TAbLE of Contents

vi	TAbLE OF CONTENTS		vi
			Page
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	Installation	Section A
	Technical Specifications		A-1
	Safety Precautions		A-2
	Location		A-2
	High Frequency Protection		A-2
	Weld cable Sizes		A-2
	Cable Connections		A-3
	Shielding Gas Connection		A-3
	Wire Drive Configuration		A-4
	Changing The Gun Receiver Bushing		A-4
	Procedure to Install Drive Rolls and Wire Guides		A-4
	Pressure Arm Adjustment		A-5
	Loading Spools of Wire		A-5
	Gun Connections		A-5
	Power Source to LN-25™ Pro Cable Connection Diagrams	A-6 thru A-8
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	Operation	Section b
	Safety Precautions		B-1
	Graphic Symbols that appear on this Machine or in this Manual		B-1
	Definition of Welding Terms		B-2
	General Description		B-2
	Recommended Processes, Equipment Limitations, Recommended Power Sources		..........B-2
	Case Front Controls	B-3 thru B-5
	Internal Controls		B-6
	Internal Controls Decription		B-7
	Constant Current Wire Welding		B-8
	Rear Controls		B-9
	Gas Purge Pushbutton		B-10
	Flow Meter		B-10
	Power-Up Sequence		B-10
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	Accessories	Section C
	Factory Installed Equipment		C-1
	Drive Roll Kits used		C-1
	Accessories Used	C-2 thru C-5
	Installation of Water Cooling Kit		C-6
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	Maintenance	Section D
	Safety Precautions		D-1
	Routine Maintenance		D-1
	Periodic Maintenance		D-1
	Calibration Specification		D-1,D-2
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	Troubleshooting	Section E
	How to Use Troubleshooting Guide		E-1
	Digital Display Models Error Codes		E-2
	Troubleshooting Guide		E-3, E-4
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	Wiring Diagram & Dimension Prints		Section F
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	Parts Pages	P-557 Series
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