Lincoln Electric IM694 RED-D-ARC D503K 5+3 HO User Manual
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D503K 5+3 HO
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TABLE OF CONTENTS
Page
Installation .......................................................................................................Section A
Technical Specifications ........................................................................................A-1
Safety Precautions ..........................................................................................A-2
Location/Ventilation.........................................................................................A-2
Stacking ..........................................................................................................A-2
Angle of Operation ..........................................................................................A-2
Lifting...............................................................................................................A-2
High Altitude Operation ...................................................................................A-3
Trailer ..............................................................................................................A-3
Engine Oil........................................................................................................A-3
Fuel .................................................................................................................A-3
Cooling System ...............................................................................................A-3
Battery Connection..........................................................................................A-3
Spark Arrester .................................................................................................A-4
Welding Output Cables ...................................................................................A-4
Machine Grounding .........................................................................................A-4
Operation .........................................................................................................Section B
Safety Precautions.................................................................................................B-1
General Description ...............................................................................................B-1
Design Features ....................................................................................................B-1
Engine Operation...................................................................................................B-2
Starting The Kubota Engine ............................................................................B-2
Stopping the engine ........................................................................................B-2
Welder Operation...................................................................................................B-2
Duty Cycle .......................................................................................................B-2
Welder Controls .....................................................................................................B-2
Polarity Switch.................................................................................................B-2
Control of Welding Current..............................................................................B-2
Job Selector ....................................................................................................B-2
Current Controls ..............................................................................................B-3
How to Set the Controls ..................................................................................B-3
Auxiliary Power ...............................................................................................B-3
Maintenance ....................................................................................................Section D
Safety Precautions ................................................................................................D-1
Routine ..................................................................................................................D-1
Engine Air Filter.....................................................................................................D-1
Periodic..................................................................................................................D-1
Bearings ................................................................................................................D-1
Commutator and Brushes .....................................................................................D-2
Cooling System .....................................................................................................D-2
Battery ...................................................................................................................D-2
Hardware ...............................................................................................................D-3
Nameplates ...........................................................................................................D-3
Purging Air from Fuel System................................................................................D-3
Engine Service Chart ............................................................................................D-4
Troubleshooting ..............................................................................................Section E
Troubleshooting Guide ..........................................................................................E-1
Machine Troubleshooting ......................................................................................E-2
Welder Troubleshooting ........................................................................................E-3
Diagrams ..........................................................................................................Section F
Wiring Diagram .....................................................................................................F-1
Parts Lists ................................................................................................................P378