Cycle	20A
Max Cutting Thickness	3/16 in
Air Pressure Requirement	70 PSI

Summary

Safety Depends on You

Safety Precautions

Electric Shock Hazards

Details risks and prevention measures for electric shock during operation.

Fumes and Gases Hazards

Highlights dangers of fumes and gases and necessary ventilation.

Arc Ray Hazards

Explains risks from arc rays and necessary eye/body protection.

Cutting Sparks and Fire Hazards

Warns about fire and explosion risks from sparks and hot materials.

Cylinder Safety Precautions

Electrical Safety for Equipment

Plasma Arc Injury Prevention

Electric and Magnetic Field Hazards

Customer Assistance Policy

Equipment Inspection Upon Receipt

Online Product Registration

Technical Specifications

Installation Safety Precautions

Selecting Proper Installation Location

Stacking Guidelines

Information on whether the unit can be stacked or not.

Tilting Precautions

Ensures the unit is placed on a stable, level surface to prevent toppling.

High Frequency Interference Protection

Methods to minimize high frequency interference from other equipment.

Input Electrical Connections

Compressed Air or Gas Input

Ground Cable Connection

Torch Connection

Operation Safety Precautions

Product Description

Cutting Capability

Torch Consumables

Controls and Settings Overview

Cutting Operations Guide

Preparation Before Cutting

Checking Air Quality

Procedure to check compressed air for oil and moisture.

Cutting with a Hand Torch

Pilot Arc Discussion

Torch Consumable Parts Selection

Operating Faults and Troubleshooting

Routine Maintenance

Periodic Maintenance

Compressed Air Filter Maintenance

How to Use the Troubleshooting Guide

Wiring Diagrams

Manufacturer Instructions and Safety Practices