Lincoln Electric IM931 RANGER 250 LPG User Manual
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TABLE OF CONTENTS
Page
Installation.......................................................................................................................Section A
Technical Specifications .......................................................................................................A-1
Machine Specifications ........................................................................................................A-2
Safety Precautions. ..............................................................................................................A-3
Location and Ventilation ................................................................................................A-3
Stacking ........................................................................................................................A-3
Angle of Operation ........................................................................................................A-3
Lifting.............................................................................................................................A-3
Additional Safety Precautions .......................................................................................A-3
High Altitude Operation .................................................................................................A-3
High Temperature Operation ........................................................................................A-3
Towing...........................................................................................................................A-3
Vehicle Mounting...........................................................................................................A-4
Pre-Operation Engine Service..............................................................................................A-4
Fuel ...............................................................................................................................A-4
Oil ..................................................................................................................................A-5
Engine Coolant..............................................................................................................A-5
Battery Connections ......................................................................................................A-5
Muffler Outlet Pipe ........................................................................................................A-5
Spark Arrester ...............................................................................................................A-5
High Frequency Generators for TIG Applications .........................................................A-5
Remote Control .............................................................................................................A-5
Electrical Connections ..........................................................................................................A-6
Machine Grounding .......................................................................................................A-6
Welding Terminals ........................................................................................................A-6
Welding Output Cables .................................................................................................A-6
Cable Installation...........................................................................................................A-6
Auxiliary Power Receptacles and Plugs ...............................................................................A-7
Standby Power Connections ................................................................................................A-7
Premises Wiring ...................................................................................................................A-8
Connection of Lincoln Electric Wire Feeders .......................................................A-9 thru A-10
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Operation.........................................................................................................................Section B
Safety Precautions ..............................................................................................................B-1
General Description..............................................................................................................B-1
Design Features ...................................................................................................................B-1
Engine Operation ..........................................................................................................B-1
Welding Controls ..................................................................................................................B-2
Engine Controls ....................................................................................................................B-3
Starting and Stopping the Engine .................................................................................B-3
Stopping .......................................................................................................................B-4
Welding Operation................................................................................................................B-4
Duty Cycle .....................................................................................................................B-4
DC Stick Welding ..........................................................................................................B-4
Constant Current (Stick) Welding..................................................................................B-4
Pipe Welding .................................................................................................................B-4
Fuel Consumption .........................................................................................................B-4
TIG Welding ..................................................................................................................B-5
Wire Welding-CV...........................................................................................................B-5
Typical Current Ranges for Tungsten Electrodes .........................................................B-5
Arc Gouging ..................................................................................................................B-6
Auxiliary Power .............................................................................................................B-6
Simultaneous Welding and Auxiliary Power Loads .......................................................B-6
Extension Cord Recommendations...............................................................................B-6
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Accessories .....................................................................................................Section C
Recommended Optional Equipment.....................................................................C-1
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