Lincoln Electric DX450 Welder User Manual


 
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TABLE OF CONTENTS
Page
Installation.......................................................................................................................Section A
Technical Specifications.......................................................................................................A-1
Safety Precautions........................................................................................................A-2
VRD (Voltage Reduction Device)..................................................................................A-2
Location and Ventilation................................................................................................A-2
Stacking ........................................................................................................................A-2
Angle of Operation ........................................................................................................A-2
Lifting.............................................................................................................................A-2
High Altitude Operation.................................................................................................A-3
High Temperature Operation ........................................................................................A-3
Cold Weather Operation ......................................................................................................A-3
Towing..................................................................................................................................A-3
Vehicle Mounting..................................................................................................................A-3
Pre-Operation Engine Service..............................................................................................A-3
Oil..................................................................................................................................A-3
Fuel ...............................................................................................................................A-4
Engine Coolant..............................................................................................................A-4
Battery Connections......................................................................................................A-4
Muffler Outlet Pipe ........................................................................................................A-4
Spark Arrester ...............................................................................................................A-4
Remote Control .............................................................................................................A-4
Electrical Connections..........................................................................................................A-5
Machine Grounding..............................................................................................................A-5
Welding Terminals................................................................................................................A-5
Welding Output Cables ........................................................................................................A-5
Cable Installation..................................................................................................................A-5
Auxiliary Power Receptacles and Plugs...............................................................................A-6
Standby Power Connections................................................................................................A-6
Premises Wiring ...................................................................................................................A-7
Connection of Lincoln Electric Wire Feeders................................................................A-8, A-9
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Operation.........................................................................................................................Section B
Safety Precautions ..............................................................................................................B-1
General Description..............................................................................................................B-1
For Auxiliary Power ..............................................................................................................B-1
Engine Operation..................................................................................................................B-1
Add Fuel...............................................................................................................................B-1
Break in Period.....................................................................................................................B-1
Welder Controls .............................................................................................................B-2,B-3
Engine Controls....................................................................................................................B-4
Starting and Stopping the Engine...........................................................................B-4,B-5
Welding Operation................................................................................................................B-5
Duty Cycle and Electrode Information...........................................................................B-5
Constant Current (Stick) Welding.........................................................................................B-5
Downhill Pipe (Stick) Welding................................................................................B-5, B-6
Tig Welding ...................................................................................................................B-6
Typical Current Ranges for Tungsten Electrodes .........................................................B-6
Wire Welding-CV...........................................................................................................B-7
Arc Gouging ..................................................................................................................B-7
Auxiliary Power.....................................................................................................................B-7
Simultaneous Welding and Power Loads .....................................................................B-7
Extension Cord Recommendations...............................................................................B-7
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Accessories.....................................................................................................Section C
Field Installed Options / Accessories ...............................................................................C-1
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