Table of Contents
Advertisement
Quick Links
RETURN TO MAIN MENU
IM575
MASTER LOAD 750
™
May, 2006
For use with equipment code number 10401.
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.
OPERATORS MANUAL
Copyright © 2005 Lincoln Global Inc.
• World's Leader in Welding and Cutting Products •
• 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
Advertisement
Table of Contents
Troubleshooting
Related Manuals for Lincoln Electric MASTER LOAD IM575
Summary of Contents for Lincoln Electric MASTER LOAD IM575
- Page 1 RETURN TO MAIN MENU IM575 MASTER LOAD 750 ™ May, 2006 For use with equipment code number 10401. 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 ...
-
Page 2: California Proposition 65 Warnings
351040, Miami, Florida 33135 or CSA Standard W117.2-1974. A Free copy of “Arc Welding Safety” booklet E205 is available from the Lincoln Electric Company, 22801 St. Clair Avenue, Cleveland, Ohio 44117-1199. BE SURE THAT ALL INSTALLATION, OPERATION, MAINTENANCE AND REPAIR PROCEDURES ARE PERFORMED ONLY BY QUALIFIED INDIVIDUALS. -
Page 3: Electric Shock Can Kill
WELDING EQUIPMENT SAFETY ELECTRIC SHOCK can kill. 3.a. The electrode and work (or ground) circuits are electrically “hot” when the welder is on. Do not touch these “hot” parts with your bare skin or wet clothing. Wear dry, hole-free gloves to insulate hands. 3.b. - Page 4 WELDING EQUIPMENT SAFETY WELDING SPARKS can cause fire or explosion. 6.a. Remove fire hazards from the welding area. If this is not possible, cover them to prevent the welding sparks from starting a fire. Remember that welding sparks and hot materials from welding can easily go through small cracks and openings to adjacent areas.
- Page 5 WELDING EQUIPMENT SAFETY PRÉCAUTIONS DE SÛRETÉ Pour votre propre protection lire et observer toutes les instruc- tions et les précautions de sûreté specifiques qui parraissent dans ce manuel aussi bien que les précautions de sûreté générales suivantes: Sûreté Pour Soudage A L’Arc 1.
- Page 6 The load bank is an industrial test unit designed to be used indoors or outdoors (sheltered from moisture). However, because the nature of the load bank’s func- tion is the dissipation of electrical energy, electrical energy is transformed into heat by the resistor ele- ments.
- Page 7 The code number is especially important when identifying the correct replacement parts. - Register your machine with Lincoln Electric either via fax or over the Internet. • For faxing: Complete the form on the back of the warranty statement included in the literature packet accompanying this machine and fax the form per the instructions printed on it.
-
Page 8: Table Of Contents
TABLE OF CONTENTS DESCRIPTION TECHNICAL SPECIFICATIONS...1 SAFETY PRECAUTIONS ...2 GENERAL DESCRIPTION ...2 CONTROL UNIT ...2 ENCLOSURE...2 INSTALLATION BEFORE INSTALLATION...3 LOCATION...3 AIRFLOW CONSIDERATIONS ...3 POWER REQUIREMENTS ...3 OPERATION PURPOSE AND USE OF CONTROLS ...4 LOAD BANK OPERATION ...4 OPERATING INSTRUCTIONS...4 MAINTENANCE ROUTINE AND PERIOD MAINTENANCE ...5 TROUBLESHOOTING HOW TO USE TROUBLESHOOTING GUIDE ...6... -
Page 9: Description
TECHNICAL SPECIFICATIONS – MASTER LOAD 750 750 Amps @50V AC or DC (in incrementing fixed steps of 25, 25, 50, 50, 100, 250, 250) MAXIMUM COOLING AIR TEMPERATURE Height 34.75 in 883 mm DESCRIPTION INPUT – POWER 120 VOLT, 15 A, 60 Hz , SINGLE PHASE LOAD CAPABILITY PROTECTION FUSES Control Circuit... -
Page 10: Safety Precautions
SAFETY PRECAUTIONS Before installation, read and observe all safe- ty precautions throughout this manual. WARNING ELECTRIC SHOCK can kill. • Turn the input supply power OFF at the disconnect switch or fuse box before working on this equipment. • Do not touch electrically hot parts. -
Page 11: Installation
BEFORE INSTALLATION Inspect the Load Bank for obvious damage such as broken wires, broken or dented panels, cracked ceramic insulators, or any other component breakage that may have occurred in shipment. LOCATION The Master Load 750 is a portable, indoor, outdoor Load Bank, and should be installed in a dry, cool, well-ventilated area. -
Page 12: Operation
PURPOSE AND USE OF CONTROLS 1. POWER ON/OFF switch - Turns on cooling fan and powers remainder of control circuit. Red light shows POWER ON. 2. BLOWER FAIL indicator - The purpose of the BLOWER FAIL lamp is to warn the operator and remove the load to the load bank in case of an air failure or improper cooling of the load elements. -
Page 13: Maintenance
SAFETY PRECAUTIONS Before servicing, read and observe all safety precautions throughout this manual. WARNING ELECTRIC SHOCK can kill. • Only qualified personnel should perform this maintenance. • Turn the input supply power OFF at the disconnect switch or fuse box before working on this equipment. -
Page 14: How To Use Troubleshooting Guide
If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely, contact the Lincoln Electric Service Department for technical troubleshooting assistance before you proceed. Call 216-383-2531 or 1-800-833-9353. -
Page 15: Troubleshooting Guide
Test each fuse individually, out of circuit. If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely, contact the Lincoln Electric Service Department for technical troubleshooting assistance before you proceed. Call 216-383-2531 or 1-800-833-9353. - Page 16 Test each fuse individually, out of circuit. If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely, contact the Lincoln Electric Service Department for technical troubleshooting assistance before you proceed. Call 216-383-2531 or 1-800-833-9353.
- Page 17 Test each fuse individually, out of circuit. If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely, contact the Lincoln Electric Service Department for technical troubleshooting assistance before you proceed. Call 216-383-2531 or 1-800-833-9353.
-
Page 18: Diagrams
DIAGRAMS MASTER LOAD 750... -
Page 19: Dimension Print
DIAGRAMS MASTER LOAD 750... -
Page 20: Parts
PARTS MASTER LOAD 750... - Page 21 # Indicates a change this printing. * Recommended Spare Part ITEM DESCRIPTION Base, Load Bank Side Panel, (Left) Side Panel, (Right) Venturi, Fan Rail (For Relay K8 Mtg.) Pan, Relay Panel, Screened Cover. Load Bank Cover. Res Element 10 Terminal Board {RB} 11 Terminal Board {RA} 12 Resistance Element...
- Page 22 # Indicates a change this printing. * Recommended Spare Part ITEM DESCRIPTION 49 Bushing, Seal 50 Spring 51 Switch, Temp {S11} 52 - - 53 Nut Assembled Washer 54 Threadlocker 55 Stud 56 - - 57 - - 58 Semiconductor, Rectifier {CR1} 59 - - 60 Shunt, 800A.
- Page 23 NOTES...
- Page 24 NOTES...
- Page 25 NOTES...
- Page 26 ● WARNING ● Spanish ● AVISO DE PRECAUCION ● French ● ATTENTION ● ● German WARNUNG ● Portuguese ● ATENÇÃO ● Japanese Chinese Korean Arabic ● ● ● ● ● ● ● ● ● ●...
- Page 27 ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● Spanish ● PRECAUCION French ● ATTENTION ● German WARNUNG Portuguese ● ● Japanese Chinese Korean Arabic WARNING AVISO DE ATENÇÃO...
- Page 28 • World's Leader in Welding and Cutting Products • • 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...