Lincoln Electric CV-655 User Manual

CV-655
OPERATOR’S MANUAL
IM570
May, 2005
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 machine Code Number 10120 thru 10129.
• Sales and Service through Subsidiaries and Distributors Worldwide •
Cleveland, Ohio 44117-1199 U.S.A. TEL: 216.481.8100 FAX: 216.486.1751 WEB SITE: www.lincolnelectric.com
• World's Leader in Welding and Cutting Products •
Copyright © 2005 Lincoln Global Inc.
IP23

Lincoln Electric CV-655 Specifications

General

Phase	3
Open Circuit Voltage	80V
Input Voltage	208/230/460 V
Input Current at Rated Output	85 A at 208 V, 78 A at 230 V, 39 A at 460 V
Processes	MIG, Flux-Cored
Input Current	85 A at 208 V, 78 A at 230 V, 39 A at 460 V
Duty Cycle	60%

Summary

Safety Precautions

ELECTRIC AND MAGNETIC FIELDS

ELECTRIC SHOCK HAZARDS

Critical safety warnings and precautions related to electric shock hazards.

ARC RAYS AND FUMES

Safety measures to protect against arc rays and hazards from fumes.

FIRE AND EXPLOSION RISKS

Precautions to prevent fires and explosions caused by welding sparks.

COMPRESSED GAS CYLINDER SAFETY

Safety guidelines for handling compressed gas cylinders.

ELECTRICAL EQUIPMENT SAFETY

Installation Guide

TECHNICAL SPECIFICATIONS

INPUT WIRE AND FUSE SIZES

INSTALLATION SAFETY PRECAUTIONS

Crucial safety precautions to be followed before installation.

ELECTRICAL INPUT CONNECTIONS

Procedures and checks for making electrical input connections.

INPUT SUPPLY AND GROUNDING

Instructions for connecting the input supply and grounding the machine.

RECONNECT PROCEDURE

OUTPUT CONNECTIONS

Instructions for connecting electrode and work cables to output terminals.

AUXILIARY POWER AND CONTROL CONNECTIONS

Operation Procedures

OPERATIONAL SAFETY PRECAUTIONS

Safety precautions to be followed before operating the machine.

DESIGN FEATURES AND ADVANTAGES

CONTROL PANEL FUNCTIONS

Explanation of all operator controls and adjustments on the CV-655.

THERMAL FAN AND OVERLOAD PROTECTION

Explanation of thermal fan control and overload protection mechanisms.

Maintenance

MAINTENANCE SAFETY PRECAUTIONS

Essential safety precautions before performing maintenance.

GENERAL MAINTENANCE TASKS

Troubleshooting

HOW TO USE THE TROUBLESHOOTING GUIDE

INPUT CONTACTOR ISSUES

NO OUTPUT WHEN WELDING

Troubleshooting steps for no output despite the input contactor operating.

OUTPUT CONTROL PROBLEMS

ARC STRIKING AND WELDING ARC ISSUES

MACHINE OPERATION AND SHUTDOWN PROBLEMS

WIRE FEEDER AND STARTING PROBLEMS

METER AND RECEPTACLE ISSUES

PC BOARD DIAGNOSTICS

Guide for troubleshooting various printed circuit boards.