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TABLE OF CONTENTS
Page
Installation.......................................................................................................................Section A
Technical Specifications.......................................................................................................A-1
Safety Precautions........................................................................................................A-2
Machine Grounding.......................................................................................................A-2
Spark Arrester...............................................................................................................A-2
Towing...........................................................................................................................A-2
Vehicle Mounting...........................................................................................................A-3
Pre-Operation Engine Service..............................................................................................A-3
Fuel, Oil.........................................................................................................................A-3
Battery Connections......................................................................................................A-3
Welding Output Cables .................................................................................................A-3
Angle of Operation ........................................................................................................A-4
Lifting.............................................................................................................................A-4
High Altitude Operation.................................................................................................A-4
Location and Ventilation................................................................................................A-5
Stacking ........................................................................................................................A-5
Connection of Wire Feeders .........................................................................................A-5
Connection of Tig Module .............................................................................................A-5
Additional Safety Precautions .......................................................................................A-5
Welding Operation, Auxiliary Power Receptacles, and Plugs .............................................A-6
Motor Starting and Extension Cord Length Table ................................................................A-6
Electrical Device Used with the Weldmark 225....................................................................A-7
Auxiliary Power While Welding, Standby Power Connections ............................................A-8
Premises Wiring ...................................................................................................................A-9
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Operation.........................................................................................................................Section B
Safety Precautions ...............................................................................................................B-1
General Description..............................................................................................................B-1
Welder Controls Function and Operation.............................................................................B-1
Polarity, Range and Control Switch......................................................................................B-2
Start in/Shutdown Instructions.....................................................................................................B-3
Starting the Engine........................................................................................................B-3
Safety Precautions........................................................................................................B-3
Stopping the Engine......................................................................................................B-3
Break-In Period .............................................................................................................B-3
Welding Process ..................................................................................................................B-4
Stick (Constant Current) Welding..................................................................................B-4
TIG (Constant Current) Welding ..................................................................................B-4
Wire Feed Welding Processes (Constant Voltage)......................................................B-4
Arc Gouging ..................................................................................................................B-4
Summary of Welding Processes...................................................................................B-5
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Accessories ........................................................................................................Section C
Optional Equipment...............................................................................................C-1
Recommended Equipment....................................................................................C-2
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Maintenance ....................................................................................................Section D
Safety Precautions ................................................................................................D-1
Routine Engine Maintenance, Engine Oil Change, Oil Refill Capacities...............D-1
Oil Filter Change....................................................................................................D-2
Overspeed Is Hazardous, Slip Rings.....................................................................D-3
Battery Maintenance, Hardware .....................................................................D-3
Engine Maintenance Parts..............................................................................D-3
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Troubleshooting..............................................................................................Section E
How to Use Troubleshooting Guide.......................................................................E-1
Troubleshooting Guide...................................................................................E-2, E-3
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Wiring Diagrams & Dimension Print..............................................................Section F
Wiring and Connection Diagrams....................................................................F-1,F-2
Dimension Print.......................................................................................................F3
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Parts List.................................................................................................................P-500
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