EasyManua.ls Logo

Lincoln Electric SAM400 - User Manual

Lincoln Electric SAM400
40 pages
Save Page as PDF
Print Icon
To Next Page IconTo Next Page
To Next Page IconTo Next Page
Loading...
SAM400 & 650 PERKINS DIESEL ENGINE DRIVEN
MULTI-PROCESS DC ARC WELDING POWER SOURCES
OPERATOR’S MANUAL
Sales and Service through Subsidiaries and Distributors Worldwide
22801 St. Clair Ave. Cleveland, Ohio 44117-1199 U.S.A. Tel. (216) 481-8100
World's Leader in Welding and Cutting Products Premier Manufacturer of Industrial Motors
IM568
April, 1997
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.

Table of Contents

Questions and Answers

  • K
    kayladavisJul 30, 2025
    Why Lincoln Electric SAM400 has loss of output in both modes of operation?
    • R
      richard02Jul 30, 2025
      If your Lincoln Electric Welding System experiences a loss of output in both constant and variable voltage modes, test the alternator rotor voltage from lead #222 to #1. If rotor voltage is present, proceed to step 9. If there's no rotor voltage: lightly sand slip rings and reseat brushes. Then, flash rotor fields by turning the machine off, using a 12 to 24 volt battery, and applying voltage for 15 seconds with the negative lead to #1 and the positive lead to #222 at the alternator terminal strip.
  • D
    Derek LopezAug 8, 2025
    What to do if Lincoln Electric SAM400 output is low in both modes?
    • J
      jeffreyweeksAug 8, 2025
      If the Lincoln Electric Welding System has low output in both constant voltage (CV) and variable voltage (VV) positions, begin by testing the rotor voltage. If it's less than 80-90 volts DC, check diodes D1, D2, D5, and D6, inspect the SCR Bridge, and verify the resistance of the rotor fields (normal value is about 14 ohms).
  • M
    Mark NixonNov 17, 2025
    Why Lincoln Electric SAM400 Welding System has loss of output in one mode only?
    • P
      prothNov 17, 2025
      If your Lincoln Electric Welding System loses output in only one mode (either constant or variable voltage), check the following: * Test for a shorted diode on the Three Phase Bridge by checking diodes D7, D8, D9, D10, and D11. * Test for failure of Control Board #2. To do this: a) Turn the machine off. b) Put the toggle switch in the affected mode. c) Remove Control Board #2. d) Turn the voltage control and portable field control to minimum. e) Start the machine. f) If the generator builds up, install a new Control Board #2. If it doesn't, proceed to the next step. * Test for a defective toggle switch, rheostat, or open circuit. To do this: a) Turn the machine off. b) Remove Control Board #1. c) Put the toggle switch in the affected mode. d) Turn the voltage control to maximum. e)...

Summary

Safety Information

General Safety Warnings

Covers California Proposition 65, arc welding hazards, EMF, and engine safety precautions.

Electric Shock and Arc Hazards

Details risks associated with electric shock, arc rays, and fumes/gases during welding operations.

Fire, Explosion, and Cylinder Safety

Addresses hazards related to welding sparks, fire prevention, explosions, and safe handling of gas cylinders.

Installation and Setup

Technical Specifications

Details technical specifications for SAM400 and SAM650 models, including engine, welder, and physical dimensions.

Pre-Operation Service

Covers pre-operation checks, fluid levels, battery connection, cable installation, and welder placement.

Operators Guide to Operation

Engine and Welder Controls

Explains engine controls like ignition and speed, and welder controls for various operations and settings.

Welding Process Controls

Details procedures for setting current and voltage for Constant Voltage and Variable Voltage welding processes.

Starting and Break-in Procedures

Instructions for starting the engine, including with dead batteries, cold weather, and the initial break-in period.

Maintenance and Troubleshooting

Maintenance Procedures

Outlines daily checks, air filter maintenance, periodic cleaning, bearing lubrication, and component checks.

Troubleshooting Guide

Provides a guide on diagnosing and resolving machine malfunctions, covering common problems and test procedures.

Diagrams and Specifications

Machine Wiring Diagrams

Illustrates the electrical connections for the SAM400 and SAM650 machines, including engine and main circuits.

Dimension Print

Provides detailed physical dimensions and mounting hole information for the SAM400 and SAM650 welders.

Limited Warranty Information

Warranty Terms and Conditions

Details the terms, conditions, coverage periods, and limitations of the manufacturer's limited warranty.

Lincoln Electric SAM400 Specifications

General IconGeneral
BrandLincoln Electric
ModelSAM400
CategoryWelding System
LanguageEnglish

Related product manuals