Lincoln Electric IM644-A manual Commander / LN-742 Connection Diagram

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COMMANDER / LN-742 CONNECTION DIAGRAM

WARNING

Do not operate with panels open.	Keep guards in place.
Disconnect NEGATIVE (-) BATTERY LEAD	Keep away from moving parts.
before servicing.	Only qualified personnel should install,use
Do not touch electrically live parts.	or service this equipment.

CONNECTION DIAGRAM:

F-13

COMMANDER 500

ELECTRODE

TO WORK

TO LN-742 INPUT

CABLE PLUG

K592 CONTROL CABLE

14PIN AMPHENOL

DIAGRAMS

	TO WORK
	ELECTRODE CABLE
CAUTION :	TO WIRE FEED UNIT

ANY INCREASE OF THE HIGH IDLE ENGINE RPM BY CHANGING THE GOVERNOR SETTING OR OVERRIDING THE THROTTLE LINKAGE WILL CAUSE AN INCREASE IN THE THE AC AUXILIARY VOLTAGE. IF THIS VOLTAGE GOES OVER 140 VOLTS, WIRE FEEDER CONTROL CIRCUITS MAY BE DAMAGED. THE ENGINE GOVERNOR SETTING IS PRE-SET AT THE FACTORY - DO NOT ADJUST ABOVE RPM SPECIFICATIONS LISTED IN

THE ENGINE WELDER OPERATING MANUAL.

N.A. WELDING CABLES MUST BE OF PROPER CAPACITY FOR THE CURRENT AND DUTY CYCLE OF IMMEDIATE AND FUTURE APPLICATIONS. SEE OPERATING MANUAL.

N.B. USE VOLTMETER SWITCH TO SELECT DESIRED ELECTRODE POLARITY. POSITION THE SELECTOR SWITCH TO "WIRE WELDING CV". PLACE LOCAL / REMOTE SWITCH IN "REMOTE" POSITION.

N.C. REQUIRES OPTIONAL K1597-1 42VAC TRANSFORMER KIT.

A

S24609

F-13

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Contents Safety Depends on You CommanderCalifornia Proposition 65 Warnings SafetyElectric Shock can kill Iii Welding Sparks can cause fire or explosionSûreté Pour Soudage a L’Arc Précautions DE SûretéThank You Table of Contents Section D Section CSection E Section FWelding Range Open Circuit Voltage Auxiliary Power1 InstallationHEIGHT2 Width Depth Weight Bore x StrokeLocation / Ventilation Safety PrecautionsStoring StackingLifting High Temperature OperationHigh Altitude Operation TowingEngine Cooling System Battery Connection PRE-OPERATION Engine ServiceOIL Fuel USE Diesel Fuel onlyHigh Frequency Generators for TIG Applications Remote ControlWelding Terminals Standby Power Connections Auxiliary Power ReceptaclesWelding Output Cables Machine GroundingPower Connection of the LN-25 to the Commander Connection of Lincoln Electric Wire FeedersConnection of LN-7 or LN-8 to the Commander Connection of AN LN-23P Wire Feeder to the Commander Design Features and Advantages Safety InstructionsOperation Operating InstructionsOther Features For Auxiliary PowerK1639-1 Commander 500 Standard Model Welding CapabilityRUN- Stop Switch Controls and SettingsStart Pushbutton Fuel Level Gauge and LightOIL Pressure Gauge K1639-2 Std., K1639-1 Opt. and Light Idler SwitchIdler Operational exceptions Hour MeterAuxiliary Power Controls Starting the Engine Engine OperationStopping the Engine BREAK-IN Period Welder OperationTypical Fuel Consumption Stick WeldingCommander 500 Settings When Using the K930-1 TIG Module Commander 500 Settings When Using the K799 HI-FREQ UnitTable B.3 Typical Current Ranges 1 for Tungsten ELECTRODES2 Wire Feed Constant Voltage WELD- ING Auxiliary Power OperationSimultaneous Welding and AUXIL- Iary Power Loads Table B.4 Commander 500 Simultaneous Welding and Power Loads Optional Field Installed Accessories AccessoriesRecommended Optional Equipment Routine and Periodic Maintenance MaintenanceEngine Maintenance Fuel PRE-FILTER/WATER Separator ASSEM- BLY Fuel FiltersWater Separator Element Cooling System Cooling Blower Belt Battery HandlingWelder / Generator Maintenance Nameplates / Warning Decals MaintenanceCleaning Brush Removal and ReplacementHOW to USE Troubleshooting Guide TroubleshootingPossible Areas SymptomsCourse of Action Function Problems Output Problems Commander 500 Wiring Diagram DiagramsConnection Diagram To Work Electrode Cable To Wire Feed Unit Commander / K867 / K775 / LN-7 Connection DiagramRemote Control Connection DiagramTo Wire Feed Unit Electrode CableCommander to K867 Adapter Connection Diagram Connection DiagramCommander / K867 / LN-8 Connection Diagram Remove the Three Screws Shown and USE PIN Amphenol To LN-8 Input Cable Plug K595 Control Cable Commander / LN-8 Connection DiagramTo Work To Work PIN Commander / K930 TIG Module / Connection Diagram To LN-742 Input Cable Plug K592 Control Cable Commander / LN-742 Connection Diagram24.97 Dimension Print$700.00 Basic CoursePrecaucion Aviso DE