Lincoln Electric Comprehensive Guide for Effective Use and Safety with Lincoln SAM 650

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IM568

SAM400 & 650 PERKINS DIESEL ENGINE DRIVEN

April, 1997

MULTI-PROCESS DC ARC WELDING POWER SOURCES

For use with SAM400 machines having Code Numbers: 10140 & 10141

For use with SAM650 machines having Code Number: 10333

Supersedes IM247-D

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 thoughtful opera- tion 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.

OPERATOR’S MANUAL

World's Leader in Welding and Cutting Products

Premier Manufacturer of Industrial Motors

Sales and Service through Subsidiaries and Distributors Worldwide

22801 St. Clair Ave. Cleveland, Ohio 44117-1199 U.S.A. Tel. (216) 481-8100

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Contents

IM568 SAM400 SafetyElectric Shock can kill Welding Sparks can cause fire or explosion Sûreté Pour Soudage a L’Arc Précautions DE SûretéThank You Table of Contents Technical Specifications SAM400 InstallationHEIGHT1 Width Depth Weight Height Width Depth Weight Technical Specifications SAM650Product Description Installation PrecautionsSpark Arrester Machine GroundingOutput Cables PRE-OPERATION ServiceWelder Location Additional Safety Precautions Operating PrecautionsOperation Pipe ThawingOutput Studs Welder Controls FUNCTION/OPERATIONPortable Field Control Connection Mounting on LN-7Electrode Polarity Switch Toggle SwitchContactor Current and Voltage ControlsTo Set The Controls -- Stick Welding Variable Voltage WeldingTo Set The Controls -- Submerged Arc SAM400 Controls Operation SAM650 Controls Operation Duty Cycle Auxiliary PowerStarting Instructions BREAK-IN PeriodAccessories Routine Maintenance MaintenancePeriodic Maintenance Bearing MaintenanceContactor Maintenance Commutator and Brush MaintenanceCooling System APR97HOW to USE Troubleshooting Guide TroubleshootingFunction Problems Symptoms Course of ActionLoss of Output in Both Modes of Operation Control Boards. Note a Pg. E-2 Recommended SCR Bridge PC Board Test Procedure Diode Test ProcedureControl PC Board Calibration Ground Tests LOW Voltage Option SAM400 Machine Wiring DiagramSAM650 Machine Wiring Diagram Wiring DiagramsMaintenance Instructions Daily Checks SAM400 Engine Wiring DiagramTerminal SAM650 Engine Wiring DiagramDimension Print Dimension Print SAM400 and SAM650 Perkins Engine Welders$700.00 Basic CoursePrecaucion Aviso DE Warranty Period Statement of Warranty To Obtain Warranty CoverageWarranty Repair Warranty Costs